LCOV - code coverage report
Current view: top level - apps - gdal_translate_lib.cpp (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 1476 1671 88.3 %
Date: 2026-03-13 03:16:58 Functions: 28 30 93.3 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL Utilities
       4             :  * Purpose:  GDAL Image Translator Program
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 1998, 2002, Frank Warmerdam
       9             :  * Copyright (c) 2007-2015, Even Rouault <even dot rouault at spatialys.com>
      10             :  * Copyright (c) 2015, Faza Mahamood
      11             :  *
      12             :  * SPDX-License-Identifier: MIT
      13             :  ****************************************************************************/
      14             : 
      15             : #include "cpl_port.h"
      16             : #include "gdal_utils.h"
      17             : #include "gdal_utils_priv.h"
      18             : #include "gdalargumentparser.h"
      19             : 
      20             : #include <cmath>
      21             : #include <cstdlib>
      22             : #include <cstring>
      23             : 
      24             : #include <algorithm>
      25             : #include <array>
      26             : #include <limits>
      27             : #include <set>
      28             : 
      29             : #include "commonutils.h"
      30             : #include "cpl_conv.h"
      31             : #include "cpl_error.h"
      32             : #include "cpl_json.h"
      33             : #include "cpl_progress.h"
      34             : #include "cpl_string.h"
      35             : #include "cpl_vsi.h"
      36             : #include "gdal.h"
      37             : #include "gdal_priv.h"
      38             : #include "gdal_priv_templates.hpp"
      39             : #include "gdal_rat.h"
      40             : #include "gdal_vrt.h"
      41             : #include "ogr_core.h"
      42             : #include "ogr_spatialref.h"
      43             : #include "vrtdataset.h"
      44             : 
      45             : static void AttachMetadata(GDALDatasetH, const CPLStringList &);
      46             : static void AttachDomainMetadata(GDALDatasetH, const CPLStringList &);
      47             : 
      48             : static void CopyBandInfo(GDALRasterBand *poSrcBand, GDALRasterBand *poDstBand,
      49             :                          int bCanCopyStatsMetadata, int bCopyScale,
      50             :                          int bCopyNoData, bool bCopyRAT,
      51             :                          const GDALTranslateOptions *psOptions);
      52             : 
      53             : typedef enum
      54             : {
      55             :     MASK_DISABLED,
      56             :     MASK_AUTO,
      57             :     MASK_USER
      58             : } MaskMode;
      59             : 
      60             : /************************************************************************/
      61             : /*                       GDALTranslateScaleParams                       */
      62             : /************************************************************************/
      63             : 
      64             : /** scaling parameters for use in GDALTranslateOptions.
      65             :  */
      66             : struct GDALTranslateScaleParams
      67             : {
      68             :     /*! scaling is done only if it is set to TRUE. This is helpful when there is
      69             :        a need to scale only certain bands. */
      70             :     bool bScale = false;
      71             : 
      72             :     /*! the range of input pixel values which need to be scaled.
      73             :         If not set, the input range is automatically computed from the source data. */
      74             :     double dfScaleSrcMin = std::numeric_limits<double>::quiet_NaN();
      75             :     double dfScaleSrcMax = std::numeric_limits<double>::quiet_NaN();
      76             : 
      77             :     /*! the range of output pixel values. */
      78             :     double dfScaleDstMin = std::numeric_limits<double>::quiet_NaN();
      79             :     double dfScaleDstMax = std::numeric_limits<double>::quiet_NaN();
      80             : };
      81             : 
      82             : /************************************************************************/
      83             : /*                         GDALTranslateOptions                         */
      84             : /************************************************************************/
      85             : 
      86             : /** Options for use with GDALTranslate(). GDALTranslateOptions* must be
      87             :  * allocated and freed with GDALTranslateOptionsNew() and
      88             :  * GDALTranslateOptionsFree() respectively.
      89             :  */
      90             : struct GDALTranslateOptions
      91             : {
      92             :     /*! Raw program arguments */
      93             :     CPLStringList aosArgs{};
      94             : 
      95             :     /*! output format. Use the short format name. */
      96             :     std::string osFormat{};
      97             : 
      98             :     /*! allow or suppress progress monitor and other non-error output */
      99             :     bool bQuiet = false;
     100             : 
     101             :     /*! the progress function to use */
     102             :     GDALProgressFunc pfnProgress = GDALDummyProgress;
     103             : 
     104             :     /*! pointer to the progress data variable */
     105             :     void *pProgressData = nullptr;
     106             : 
     107             :     /*! for the output bands to be of the indicated data type */
     108             :     GDALDataType eOutputType = GDT_Unknown;
     109             : 
     110             :     /*! Used only by parser logic */
     111             :     bool bParsedMaskArgument = false;
     112             : 
     113             :     MaskMode eMaskMode = MASK_AUTO;
     114             : 
     115             :     /*! number of input bands to write to the output file, or to reorder bands
     116             :      */
     117             :     int nBandCount = 0;
     118             : 
     119             :     /*! list of input bands to write to the output file, or to reorder bands.
     120             :        The value 1 corresponds to the 1st band. */
     121             :     std::vector<int> anBandList{}; /* negative value of panBandList[i] means
     122             :                                       mask band of ABS(panBandList[i]) */
     123             : 
     124             :     /*! size of the output file. GDALTranslateOptions::nOXSizePixel is in pixels
     125             :        and GDALTranslateOptions::nOYSizePixel is in lines. If one of the two
     126             :        values is set to 0, its value will be determined from the other one,
     127             :        while maintaining the aspect ratio of the source dataset */
     128             :     int nOXSizePixel = 0;
     129             :     int nOYSizePixel = 0;
     130             : 
     131             :     /*! size of the output file. GDALTranslateOptions::dfOXSizePct and
     132             :        GDALTranslateOptions::dfOYSizePct are fraction of the input image size.
     133             :        The value 100 means 100%. If one of the two values is set to 0, its value
     134             :        will be determined from the other one, while maintaining the aspect ratio
     135             :        of the source dataset */
     136             :     double dfOXSizePct = 0;
     137             :     double dfOYSizePct = 0;
     138             : 
     139             :     /*! list of creation options to the output format driver */
     140             :     CPLStringList aosCreateOptions{};
     141             : 
     142             :     /*! subwindow from the source image for copying based on pixel/line location
     143             :      */
     144             :     struct PixelLineWindow
     145             :     {
     146             :         double dfXOff{0};
     147             :         double dfYOff{0};
     148             :         double dfXSize{0};
     149             :         double dfYSize{0};
     150             :     };
     151             : 
     152             :     PixelLineWindow srcWin{};
     153             : 
     154             :     /*! don't be forgiving of mismatches and lost data when translating to the
     155             :      * output format */
     156             :     bool bStrict = false;
     157             : 
     158             :     /*! apply the scale/offset metadata for the bands to convert scaled values
     159             :      * to unscaled values. It is also often necessary to reset the output
     160             :      * datatype with GDALTranslateOptions::eOutputType */
     161             :     bool bUnscale = false;
     162             : 
     163             :     bool bSetScale = false;
     164             : 
     165             :     double dfScale = 1;
     166             : 
     167             :     bool bSetOffset = false;
     168             : 
     169             :     double dfOffset = 0;
     170             : 
     171             :     /*! the list of scale parameters for each band. */
     172             :     std::vector<GDALTranslateScaleParams> asScaleParams{};
     173             : 
     174             :     /*! It is set to TRUE, when scale parameters are specific to each band */
     175             :     bool bHasUsedExplicitScaleBand = false;
     176             : 
     177             :     bool bNoClip = false;
     178             : 
     179             :     bool bNoWarnAboutOutsideWindow = false;
     180             : 
     181             :     /*! to apply non-linear scaling with a power function. It is the list of
     182             :        exponents of the power function (must be positive). This option must be
     183             :        used with GDALTranslateOptions::asScaleParams. If
     184             :         GDALTranslateOptions::adfExponent.size() is 1, it is applied to all
     185             :        bands of the output image. */
     186             :     std::vector<double> adfExponent{};
     187             : 
     188             :     bool bHasUsedExplicitExponentBand = false;
     189             : 
     190             :     /*! list of metadata key and value to set on the output dataset if possible. */
     191             :     CPLStringList aosMetadataOptions{};
     192             : 
     193             :     /*! list of metadata key and value in a domain to set on the output dataset if possible. */
     194             :     CPLStringList aosDomainMetadataOptions{};
     195             : 
     196             :     /*! override the projection for the output file. The SRS may be any of the
     197             :        usual GDAL/OGR forms, complete WKT, PROJ.4, EPSG:n or a file containing
     198             :        the WKT. */
     199             :     std::string osOutputSRS{};
     200             : 
     201             :     /*! Coordinate epoch of output SRS */
     202             :     double dfOutputCoordinateEpoch = 0;
     203             : 
     204             :     /*! does not copy source GCP into destination dataset (when TRUE) */
     205             :     bool bNoGCP = false;
     206             : 
     207             :     /*! list of GCPs to be added to the output dataset */
     208             :     std::vector<gdal::GCP> asGCPs{};
     209             : 
     210             :     /*! assign/override the georeferenced bounds of the output file. This
     211             :        assigns georeferenced bounds to the output file, ignoring what would have
     212             :        been derived from the source file. So this does not cause reprojection to
     213             :        the specified SRS. */
     214             :     std::array<double, 4> adfULLR{{0, 0, 0, 0}};
     215             : 
     216             :     /*! assign/override the geotransform of the output file. This
     217             :        assigns a geotransform to the output file, ignoring what would have
     218             :        been derived from the source file. So this does not cause reprojection to
     219             :        the specified SRS. */
     220             :     GDALGeoTransform gt{0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
     221             : 
     222             :     /*! set a nodata value specified in GDALTranslateOptions::osNoData to the
     223             :      * output bands */
     224             :     bool bSetNoData = 0;
     225             : 
     226             :     /*! avoid setting a nodata value to the output file if one exists for the
     227             :      * source file */
     228             :     bool bUnsetNoData = 0;
     229             : 
     230             :     /*! Assign a specified nodata value to output bands (
     231             :        GDALTranslateOptions::bSetNoData option should be set). Note that if the
     232             :        input dataset has a nodata value, this does not cause pixel values that
     233             :        are equal to that nodata value to be changed to the value specified. */
     234             :     std::string osNoData{};
     235             : 
     236             :     /*! to expose a dataset with 1 band with a color table as a dataset with
     237             :         3 (RGB) or 4 (RGBA) bands. Useful for output drivers such as JPEG,
     238             :         JPEG2000, MrSID, ECW that don't support color indexed datasets.
     239             :         The 1 value enables to expand a dataset with a color table that only
     240             :         contains gray levels to a gray indexed dataset. */
     241             :     int nRGBExpand = 0;
     242             : 
     243             :     int nMaskBand = 0; /* negative value means mask band of ABS(nMaskBand) */
     244             : 
     245             :     /*! force recomputation of statistics */
     246             :     bool bStats = false;
     247             : 
     248             :     bool bApproxStats = false;
     249             : 
     250             :     /*! If this option is set, GDALTranslateOptions::adfSrcWin or
     251             :        (GDALTranslateOptions::dfULX, GDALTranslateOptions::dfULY,
     252             :        GDALTranslateOptions::dfLRX, GDALTranslateOptions::dfLRY) values that
     253             :        falls partially outside the source raster extent will be considered as an
     254             :        error. The default behavior is to accept such requests. */
     255             :     bool bErrorOnPartiallyOutside = false;
     256             : 
     257             :     /*! Same as bErrorOnPartiallyOutside, except that the criterion for
     258             :         erroring out is when the request falls completely outside the
     259             :         source raster extent. */
     260             :     bool bErrorOnCompletelyOutside = false;
     261             : 
     262             :     /*! does not copy source RAT into destination dataset (when TRUE) */
     263             :     bool bNoRAT = false;
     264             : 
     265             :     /*! resampling algorithm
     266             :         nearest (default), bilinear, cubic, cubicspline, lanczos, average, mode
     267             :      */
     268             :     std::string osResampling{};
     269             : 
     270             :     /*! target resolution. The values must be expressed in georeferenced units.
     271             :         Both must be positive values. This is exclusive with
     272             :        GDALTranslateOptions::nOXSizePixel (or
     273             :        GDALTranslateOptions::dfOXSizePct), GDALTranslateOptions::nOYSizePixel
     274             :         (or GDALTranslateOptions::dfOYSizePct), GDALTranslateOptions::adfULLR,
     275             :         and GDALTranslateOptions::gt.
     276             :      */
     277             :     double dfXRes = 0;
     278             :     double dfYRes = 0;
     279             : 
     280             :     /*! subwindow from the source image for copying (like
     281             :        GDALTranslateOptions::adfSrcWin) but with the corners given in
     282             :        georeferenced coordinates (by default expressed in the SRS of the
     283             :        dataset. Can be changed with osProjSRS) */
     284             :     double dfULX = 0;
     285             :     double dfULY = 0;
     286             :     double dfLRX = 0;
     287             :     double dfLRY = 0;
     288             : 
     289             :     /*! SRS in which to interpret the coordinates given with
     290             :        GDALTranslateOptions::dfULX, GDALTranslateOptions::dfULY,
     291             :        GDALTranslateOptions::dfLRX, GDALTranslateOptions::dfLRY. The SRS may be
     292             :        any of the usual GDAL/OGR forms, complete WKT, PROJ.4, EPSG:n or a file
     293             :        containing the WKT. Note that this does not cause reprojection of the
     294             :         dataset to the specified SRS. */
     295             :     std::string osProjSRS{};
     296             : 
     297             :     int nLimitOutSize = 0;
     298             : 
     299             :     // Array of color interpretations per band. Should be a GDALColorInterp
     300             :     // value, or -1 if no override.
     301             :     std::vector<int> anColorInterp{};
     302             : 
     303             :     /*! does not copy source XMP into destination dataset (when TRUE) */
     304             :     bool bNoXMP = false;
     305             : 
     306             :     /*! overview level of source file to be used */
     307             :     int nOvLevel = OVR_LEVEL_AUTO;
     308             : 
     309             :     /*! set to true to prevent overwriting existing dataset */
     310             :     bool bNoOverwrite = false;
     311             : 
     312        3270 :     GDALTranslateOptions() = default;
     313        3243 :     GDALTranslateOptions(const GDALTranslateOptions &) = default;
     314             :     GDALTranslateOptions &operator=(const GDALTranslateOptions &) = delete;
     315             : };
     316             : 
     317             : /************************************************************************/
     318             : /*                              SrcToDst()                              */
     319             : /************************************************************************/
     320             : 
     321         154 : static void SrcToDst(double dfX, double dfY, double dfSrcXOff, double dfSrcYOff,
     322             :                      double dfSrcXSize, double dfSrcYSize, double dfDstXOff,
     323             :                      double dfDstYOff, double dfDstXSize, double dfDstYSize,
     324             :                      double &dfXOut, double &dfYOut)
     325             : 
     326             : {
     327         154 :     dfXOut = ((dfX - dfSrcXOff) / dfSrcXSize) * dfDstXSize + dfDstXOff;
     328         154 :     dfYOut = ((dfY - dfSrcYOff) / dfSrcYSize) * dfDstYSize + dfDstYOff;
     329         154 : }
     330             : 
     331             : /************************************************************************/
     332             : /*                          GetSrcDstWindow()                           */
     333             : /************************************************************************/
     334             : 
     335        2030 : static bool FixSrcDstWindow(GDALTranslateOptions::PixelLineWindow &srcWin,
     336             :                             GDALTranslateOptions::PixelLineWindow &dstWin,
     337             :                             int nSrcRasterXSize, int nSrcRasterYSize)
     338             : 
     339             : {
     340        2030 :     const double dfSrcXOff = srcWin.dfXOff;
     341        2030 :     const double dfSrcYOff = srcWin.dfYOff;
     342        2030 :     const double dfSrcXSize = srcWin.dfXSize;
     343        2030 :     const double dfSrcYSize = srcWin.dfYSize;
     344             : 
     345        2030 :     const double dfDstXOff = dstWin.dfXOff;
     346        2030 :     const double dfDstYOff = dstWin.dfYOff;
     347        2030 :     const double dfDstXSize = dstWin.dfXSize;
     348        2030 :     const double dfDstYSize = dstWin.dfYSize;
     349             : 
     350        2030 :     bool bModifiedX = false;
     351        2030 :     bool bModifiedY = false;
     352             : 
     353        2030 :     double dfModifiedSrcXOff = dfSrcXOff;
     354        2030 :     double dfModifiedSrcYOff = dfSrcYOff;
     355             : 
     356        2030 :     double dfModifiedSrcXSize = dfSrcXSize;
     357        2030 :     double dfModifiedSrcYSize = dfSrcYSize;
     358             : 
     359             :     /* -------------------------------------------------------------------- */
     360             :     /*      Clamp within the bounds of the available source data.           */
     361             :     /* -------------------------------------------------------------------- */
     362        2030 :     if (dfModifiedSrcXOff < 0)
     363             :     {
     364          58 :         dfModifiedSrcXSize += dfModifiedSrcXOff;
     365          58 :         dfModifiedSrcXOff = 0;
     366             : 
     367          58 :         bModifiedX = true;
     368             :     }
     369             : 
     370        2030 :     if (dfModifiedSrcYOff < 0)
     371             :     {
     372           8 :         dfModifiedSrcYSize += dfModifiedSrcYOff;
     373           8 :         dfModifiedSrcYOff = 0;
     374           8 :         bModifiedY = true;
     375             :     }
     376             : 
     377        2030 :     if (dfModifiedSrcXOff + dfModifiedSrcXSize > nSrcRasterXSize)
     378             :     {
     379          24 :         dfModifiedSrcXSize = nSrcRasterXSize - dfModifiedSrcXOff;
     380          24 :         bModifiedX = true;
     381             :     }
     382             : 
     383        2030 :     if (dfModifiedSrcYOff + dfModifiedSrcYSize > nSrcRasterYSize)
     384             :     {
     385          72 :         dfModifiedSrcYSize = nSrcRasterYSize - dfModifiedSrcYOff;
     386          72 :         bModifiedY = true;
     387             :     }
     388             : 
     389             :     /* -------------------------------------------------------------------- */
     390             :     /*      Don't do anything if the requesting region is completely off    */
     391             :     /*      the source image.                                               */
     392             :     /* -------------------------------------------------------------------- */
     393        2030 :     if (dfModifiedSrcXOff >= nSrcRasterXSize ||
     394        2028 :         dfModifiedSrcYOff >= nSrcRasterYSize || dfModifiedSrcXSize <= 0 ||
     395             :         dfModifiedSrcYSize <= 0)
     396             :     {
     397           4 :         return false;
     398             :     }
     399             : 
     400        2026 :     srcWin.dfXOff = dfModifiedSrcXOff;
     401        2026 :     srcWin.dfYOff = dfModifiedSrcYOff;
     402        2026 :     srcWin.dfXSize = dfModifiedSrcXSize;
     403        2026 :     srcWin.dfYSize = dfModifiedSrcYSize;
     404             : 
     405             :     /* -------------------------------------------------------------------- */
     406             :     /*      If we haven't had to modify the source rectangle, then the      */
     407             :     /*      destination rectangle must be the whole region.                 */
     408             :     /* -------------------------------------------------------------------- */
     409        2026 :     if (!bModifiedX && !bModifiedY)
     410        1949 :         return true;
     411             : 
     412             :     /* -------------------------------------------------------------------- */
     413             :     /*      Now transform this possibly reduced request back into the       */
     414             :     /*      destination buffer coordinates in case the output region is     */
     415             :     /*      less than the whole buffer.                                     */
     416             :     /* -------------------------------------------------------------------- */
     417             :     double dfDstULX, dfDstULY, dfDstLRX, dfDstLRY;
     418             : 
     419          77 :     SrcToDst(dfModifiedSrcXOff, dfModifiedSrcYOff, dfSrcXOff, dfSrcYOff,
     420             :              dfSrcXSize, dfSrcYSize, dfDstXOff, dfDstYOff, dfDstXSize,
     421             :              dfDstYSize, dfDstULX, dfDstULY);
     422          77 :     SrcToDst(dfModifiedSrcXOff + dfModifiedSrcXSize,
     423             :              dfModifiedSrcYOff + dfModifiedSrcYSize, dfSrcXOff, dfSrcYOff,
     424             :              dfSrcXSize, dfSrcYSize, dfDstXOff, dfDstYOff, dfDstXSize,
     425             :              dfDstYSize, dfDstLRX, dfDstLRY);
     426             : 
     427          77 :     double dfModifiedDstXOff = dfDstXOff;
     428          77 :     double dfModifiedDstYOff = dfDstYOff;
     429          77 :     double dfModifiedDstXSize = dfDstXSize;
     430          77 :     double dfModifiedDstYSize = dfDstYSize;
     431             : 
     432          77 :     if (bModifiedX)
     433             :     {
     434          75 :         dfModifiedDstXOff = dfDstULX - dfDstXOff;
     435          75 :         dfModifiedDstXSize = (dfDstLRX - dfDstXOff) - dfModifiedDstXOff;
     436             : 
     437          75 :         dfModifiedDstXOff = std::max(0.0, dfModifiedDstXOff);
     438          75 :         if (dfModifiedDstXOff + dfModifiedDstXSize > dfDstXSize)
     439           0 :             dfModifiedDstXSize = dfDstXSize - dfModifiedDstXOff;
     440             :     }
     441             : 
     442          77 :     if (bModifiedY)
     443             :     {
     444          73 :         dfModifiedDstYOff = dfDstULY - dfDstYOff;
     445          73 :         dfModifiedDstYSize = (dfDstLRY - dfDstYOff) - dfModifiedDstYOff;
     446             : 
     447          73 :         dfModifiedDstYOff = std::max(0.0, dfModifiedDstYOff);
     448          73 :         if (dfModifiedDstYOff + dfModifiedDstYSize > dfDstYSize)
     449           0 :             dfModifiedDstYSize = dfDstYSize - dfModifiedDstYOff;
     450             :     }
     451             : 
     452          77 :     if (dfModifiedDstXSize <= 0.0 || dfModifiedDstYSize <= 0.0)
     453             :     {
     454           0 :         return false;
     455             :     }
     456             : 
     457          77 :     dstWin.dfXOff = dfModifiedDstXOff;
     458          77 :     dstWin.dfYOff = dfModifiedDstYOff;
     459          77 :     dstWin.dfXSize = dfModifiedDstXSize;
     460          77 :     dstWin.dfYSize = dfModifiedDstYSize;
     461             : 
     462          77 :     return true;
     463             : }
     464             : 
     465             : /************************************************************************/
     466             : /*                         GDALTranslateFlush()                         */
     467             : /************************************************************************/
     468             : 
     469        2727 : static GDALDatasetH GDALTranslateFlush(GDALDatasetH hOutDS)
     470             : {
     471        2727 :     if (hOutDS != nullptr)
     472             :     {
     473        2545 :         CPLErr eErrBefore = CPLGetLastErrorType();
     474        2545 :         GDALFlushCache(hOutDS);
     475        2545 :         if (eErrBefore == CE_None && CPLGetLastErrorType() != CE_None)
     476             :         {
     477           1 :             GDALClose(hOutDS);
     478           1 :             hOutDS = nullptr;
     479             :         }
     480             :     }
     481        2727 :     return hOutDS;
     482             : }
     483             : 
     484             : /************************************************************************/
     485             : /*                   EditISIS3MetadataForBandChange()                   */
     486             : /************************************************************************/
     487             : 
     488           1 : static CPLJSONObject Clone(const CPLJSONObject &obj)
     489             : {
     490           2 :     auto serialized = obj.Format(CPLJSONObject::PrettyFormat::Plain);
     491           2 :     CPLJSONDocument oJSONDocument;
     492           1 :     const GByte *pabyData = reinterpret_cast<const GByte *>(serialized.c_str());
     493           1 :     oJSONDocument.LoadMemory(pabyData);
     494           2 :     return oJSONDocument.GetRoot();
     495             : }
     496             : 
     497           4 : static void ReworkArray(CPLJSONObject &container, const CPLJSONObject &obj,
     498             :                         int nSrcBandCount,
     499             :                         const GDALTranslateOptions *psOptions)
     500             : {
     501           8 :     auto oArray = obj.ToArray();
     502           4 :     if (oArray.Size() == nSrcBandCount)
     503             :     {
     504           8 :         CPLJSONArray oNewArray;
     505           8 :         for (int nBand : psOptions->anBandList)
     506             :         {
     507           4 :             const int iSrcIdx = nBand - 1;
     508           4 :             oNewArray.Add(oArray[iSrcIdx]);
     509             :         }
     510           8 :         const auto childName(obj.GetName());
     511           4 :         container.Delete(childName);
     512           4 :         container.Add(childName, oNewArray);
     513             :     }
     514           4 : }
     515             : 
     516             : static std::string
     517           1 : EditISIS3MetadataForBandChange(const char *pszJSON, int nSrcBandCount,
     518             :                                const GDALTranslateOptions *psOptions)
     519             : {
     520           2 :     CPLJSONDocument oJSONDocument;
     521           1 :     if (!oJSONDocument.LoadMemory(pszJSON))
     522             :     {
     523           0 :         return std::string();
     524             :     }
     525             : 
     526           2 :     auto oRoot = oJSONDocument.GetRoot();
     527           1 :     if (!oRoot.IsValid())
     528             :     {
     529           0 :         return std::string();
     530             :     }
     531             : 
     532           3 :     auto oBandBin = oRoot.GetObj("IsisCube/BandBin");
     533           1 :     if (oBandBin.IsValid() && oBandBin.GetType() == CPLJSONObject::Type::Object)
     534             :     {
     535             :         // Backup original BandBin object
     536           1 :         oRoot.GetObj("IsisCube").Add("OriginalBandBin", Clone(oBandBin));
     537             : 
     538             :         // Iterate over BandBin members and reorder/resize its arrays that
     539             :         // have the same number of elements than the number of bands of the
     540             :         // source dataset.
     541           7 :         for (auto &child : oBandBin.GetChildren())
     542             :         {
     543           6 :             if (child.GetType() == CPLJSONObject::Type::Array)
     544             :             {
     545           3 :                 ReworkArray(oBandBin, child, nSrcBandCount, psOptions);
     546             :             }
     547           3 :             else if (child.GetType() == CPLJSONObject::Type::Object)
     548             :             {
     549           3 :                 auto oValue = child.GetObj("value");
     550           3 :                 auto oUnit = child.GetObj("unit");
     551           1 :                 if (oValue.GetType() == CPLJSONObject::Type::Array)
     552             :                 {
     553           1 :                     ReworkArray(child, oValue, nSrcBandCount, psOptions);
     554             :                 }
     555             :             }
     556             :         }
     557             :     }
     558             : 
     559           1 :     return oRoot.Format(CPLJSONObject::PrettyFormat::Pretty);
     560             : }
     561             : 
     562             : /************************************************************************/
     563             : /*                    EditISIS3ForMetadataChanges()                     */
     564             : /************************************************************************/
     565             : 
     566             : static std::string
     567           2 : EditISIS3ForMetadataChanges(const char *pszJSON, bool bKeepExtent,
     568             :                             bool bKeepResolution,
     569             :                             const GDALTranslateOptions *psOptions)
     570             : {
     571           4 :     CPLJSONDocument oJSONDocument;
     572           2 :     if (!oJSONDocument.LoadMemory(pszJSON))
     573             :     {
     574           0 :         return std::string();
     575             :     }
     576             : 
     577           4 :     auto oRoot = oJSONDocument.GetRoot();
     578           2 :     if (!oRoot.IsValid())
     579             :     {
     580           0 :         return std::string();
     581             :     }
     582             : 
     583           6 :     auto oGDALHistory = oRoot.GetObj("GDALHistory");
     584           2 :     if (!oGDALHistory.IsValid())
     585             :     {
     586           2 :         oGDALHistory = CPLJSONObject();
     587           2 :         oRoot.Add("GDALHistory", oGDALHistory);
     588             :     }
     589           2 :     oGDALHistory["_type"] = "object";
     590             : 
     591           2 :     char szFullFilename[2048] = {0};
     592           2 :     if (!CPLGetExecPath(szFullFilename, sizeof(szFullFilename) - 1))
     593           0 :         strcpy(szFullFilename, "unknown_program");
     594           4 :     const CPLString osProgram(CPLGetBasenameSafe(szFullFilename));
     595           4 :     const CPLString osPath(CPLGetPathSafe(szFullFilename));
     596             : 
     597           2 :     oGDALHistory["GdalVersion"] = GDALVersionInfo("RELEASE_NAME");
     598           2 :     oGDALHistory["Program"] = osProgram;
     599           2 :     if (osPath != ".")
     600           2 :         oGDALHistory["ProgramPath"] = osPath;
     601             : 
     602           4 :     std::vector<std::string> aosOps;
     603           2 :     if (!bKeepExtent)
     604             :     {
     605           2 :         aosOps.push_back("a clipping operation");
     606             :     }
     607           2 :     if (!bKeepResolution)
     608             :     {
     609           1 :         aosOps.push_back("a resolution change operation");
     610             :     }
     611           2 :     if (psOptions->bUnscale)
     612             :     {
     613           0 :         aosOps.push_back("an unscaling operation");
     614             :     }
     615           2 :     else if (!psOptions->asScaleParams.empty())
     616             :     {
     617           1 :         aosOps.push_back("a scaling operation");
     618             :     }
     619             : 
     620           4 :     std::string osArgs;
     621          22 :     for (const char *pszArg : psOptions->aosArgs)
     622             :     {
     623          20 :         if (!osArgs.empty())
     624          18 :             osArgs += ' ';
     625          20 :         osArgs += pszArg;
     626             :     }
     627           2 :     oGDALHistory["ProgramArguments"] = osArgs;
     628             : 
     629           4 :     std::string osComment = "Part of that metadata might be invalid due to ";
     630           6 :     for (size_t i = 0; i < aosOps.size(); ++i)
     631             :     {
     632           4 :         if (i > 0 && i + 1 == aosOps.size())
     633           1 :             osComment += " and ";
     634           3 :         else if (i > 0)
     635           1 :             osComment += ", ";
     636           4 :         osComment += aosOps[i];
     637             :     }
     638           2 :     osComment += " having been performed by GDAL tools";
     639           2 :     oGDALHistory.Add("Comment", osComment);
     640             : 
     641           2 :     return oRoot.Format(CPLJSONObject::PrettyFormat::Pretty);
     642             : }
     643             : 
     644             : /************************************************************************/
     645             : /*                           GDALTranslate()                            */
     646             : /************************************************************************/
     647             : 
     648             : /* clang-format off */
     649             : /**
     650             :  * Converts raster data between different formats.
     651             :  *
     652             :  * This is the equivalent of the
     653             :  * <a href="/programs/gdal_translate.html">gdal_translate</a> utility.
     654             :  *
     655             :  * GDALTranslateOptions* must be allocated and freed with
     656             :  * GDALTranslateOptionsNew() and GDALTranslateOptionsFree() respectively.
     657             :  *
     658             :  * @param pszDest the destination dataset path.
     659             :  * @param hSrcDataset the source dataset handle.
     660             :  * @param psOptionsIn the options struct returned by GDALTranslateOptionsNew()
     661             :  * or NULL.
     662             :  * @param pbUsageError pointer to a integer output variable to store if any
     663             :  * usage error has occurred or NULL.
     664             :  * @return the output dataset (new dataset that must be closed using
     665             :  * GDALClose()) or NULL in case of error. If the output
     666             :  * format is a VRT dataset, then the returned VRT dataset has a reference to
     667             :  * hSrcDataset. Hence hSrcDataset should be closed after the returned dataset
     668             :  * if using GDALClose().
     669             :  * A safer alternative is to use GDALReleaseDataset() instead of using
     670             :  * GDALClose(), in which case you can close datasets in any order.
     671             :  *
     672             :  * @since GDAL 2.1
     673             :  */
     674             : /* clang-format on */
     675             : 
     676        3254 : GDALDatasetH GDALTranslate(const char *pszDest, GDALDatasetH hSrcDataset,
     677             :                            const GDALTranslateOptions *psOptionsIn,
     678             :                            int *pbUsageError)
     679             : 
     680             : {
     681        3254 :     CPLErrorReset();
     682        3254 :     if (hSrcDataset == nullptr)
     683             :     {
     684           0 :         CPLError(CE_Failure, CPLE_AppDefined, "No source dataset specified.");
     685             : 
     686           0 :         if (pbUsageError)
     687           0 :             *pbUsageError = TRUE;
     688           0 :         return nullptr;
     689             :     }
     690        3254 :     if (pszDest == nullptr)
     691             :     {
     692           0 :         CPLError(CE_Failure, CPLE_AppDefined, "No target dataset specified.");
     693             : 
     694           0 :         if (pbUsageError)
     695           0 :             *pbUsageError = TRUE;
     696           0 :         return nullptr;
     697             :     }
     698             : 
     699             :     auto psOptions = psOptionsIn
     700             :                          ? std::make_unique<GDALTranslateOptions>(*psOptionsIn)
     701             :                          : std::unique_ptr<GDALTranslateOptions>(
     702        6508 :                                GDALTranslateOptionsNew(nullptr, nullptr));
     703             : 
     704        3254 :     GDALDatasetH hOutDS = nullptr;
     705        3254 :     bool bGotBounds = false;
     706        3254 :     bool bGotGeoTransform = false;
     707             : 
     708        3254 :     if (pbUsageError)
     709        2391 :         *pbUsageError = FALSE;
     710             : 
     711        6493 :     if (psOptions->adfULLR[0] != 0.0 || psOptions->adfULLR[1] != 0.0 ||
     712        6493 :         psOptions->adfULLR[2] != 0.0 || psOptions->adfULLR[3] != 0.0)
     713          19 :         bGotBounds = true;
     714             : 
     715        3254 :     if (psOptions->gt != GDALGeoTransform(0, 0, 0, 0, 0, 0))
     716           3 :         bGotGeoTransform = true;
     717             : 
     718        3254 :     GDALDataset *poSrcDS = GDALDataset::FromHandle(hSrcDataset);
     719        3254 :     const char *pszSource = poSrcDS->GetDescription();
     720             : 
     721        3254 :     if (strcmp(pszSource, pszDest) == 0 && pszSource[0] != '\0' &&
     722           0 :         poSrcDS->GetDriver() != GDALGetDriverByName("MEM"))
     723             :     {
     724           0 :         CPLError(CE_Failure, CPLE_AppDefined,
     725             :                  "Source and destination datasets must be different.");
     726             : 
     727           0 :         if (pbUsageError)
     728           0 :             *pbUsageError = TRUE;
     729           0 :         return nullptr;
     730             :     }
     731             : 
     732        6508 :     CPLString osProjSRS;
     733             : 
     734        3254 :     if (!psOptions->osProjSRS.empty())
     735             :     {
     736           8 :         OGRSpatialReference oSRS;
     737           8 :         oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
     738             : 
     739           8 :         if (oSRS.SetFromUserInput(psOptions->osProjSRS.c_str()) != OGRERR_NONE)
     740             :         {
     741           0 :             CPLError(CE_Failure, CPLE_AppDefined,
     742             :                      "Failed to process SRS definition: %s",
     743           0 :                      psOptions->osProjSRS.c_str());
     744           0 :             return nullptr;
     745             :         }
     746             : 
     747           8 :         char *pszSRS = nullptr;
     748           8 :         oSRS.exportToWkt(&pszSRS);
     749           8 :         if (pszSRS)
     750           8 :             osProjSRS = pszSRS;
     751           8 :         CPLFree(pszSRS);
     752             :     }
     753             : 
     754        3367 :     if (!psOptions->osOutputSRS.empty() && psOptions->osOutputSRS != "null" &&
     755         113 :         psOptions->osOutputSRS != "none")
     756             :     {
     757         112 :         OGRSpatialReference oOutputSRS;
     758         112 :         if (oOutputSRS.SetFromUserInput(psOptions->osOutputSRS.c_str()) !=
     759             :             OGRERR_NONE)
     760             :         {
     761           0 :             CPLError(CE_Failure, CPLE_AppDefined,
     762             :                      "Failed to process SRS definition: %s",
     763           0 :                      psOptions->osOutputSRS.c_str());
     764           0 :             return nullptr;
     765             :         }
     766             :     }
     767             : 
     768             :     /* -------------------------------------------------------------------- */
     769             :     /*      Check that incompatible options are not used                    */
     770             :     /* -------------------------------------------------------------------- */
     771             : 
     772        6293 :     if ((psOptions->nOXSizePixel != 0 || psOptions->dfOXSizePct != 0.0 ||
     773        6510 :          psOptions->nOYSizePixel != 0 || psOptions->dfOYSizePct != 0.0) &&
     774         247 :         (psOptions->dfXRes != 0 && psOptions->dfYRes != 0))
     775             :     {
     776           0 :         CPLError(CE_Failure, CPLE_IllegalArg,
     777             :                  "-outsize and -tr options cannot be used at the same time.");
     778           0 :         if (pbUsageError)
     779           0 :             *pbUsageError = TRUE;
     780           0 :         return nullptr;
     781             :     }
     782        3276 :     if ((bGotBounds | bGotGeoTransform) &&
     783          22 :         (psOptions->dfXRes != 0 && psOptions->dfYRes != 0))
     784             :     {
     785           0 :         CPLError(
     786             :             CE_Failure, CPLE_IllegalArg,
     787             :             "-a_ullr or -a_gt options cannot be used at the same time as -tr.");
     788           0 :         if (pbUsageError)
     789           0 :             *pbUsageError = TRUE;
     790           0 :         return nullptr;
     791             :     }
     792        3254 :     if (bGotBounds && bGotGeoTransform)
     793             :     {
     794           0 :         CPLError(CE_Failure, CPLE_IllegalArg,
     795             :                  "-a_ullr and -a_gt options cannot be used at the same time.");
     796           0 :         if (pbUsageError)
     797           0 :             *pbUsageError = TRUE;
     798           0 :         return nullptr;
     799             :     }
     800             : 
     801             :     /* -------------------------------------------------------------------- */
     802             :     /*      Collect some information from the source file.                  */
     803             :     /* -------------------------------------------------------------------- */
     804        3254 :     if (psOptions->srcWin.dfXSize == 0 && psOptions->srcWin.dfYSize == 0)
     805             :     {
     806        2326 :         psOptions->srcWin.dfXSize = poSrcDS->GetRasterXSize();
     807        2326 :         psOptions->srcWin.dfYSize = poSrcDS->GetRasterYSize();
     808             :     }
     809             : 
     810             :     /* -------------------------------------------------------------------- */
     811             :     /*      Build band list to translate                                    */
     812             :     /* -------------------------------------------------------------------- */
     813        3254 :     bool bAllBandsInOrder = true;
     814             : 
     815        3254 :     if (psOptions->anBandList.empty())
     816             :     {
     817             : 
     818        2985 :         psOptions->nBandCount = poSrcDS->GetRasterCount();
     819        2985 :         if ((psOptions->nBandCount == 0) && (psOptions->bStrict))
     820             :         {
     821             :             // if not strict then the driver can fail if it doesn't support zero
     822             :             // bands
     823           0 :             CPLError(CE_Failure, CPLE_AppDefined,
     824             :                      "Input file has no bands, and so cannot be translated.");
     825           0 :             return nullptr;
     826             :         }
     827             : 
     828        2985 :         psOptions->anBandList.resize(psOptions->nBandCount);
     829       74530 :         for (int i = 0; i < psOptions->nBandCount; i++)
     830       71545 :             psOptions->anBandList[i] = i + 1;
     831             :     }
     832             :     else
     833             :     {
     834         923 :         for (int i = 0; i < psOptions->nBandCount; i++)
     835             :         {
     836         654 :             if (std::abs(psOptions->anBandList[i]) > poSrcDS->GetRasterCount())
     837             :             {
     838           0 :                 CPLError(CE_Failure, CPLE_AppDefined,
     839             :                          "Band %d requested, but only bands 1 to %d available.",
     840           0 :                          std::abs(psOptions->anBandList[i]),
     841             :                          poSrcDS->GetRasterCount());
     842           0 :                 return nullptr;
     843             :             }
     844             : 
     845         654 :             if (psOptions->anBandList[i] != i + 1)
     846         128 :                 bAllBandsInOrder = FALSE;
     847             :         }
     848             : 
     849         269 :         if (psOptions->nBandCount != poSrcDS->GetRasterCount())
     850         212 :             bAllBandsInOrder = FALSE;
     851             :     }
     852             : 
     853        3254 :     if (static_cast<int>(psOptions->asScaleParams.size()) >
     854        3254 :         psOptions->nBandCount)
     855             :     {
     856           0 :         if (!psOptions->bHasUsedExplicitScaleBand)
     857           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
     858             :                      "-scale has been specified more times than the number of "
     859             :                      "output bands");
     860             :         else
     861           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
     862             :                      "-scale_XX has been specified with XX greater than the "
     863             :                      "number of output bands");
     864           0 :         if (pbUsageError)
     865           0 :             *pbUsageError = TRUE;
     866           0 :         return nullptr;
     867             :     }
     868             : 
     869        3254 :     if (static_cast<int>(psOptions->adfExponent.size()) > psOptions->nBandCount)
     870             :     {
     871           0 :         if (!psOptions->bHasUsedExplicitExponentBand)
     872           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
     873             :                      "-exponent has been specified more times than the number "
     874             :                      "of output bands");
     875             :         else
     876           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
     877             :                      "-exponent_XX has been specified with XX greater than the "
     878             :                      "number of output bands");
     879           0 :         if (pbUsageError)
     880           0 :             *pbUsageError = TRUE;
     881           0 :         return nullptr;
     882             :     }
     883             : 
     884        3261 :     if (!psOptions->bQuiet && (psOptions->bSetScale || psOptions->bSetOffset) &&
     885           7 :         psOptions->bUnscale)
     886             :     {
     887             :         // Cf https://github.com/OSGeo/gdal/issues/7863
     888           1 :         CPLError(CE_Warning, CPLE_AppDefined,
     889             :                  "-a_scale/-a_offset are not applied by -unscale, but are set "
     890             :                  "after it, and -unscale uses the original source band "
     891             :                  "scale/offset values. "
     892             :                  "You may want to use -scale 0 1 %.16g %.16g instead. "
     893             :                  "This warning will not appear if -q is specified.",
     894           1 :                  psOptions->dfOffset, psOptions->dfOffset + psOptions->dfScale);
     895             :     }
     896             : 
     897             :     /* -------------------------------------------------------------------- */
     898             :     /*      Compute the source window from the projected source window      */
     899             :     /*      if the projected coordinates were provided.  Note that the      */
     900             :     /*      projected coordinates are in ulx, uly, lrx, lry format,         */
     901             :     /*      while the adfSrcWin is xoff, yoff, xsize, ysize with the        */
     902             :     /*      xoff,yoff being the ulx, uly in pixel/line.                     */
     903             :     /* -------------------------------------------------------------------- */
     904        3254 :     const char *pszProjection = nullptr;
     905             : 
     906        6171 :     if (psOptions->dfULX != 0.0 || psOptions->dfULY != 0.0 ||
     907        6171 :         psOptions->dfLRX != 0.0 || psOptions->dfLRY != 0.0)
     908             :     {
     909         346 :         GDALGeoTransform gt;
     910         346 :         poSrcDS->GetGeoTransform(gt);
     911             : 
     912         346 :         if (gt.xscale == 0.0 || gt.yscale == 0.0)
     913             :         {
     914           0 :             CPLError(CE_Failure, CPLE_AppDefined,
     915             :                      "The -projwin option was used, but the geotransform is "
     916             :                      "invalid.");
     917           1 :             return nullptr;
     918             :         }
     919         346 :         if (!gt.IsAxisAligned())
     920             :         {
     921           1 :             CPLError(CE_Failure, CPLE_AppDefined,
     922             :                      "The -projwin option was used, but the geotransform is\n"
     923             :                      "rotated.  This configuration is not supported.");
     924           1 :             return nullptr;
     925             :         }
     926             : 
     927         345 :         if (!osProjSRS.empty())
     928             :         {
     929           7 :             pszProjection = poSrcDS->GetProjectionRef();
     930           7 :             if (pszProjection != nullptr && strlen(pszProjection) > 0)
     931             :             {
     932           6 :                 OGRSpatialReference oSRSIn;
     933           6 :                 OGRSpatialReference oSRSDS;
     934           6 :                 oSRSIn.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
     935           6 :                 oSRSDS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
     936           6 :                 oSRSIn.SetFromUserInput(osProjSRS);
     937           6 :                 oSRSDS.SetFromUserInput(pszProjection);
     938           6 :                 if (!oSRSIn.IsSame(&oSRSDS))
     939             :                 {
     940             :                     OGRCoordinateTransformation *poCT =
     941           5 :                         OGRCreateCoordinateTransformation(&oSRSIn, &oSRSDS);
     942          10 :                     if (!(poCT &&
     943           5 :                           poCT->TransformBounds(
     944           5 :                               psOptions->dfULX, psOptions->dfLRY,
     945           5 :                               psOptions->dfLRX, psOptions->dfULY,
     946           5 :                               &psOptions->dfULX, &psOptions->dfLRY,
     947           5 :                               &psOptions->dfLRX, &psOptions->dfULY, 21)))
     948             :                     {
     949           0 :                         OGRCoordinateTransformation::DestroyCT(poCT);
     950             : 
     951           0 :                         CPLError(CE_Failure, CPLE_AppDefined,
     952             :                                  "-projwin_srs ignored since coordinate "
     953             :                                  "transformation failed.");
     954           0 :                         return nullptr;
     955             :                     }
     956           5 :                     delete poCT;
     957           6 :                 }
     958             :             }
     959             :             else
     960             :             {
     961           1 :                 CPLError(CE_Warning, CPLE_None,
     962             :                          "-projwin_srs ignored since the dataset has no "
     963             :                          "projection.");
     964             :             }
     965             :         }
     966             : 
     967             :         bool bAlignToInputPixels =
     968         387 :             psOptions->osResampling.empty() ||
     969          42 :             EQUALN(psOptions->osResampling.c_str(), "NEAR", 4);
     970             : 
     971         345 :         double dfULX = psOptions->dfULX;
     972         345 :         double dfULY = psOptions->dfULY;
     973             : 
     974         345 :         psOptions->srcWin.dfXOff = (dfULX - gt.xorig) / gt.xscale;
     975         345 :         psOptions->srcWin.dfYOff = (dfULY - gt.yorig) / gt.yscale;
     976             : 
     977             :         // In case of nearest resampling, round to integer pixels (#6610)
     978         345 :         if (bAlignToInputPixels)
     979             :         {
     980         616 :             psOptions->srcWin.dfXOff =
     981         308 :                 std::floor(psOptions->srcWin.dfXOff + 0.001);  // xoff
     982         616 :             psOptions->srcWin.dfYOff =
     983         308 :                 std::floor(psOptions->srcWin.dfYOff + 0.001);  // yoff
     984             : 
     985         308 :             dfULX = psOptions->srcWin.dfXOff * gt.xscale + gt.xorig;
     986         308 :             dfULY = psOptions->srcWin.dfYOff * gt.yscale + gt.yorig;
     987             :         }
     988             : 
     989             :         // Calculate xsize and ysize based on the (possibly snapped) ULX, ULY
     990         690 :         psOptions->srcWin.dfXSize =
     991         345 :             (psOptions->dfLRX - dfULX) / gt.xscale;  // xsize
     992         690 :         psOptions->srcWin.dfYSize =
     993         345 :             (psOptions->dfLRY - dfULY) / gt.yscale;  // ysize
     994             : 
     995         345 :         if (bAlignToInputPixels)
     996             :         {
     997         616 :             psOptions->srcWin.dfXSize =
     998         308 :                 std::ceil(psOptions->srcWin.dfXSize - 0.001);
     999         308 :             psOptions->srcWin.dfYSize =
    1000         308 :                 std::ceil(psOptions->srcWin.dfYSize - 0.001);
    1001             :         }
    1002             :     }
    1003             : 
    1004             :     /* -------------------------------------------------------------------- */
    1005             :     /*      Verify source window dimensions.                                */
    1006             :     /* -------------------------------------------------------------------- */
    1007        6502 :     if (poSrcDS->GetRasterXSize() != 0 && poSrcDS->GetRasterYSize() != 0 &&
    1008        3249 :         (psOptions->srcWin.dfXSize <= 0 || psOptions->srcWin.dfYSize <= 0))
    1009             :     {
    1010           1 :         CPLError(CE_Failure, CPLE_AppDefined,
    1011             :                  "Error: %ssource window (x,y)=(%g,%g), (width,height)=(%g,%g) "
    1012             :                  "has negative width and/or height.",
    1013           1 :                  (psOptions->dfULX != 0.0 || psOptions->dfULY != 0.0 ||
    1014           0 :                   psOptions->dfLRX != 0.0 || psOptions->dfLRY != 0.0)
    1015             :                      ? "Computed "
    1016             :                      : "",
    1017           1 :                  psOptions->srcWin.dfXOff, psOptions->srcWin.dfYOff,
    1018           1 :                  psOptions->srcWin.dfXSize, psOptions->srcWin.dfYSize);
    1019           1 :         return nullptr;
    1020             :     }
    1021             : 
    1022             :     /* -------------------------------------------------------------------- */
    1023             :     /*      Verify source window dimensions.                                */
    1024             :     /* -------------------------------------------------------------------- */
    1025        6439 :     else if (psOptions->srcWin.dfXOff <= -1 || psOptions->srcWin.dfYOff <= -1 ||
    1026        3183 :              psOptions->srcWin.dfXOff + psOptions->srcWin.dfXSize - 1 >=
    1027        9603 :                  poSrcDS->GetRasterXSize() ||
    1028        3164 :              psOptions->srcWin.dfYOff + psOptions->srcWin.dfYSize - 1 >=
    1029        3164 :                  poSrcDS->GetRasterYSize())
    1030             :     {
    1031             :         const bool bCompletelyOutside =
    1032          92 :             psOptions->srcWin.dfXOff + psOptions->srcWin.dfXSize <= 0 ||
    1033          86 :             psOptions->srcWin.dfYOff + psOptions->srcWin.dfYSize <= 0 ||
    1034         261 :             psOptions->srcWin.dfXOff >= poSrcDS->GetRasterXSize() ||
    1035          83 :             psOptions->srcWin.dfYOff >= poSrcDS->GetRasterYSize();
    1036             :         const bool bIsError =
    1037          98 :             psOptions->bErrorOnPartiallyOutside ||
    1038           6 :             (bCompletelyOutside && psOptions->bErrorOnCompletelyOutside);
    1039          92 :         if ((!psOptions->bQuiet && !psOptions->bNoWarnAboutOutsideWindow) ||
    1040             :             bIsError)
    1041             :         {
    1042          19 :             CPLErr eErr = bIsError ? CE_Failure : CE_Warning;
    1043             : 
    1044          38 :             CPLError(eErr, CPLE_AppDefined,
    1045             :                      "%s-srcwin %g %g %g %g falls %s outside source raster "
    1046             :                      "extent.%s",
    1047          19 :                      (psOptions->dfULX != 0.0 || psOptions->dfULY != 0.0 ||
    1048           9 :                       psOptions->dfLRX != 0.0 || psOptions->dfLRY != 0.0)
    1049             :                          ? "Computed "
    1050             :                          : "",
    1051          19 :                      psOptions->srcWin.dfXOff, psOptions->srcWin.dfYOff,
    1052          19 :                      psOptions->srcWin.dfXSize, psOptions->srcWin.dfYSize,
    1053             :                      bCompletelyOutside ? "completely" : "partially",
    1054             :                      bIsError
    1055             :                          ? ""
    1056             :                          : " Pixels outside the source raster extent will be "
    1057             :                            "set to the NoData value (if defined), or zero.");
    1058             :         }
    1059          92 :         if (bIsError)
    1060             :         {
    1061           9 :             return nullptr;
    1062             :         }
    1063             :     }
    1064             : 
    1065             :     /* -------------------------------------------------------------------- */
    1066             :     /*      Find the output driver.                                         */
    1067             :     /* -------------------------------------------------------------------- */
    1068        3243 :     if (psOptions->osFormat.empty())
    1069             :     {
    1070        1457 :         psOptions->osFormat = GetOutputDriverForRaster(pszDest);
    1071        1457 :         if (psOptions->osFormat.empty())
    1072             :         {
    1073           1 :             CPLError(CE_Failure, CPLE_AppDefined,
    1074             :                      "Could not identify an output driver for %s", pszDest);
    1075           1 :             return nullptr;
    1076             :         }
    1077             :     }
    1078             : 
    1079        3242 :     GDALDriverH hDriver = GDALGetDriverByName(psOptions->osFormat.c_str());
    1080        3242 :     if (hDriver == nullptr)
    1081             :     {
    1082           1 :         CPLError(CE_Failure, CPLE_IllegalArg,
    1083             :                  "Output driver `%s' not recognised.",
    1084           1 :                  psOptions->osFormat.c_str());
    1085           1 :         return nullptr;
    1086             :     }
    1087             : 
    1088             :     /* -------------------------------------------------------------------- */
    1089             :     /*      Make sure we cleanup if there is an existing dataset of this    */
    1090             :     /*      name.  But even if that seems to fail we will continue since    */
    1091             :     /*      it might just be a corrupt file or something.                   */
    1092             :     /*      This is needed for                                              */
    1093             :     /*      gdal_translate foo.tif foo.tif.ovr -outsize 50% 50%             */
    1094             :     /* -------------------------------------------------------------------- */
    1095        3241 :     if (psOptions->aosCreateOptions.FetchBool("APPEND_SUBDATASET", false))
    1096             :     {
    1097          12 :         if (GDALGetMetadataItem(hDriver, GDAL_DCAP_CREATE_SUBDATASETS,
    1098          12 :                                 nullptr) == nullptr)
    1099             :         {
    1100           1 :             CPLError(CE_Failure, CPLE_NotSupported,
    1101             :                      "Subdataset creation not supported for driver %s",
    1102             :                      GDALGetDescription(hDriver));
    1103           1 :             return nullptr;
    1104             :         }
    1105             :     }
    1106             :     else
    1107             :     {
    1108        3229 :         if (!EQUAL(psOptions->osFormat.c_str(), "VRT"))
    1109             :         {
    1110             :             // Prevent GDALDriver::CreateCopy() from doing that again.
    1111        2581 :             psOptions->aosCreateOptions.SetNameValue(
    1112        2581 :                 "@QUIET_DELETE_ON_CREATE_COPY", "NO");
    1113             :         }
    1114             : 
    1115        3337 :         if (psOptions->bNoOverwrite && !EQUAL(pszDest, "") &&
    1116         108 :             !EQUAL(pszDest, "/vsistdout/"))
    1117             :         {
    1118             :             VSIStatBufL sStat;
    1119         106 :             if (VSIStatL(pszDest, &sStat) == 0)
    1120             :             {
    1121           0 :                 CPLError(CE_Failure, CPLE_AppDefined,
    1122             :                          "File '%s' already exists. Specify the --overwrite "
    1123             :                          "option to overwrite it.",
    1124             :                          pszDest);
    1125           0 :                 return nullptr;
    1126             :             }
    1127             :             else
    1128             :             {
    1129             :                 bool bExists;
    1130             :                 {
    1131         106 :                     CPLErrorStateBackuper oBackuper(CPLQuietErrorHandler);
    1132         212 :                     bExists = std::unique_ptr<GDALDataset>(
    1133         106 :                                   GDALDataset::Open(pszDest)) != nullptr;
    1134             :                 }
    1135         106 :                 if (bExists)
    1136             :                 {
    1137           0 :                     CPLError(
    1138             :                         CE_Failure, CPLE_AppDefined,
    1139             :                         "Dataset '%s' already exists. Specify the --overwrite "
    1140             :                         "option to overwrite it.",
    1141             :                         pszDest);
    1142           0 :                     return nullptr;
    1143             :                 }
    1144             :             }
    1145             :         }
    1146             : 
    1147        3229 :         GDALDriver::FromHandle(hDriver)->QuietDeleteForCreateCopy(pszDest,
    1148             :                                                                   poSrcDS);
    1149             : 
    1150             :         // Make sure to load early overviews, so that on the GTiff driver
    1151             :         // external .ovr is looked for before it might be created as the
    1152             :         // output dataset !
    1153        3229 :         if (poSrcDS->GetRasterCount())
    1154             :         {
    1155        3222 :             auto poBand = poSrcDS->GetRasterBand(1);
    1156        3222 :             if (poBand)
    1157        3222 :                 poBand->GetOverviewCount();
    1158             :         }
    1159             :     }
    1160             : 
    1161        3240 :     CSLConstList papszDriverMD = GDALGetMetadata(hDriver, nullptr);
    1162             : 
    1163        3240 :     if (!CPLTestBool(
    1164             :             CSLFetchNameValueDef(papszDriverMD, GDAL_DCAP_RASTER, "FALSE")))
    1165             :     {
    1166           1 :         CPLError(CE_Failure, CPLE_AppDefined,
    1167             :                  "%s driver has no raster capabilities.",
    1168           1 :                  psOptions->osFormat.c_str());
    1169           1 :         return nullptr;
    1170             :     }
    1171             : 
    1172        3239 :     if (!CPLTestBool(
    1173        3544 :             CSLFetchNameValueDef(papszDriverMD, GDAL_DCAP_CREATE, "FALSE")) &&
    1174         305 :         !CPLTestBool(
    1175             :             CSLFetchNameValueDef(papszDriverMD, GDAL_DCAP_CREATECOPY, "FALSE")))
    1176             :     {
    1177           1 :         CPLError(CE_Failure, CPLE_AppDefined,
    1178             :                  "%s driver has no creation capabilities.",
    1179           1 :                  psOptions->osFormat.c_str());
    1180           1 :         return nullptr;
    1181             :     }
    1182             : 
    1183             :     /* -------------------------------------------------------------------- */
    1184             :     /*      The short form is to CreateCopy().  We use this if the input    */
    1185             :     /*      matches the whole dataset.  Eventually we should rewrite        */
    1186             :     /*      this entire program to use virtual datasets to construct a      */
    1187             :     /*      virtual input source to copy from.                              */
    1188             :     /* -------------------------------------------------------------------- */
    1189             : 
    1190             :     const bool bKeepResolution =
    1191        6261 :         psOptions->nOXSizePixel == 0 && psOptions->dfOXSizePct == 0.0 &&
    1192        9252 :         psOptions->nOYSizePixel == 0 && psOptions->dfOYSizePct == 0.0 &&
    1193        2991 :         psOptions->dfXRes == 0.0;
    1194             :     const bool bKeepExtent =
    1195        5523 :         psOptions->srcWin.dfXOff == 0 && psOptions->srcWin.dfYOff == 0 &&
    1196        7555 :         psOptions->srcWin.dfXSize == poSrcDS->GetRasterXSize() &&
    1197        2032 :         psOptions->srcWin.dfYSize == poSrcDS->GetRasterYSize();
    1198        3238 :     const bool bSpatialArrangementPreserved = bKeepExtent && bKeepResolution;
    1199             :     const bool bValuesChanged =
    1200        3238 :         psOptions->bUnscale || !psOptions->asScaleParams.empty();
    1201             : 
    1202        6116 :     if (psOptions->eOutputType == GDT_Unknown &&
    1203        5708 :         psOptions->asScaleParams.empty() && psOptions->adfExponent.empty() &&
    1204        2829 :         !psOptions->bUnscale && !psOptions->bSetScale &&
    1205        2824 :         !psOptions->bSetOffset && psOptions->aosMetadataOptions.empty() &&
    1206        2796 :         psOptions->aosDomainMetadataOptions.empty() && bAllBandsInOrder &&
    1207        2695 :         psOptions->eMaskMode == MASK_AUTO && bSpatialArrangementPreserved &&
    1208        1353 :         !psOptions->bNoGCP && psOptions->asGCPs.empty() && !bGotBounds &&
    1209        1327 :         !bGotGeoTransform && psOptions->osOutputSRS.empty() &&
    1210        1275 :         psOptions->dfOutputCoordinateEpoch == 0 && !psOptions->bSetNoData &&
    1211        1250 :         !psOptions->bUnsetNoData && psOptions->nRGBExpand == 0 &&
    1212        1220 :         !psOptions->bNoRAT && psOptions->anColorInterp.empty() &&
    1213        6116 :         !psOptions->bNoXMP && psOptions->nOvLevel == OVR_LEVEL_AUTO)
    1214             :     {
    1215             : 
    1216             :         // For gdal_translate_fuzzer
    1217        1204 :         if (psOptions->nLimitOutSize > 0)
    1218             :         {
    1219             :             vsi_l_offset nRawOutSize =
    1220           0 :                 static_cast<vsi_l_offset>(poSrcDS->GetRasterXSize()) *
    1221           0 :                 poSrcDS->GetRasterYSize() * psOptions->nBandCount;
    1222           0 :             if (psOptions->nBandCount)
    1223             :             {
    1224           0 :                 nRawOutSize *= GDALGetDataTypeSizeBytes(
    1225             :                     poSrcDS->GetRasterBand(1)->GetRasterDataType());
    1226             :             }
    1227           0 :             if (nRawOutSize >
    1228           0 :                 static_cast<vsi_l_offset>(psOptions->nLimitOutSize))
    1229             :             {
    1230           0 :                 CPLError(CE_Failure, CPLE_IllegalArg,
    1231             :                          "Attempt to create %dx%d dataset is above authorized "
    1232             :                          "limit.",
    1233             :                          poSrcDS->GetRasterXSize(), poSrcDS->GetRasterYSize());
    1234           0 :                 return nullptr;
    1235             :             }
    1236             :         }
    1237             : 
    1238             :         /* --------------------------------------------------------------------
    1239             :          */
    1240             :         /*      Compute stats if required. */
    1241             :         /* --------------------------------------------------------------------
    1242             :          */
    1243             : 
    1244        1204 :         if (psOptions->bStats && EQUAL(psOptions->osFormat.c_str(), "COG"))
    1245             :         {
    1246           2 :             psOptions->aosCreateOptions.SetNameValue("STATISTICS", "YES");
    1247             :         }
    1248        1202 :         else if (psOptions->bStats)
    1249             :         {
    1250           4 :             for (int i = 0; i < poSrcDS->GetRasterCount(); i++)
    1251             :             {
    1252             :                 double dfMin, dfMax, dfMean, dfStdDev;
    1253           2 :                 poSrcDS->GetRasterBand(i + 1)->ComputeStatistics(
    1254           2 :                     psOptions->bApproxStats, &dfMin, &dfMax, &dfMean, &dfStdDev,
    1255           2 :                     GDALDummyProgress, nullptr);
    1256             :             }
    1257             :         }
    1258             : 
    1259        1204 :         hOutDS = GDALCreateCopy(
    1260             :             hDriver, pszDest, GDALDataset::ToHandle(poSrcDS),
    1261        1204 :             psOptions->bStrict, psOptions->aosCreateOptions.List(),
    1262        1204 :             psOptions->pfnProgress, psOptions->pProgressData);
    1263        1204 :         hOutDS = GDALTranslateFlush(hOutDS);
    1264             : 
    1265        1204 :         return hOutDS;
    1266             :     }
    1267             : 
    1268        2034 :     if (psOptions->aosCreateOptions.FetchNameValue("COPY_SRC_OVERVIEWS"))
    1269             :     {
    1270           0 :         CPLError(CE_Warning, CPLE_AppDefined,
    1271             :                  "General options of gdal_translate make the "
    1272             :                  "COPY_SRC_OVERVIEWS creation option ineffective as they hide "
    1273             :                  "the overviews");
    1274             :     }
    1275             : 
    1276             :     /* -------------------------------------------------------------------- */
    1277             :     /*      Establish some parameters.                                      */
    1278             :     /* -------------------------------------------------------------------- */
    1279        2034 :     int nOXSize = 0;
    1280        2034 :     int nOYSize = 0;
    1281             : 
    1282        2034 :     bool bHasSrcGeoTransform = false;
    1283        2034 :     GDALGeoTransform srcGT;
    1284        2034 :     if (poSrcDS->GetGeoTransform(srcGT) == CE_None)
    1285        1775 :         bHasSrcGeoTransform = true;
    1286             : 
    1287             :     const bool bOutsizeExplicitlySet =
    1288        3823 :         !(psOptions->nOXSizePixel == 0 && psOptions->dfOXSizePct == 0.0 &&
    1289        1789 :           psOptions->nOYSizePixel == 0 && psOptions->dfOYSizePct == 0.0);
    1290        2034 :     if (psOptions->dfXRes != 0.0 && psOptions->dfYRes != 0.0)
    1291             :     {
    1292         136 :         if (!(bHasSrcGeoTransform && psOptions->asGCPs.empty() &&
    1293          68 :               srcGT[2] == 0.0 && srcGT[4] == 0.0))
    1294             :         {
    1295           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
    1296             :                      "The -tr option was used, but there's no geotransform or "
    1297             :                      "it is\n"
    1298             :                      "rotated.  This configuration is not supported.");
    1299           0 :             return nullptr;
    1300             :         }
    1301             :         const double dfOXSize =
    1302          68 :             psOptions->srcWin.dfXSize / psOptions->dfXRes * srcGT[1] + 0.5;
    1303             :         const double dfOYSize =
    1304          68 :             psOptions->srcWin.dfYSize / psOptions->dfYRes * fabs(srcGT[5]) +
    1305          68 :             0.5;
    1306          68 :         if (dfOXSize < 1 || !GDALIsValueInRange<int>(dfOXSize) ||
    1307         136 :             dfOYSize < 1 || !GDALIsValueInRange<int>(dfOYSize))
    1308             :         {
    1309           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
    1310             :                      "Invalid output size: %g x %g", dfOXSize, dfOYSize);
    1311           0 :             return nullptr;
    1312             :         }
    1313          68 :         nOXSize = static_cast<int>(dfOXSize);
    1314          68 :         nOYSize = static_cast<int>(dfOYSize);
    1315             :     }
    1316        1966 :     else if (!bOutsizeExplicitlySet)
    1317             :     {
    1318        1719 :         double dfOXSize = ceil(psOptions->srcWin.dfXSize - 0.001);
    1319        1719 :         double dfOYSize = ceil(psOptions->srcWin.dfYSize - 0.001);
    1320        1719 :         if (dfOXSize < 1 || !GDALIsValueInRange<int>(dfOXSize) ||
    1321        3438 :             dfOYSize < 1 || !GDALIsValueInRange<int>(dfOYSize))
    1322             :         {
    1323           2 :             CPLError(CE_Failure, CPLE_IllegalArg,
    1324             :                      "Invalid output size: %g x %g", dfOXSize, dfOYSize);
    1325           2 :             return nullptr;
    1326             :         }
    1327        1717 :         nOXSize = static_cast<int>(dfOXSize);
    1328        1717 :         nOYSize = static_cast<int>(dfOYSize);
    1329             :     }
    1330             :     else
    1331             :     {
    1332         247 :         if (!(psOptions->nOXSizePixel == 0 && psOptions->dfOXSizePct == 0.0))
    1333             :         {
    1334         245 :             if (psOptions->nOXSizePixel != 0)
    1335         215 :                 nOXSize = psOptions->nOXSizePixel;
    1336             :             else
    1337             :             {
    1338             :                 const double dfOXSize =
    1339          30 :                     psOptions->dfOXSizePct / 100 * psOptions->srcWin.dfXSize;
    1340          30 :                 if (dfOXSize < 1 || !GDALIsValueInRange<int>(dfOXSize))
    1341             :                 {
    1342           1 :                     CPLError(CE_Failure, CPLE_IllegalArg,
    1343             :                              "Invalid output width: %g", dfOXSize);
    1344           1 :                     return nullptr;
    1345             :                 }
    1346          29 :                 nOXSize = static_cast<int>(dfOXSize);
    1347             :             }
    1348             :         }
    1349             : 
    1350         246 :         if (!(psOptions->nOYSizePixel == 0 && psOptions->dfOYSizePct == 0.0))
    1351             :         {
    1352         173 :             if (psOptions->nOYSizePixel != 0)
    1353         145 :                 nOYSize = psOptions->nOYSizePixel;
    1354             :             else
    1355             :             {
    1356             :                 const double dfOYSize =
    1357          28 :                     psOptions->dfOYSizePct / 100 * psOptions->srcWin.dfYSize;
    1358          28 :                 if (dfOYSize < 1 || !GDALIsValueInRange<int>(dfOYSize))
    1359             :                 {
    1360           1 :                     CPLError(CE_Failure, CPLE_IllegalArg,
    1361             :                              "Invalid output height: %g", dfOYSize);
    1362           1 :                     return nullptr;
    1363             :                 }
    1364          27 :                 nOYSize = static_cast<int>(dfOYSize);
    1365             :             }
    1366             :         }
    1367             : 
    1368         245 :         if (psOptions->nOXSizePixel == 0 && psOptions->dfOXSizePct == 0.0)
    1369             :         {
    1370           4 :             const double dfOXSize = static_cast<double>(nOYSize) *
    1371           2 :                                         psOptions->srcWin.dfXSize /
    1372           2 :                                         psOptions->srcWin.dfYSize +
    1373           2 :                                     0.5;
    1374           2 :             if (dfOXSize < 1 || !GDALIsValueInRange<int>(dfOXSize))
    1375             :             {
    1376           0 :                 CPLError(CE_Failure, CPLE_IllegalArg,
    1377             :                          "Invalid output width: %g", dfOXSize);
    1378           0 :                 return nullptr;
    1379             :             }
    1380           2 :             nOXSize = static_cast<int>(dfOXSize);
    1381             :         }
    1382         243 :         else if (psOptions->nOYSizePixel == 0 && psOptions->dfOYSizePct == 0.0)
    1383             :         {
    1384         146 :             const double dfOYSize = static_cast<double>(nOXSize) *
    1385          73 :                                         psOptions->srcWin.dfYSize /
    1386          73 :                                         psOptions->srcWin.dfXSize +
    1387          73 :                                     0.5;
    1388          73 :             if (dfOYSize < 1 || !GDALIsValueInRange<int>(dfOYSize))
    1389             :             {
    1390           0 :                 CPLError(CE_Failure, CPLE_IllegalArg,
    1391             :                          "Invalid output height: %g", dfOYSize);
    1392           0 :                 return nullptr;
    1393             :             }
    1394          73 :             nOYSize = static_cast<int>(dfOYSize);
    1395             :         }
    1396             :     }
    1397             : 
    1398        2030 :     if (nOXSize <= 0 || nOYSize <= 0)
    1399             :     {
    1400           0 :         CPLError(CE_Failure, CPLE_IllegalArg,
    1401             :                  "Attempt to create %dx%d dataset is illegal.", nOXSize,
    1402             :                  nOYSize);
    1403           0 :         return nullptr;
    1404             :     }
    1405             : 
    1406             :     // Build overview dataset if -ovr is specified
    1407        2030 :     GDALDataset *poSrcOvrDS = nullptr;
    1408        2030 :     GDALDataset *poSrcDSOri = poSrcDS;
    1409        2030 :     const auto poFirstBand = poSrcDS->GetRasterBand(1);
    1410        2030 :     const int nOvCount = poFirstBand ? poFirstBand->GetOverviewCount() : 0;
    1411        2030 :     if (psOptions->nOvLevel < OVR_LEVEL_AUTO && poFirstBand && nOvCount > 0)
    1412             :     {
    1413           4 :         int iOvr = 0;
    1414           7 :         for (; iOvr < nOvCount - 1; iOvr++)
    1415             :         {
    1416           4 :             if (poFirstBand->GetOverview(iOvr)->GetXSize() <= nOXSize)
    1417             :             {
    1418           1 :                 break;
    1419             :             }
    1420             :         }
    1421           4 :         iOvr += (psOptions->nOvLevel - OVR_LEVEL_AUTO);
    1422           4 :         if (iOvr >= 0)
    1423             :         {
    1424           3 :             CPLDebug("GDAL", "Selecting overview level %d", iOvr);
    1425           3 :             poSrcOvrDS = GDALCreateOverviewDataset(poSrcDS, iOvr,
    1426             :                                                    /* bThisLevelOnly = */ true);
    1427             :         }
    1428             :     }
    1429        2026 :     else if (psOptions->nOvLevel >= OVR_LEVEL_NONE)
    1430             :     {
    1431          11 :         poSrcOvrDS = GDALCreateOverviewDataset(poSrcDS, psOptions->nOvLevel,
    1432             :                                                /* bThisLevelOnly = */ true);
    1433          11 :         if (poSrcOvrDS == nullptr)
    1434             :         {
    1435           3 :             if (!psOptions->bQuiet)
    1436             :             {
    1437           3 :                 if (nOvCount > 0)
    1438             :                 {
    1439           2 :                     CPLError(CE_Warning, CPLE_AppDefined,
    1440             :                              "Cannot get overview level %d. "
    1441             :                              "Defaulting to level %d.",
    1442           2 :                              psOptions->nOvLevel, nOvCount - 1);
    1443             :                 }
    1444             :                 else
    1445             :                 {
    1446           1 :                     CPLError(CE_Warning, CPLE_AppDefined,
    1447             :                              "Cannot get overview level %d. "
    1448             :                              "Defaulting to full resolution.",
    1449           1 :                              psOptions->nOvLevel);
    1450             :                 }
    1451             :             }
    1452           3 :             if (nOvCount > 0)
    1453             :                 poSrcOvrDS =
    1454           2 :                     GDALCreateOverviewDataset(poSrcDS, nOvCount - 1,
    1455             :                                               /* bThisLevelOnly = */ true);
    1456             :         }
    1457          11 :         if (poSrcOvrDS && psOptions->dfXRes == 0.0 && !bOutsizeExplicitlySet)
    1458             :         {
    1459             :             const double dfRatioX =
    1460           8 :                 static_cast<double>(poSrcDSOri->GetRasterXSize()) /
    1461           8 :                 poSrcOvrDS->GetRasterXSize();
    1462             :             const double dfRatioY =
    1463           8 :                 static_cast<double>(poSrcDSOri->GetRasterYSize()) /
    1464           8 :                 poSrcOvrDS->GetRasterYSize();
    1465           8 :             nOXSize =
    1466           8 :                 std::max(1, static_cast<int>(ceil(nOXSize / dfRatioX - 0.001)));
    1467           8 :             nOYSize =
    1468           8 :                 std::max(1, static_cast<int>(ceil(nOYSize / dfRatioY - 0.001)));
    1469             :         }
    1470             :     }
    1471             : 
    1472        2030 :     if (poSrcOvrDS)
    1473          13 :         poSrcDS = poSrcOvrDS;
    1474             :     else
    1475        2017 :         poSrcDS->Reference();
    1476             : 
    1477             :     // For gdal_translate_fuzzer
    1478        2030 :     if (psOptions->nLimitOutSize > 0)
    1479             :     {
    1480           0 :         vsi_l_offset nRawOutSize = static_cast<vsi_l_offset>(nOXSize) * nOYSize;
    1481           0 :         if (psOptions->nBandCount)
    1482             :         {
    1483           0 :             if (nRawOutSize > std::numeric_limits<vsi_l_offset>::max() /
    1484           0 :                                   psOptions->nBandCount)
    1485             :             {
    1486           0 :                 poSrcDS->Release();
    1487           0 :                 return nullptr;
    1488             :             }
    1489           0 :             nRawOutSize *= psOptions->nBandCount;
    1490           0 :             const int nDTSize = GDALGetDataTypeSizeBytes(
    1491             :                 poSrcDS->GetRasterBand(1)->GetRasterDataType());
    1492           0 :             if (nDTSize > 0 &&
    1493             :                 nRawOutSize >
    1494           0 :                     std::numeric_limits<vsi_l_offset>::max() / nDTSize)
    1495             :             {
    1496           0 :                 poSrcDS->Release();
    1497           0 :                 return nullptr;
    1498             :             }
    1499           0 :             nRawOutSize *= nDTSize;
    1500             :         }
    1501           0 :         if (nRawOutSize > static_cast<vsi_l_offset>(psOptions->nLimitOutSize))
    1502             :         {
    1503           0 :             CPLError(
    1504             :                 CE_Failure, CPLE_IllegalArg,
    1505             :                 "Attempt to create %dx%d dataset is above authorized limit.",
    1506             :                 nOXSize, nOYSize);
    1507           0 :             poSrcDS->Release();
    1508           0 :             return nullptr;
    1509             :         }
    1510             :     }
    1511             : 
    1512             :     /* ==================================================================== */
    1513             :     /*      Create a virtual dataset.                                       */
    1514             :     /* ==================================================================== */
    1515             : 
    1516             :     /* -------------------------------------------------------------------- */
    1517             :     /*      Make a virtual clone.                                           */
    1518             :     /* -------------------------------------------------------------------- */
    1519        2030 :     VRTDataset *poVDS = static_cast<VRTDataset *>(VRTCreate(nOXSize, nOYSize));
    1520             : 
    1521        2030 :     if (psOptions->asGCPs.empty())
    1522             :     {
    1523        4042 :         if (psOptions->osOutputSRS == "null" ||
    1524        2021 :             psOptions->osOutputSRS == "none")
    1525             :         {
    1526           1 :             poVDS->SetSpatialRef(nullptr);
    1527             :         }
    1528             :         else
    1529             :         {
    1530        4040 :             OGRSpatialReference oSRS;
    1531        2020 :             if (!psOptions->osOutputSRS.empty())
    1532             :             {
    1533         107 :                 oSRS.SetFromUserInput(psOptions->osOutputSRS.c_str());
    1534         107 :                 oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
    1535             :             }
    1536             :             else
    1537             :             {
    1538        1913 :                 const OGRSpatialReference *poSrcSRS = poSrcDS->GetSpatialRef();
    1539        1913 :                 if (poSrcSRS)
    1540        1487 :                     oSRS = *poSrcSRS;
    1541             :             }
    1542        2020 :             if (!oSRS.IsEmpty())
    1543             :             {
    1544        1594 :                 if (psOptions->dfOutputCoordinateEpoch > 0)
    1545           4 :                     oSRS.SetCoordinateEpoch(psOptions->dfOutputCoordinateEpoch);
    1546        1594 :                 poVDS->SetSpatialRef(&oSRS);
    1547             :             }
    1548             :         }
    1549             :     }
    1550             : 
    1551        2030 :     bool bHasDstGeoTransform = false;
    1552        2030 :     GDALGeoTransform dstGT;
    1553             : 
    1554        2030 :     if (bGotBounds)
    1555             :     {
    1556          19 :         bHasDstGeoTransform = true;
    1557          19 :         dstGT[0] = psOptions->adfULLR[0];
    1558          19 :         dstGT[1] = (psOptions->adfULLR[2] - psOptions->adfULLR[0]) / nOXSize;
    1559          19 :         dstGT[2] = 0.0;
    1560          19 :         dstGT[3] = psOptions->adfULLR[1];
    1561          19 :         dstGT[4] = 0.0;
    1562          19 :         dstGT[5] = (psOptions->adfULLR[3] - psOptions->adfULLR[1]) / nOYSize;
    1563             : 
    1564          19 :         poVDS->SetGeoTransform(dstGT);
    1565             :     }
    1566             : 
    1567        2011 :     else if (bGotGeoTransform)
    1568             :     {
    1569           3 :         bHasDstGeoTransform = true;
    1570           3 :         poVDS->SetGeoTransform(psOptions->gt);
    1571             :     }
    1572             : 
    1573        2008 :     else if (bHasSrcGeoTransform && psOptions->asGCPs.empty())
    1574             :     {
    1575        1747 :         bHasDstGeoTransform = true;
    1576        1747 :         dstGT = srcGT;
    1577        1747 :         dstGT[0] += psOptions->srcWin.dfXOff * dstGT[1] +
    1578        1747 :                     psOptions->srcWin.dfYOff * dstGT[2];
    1579        1747 :         dstGT[3] += psOptions->srcWin.dfXOff * dstGT[4] +
    1580        1747 :                     psOptions->srcWin.dfYOff * dstGT[5];
    1581             : 
    1582        1747 :         const double dfXRatio = psOptions->srcWin.dfXSize / nOXSize;
    1583        1747 :         const double dfYRatio = psOptions->srcWin.dfYSize / nOYSize;
    1584        1747 :         dstGT.Rescale(dfXRatio, dfYRatio);
    1585             : 
    1586        1747 :         if (psOptions->dfXRes != 0.0)
    1587             :         {
    1588          68 :             dstGT[1] = psOptions->dfXRes;
    1589          68 :             dstGT[5] = (dstGT[5] > 0) ? psOptions->dfYRes : -psOptions->dfYRes;
    1590             :         }
    1591             : 
    1592        1747 :         poVDS->SetGeoTransform(dstGT);
    1593             :     }
    1594             : 
    1595        2030 :     if (!psOptions->asGCPs.empty())
    1596             :     {
    1597          18 :         OGRSpatialReference oSRS;
    1598          18 :         if (psOptions->osOutputSRS == "null" ||
    1599           9 :             psOptions->osOutputSRS == "none")
    1600             :         {
    1601             :             // nothing to do
    1602             :         }
    1603           9 :         else if (!psOptions->osOutputSRS.empty())
    1604             :         {
    1605           5 :             oSRS.SetFromUserInput(psOptions->osOutputSRS.c_str());
    1606           5 :             oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
    1607             :         }
    1608             :         else
    1609             :         {
    1610           4 :             const OGRSpatialReference *poSrcSRS = poSrcDS->GetGCPSpatialRef();
    1611           4 :             if (poSrcSRS)
    1612           0 :                 oSRS = *poSrcSRS;
    1613             :         }
    1614          18 :         poVDS->SetGCPs(static_cast<int>(psOptions->asGCPs.size()),
    1615           9 :                        gdal::GCP::c_ptr(psOptions->asGCPs),
    1616           9 :                        !oSRS.IsEmpty() ? &oSRS : nullptr);
    1617             :     }
    1618             : 
    1619        2021 :     else if (!psOptions->bNoGCP && poSrcDSOri->GetGCPCount() > 0)
    1620             :     {
    1621           1 :         const int nGCPs = poSrcDSOri->GetGCPCount();
    1622             : 
    1623           1 :         GDAL_GCP *pasGCPs = GDALDuplicateGCPs(nGCPs, poSrcDSOri->GetGCPs());
    1624             : 
    1625           5 :         for (int i = 0; i < nGCPs; i++)
    1626             :         {
    1627           4 :             pasGCPs[i].dfGCPPixel -= psOptions->srcWin.dfXOff;
    1628           4 :             pasGCPs[i].dfGCPLine -= psOptions->srcWin.dfYOff;
    1629           4 :             pasGCPs[i].dfGCPPixel *=
    1630           4 :                 nOXSize / static_cast<double>(psOptions->srcWin.dfXSize);
    1631           4 :             pasGCPs[i].dfGCPLine *=
    1632           4 :                 nOYSize / static_cast<double>(psOptions->srcWin.dfYSize);
    1633             :         }
    1634             : 
    1635           1 :         poVDS->SetGCPs(nGCPs, pasGCPs, poSrcDSOri->GetGCPSpatialRef());
    1636             : 
    1637           1 :         GDALDeinitGCPs(nGCPs, pasGCPs);
    1638           1 :         CPLFree(pasGCPs);
    1639             :     }
    1640             : 
    1641             :     /* -------------------------------------------------------------------- */
    1642             :     /*      To make the VRT to look less awkward (but this is optional      */
    1643             :     /*      in fact), avoid negative values.                                */
    1644             :     /* -------------------------------------------------------------------- */
    1645        2030 :     GDALTranslateOptions::PixelLineWindow dstWin{
    1646        2030 :         0.0, 0.0, static_cast<double>(nOXSize), static_cast<double>(nOYSize)};
    1647             : 
    1648             :     // When specifying -tr with non-nearest resampling, make sure that the
    1649             :     // size of target window precisely matches the requested resolution, to
    1650             :     // avoid any shift.
    1651        1771 :     if (bHasSrcGeoTransform && bHasDstGeoTransform &&
    1652        3809 :         psOptions->dfXRes != 0.0 && !psOptions->osResampling.empty() &&
    1653           8 :         !EQUALN(psOptions->osResampling.c_str(), "NEAR", 4))
    1654             :     {
    1655           8 :         dstWin.dfXSize = psOptions->srcWin.dfXSize * srcGT[1] / dstGT[1];
    1656           8 :         dstWin.dfYSize = psOptions->srcWin.dfYSize * fabs(srcGT[5] / dstGT[5]);
    1657             :     }
    1658             : 
    1659        2030 :     GDALTranslateOptions::PixelLineWindow srcWinOri(psOptions->srcWin);
    1660             :     const double dfRatioX =
    1661        2030 :         poSrcDS->GetRasterXSize() == 0
    1662        2030 :             ? 1.0
    1663        2030 :             : static_cast<double>(poSrcDSOri->GetRasterXSize()) /
    1664        2030 :                   poSrcDS->GetRasterXSize();
    1665             :     const double dfRatioY =
    1666        2030 :         poSrcDS->GetRasterYSize() == 0
    1667        2030 :             ? 1.0
    1668        2030 :             : static_cast<double>(poSrcDSOri->GetRasterYSize()) /
    1669        2030 :                   poSrcDS->GetRasterYSize();
    1670        2030 :     psOptions->srcWin.dfXOff /= dfRatioX;
    1671        2030 :     psOptions->srcWin.dfYOff /= dfRatioY;
    1672        2030 :     psOptions->srcWin.dfXSize /= dfRatioX;
    1673        2030 :     psOptions->srcWin.dfYSize /= dfRatioY;
    1674        2030 :     FixSrcDstWindow(psOptions->srcWin, dstWin, poSrcDS->GetRasterXSize(),
    1675             :                     poSrcDS->GetRasterYSize());
    1676             : 
    1677             :     /* -------------------------------------------------------------------- */
    1678             :     /*      Transfer generally applicable metadata.                         */
    1679             :     /* -------------------------------------------------------------------- */
    1680        2030 :     char **papszMetadata = CSLDuplicate(poSrcDS->GetMetadata());
    1681        3972 :     if (!psOptions->asScaleParams.empty() || psOptions->bUnscale ||
    1682        1942 :         psOptions->eOutputType != GDT_Unknown)
    1683             :     {
    1684             :         /* Remove TIFFTAG_MINSAMPLEVALUE and TIFFTAG_MAXSAMPLEVALUE */
    1685             :         /* if the data range may change because of options */
    1686         410 :         char **papszIter = papszMetadata;
    1687         796 :         while (papszIter && *papszIter)
    1688             :         {
    1689         386 :             if (STARTS_WITH_CI(*papszIter, "TIFFTAG_MINSAMPLEVALUE=") ||
    1690         386 :                 STARTS_WITH_CI(*papszIter, "TIFFTAG_MAXSAMPLEVALUE="))
    1691             :             {
    1692           0 :                 CPLFree(*papszIter);
    1693           0 :                 memmove(papszIter, papszIter + 1,
    1694           0 :                         sizeof(char *) * (CSLCount(papszIter + 1) + 1));
    1695             :             }
    1696             :             else
    1697         386 :                 papszIter++;
    1698             :         }
    1699             :     }
    1700             : 
    1701             :     // Remove NITF_BLOCKA_ stuff if georeferencing is changed
    1702        2974 :     if (!(psOptions->srcWin.dfXOff == 0 && psOptions->srcWin.dfYOff == 0 &&
    1703         944 :           psOptions->srcWin.dfXSize == poSrcDS->GetRasterXSize() &&
    1704         847 :           psOptions->srcWin.dfYSize == poSrcDS->GetRasterYSize() &&
    1705         842 :           psOptions->asGCPs.empty() && !bGotBounds && !bGotGeoTransform))
    1706             :     {
    1707        1219 :         char **papszIter = papszMetadata;
    1708        3453 :         while (papszIter && *papszIter)
    1709             :         {
    1710        2234 :             if (STARTS_WITH_CI(*papszIter, "NITF_BLOCKA_"))
    1711             :             {
    1712          10 :                 CPLFree(*papszIter);
    1713          10 :                 memmove(papszIter, papszIter + 1,
    1714          10 :                         sizeof(char *) * (CSLCount(papszIter + 1) + 1));
    1715             :             }
    1716             :             else
    1717        2224 :                 papszIter++;
    1718             :         }
    1719             :     }
    1720             : 
    1721             :     {
    1722        2030 :         char **papszIter = papszMetadata;
    1723        5220 :         while (papszIter && *papszIter)
    1724             :         {
    1725             :             // Do not preserve the CACHE_PATH from the WMS driver
    1726        3190 :             if (STARTS_WITH_CI(*papszIter, "CACHE_PATH="))
    1727             :             {
    1728           0 :                 CPLFree(*papszIter);
    1729           0 :                 memmove(papszIter, papszIter + 1,
    1730           0 :                         sizeof(char *) * (CSLCount(papszIter + 1) + 1));
    1731             :             }
    1732             :             else
    1733        3190 :                 papszIter++;
    1734             :         }
    1735             :     }
    1736             : 
    1737        2035 :     if (CSLFetchNameValue(papszMetadata, "NODATA_VALUES") &&
    1738           5 :         !(bAllBandsInOrder &&
    1739           1 :           psOptions->nBandCount == poSrcDS->GetRasterCount()))
    1740             :     {
    1741             :         papszMetadata =
    1742           4 :             CSLSetNameValue(papszMetadata, "NODATA_VALUES", nullptr);
    1743             :     }
    1744             : 
    1745        2030 :     poVDS->SetMetadata(papszMetadata);
    1746        2030 :     CSLDestroy(papszMetadata);
    1747        2030 :     AttachMetadata(GDALDataset::ToHandle(poVDS), psOptions->aosMetadataOptions);
    1748             : 
    1749        2030 :     AttachDomainMetadata(GDALDataset::ToHandle(poVDS),
    1750        2030 :                          psOptions->aosDomainMetadataOptions);
    1751             : 
    1752             :     const char *pszInterleave =
    1753        2030 :         poSrcDS->GetMetadataItem("INTERLEAVE", "IMAGE_STRUCTURE");
    1754        2030 :     if (pszInterleave)
    1755        1827 :         poVDS->SetMetadataItem("INTERLEAVE", pszInterleave, "IMAGE_STRUCTURE");
    1756             : 
    1757             :     {
    1758             :         const char *pszCompression =
    1759        2030 :             poSrcDS->GetMetadataItem("COMPRESSION", "IMAGE_STRUCTURE");
    1760        2030 :         if (pszCompression)
    1761             :         {
    1762          57 :             poVDS->SetMetadataItem("COMPRESSION", pszCompression,
    1763          57 :                                    "IMAGE_STRUCTURE");
    1764             :         }
    1765             :     }
    1766             : 
    1767             :     /* ISIS3 metadata preservation */
    1768        2030 :     CSLConstList papszMD_ISIS3 = poSrcDS->GetMetadata("json:ISIS3");
    1769        2030 :     if (papszMD_ISIS3 != nullptr && papszMD_ISIS3[0])
    1770             :     {
    1771           8 :         std::string osJSON = papszMD_ISIS3[0];
    1772           4 :         if (!bAllBandsInOrder)
    1773             :         {
    1774           2 :             osJSON = EditISIS3MetadataForBandChange(
    1775           2 :                 osJSON.c_str(), poSrcDS->GetRasterCount(), psOptions.get());
    1776             :         }
    1777           4 :         if (!bSpatialArrangementPreserved || bValuesChanged)
    1778             :         {
    1779           4 :             osJSON = EditISIS3ForMetadataChanges(
    1780           4 :                 osJSON.c_str(), bKeepExtent, bKeepResolution, psOptions.get());
    1781             :         }
    1782           4 :         if (!osJSON.empty())
    1783             :         {
    1784           4 :             char *apszMD[] = {osJSON.data(), nullptr};
    1785           4 :             poVDS->SetMetadata(apszMD, "json:ISIS3");
    1786             :         }
    1787             :     }
    1788             : 
    1789             :     // PDS4 -> PDS4 special case
    1790        2030 :     if (EQUAL(psOptions->osFormat.c_str(), "PDS4"))
    1791             :     {
    1792           3 :         CSLConstList papszMD_PDS4 = poSrcDS->GetMetadata("xml:PDS4");
    1793           3 :         if (papszMD_PDS4 != nullptr)
    1794           2 :             poVDS->SetMetadata(papszMD_PDS4, "xml:PDS4");
    1795             :     }
    1796             : 
    1797             :     // VICAR -> VICAR special case
    1798        2030 :     if (EQUAL(psOptions->osFormat.c_str(), "VICAR"))
    1799             :     {
    1800           0 :         CSLConstList papszMD_VICAR = poSrcDS->GetMetadata("json:VICAR");
    1801           0 :         if (papszMD_VICAR != nullptr)
    1802           0 :             poVDS->SetMetadata(papszMD_VICAR, "json:VICAR");
    1803             :     }
    1804             : 
    1805             :     // Copy XMP metadata
    1806        2030 :     if (!psOptions->bNoXMP)
    1807             :     {
    1808        2028 :         CSLConstList papszXMP = poSrcDS->GetMetadata("xml:XMP");
    1809        2028 :         if (papszXMP != nullptr && *papszXMP != nullptr)
    1810             :         {
    1811           1 :             poVDS->SetMetadata(papszXMP, "xml:XMP");
    1812             :         }
    1813             :     }
    1814             : 
    1815             :     /* -------------------------------------------------------------------- */
    1816             :     /*      Transfer metadata that remains valid if the spatial             */
    1817             :     /*      arrangement of the data is unaltered.                           */
    1818             :     /* -------------------------------------------------------------------- */
    1819        2030 :     if (bSpatialArrangementPreserved)
    1820             :     {
    1821         606 :         CSLConstList papszMD = poSrcDS->GetMetadata("RPC");
    1822         606 :         if (papszMD != nullptr)
    1823           2 :             poVDS->SetMetadata(papszMD, "RPC");
    1824             : 
    1825         606 :         papszMD = poSrcDS->GetMetadata("GEOLOCATION");
    1826         606 :         if (papszMD != nullptr)
    1827           1 :             poVDS->SetMetadata(papszMD, "GEOLOCATION");
    1828             :     }
    1829             :     else
    1830             :     {
    1831        2848 :         CPLStringList aosMD(poSrcDSOri->GetMetadata("RPC"));
    1832        1424 :         if (!aosMD.empty())
    1833             :         {
    1834             :             double dfSAMP_OFF =
    1835           2 :                 CPLAtof(aosMD.FetchNameValueDef("SAMP_OFF", "0"));
    1836             :             double dfLINE_OFF =
    1837           2 :                 CPLAtof(aosMD.FetchNameValueDef("LINE_OFF", "0"));
    1838             :             double dfSAMP_SCALE =
    1839           2 :                 CPLAtof(aosMD.FetchNameValueDef("SAMP_SCALE", "1"));
    1840             :             double dfLINE_SCALE =
    1841           2 :                 CPLAtof(aosMD.FetchNameValueDef("LINE_SCALE", "1"));
    1842             : 
    1843           2 :             dfSAMP_OFF -= srcWinOri.dfXOff;
    1844           2 :             dfLINE_OFF -= srcWinOri.dfYOff;
    1845             : 
    1846           2 :             const double df2 = srcWinOri.dfXSize;
    1847           2 :             const double df3 = srcWinOri.dfYSize;
    1848           2 :             const double dfXRatio = nOXSize / df2;
    1849           2 :             const double dfYRatio = nOYSize / df3;
    1850             : 
    1851             :             // For line offset and pixel offset, we need to convert from RPC
    1852             :             // pixel center registration convention to GDAL pixel top-left corner
    1853             :             // registration convention by adding an initial 0.5 shift, and un-apply
    1854             :             // it after scaling.
    1855             : 
    1856           2 :             dfSAMP_OFF += 0.5;
    1857           2 :             dfSAMP_OFF *= dfXRatio;
    1858           2 :             dfSAMP_OFF -= 0.5;
    1859             : 
    1860           2 :             dfLINE_OFF += 0.5;
    1861           2 :             dfLINE_OFF *= dfYRatio;
    1862           2 :             dfLINE_OFF -= 0.5;
    1863             : 
    1864           2 :             dfSAMP_SCALE *= dfXRatio;
    1865           2 :             dfLINE_SCALE *= dfYRatio;
    1866             : 
    1867           4 :             CPLString osField;
    1868           2 :             osField.Printf("%.15g", dfLINE_OFF);
    1869           2 :             aosMD.SetNameValue("LINE_OFF", osField);
    1870             : 
    1871           2 :             osField.Printf("%.15g", dfSAMP_OFF);
    1872           2 :             aosMD.SetNameValue("SAMP_OFF", osField);
    1873             : 
    1874           2 :             osField.Printf("%.15g", dfLINE_SCALE);
    1875           2 :             aosMD.SetNameValue("LINE_SCALE", osField);
    1876             : 
    1877           2 :             osField.Printf("%.15g", dfSAMP_SCALE);
    1878           2 :             aosMD.SetNameValue("SAMP_SCALE", osField);
    1879             : 
    1880           2 :             poVDS->SetMetadata(aosMD.List(), "RPC");
    1881             :         }
    1882             :     }
    1883             : 
    1884        2030 :     const int nSrcBandCount = psOptions->nBandCount;
    1885             : 
    1886        2030 :     if (psOptions->nRGBExpand != 0)
    1887             :     {
    1888             :         GDALRasterBand *poSrcBand =
    1889          29 :             poSrcDS->GetRasterBand(std::abs(psOptions->anBandList[0]));
    1890          29 :         if (psOptions->anBandList[0] < 0)
    1891           0 :             poSrcBand = poSrcBand->GetMaskBand();
    1892          29 :         GDALColorTable *poColorTable = poSrcBand->GetColorTable();
    1893          29 :         if (poColorTable == nullptr)
    1894             :         {
    1895           0 :             CPLError(CE_Failure, CPLE_AppDefined,
    1896             :                      "Error : band %d has no color table",
    1897           0 :                      std::abs(psOptions->anBandList[0]));
    1898           0 :             GDALClose(poVDS);
    1899           0 :             return nullptr;
    1900             :         }
    1901             : 
    1902             :         /* Check that the color table only contains gray levels */
    1903             :         /* when using -expand gray */
    1904          29 :         if (psOptions->nRGBExpand == 1)
    1905             :         {
    1906           1 :             int nColorCount = poColorTable->GetColorEntryCount();
    1907           3 :             for (int nColor = 0; nColor < nColorCount; nColor++)
    1908             :             {
    1909             :                 const GDALColorEntry *poEntry =
    1910           2 :                     poColorTable->GetColorEntry(nColor);
    1911           2 :                 if (poEntry->c1 != poEntry->c2 || poEntry->c1 != poEntry->c3)
    1912             :                 {
    1913           0 :                     CPLError(CE_Warning, CPLE_AppDefined,
    1914             :                              "Warning : color table contains non gray levels "
    1915             :                              "colors");
    1916           0 :                     break;
    1917             :                 }
    1918             :             }
    1919             :         }
    1920             : 
    1921          29 :         if (psOptions->nBandCount == 1)
    1922             :         {
    1923          28 :             psOptions->nBandCount = psOptions->nRGBExpand;
    1924             :         }
    1925           2 :         else if (psOptions->nBandCount == 2 &&
    1926           1 :                  (psOptions->nRGBExpand == 3 || psOptions->nRGBExpand == 4))
    1927             :         {
    1928           1 :             psOptions->nBandCount = psOptions->nRGBExpand;
    1929             :         }
    1930             :         else
    1931             :         {
    1932           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
    1933             :                      "Error : invalid use of -expand option.");
    1934           0 :             GDALClose(poVDS);
    1935           0 :             return nullptr;
    1936             :         }
    1937             :     }
    1938             : 
    1939             :     // Can be set to TRUE in the band loop too
    1940        1942 :     bool bFilterOutStatsMetadata = bValuesChanged ||
    1941        2564 :                                    !bSpatialArrangementPreserved ||
    1942         534 :                                    psOptions->nRGBExpand != 0;
    1943             : 
    1944        2030 :     if (static_cast<int>(psOptions->anColorInterp.size()) >
    1945        2030 :         psOptions->nBandCount)
    1946             :     {
    1947           1 :         CPLError(CE_Warning, CPLE_AppDefined,
    1948             :                  "More bands defined in -colorinterp than output bands");
    1949             :     }
    1950             : 
    1951             :     /* ==================================================================== */
    1952             :     /*      Process all bands.                                              */
    1953             :     /* ==================================================================== */
    1954        2030 :     GDALDataType eOutputType = psOptions->eOutputType;
    1955             : 
    1956        6818 :     for (int i = 0; i < psOptions->nBandCount; i++)
    1957             :     {
    1958        4789 :         int nComponent = 0;
    1959        4789 :         int nSrcBand = 0;
    1960             : 
    1961        4789 :         if (psOptions->nRGBExpand != 0)
    1962             :         {
    1963          97 :             if (nSrcBandCount == 2 && psOptions->nRGBExpand == 4 && i == 3)
    1964           1 :                 nSrcBand = psOptions->anBandList[1];
    1965             :             else
    1966             :             {
    1967          96 :                 nSrcBand = psOptions->anBandList[0];
    1968          96 :                 nComponent = i + 1;
    1969             :             }
    1970             :         }
    1971             :         else
    1972             :         {
    1973        4692 :             nSrcBand = psOptions->anBandList[i];
    1974             :         }
    1975             : 
    1976        4789 :         GDALRasterBand *poSrcBand = poSrcDS->GetRasterBand(std::abs(nSrcBand));
    1977             : 
    1978             :         /* --------------------------------------------------------------------
    1979             :          */
    1980             :         /*      Select output data type to match source. */
    1981             :         /* --------------------------------------------------------------------
    1982             :          */
    1983             :         GDALRasterBand *poRealSrcBand =
    1984        4789 :             (nSrcBand < 0) ? poSrcBand->GetMaskBand() : poSrcBand;
    1985             :         GDALDataType eBandType;
    1986        4789 :         if (eOutputType == GDT_Unknown)
    1987             :         {
    1988        4128 :             eBandType = poRealSrcBand->GetRasterDataType();
    1989        4128 :             if (eBandType != GDT_UInt8 && psOptions->nRGBExpand != 0)
    1990             :             {
    1991             :                 // Use case of https://github.com/OSGeo/gdal/issues/9402
    1992           5 :                 if (const auto poColorTable = poRealSrcBand->GetColorTable())
    1993             :                 {
    1994           5 :                     bool bIn0To255Range = true;
    1995           5 :                     const int nColorCount = poColorTable->GetColorEntryCount();
    1996           6 :                     for (int nColor = 0; nColor < nColorCount; nColor++)
    1997             :                     {
    1998             :                         const GDALColorEntry *poEntry =
    1999           5 :                             poColorTable->GetColorEntry(nColor);
    2000           5 :                         if (poEntry->c1 > 255 || poEntry->c2 > 255 ||
    2001           3 :                             poEntry->c3 > 255 || poEntry->c4 > 255)
    2002             :                         {
    2003           4 :                             bIn0To255Range = false;
    2004           4 :                             break;
    2005             :                         }
    2006             :                     }
    2007           5 :                     if (bIn0To255Range)
    2008             :                     {
    2009           1 :                         if (!psOptions->bQuiet)
    2010             :                         {
    2011           1 :                             CPLError(CE_Warning, CPLE_AppDefined,
    2012             :                                      "Using Byte output data type due to range "
    2013             :                                      "of values in color table");
    2014             :                         }
    2015           1 :                         eBandType = GDT_UInt8;
    2016             :                     }
    2017             :                 }
    2018           5 :                 eOutputType = eBandType;
    2019             :             }
    2020             :         }
    2021             :         else
    2022             :         {
    2023         661 :             eBandType = eOutputType;
    2024             : 
    2025             :             // Check that we can copy existing statistics
    2026         661 :             GDALDataType eSrcBandType = poRealSrcBand->GetRasterDataType();
    2027             :             const char *pszMin =
    2028         661 :                 poRealSrcBand->GetMetadataItem("STATISTICS_MINIMUM");
    2029             :             const char *pszMax =
    2030         661 :                 poRealSrcBand->GetMetadataItem("STATISTICS_MAXIMUM");
    2031         661 :             if (!bFilterOutStatsMetadata && eBandType != eSrcBandType &&
    2032           4 :                 pszMin != nullptr && pszMax != nullptr)
    2033             :             {
    2034             :                 const bool bSrcIsInteger =
    2035           8 :                     CPL_TO_BOOL(GDALDataTypeIsInteger(eSrcBandType) &&
    2036           4 :                                 !GDALDataTypeIsComplex(eSrcBandType));
    2037             :                 const bool bDstIsInteger =
    2038           7 :                     CPL_TO_BOOL(GDALDataTypeIsInteger(eBandType) &&
    2039           3 :                                 !GDALDataTypeIsComplex(eBandType));
    2040           4 :                 if (bSrcIsInteger && bDstIsInteger)
    2041             :                 {
    2042           3 :                     std::int64_t nDstMin = 0;
    2043           3 :                     std::uint64_t nDstMax = 0;
    2044           3 :                     switch (eBandType)
    2045             :                     {
    2046           1 :                         case GDT_UInt8:
    2047           1 :                             nDstMin = std::numeric_limits<std::uint8_t>::min();
    2048           1 :                             nDstMax = std::numeric_limits<std::uint8_t>::max();
    2049           1 :                             break;
    2050           0 :                         case GDT_Int8:
    2051           0 :                             nDstMin = std::numeric_limits<std::int8_t>::min();
    2052           0 :                             nDstMax = std::numeric_limits<std::int8_t>::max();
    2053           0 :                             break;
    2054           2 :                         case GDT_UInt16:
    2055           2 :                             nDstMin = std::numeric_limits<std::uint16_t>::min();
    2056           2 :                             nDstMax = std::numeric_limits<std::uint16_t>::max();
    2057           2 :                             break;
    2058           0 :                         case GDT_Int16:
    2059           0 :                             nDstMin = std::numeric_limits<std::int16_t>::min();
    2060           0 :                             nDstMax = std::numeric_limits<std::int16_t>::max();
    2061           0 :                             break;
    2062           0 :                         case GDT_UInt32:
    2063           0 :                             nDstMin = std::numeric_limits<std::uint32_t>::min();
    2064           0 :                             nDstMax = std::numeric_limits<std::uint32_t>::max();
    2065           0 :                             break;
    2066           0 :                         case GDT_Int32:
    2067           0 :                             nDstMin = std::numeric_limits<std::int32_t>::min();
    2068           0 :                             nDstMax = std::numeric_limits<std::int32_t>::max();
    2069           0 :                             break;
    2070           0 :                         case GDT_UInt64:
    2071           0 :                             nDstMin = std::numeric_limits<std::uint64_t>::min();
    2072           0 :                             nDstMax = std::numeric_limits<std::uint64_t>::max();
    2073           0 :                             break;
    2074           0 :                         case GDT_Int64:
    2075           0 :                             nDstMin = std::numeric_limits<std::int64_t>::min();
    2076           0 :                             nDstMax = std::numeric_limits<std::int64_t>::max();
    2077           0 :                             break;
    2078           0 :                         default:
    2079           0 :                             CPLAssert(false);
    2080             :                             break;
    2081             :                     }
    2082             : 
    2083             :                     try
    2084             :                     {
    2085           3 :                         const auto nMin = std::stoll(pszMin);
    2086           3 :                         const auto nMax = std::stoull(pszMax);
    2087           3 :                         if (nMin < nDstMin || nMax > nDstMax)
    2088           1 :                             bFilterOutStatsMetadata = true;
    2089             :                     }
    2090           0 :                     catch (const std::exception &)
    2091             :                     {
    2092           3 :                     }
    2093             :                 }
    2094             :                 // Float64 is large enough to hold all integer <= 32 bit or
    2095             :                 // float32 values there might be other OK cases, but ere on safe
    2096             :                 // side for now
    2097           1 :                 else if (!((bSrcIsInteger || eSrcBandType == GDT_Float32) &&
    2098             :                            eBandType == GDT_Float64))
    2099             :                 {
    2100           0 :                     bFilterOutStatsMetadata = true;
    2101             :                 }
    2102             :             }
    2103             :         }
    2104             : 
    2105             :         /* --------------------------------------------------------------------
    2106             :          */
    2107             :         /*      Create this band. */
    2108             :         /* --------------------------------------------------------------------
    2109             :          */
    2110        4789 :         CPLStringList aosAddBandOptions;
    2111             :         int nSrcBlockXSize, nSrcBlockYSize;
    2112        4789 :         poSrcBand->GetBlockSize(&nSrcBlockXSize, &nSrcBlockYSize);
    2113        4287 :         if (bKeepResolution &&
    2114        9076 :             (fmod(psOptions->srcWin.dfXOff, nSrcBlockXSize)) == 0 &&
    2115        1798 :             (fmod(psOptions->srcWin.dfYOff, nSrcBlockYSize)) == 0)
    2116             :         {
    2117             :             aosAddBandOptions.SetNameValue("BLOCKXSIZE",
    2118        1390 :                                            CPLSPrintf("%d", nSrcBlockXSize));
    2119             :             aosAddBandOptions.SetNameValue("BLOCKYSIZE",
    2120        1390 :                                            CPLSPrintf("%d", nSrcBlockYSize));
    2121             :         }
    2122             :         const char *pszBlockXSize =
    2123        4789 :             psOptions->aosCreateOptions.FetchNameValue("BLOCKXSIZE");
    2124        4789 :         if (pszBlockXSize)
    2125          58 :             aosAddBandOptions.SetNameValue("BLOCKXSIZE", pszBlockXSize);
    2126             :         const char *pszBlockYSize =
    2127        4789 :             psOptions->aosCreateOptions.FetchNameValue("BLOCKYSIZE");
    2128        4789 :         if (pszBlockYSize)
    2129          76 :             aosAddBandOptions.SetNameValue("BLOCKYSIZE", pszBlockYSize);
    2130        4789 :         poVDS->AddBand(eBandType, aosAddBandOptions.List());
    2131             :         VRTSourcedRasterBand *poVRTBand =
    2132        4789 :             static_cast<VRTSourcedRasterBand *>(poVDS->GetRasterBand(i + 1));
    2133             : 
    2134        4789 :         if (nSrcBand < 0)
    2135             :         {
    2136          16 :             poVRTBand->AddMaskBandSource(
    2137          16 :                 poSrcBand, psOptions->srcWin.dfXOff, psOptions->srcWin.dfYOff,
    2138          16 :                 psOptions->srcWin.dfXSize, psOptions->srcWin.dfYSize,
    2139             :                 dstWin.dfXOff, dstWin.dfYOff, dstWin.dfXSize, dstWin.dfYSize);
    2140             : 
    2141          16 :             poVRTBand->SetColorInterpretation(GCI_AlphaBand);
    2142             : 
    2143             :             // Color interpretation override
    2144          16 :             if (!psOptions->anColorInterp.empty())
    2145             :             {
    2146          18 :                 if (i < static_cast<int>(psOptions->anColorInterp.size()) &&
    2147           9 :                     psOptions->anColorInterp[i] >= 0)
    2148             :                 {
    2149           9 :                     poVRTBand->SetColorInterpretation(
    2150             :                         static_cast<GDALColorInterp>(
    2151           9 :                             psOptions->anColorInterp[i]));
    2152             :                 }
    2153             :             }
    2154             : 
    2155          16 :             continue;
    2156             :         }
    2157             : 
    2158             :         // Preserve NBITS if no option change values
    2159             :         const char *pszNBits =
    2160        4773 :             poSrcBand->GetMetadataItem("NBITS", "IMAGE_STRUCTURE");
    2161          27 :         if (pszNBits && psOptions->nRGBExpand == 0 &&
    2162          26 :             psOptions->asScaleParams.empty() && !psOptions->bUnscale &&
    2163        4800 :             psOptions->eOutputType == GDT_Unknown &&
    2164          13 :             psOptions->osResampling.empty())
    2165             :         {
    2166           1 :             poVRTBand->SetMetadataItem("NBITS", pszNBits, "IMAGE_STRUCTURE");
    2167             :         }
    2168             : 
    2169             :         // Preserve PIXELTYPE if no option change values
    2170        4773 :         if (poSrcBand->GetRasterDataType() == GDT_UInt8 &&
    2171        4518 :             psOptions->nRGBExpand == 0 && psOptions->asScaleParams.empty() &&
    2172       13142 :             !psOptions->bUnscale && psOptions->eOutputType == GDT_Unknown &&
    2173        3851 :             psOptions->osResampling.empty())
    2174             :         {
    2175        3682 :             poSrcBand->EnablePixelTypeSignedByteWarning(false);
    2176             :             const char *pszPixelType =
    2177        3682 :                 poSrcBand->GetMetadataItem("PIXELTYPE", "IMAGE_STRUCTURE");
    2178        3682 :             poSrcBand->EnablePixelTypeSignedByteWarning(true);
    2179        3682 :             if (pszPixelType)
    2180             :             {
    2181           1 :                 poVRTBand->SetMetadataItem("PIXELTYPE", pszPixelType,
    2182           1 :                                            "IMAGE_STRUCTURE");
    2183             :             }
    2184             :         }
    2185             : 
    2186             :         const char *pszCompression =
    2187        4773 :             poSrcBand->GetMetadataItem("COMPRESSION", "IMAGE_STRUCTURE");
    2188        4773 :         if (pszCompression)
    2189             :         {
    2190           9 :             poVRTBand->SetMetadataItem("COMPRESSION", pszCompression,
    2191           9 :                                        "IMAGE_STRUCTURE");
    2192             :         }
    2193             : 
    2194             :         /* --------------------------------------------------------------------
    2195             :          */
    2196             :         /*      Do we need to collect scaling information? */
    2197             :         /* --------------------------------------------------------------------
    2198             :          */
    2199        4773 :         double dfScale = 1.0;
    2200        4773 :         double dfOffset = 0.0;
    2201        4773 :         bool bScale = false;
    2202        4773 :         double dfScaleSrcMin = std::numeric_limits<double>::quiet_NaN();
    2203        4773 :         double dfScaleSrcMax = std::numeric_limits<double>::quiet_NaN();
    2204        4773 :         double dfScaleDstMin = std::numeric_limits<double>::quiet_NaN();
    2205        4773 :         double dfScaleDstMax = std::numeric_limits<double>::quiet_NaN();
    2206        4773 :         bool bExponentScaling = false;
    2207        4773 :         double dfExponent = 0.0;
    2208             : 
    2209        4855 :         if (i < static_cast<int>(psOptions->asScaleParams.size()) &&
    2210          82 :             psOptions->asScaleParams[i].bScale)
    2211             :         {
    2212          71 :             bScale = psOptions->asScaleParams[i].bScale;
    2213          71 :             dfScaleSrcMin = psOptions->asScaleParams[i].dfScaleSrcMin;
    2214          71 :             dfScaleSrcMax = psOptions->asScaleParams[i].dfScaleSrcMax;
    2215          71 :             dfScaleDstMin = psOptions->asScaleParams[i].dfScaleDstMin;
    2216          71 :             dfScaleDstMax = psOptions->asScaleParams[i].dfScaleDstMax;
    2217             :         }
    2218        4741 :         else if (psOptions->asScaleParams.size() == 1 &&
    2219          39 :                  !psOptions->bHasUsedExplicitScaleBand)
    2220             :         {
    2221          38 :             bScale = psOptions->asScaleParams[0].bScale;
    2222          38 :             dfScaleSrcMin = psOptions->asScaleParams[0].dfScaleSrcMin;
    2223          38 :             dfScaleSrcMax = psOptions->asScaleParams[0].dfScaleSrcMax;
    2224          38 :             dfScaleDstMin = psOptions->asScaleParams[0].dfScaleDstMin;
    2225          38 :             dfScaleDstMax = psOptions->asScaleParams[0].dfScaleDstMax;
    2226             :         }
    2227             : 
    2228        4800 :         if (i < static_cast<int>(psOptions->adfExponent.size()) &&
    2229          27 :             psOptions->adfExponent[i] != 0.0)
    2230             :         {
    2231          24 :             bExponentScaling = TRUE;
    2232          24 :             dfExponent = psOptions->adfExponent[i];
    2233             :         }
    2234        4753 :         else if (psOptions->adfExponent.size() == 1 &&
    2235           4 :                  !psOptions->bHasUsedExplicitExponentBand)
    2236             :         {
    2237           3 :             bExponentScaling = TRUE;
    2238           3 :             dfExponent = psOptions->adfExponent[0];
    2239             :         }
    2240             : 
    2241        4773 :         if (bExponentScaling && !bScale)
    2242             :         {
    2243           1 :             CPLError(CE_Failure, CPLE_IllegalArg,
    2244             :                      "For band %d, -scale should be specified when -exponent "
    2245             :                      "is specified.",
    2246             :                      i + 1);
    2247           1 :             if (pbUsageError)
    2248           0 :                 *pbUsageError = TRUE;
    2249           1 :             delete poVDS;
    2250           1 :             poSrcDS->Release();
    2251           1 :             return nullptr;
    2252             :         }
    2253             : 
    2254        4772 :         if (bScale && std::isnan(dfScaleSrcMin))
    2255             :         {
    2256          13 :             double adfCMinMax[2] = {};
    2257          13 :             GDALComputeRasterMinMax(poSrcBand, TRUE, adfCMinMax);
    2258          13 :             dfScaleSrcMin = adfCMinMax[0];
    2259          13 :             dfScaleSrcMax = adfCMinMax[1];
    2260             :         }
    2261             : 
    2262        4772 :         if (bScale)
    2263             :         {
    2264             :             /* To avoid a divide by zero */
    2265         109 :             if (dfScaleSrcMax == dfScaleSrcMin)
    2266           0 :                 dfScaleSrcMax += 0.1;
    2267             : 
    2268             :             // Can still occur for very big values
    2269         109 :             if (dfScaleSrcMax == dfScaleSrcMin)
    2270             :             {
    2271           0 :                 CPLError(CE_Failure, CPLE_AppDefined,
    2272             :                          "-scale cannot be applied due to source "
    2273             :                          "minimum and maximum being equal");
    2274           0 :                 delete poVDS;
    2275           0 :                 poSrcDS->Release();
    2276           0 :                 return nullptr;
    2277             :             }
    2278             : 
    2279         109 :             if (std::isnan(dfScaleDstMin))
    2280             :             {
    2281          16 :                 switch (poVRTBand->GetRasterDataType())
    2282             :                 {
    2283           5 :                     case GDT_UInt8:
    2284           5 :                         dfScaleDstMin = std::numeric_limits<uint8_t>::lowest();
    2285           5 :                         dfScaleDstMax = std::numeric_limits<uint8_t>::max();
    2286           5 :                         break;
    2287           1 :                     case GDT_Int8:
    2288           1 :                         dfScaleDstMin = std::numeric_limits<int8_t>::lowest();
    2289           1 :                         dfScaleDstMax = std::numeric_limits<int8_t>::max();
    2290           1 :                         break;
    2291           1 :                     case GDT_UInt16:
    2292           1 :                         dfScaleDstMin = std::numeric_limits<uint16_t>::lowest();
    2293           1 :                         dfScaleDstMax = std::numeric_limits<uint16_t>::max();
    2294           1 :                         break;
    2295           1 :                     case GDT_Int16:
    2296             :                     case GDT_CInt16:
    2297           1 :                         dfScaleDstMin = std::numeric_limits<int16_t>::lowest();
    2298           1 :                         dfScaleDstMax = std::numeric_limits<int16_t>::max();
    2299           1 :                         break;
    2300           1 :                     case GDT_UInt32:
    2301           1 :                         dfScaleDstMin = std::numeric_limits<uint32_t>::lowest();
    2302           1 :                         dfScaleDstMax = std::numeric_limits<uint32_t>::max();
    2303           1 :                         break;
    2304           1 :                     case GDT_Int32:
    2305             :                     case GDT_CInt32:
    2306           1 :                         dfScaleDstMin = std::numeric_limits<int32_t>::lowest();
    2307           1 :                         dfScaleDstMax = std::numeric_limits<int32_t>::max();
    2308           1 :                         break;
    2309           1 :                     case GDT_UInt64:
    2310           1 :                         dfScaleDstMin = static_cast<double>(
    2311           1 :                             std::numeric_limits<uint64_t>::lowest());
    2312           1 :                         dfScaleDstMax = static_cast<double>(
    2313           1 :                             std::numeric_limits<uint64_t>::max() - 2048);
    2314           1 :                         break;
    2315           1 :                     case GDT_Int64:
    2316           1 :                         dfScaleDstMin = static_cast<double>(
    2317           1 :                             std::numeric_limits<int64_t>::lowest() + 1024);
    2318           1 :                         dfScaleDstMax = static_cast<double>(
    2319           1 :                             std::numeric_limits<int64_t>::max() - 2048);
    2320           1 :                         break;
    2321           4 :                     case GDT_Float16:
    2322             :                     case GDT_Float32:
    2323             :                     case GDT_Float64:
    2324             :                     case GDT_CFloat16:
    2325             :                     case GDT_CFloat32:
    2326             :                     case GDT_CFloat64:
    2327             :                     case GDT_Unknown:
    2328             :                     case GDT_TypeCount:
    2329           4 :                         dfScaleDstMin = 0;
    2330           4 :                         dfScaleDstMax = 1;
    2331           4 :                         break;
    2332             :                 }
    2333             :             }
    2334             : 
    2335         109 :             if (!bExponentScaling)
    2336             :             {
    2337          83 :                 dfScale = (dfScaleDstMax - dfScaleDstMin) /
    2338          83 :                           (dfScaleSrcMax - dfScaleSrcMin);
    2339          83 :                 dfOffset = -1 * dfScaleSrcMin * dfScale + dfScaleDstMin;
    2340             :             }
    2341             :         }
    2342             : 
    2343        4772 :         if (psOptions->bUnscale)
    2344             :         {
    2345          25 :             dfScale = poSrcBand->GetScale();
    2346          25 :             dfOffset = poSrcBand->GetOffset();
    2347             :         }
    2348             : 
    2349             :         /* --------------------------------------------------------------------
    2350             :          */
    2351             :         /*      Create a simple or complex data source depending on the */
    2352             :         /*      translation type required. */
    2353             :         /* --------------------------------------------------------------------
    2354             :          */
    2355        4772 :         std::unique_ptr<VRTSimpleSource> poSimpleSource;
    2356        9410 :         if (psOptions->bUnscale || bScale ||
    2357        4638 :             (psOptions->nRGBExpand != 0 && i < psOptions->nRGBExpand))
    2358             :         {
    2359         462 :             auto poComplexSource = std::make_unique<VRTComplexSource>();
    2360             : 
    2361             :             /* --------------------------------------------------------------------
    2362             :              */
    2363             :             /*      Set complex parameters. */
    2364             :             /* --------------------------------------------------------------------
    2365             :              */
    2366             : 
    2367         231 :             if (dfOffset != 0.0 || dfScale != 1.0)
    2368             :             {
    2369          99 :                 poComplexSource->SetLinearScaling(dfOffset, dfScale);
    2370             :             }
    2371         132 :             else if (bExponentScaling)
    2372             :             {
    2373          26 :                 poComplexSource->SetPowerScaling(
    2374             :                     dfExponent, dfScaleSrcMin, dfScaleSrcMax, dfScaleDstMin,
    2375          26 :                     dfScaleDstMax, !psOptions->bNoClip);
    2376             :             }
    2377             : 
    2378         231 :             poComplexSource->SetColorTableComponent(nComponent);
    2379             : 
    2380             :             int bSuccess;
    2381         231 :             double dfNoData = poSrcBand->GetNoDataValue(&bSuccess);
    2382         231 :             if (bSuccess)
    2383             :             {
    2384          20 :                 poComplexSource->SetNoDataValue(dfNoData);
    2385             :             }
    2386             : 
    2387         231 :             poSimpleSource = std::move(poComplexSource);
    2388             :         }
    2389             :         else
    2390             :         {
    2391        4541 :             poSimpleSource = std::make_unique<VRTSimpleSource>();
    2392             :         }
    2393             : 
    2394        4958 :         poSimpleSource->SetResampling(psOptions->osResampling.empty()
    2395             :                                           ? nullptr
    2396         186 :                                           : psOptions->osResampling.c_str());
    2397        4772 :         poVRTBand->ConfigureSource(
    2398        4772 :             poSimpleSource.get(), poSrcBand, FALSE, psOptions->srcWin.dfXOff,
    2399        4772 :             psOptions->srcWin.dfYOff, psOptions->srcWin.dfXSize,
    2400        4772 :             psOptions->srcWin.dfYSize, dstWin.dfXOff, dstWin.dfYOff,
    2401             :             dstWin.dfXSize, dstWin.dfYSize);
    2402             : 
    2403        4772 :         poVRTBand->AddSource(std::move(poSimpleSource));
    2404             : 
    2405             :         /* --------------------------------------------------------------------
    2406             :          */
    2407             :         /*      In case of color table translate, we only set the color */
    2408             :         /*      interpretation other info copied by CopyBandInfo are */
    2409             :         /*      not relevant in RGB expansion. */
    2410             :         /* --------------------------------------------------------------------
    2411             :          */
    2412        4772 :         if (psOptions->nRGBExpand == 1)
    2413             :         {
    2414           1 :             poVRTBand->SetColorInterpretation(GCI_GrayIndex);
    2415             :         }
    2416        4771 :         else if (psOptions->nRGBExpand != 0 && i < psOptions->nRGBExpand)
    2417             :         {
    2418          96 :             poVRTBand->SetColorInterpretation(
    2419          96 :                 static_cast<GDALColorInterp>(GCI_RedBand + i));
    2420             :         }
    2421             : 
    2422             :         /* --------------------------------------------------------------------
    2423             :          */
    2424             :         /*      copy over some other information of interest. */
    2425             :         /* --------------------------------------------------------------------
    2426             :          */
    2427             :         else
    2428             :         {
    2429        4675 :             CopyBandInfo(poSrcBand, poVRTBand,
    2430        4675 :                          !psOptions->bStats && !bFilterOutStatsMetadata,
    2431        9322 :                          !psOptions->bUnscale && !psOptions->bSetScale &&
    2432        4647 :                              !psOptions->bSetOffset,
    2433        4675 :                          !psOptions->bSetNoData && !psOptions->bUnsetNoData,
    2434        4675 :                          !psOptions->bNoRAT, psOptions.get());
    2435        9227 :             if (psOptions->asScaleParams.empty() &&
    2436        9227 :                 psOptions->adfExponent.empty() &&
    2437        4552 :                 EQUAL(psOptions->osFormat.c_str(), "GRIB"))
    2438             :             {
    2439           0 :                 CSLConstList papszMD_GRIB = poSrcBand->GetMetadata("GRIB");
    2440           0 :                 if (papszMD_GRIB != nullptr)
    2441           0 :                     poVRTBand->SetMetadata(papszMD_GRIB, "GRIB");
    2442             :             }
    2443             :         }
    2444             : 
    2445             :         // Color interpretation override
    2446        4772 :         if (!psOptions->anColorInterp.empty())
    2447             :         {
    2448         126 :             if (i < static_cast<int>(psOptions->anColorInterp.size()) &&
    2449          62 :                 psOptions->anColorInterp[i] >= 0)
    2450             :             {
    2451          37 :                 poVRTBand->SetColorInterpretation(
    2452          37 :                     static_cast<GDALColorInterp>(psOptions->anColorInterp[i]));
    2453             :             }
    2454             :         }
    2455             : 
    2456             :         /* --------------------------------------------------------------------
    2457             :          */
    2458             :         /*      Set a forcible nodata value? */
    2459             :         /* --------------------------------------------------------------------
    2460             :          */
    2461        4772 :         if (psOptions->bSetNoData)
    2462             :         {
    2463             :             const char *pszPixelType =
    2464          83 :                 psOptions->aosCreateOptions.FetchNameValue("PIXELTYPE");
    2465         165 :             if (pszPixelType == nullptr &&
    2466          82 :                 poVRTBand->GetRasterDataType() == GDT_UInt8)
    2467             :             {
    2468          32 :                 poVRTBand->EnablePixelTypeSignedByteWarning(false);
    2469             :                 pszPixelType =
    2470          32 :                     poVRTBand->GetMetadataItem("PIXELTYPE", "IMAGE_STRUCTURE");
    2471          32 :                 poVRTBand->EnablePixelTypeSignedByteWarning(true);
    2472             :             }
    2473             : 
    2474          83 :             bool bCannotBeExactlyRepresented = false;
    2475             : 
    2476          83 :             if (pszPixelType != nullptr && EQUAL(pszPixelType, "SIGNEDBYTE"))
    2477             :             {
    2478           2 :                 char *endptr = nullptr;
    2479             :                 const double dfVal =
    2480           2 :                     CPLStrtod(psOptions->osNoData.c_str(), &endptr);
    2481           2 :                 if (endptr == psOptions->osNoData.c_str() +
    2482           4 :                                   psOptions->osNoData.size() &&
    2483           6 :                     dfVal >= -128.0 && dfVal <= 127.0 &&
    2484           2 :                     static_cast<int8_t>(dfVal) == dfVal)
    2485             :                 {
    2486           2 :                     poVRTBand->SetNoDataValue(dfVal);
    2487             :                 }
    2488             :                 else
    2489             :                 {
    2490           0 :                     bCannotBeExactlyRepresented = true;
    2491           2 :                 }
    2492             :             }
    2493             :             else
    2494             :             {
    2495          81 :                 poVRTBand->SetNoDataValueAsString(psOptions->osNoData.c_str(),
    2496             :                                                   &bCannotBeExactlyRepresented);
    2497             :             }
    2498          83 :             if (bCannotBeExactlyRepresented)
    2499             :             {
    2500           4 :                 CPLError(CE_Warning, CPLE_AppDefined,
    2501             :                          "Nodata value was not set to output band, "
    2502             :                          "as it cannot be represented on its data type.");
    2503             :             }
    2504             :         }
    2505             : 
    2506        4772 :         if (psOptions->bSetScale)
    2507           4 :             poVRTBand->SetScale(psOptions->dfScale);
    2508             : 
    2509        4772 :         if (psOptions->bSetOffset)
    2510           5 :             poVRTBand->SetOffset(psOptions->dfOffset);
    2511             : 
    2512        4772 :         if (psOptions->eMaskMode == MASK_AUTO &&
    2513        4666 :             (poSrcDS->GetRasterBand(1)->GetMaskFlags() & GMF_PER_DATASET) ==
    2514        9438 :                 0 &&
    2515        4260 :             (poSrcBand->GetMaskFlags() & (GMF_ALL_VALID | GMF_NODATA)) == 0)
    2516             :         {
    2517           7 :             if (poVRTBand->CreateMaskBand(poSrcBand->GetMaskFlags()) == CE_None)
    2518             :             {
    2519             :                 VRTSourcedRasterBand *hMaskVRTBand =
    2520           7 :                     cpl::down_cast<VRTSourcedRasterBand *>(
    2521           7 :                         poVRTBand->GetMaskBand());
    2522           7 :                 hMaskVRTBand->AddMaskBandSource(
    2523           7 :                     poSrcBand, psOptions->srcWin.dfXOff,
    2524           7 :                     psOptions->srcWin.dfYOff, psOptions->srcWin.dfXSize,
    2525           7 :                     psOptions->srcWin.dfYSize, dstWin.dfXOff, dstWin.dfYOff,
    2526             :                     dstWin.dfXSize, dstWin.dfYSize);
    2527             :             }
    2528             :         }
    2529             :     }
    2530             : 
    2531        2029 :     if (psOptions->eMaskMode == MASK_USER)
    2532             :     {
    2533             :         GDALRasterBand *poSrcBand =
    2534          25 :             poSrcDS->GetRasterBand(std::abs(psOptions->nMaskBand));
    2535          25 :         if (poSrcBand && poVDS->CreateMaskBand(GMF_PER_DATASET) == CE_None)
    2536             :         {
    2537             :             VRTSourcedRasterBand *hMaskVRTBand =
    2538          25 :                 static_cast<VRTSourcedRasterBand *>(GDALGetMaskBand(
    2539             :                     GDALGetRasterBand(static_cast<GDALDataset *>(poVDS), 1)));
    2540          25 :             if (psOptions->nMaskBand > 0)
    2541          23 :                 hMaskVRTBand->AddSimpleSource(
    2542          23 :                     poSrcBand, psOptions->srcWin.dfXOff,
    2543          23 :                     psOptions->srcWin.dfYOff, psOptions->srcWin.dfXSize,
    2544          23 :                     psOptions->srcWin.dfYSize, dstWin.dfXOff, dstWin.dfYOff,
    2545             :                     dstWin.dfXSize, dstWin.dfYSize);
    2546             :             else
    2547           2 :                 hMaskVRTBand->AddMaskBandSource(
    2548           2 :                     poSrcBand, psOptions->srcWin.dfXOff,
    2549           2 :                     psOptions->srcWin.dfYOff, psOptions->srcWin.dfXSize,
    2550           2 :                     psOptions->srcWin.dfYSize, dstWin.dfXOff, dstWin.dfYOff,
    2551             :                     dstWin.dfXSize, dstWin.dfYSize);
    2552             :         }
    2553             :     }
    2554        3990 :     else if (psOptions->eMaskMode == MASK_AUTO && nSrcBandCount > 0 &&
    2555        1986 :              poSrcDS->GetRasterBand(1)->GetMaskFlags() == GMF_PER_DATASET)
    2556             :     {
    2557           4 :         if (poVDS->CreateMaskBand(GMF_PER_DATASET) == CE_None)
    2558             :         {
    2559             :             VRTSourcedRasterBand *hMaskVRTBand =
    2560           4 :                 static_cast<VRTSourcedRasterBand *>(GDALGetMaskBand(
    2561             :                     GDALGetRasterBand(static_cast<GDALDataset *>(poVDS), 1)));
    2562           4 :             hMaskVRTBand->AddMaskBandSource(
    2563           4 :                 poSrcDS->GetRasterBand(1), psOptions->srcWin.dfXOff,
    2564           4 :                 psOptions->srcWin.dfYOff, psOptions->srcWin.dfXSize,
    2565           4 :                 psOptions->srcWin.dfYSize, dstWin.dfXOff, dstWin.dfYOff,
    2566             :                 dstWin.dfXSize, dstWin.dfYSize);
    2567             :         }
    2568             :     }
    2569             : 
    2570             :     /* -------------------------------------------------------------------- */
    2571             :     /*      Compute stats if required.                                      */
    2572             :     /* -------------------------------------------------------------------- */
    2573        2029 :     if (psOptions->bStats && EQUAL(psOptions->osFormat.c_str(), "COG"))
    2574             :     {
    2575           0 :         psOptions->aosCreateOptions.SetNameValue("STATISTICS", "YES");
    2576             :     }
    2577        2029 :     else if (psOptions->bStats)
    2578             :     {
    2579           2 :         for (int i = 0; i < poVDS->GetRasterCount(); i++)
    2580             :         {
    2581             :             double dfMin, dfMax, dfMean, dfStdDev;
    2582           1 :             poVDS->GetRasterBand(i + 1)->ComputeStatistics(
    2583           1 :                 psOptions->bApproxStats, &dfMin, &dfMax, &dfMean, &dfStdDev,
    2584           1 :                 GDALDummyProgress, nullptr);
    2585             :         }
    2586             :     }
    2587             : 
    2588             :     /* -------------------------------------------------------------------- */
    2589             :     /*      Write to the output file using CopyCreate().                    */
    2590             :     /* -------------------------------------------------------------------- */
    2591        2564 :     if (EQUAL(psOptions->osFormat.c_str(), "VRT") &&
    2592         535 :         (psOptions->aosCreateOptions.empty() ||
    2593          17 :          (psOptions->aosCreateOptions.size() == 1 &&
    2594           5 :           psOptions->aosCreateOptions.FetchNameValue("BLOCKXSIZE")) ||
    2595          17 :          (psOptions->aosCreateOptions.size() == 1 &&
    2596           5 :           psOptions->aosCreateOptions.FetchNameValue("BLOCKYSIZE")) ||
    2597          12 :          (psOptions->aosCreateOptions.size() == 2 &&
    2598          12 :           psOptions->aosCreateOptions.FetchNameValue("BLOCKXSIZE") &&
    2599          12 :           psOptions->aosCreateOptions.FetchNameValue("BLOCKYSIZE"))))
    2600             :     {
    2601         535 :         poVDS->SetDescription(pszDest);
    2602         535 :         hOutDS = GDALDataset::ToHandle(poVDS);
    2603         535 :         if (!EQUAL(pszDest, ""))
    2604             :         {
    2605          29 :             hOutDS = GDALTranslateFlush(hOutDS);
    2606             :         }
    2607             :     }
    2608             :     else
    2609             :     {
    2610        1494 :         hOutDS = GDALCreateCopy(
    2611        1494 :             hDriver, pszDest, GDALDataset::ToHandle(poVDS), psOptions->bStrict,
    2612        1494 :             psOptions->aosCreateOptions.List(), psOptions->pfnProgress,
    2613        1494 :             psOptions->pProgressData);
    2614        1494 :         hOutDS = GDALTranslateFlush(hOutDS);
    2615             : 
    2616        1494 :         GDALClose(poVDS);
    2617             :     }
    2618             : 
    2619        2029 :     poSrcDS->Release();
    2620             : 
    2621        2029 :     return hOutDS;
    2622             : }
    2623             : 
    2624             : /************************************************************************/
    2625             : /*                           AttachMetadata()                           */
    2626             : /************************************************************************/
    2627             : 
    2628        2030 : static void AttachMetadata(GDALDatasetH hDS,
    2629             :                            const CPLStringList &aosMetadataOptions)
    2630             : 
    2631             : {
    2632          60 :     for (const auto &[pszKey, pszValue] :
    2633        2090 :          cpl::IterateNameValue(aosMetadataOptions))
    2634             :     {
    2635          30 :         GDALSetMetadataItem(hDS, pszKey, pszValue, nullptr);
    2636             :     }
    2637        2030 : }
    2638             : 
    2639             : /************************************************************************/
    2640             : /*                        AttachDomainMetadata()                        */
    2641             : /************************************************************************/
    2642             : 
    2643        2030 : static void AttachDomainMetadata(GDALDatasetH hDS,
    2644             :                                  const CPLStringList &aosDomainMetadataOptions)
    2645             : 
    2646             : {
    2647        2039 :     for (const char *pszStr : aosDomainMetadataOptions)
    2648             :     {
    2649             : 
    2650           9 :         char *pszKey = nullptr;
    2651           9 :         char *pszDomain = nullptr;
    2652             : 
    2653             :         // parse the DOMAIN:KEY=value, Remainder is KEY=value
    2654             :         const char *pszRemainder =
    2655           9 :             CPLParseNameValueSep(pszStr, &pszDomain, ':');
    2656             : 
    2657           9 :         if (pszDomain && pszRemainder)
    2658             :         {
    2659             : 
    2660             :             const char *pszValue =
    2661           8 :                 CPLParseNameValueSep(pszRemainder, &pszKey, '=');
    2662           8 :             if (pszKey && pszValue)
    2663             :             {
    2664           7 :                 GDALSetMetadataItem(hDS, pszKey, pszValue, pszDomain);
    2665             :             }
    2666             :         }
    2667           9 :         CPLFree(pszKey);
    2668             : 
    2669           9 :         CPLFree(pszDomain);
    2670             :     }
    2671        2030 : }
    2672             : 
    2673             : /************************************************************************/
    2674             : /*                            CopyBandInfo()                            */
    2675             : /************************************************************************/
    2676             : 
    2677             : /* A bit of a clone of VRTRasterBand::CopyCommonInfoFrom(), but we need */
    2678             : /* more and more custom behavior in the context of gdal_translate ... */
    2679             : 
    2680        4675 : static void CopyBandInfo(GDALRasterBand *poSrcBand, GDALRasterBand *poDstBand,
    2681             :                          int bCanCopyStatsMetadata, int bCopyScale,
    2682             :                          int bCopyNoData, bool bCopyRAT,
    2683             :                          const GDALTranslateOptions * /*psOptions*/)
    2684             : 
    2685             : {
    2686             : 
    2687        4675 :     if (bCanCopyStatsMetadata)
    2688             :     {
    2689         892 :         poDstBand->SetMetadata(poSrcBand->GetMetadata());
    2690         892 :         if (bCopyRAT)
    2691             :         {
    2692         891 :             poDstBand->SetDefaultRAT(poSrcBand->GetDefaultRAT());
    2693             :         }
    2694             :     }
    2695             :     else
    2696             :     {
    2697        3783 :         CSLConstList papszMetadata = poSrcBand->GetMetadata();
    2698        3783 :         char **papszMetadataNew = nullptr;
    2699        3872 :         for (int i = 0; papszMetadata != nullptr && papszMetadata[i] != nullptr;
    2700             :              i++)
    2701             :         {
    2702          89 :             if (!STARTS_WITH(papszMetadata[i], "STATISTICS_"))
    2703             :                 papszMetadataNew =
    2704          71 :                     CSLAddString(papszMetadataNew, papszMetadata[i]);
    2705             :         }
    2706        3783 :         poDstBand->SetMetadata(papszMetadataNew);
    2707        3783 :         CSLDestroy(papszMetadataNew);
    2708             : 
    2709             :         // we need to strip histogram data from the source RAT
    2710        3783 :         if (poSrcBand->GetDefaultRAT() && bCopyRAT)
    2711             :         {
    2712             :             GDALRasterAttributeTable *poNewRAT =
    2713           2 :                 poSrcBand->GetDefaultRAT()->Clone();
    2714             : 
    2715             :             // strip histogram data (as defined by the source RAT)
    2716           2 :             poNewRAT->RemoveStatistics();
    2717           2 :             if (poNewRAT->GetColumnCount())
    2718             :             {
    2719           1 :                 poDstBand->SetDefaultRAT(poNewRAT);
    2720             :             }
    2721             :             // since SetDefaultRAT copies the RAT data we need to delete our
    2722             :             // original
    2723           2 :             delete poNewRAT;
    2724             :         }
    2725             :     }
    2726             : 
    2727        4675 :     poDstBand->SetColorTable(poSrcBand->GetColorTable());
    2728        4675 :     poDstBand->SetColorInterpretation(poSrcBand->GetColorInterpretation());
    2729        4675 :     if (strlen(poSrcBand->GetDescription()) > 0)
    2730           7 :         poDstBand->SetDescription(poSrcBand->GetDescription());
    2731             : 
    2732        4675 :     if (bCopyNoData)
    2733             :     {
    2734        4586 :         int bSuccess = FALSE;
    2735        4586 :         CPL_IGNORE_RET_VAL(poSrcBand->GetNoDataValue(&bSuccess));
    2736        4586 :         if (bSuccess)
    2737             :         {
    2738         117 :             bool bCannotBeExactlyRepresented = false;
    2739         117 :             if (!GDALCopyNoDataValue(poDstBand, poSrcBand,
    2740         117 :                                      &bCannotBeExactlyRepresented) &&
    2741             :                 bCannotBeExactlyRepresented)
    2742             :             {
    2743           0 :                 CPLError(CE_Warning, CPLE_AppDefined,
    2744             :                          "Source nodata value was not copied to output band, "
    2745             :                          "as it cannot be represented on its data type.");
    2746             :             }
    2747             :         }
    2748             :     }
    2749             : 
    2750        4675 :     if (bCopyScale)
    2751             :     {
    2752        4644 :         poDstBand->SetOffset(poSrcBand->GetOffset());
    2753        4644 :         poDstBand->SetScale(poSrcBand->GetScale());
    2754             :     }
    2755             : 
    2756        4675 :     poDstBand->SetCategoryNames(poSrcBand->GetCategoryNames());
    2757             : 
    2758             :     // Copy unit only if the range of pixel values is not modified
    2759        5561 :     if (bCanCopyStatsMetadata && bCopyScale &&
    2760         886 :         !EQUAL(poSrcBand->GetUnitType(), ""))
    2761          24 :         poDstBand->SetUnitType(poSrcBand->GetUnitType());
    2762        4675 : }
    2763             : 
    2764             : /************************************************************************/
    2765             : /*                           GetColorInterp()                           */
    2766             : /************************************************************************/
    2767             : 
    2768          47 : static int GetColorInterp(const char *pszStr)
    2769             : {
    2770          47 :     if (EQUAL(pszStr, "undefined"))
    2771           5 :         return GCI_Undefined;
    2772          42 :     const int eInterp = GDALGetColorInterpretationByName(pszStr);
    2773          42 :     if (eInterp != GCI_Undefined)
    2774          41 :         return eInterp;
    2775           1 :     CPLError(CE_Warning, CPLE_NotSupported,
    2776             :              "Unsupported color interpretation: %s", pszStr);
    2777           1 :     return -1;
    2778             : }
    2779             : 
    2780             : /************************************************************************/
    2781             : /*                   GDALTranslateOptionsGetParser()                    */
    2782             : /************************************************************************/
    2783             : 
    2784             : static std::unique_ptr<GDALArgumentParser>
    2785        3268 : GDALTranslateOptionsGetParser(GDALTranslateOptions *psOptions,
    2786             :                               GDALTranslateOptionsForBinary *psOptionsForBinary)
    2787             : {
    2788             :     auto argParser = std::make_unique<GDALArgumentParser>(
    2789        3268 :         "gdal_translate", /* bForBinary=*/psOptionsForBinary != nullptr);
    2790             : 
    2791        3268 :     argParser->add_description(
    2792             :         _("Convert raster data between different formats, with potential "
    2793        3268 :           "subsetting, resampling, and rescaling pixels in the process."));
    2794             : 
    2795        3268 :     argParser->add_epilog(_("For more details, consult "
    2796        3268 :                             "https://gdal.org/programs/gdal_translate.html"));
    2797             : 
    2798        3268 :     argParser->add_output_type_argument(psOptions->eOutputType);
    2799             : 
    2800        3268 :     argParser->add_argument("-if")
    2801        3268 :         .append()
    2802        6536 :         .metavar("<format>")
    2803             :         .action(
    2804           6 :             [psOptionsForBinary](const std::string &s)
    2805             :             {
    2806           3 :                 if (psOptionsForBinary)
    2807             :                 {
    2808           3 :                     if (GDALGetDriverByName(s.c_str()) == nullptr)
    2809             :                     {
    2810           1 :                         CPLError(CE_Warning, CPLE_AppDefined,
    2811             :                                  "%s is not a recognized driver", s.c_str());
    2812             :                     }
    2813             :                     psOptionsForBinary->aosAllowedInputDrivers.AddString(
    2814           3 :                         s.c_str());
    2815             :                 }
    2816        3268 :             })
    2817        3268 :         .help(_("Format/driver name(s) to try when opening the input file."));
    2818             : 
    2819        3268 :     argParser->add_output_format_argument(psOptions->osFormat);
    2820             : 
    2821        3268 :     argParser->add_quiet_argument(&(psOptions->bQuiet));
    2822             : 
    2823        3268 :     argParser->add_argument("-b")
    2824        3268 :         .append()
    2825        6536 :         .metavar("<band>")
    2826             :         .action(
    2827        1340 :             [psOptions](const std::string &s)
    2828             :             {
    2829         654 :                 const char *pszBand = s.c_str();
    2830         654 :                 bool bMask = false;
    2831         654 :                 if (EQUAL(pszBand, "mask"))
    2832          16 :                     pszBand = "mask,1";
    2833         654 :                 if (STARTS_WITH_CI(pszBand, "mask,"))
    2834             :                 {
    2835          16 :                     bMask = true;
    2836          16 :                     pszBand += 5;
    2837             :                     /* If we use the source mask band as a regular band */
    2838             :                     /* don't create a target mask band by default */
    2839          16 :                     if (!psOptions->bParsedMaskArgument)
    2840          16 :                         psOptions->eMaskMode = MASK_DISABLED;
    2841             :                 }
    2842         654 :                 const int nBand = atoi(pszBand);
    2843         654 :                 if (nBand < 1)
    2844             :                 {
    2845             :                     throw std::invalid_argument(CPLSPrintf(
    2846           0 :                         "Unrecognizable band number (%s).", s.c_str()));
    2847             :                 }
    2848             : 
    2849         654 :                 psOptions->nBandCount++;
    2850         654 :                 psOptions->anBandList.emplace_back(nBand * (bMask ? -1 : 1));
    2851        3922 :             })
    2852        3268 :         .help(_("Select input band(s)"));
    2853             : 
    2854        3268 :     argParser->add_argument("-mask")
    2855        6536 :         .metavar("<mask>")
    2856             :         .action(
    2857          54 :             [psOptions](const std::string &s)
    2858             :             {
    2859          26 :                 psOptions->bParsedMaskArgument = true;
    2860          26 :                 const char *pszBand = s.c_str();
    2861          26 :                 if (EQUAL(pszBand, "none"))
    2862             :                 {
    2863           1 :                     psOptions->eMaskMode = MASK_DISABLED;
    2864             :                 }
    2865          25 :                 else if (EQUAL(pszBand, "auto"))
    2866             :                 {
    2867           0 :                     psOptions->eMaskMode = MASK_AUTO;
    2868             :                 }
    2869             :                 else
    2870             :                 {
    2871          25 :                     bool bMask = false;
    2872             : 
    2873          25 :                     if (EQUAL(pszBand, "mask"))
    2874           1 :                         pszBand = "mask,1";
    2875          25 :                     if (STARTS_WITH_CI(pszBand, "mask,"))
    2876             :                     {
    2877           2 :                         bMask = true;
    2878           2 :                         pszBand += 5;
    2879             :                     }
    2880          25 :                     const int nBand = atoi(pszBand);
    2881          25 :                     if (nBand < 1)
    2882             :                     {
    2883             :                         throw std::invalid_argument(CPLSPrintf(
    2884           0 :                             "Unrecognizable band number (%s).", s.c_str()));
    2885             :                     }
    2886             : 
    2887          25 :                     psOptions->eMaskMode = MASK_USER;
    2888          25 :                     psOptions->nMaskBand = nBand;
    2889          25 :                     if (bMask)
    2890           2 :                         psOptions->nMaskBand *= -1;
    2891             :                 }
    2892        3294 :             })
    2893        3268 :         .help(_("Select an input band to create output dataset mask band"));
    2894             : 
    2895        3268 :     argParser->add_argument("-expand")
    2896        6536 :         .metavar("gray|rgb|rgba")
    2897             :         .action(
    2898          58 :             [psOptions](const std::string &s)
    2899             :             {
    2900          29 :                 if (EQUAL(s.c_str(), "gray"))
    2901           1 :                     psOptions->nRGBExpand = 1;
    2902          28 :                 else if (EQUAL(s.c_str(), "rgb"))
    2903          16 :                     psOptions->nRGBExpand = 3;
    2904          12 :                 else if (EQUAL(s.c_str(), "rgba"))
    2905          12 :                     psOptions->nRGBExpand = 4;
    2906             :                 else
    2907             :                 {
    2908             :                     throw std::invalid_argument(CPLSPrintf(
    2909             :                         "Value %s unsupported. Only gray, rgb or rgba are "
    2910             :                         "supported.",
    2911           0 :                         s.c_str()));
    2912             :                 }
    2913        3297 :             })
    2914             :         .help(_("To expose a dataset with 1 band with a color table as a "
    2915        3268 :                 "dataset with 3 (RGB) or 4 (RGBA) bands."));
    2916             : 
    2917             :     {
    2918        3268 :         auto &group = argParser->add_mutually_exclusive_group();
    2919        3268 :         group.add_argument("-strict")
    2920        3268 :             .store_into(psOptions->bStrict)
    2921        3268 :             .help(_("Enable strict mode"));
    2922             : 
    2923        3268 :         group.add_argument("-not_strict")
    2924        3268 :             .flag()
    2925           0 :             .action([psOptions](const std::string &)
    2926        3268 :                     { psOptions->bStrict = false; })
    2927        3268 :             .help(_("Disable strict mode"));
    2928             :     }
    2929             : 
    2930        3268 :     argParser->add_argument("-outsize")
    2931        6536 :         .metavar("<xsize[%]|0> <ysize[%]|0>")
    2932        3268 :         .nargs(2)
    2933        3268 :         .help(_("Set the size of the output file."));
    2934             : 
    2935        3268 :     argParser->add_argument("-tr")
    2936        6536 :         .metavar("<xres> <yres>")
    2937        3268 :         .nargs(2)
    2938        3268 :         .scan<'g', double>()
    2939        3268 :         .help(_("Set target resolution."));
    2940             : 
    2941        3268 :     argParser->add_argument("-ovr")
    2942        6536 :         .metavar("<level>|AUTO|AUTO-<n>|NONE")
    2943             :         .action(
    2944          31 :             [psOptions](const std::string &s)
    2945             :             {
    2946          16 :                 const char *pszOvLevel = s.c_str();
    2947          16 :                 if (EQUAL(pszOvLevel, "AUTO"))
    2948           0 :                     psOptions->nOvLevel = OVR_LEVEL_AUTO;
    2949          16 :                 else if (STARTS_WITH_CI(pszOvLevel, "AUTO-"))
    2950           4 :                     psOptions->nOvLevel =
    2951           4 :                         OVR_LEVEL_AUTO - atoi(pszOvLevel + strlen("AUTO-"));
    2952          12 :                 else if (EQUAL(pszOvLevel, "NONE"))
    2953           1 :                     psOptions->nOvLevel = OVR_LEVEL_NONE;
    2954          11 :                 else if (CPLGetValueType(pszOvLevel) == CPL_VALUE_INTEGER)
    2955          10 :                     psOptions->nOvLevel = atoi(pszOvLevel);
    2956             :                 else
    2957             :                 {
    2958             :                     throw std::invalid_argument(CPLSPrintf(
    2959           1 :                         "Invalid value '%s' for -ovr option", pszOvLevel));
    2960             :                 }
    2961        3283 :             })
    2962        3268 :         .help(_("Specify which overview level of source file must be used"));
    2963             : 
    2964        3268 :     if (psOptionsForBinary)
    2965             :     {
    2966         151 :         argParser->add_argument("-sds")
    2967         151 :             .store_into(psOptionsForBinary->bCopySubDatasets)
    2968         151 :             .help(_("Copy subdatasets"));
    2969             :     }
    2970             : 
    2971        3268 :     argParser->add_argument("-r")
    2972        6536 :         .metavar("nearest,bilinear,cubic,cubicspline,lanczos,average,mode")
    2973        3268 :         .store_into(psOptions->osResampling)
    2974        3268 :         .help(_("Resampling algorithm."));
    2975             : 
    2976             :     {
    2977        3268 :         auto &group = argParser->add_mutually_exclusive_group();
    2978        3268 :         group.add_argument("-scale")
    2979        6536 :             .metavar("[<src_min> <src_max> [<dst_min> <dst_max>]]")
    2980             :             //.nargs(0, 4)
    2981        3268 :             .append()
    2982        3268 :             .scan<'g', double>()
    2983             :             .help(_("Rescale the input pixels values from the range src_min to "
    2984        3268 :                     "src_max to the range dst_min to dst_max."));
    2985             : 
    2986        3268 :         group.add_argument("-scale_X")
    2987        6536 :             .metavar("[<src_min> <src_max> [<dst_min> <dst_max>]]")
    2988             :             //.nargs(0, 4)
    2989        3268 :             .append()
    2990        3268 :             .scan<'g', double>()
    2991        3268 :             .help(_("Rescale the input pixels values for band X."));
    2992             : 
    2993        3268 :         group.add_argument("-unscale")
    2994        3268 :             .store_into(psOptions->bUnscale)
    2995             :             .help(_("Apply the scale/offset metadata for the bands to convert "
    2996        3268 :                     "scaled values to unscaled values."));
    2997             :     }
    2998             : 
    2999             :     {
    3000        3268 :         auto &group = argParser->add_mutually_exclusive_group();
    3001        3268 :         group.add_argument("-exponent")
    3002        6536 :             .metavar("<value>")
    3003        3268 :             .scan<'g', double>()
    3004             :             .help(_(
    3005        3268 :                 "Exponent to apply non-linear scaling with a power function"));
    3006             : 
    3007        3268 :         group.add_argument("-exponent_X")
    3008        3268 :             .append()
    3009        6536 :             .metavar("<value>")
    3010        3268 :             .scan<'g', double>()
    3011             :             .help(
    3012             :                 _("Exponent to apply non-linear scaling with a power function, "
    3013        3268 :                   "for band X"));
    3014             :     }
    3015             : 
    3016        3268 :     argParser->add_argument("-srcwin")
    3017        6536 :         .metavar("<xoff> <yoff> <xsize> <ysize>")
    3018        3268 :         .nargs(4)
    3019        3268 :         .scan<'g', double>()
    3020             :         .help(_("Selects a subwindow from the source image based on pixel/line "
    3021        3268 :                 "location."));
    3022             : 
    3023        3268 :     argParser->add_argument("-projwin")
    3024        6536 :         .metavar("<ulx> <uly> <lrx> <lry>")
    3025        3268 :         .nargs(4)
    3026        3268 :         .scan<'g', double>()
    3027             :         .help(_("Selects a subwindow from the source image based on "
    3028        3268 :                 "georeferenced coordinates."));
    3029             : 
    3030        3268 :     argParser->add_argument("-projwin_srs")
    3031        6536 :         .metavar("<srs_def>")
    3032        3268 :         .store_into(psOptions->osProjSRS)
    3033             :         .help(_("Specifies the SRS in which to interpret the coordinates given "
    3034        3268 :                 "with -projwin."));
    3035             : 
    3036        3268 :     argParser->add_argument("-epo")
    3037        3268 :         .flag()
    3038             :         .action(
    3039          17 :             [psOptions](const std::string &)
    3040             :             {
    3041          17 :                 psOptions->bErrorOnPartiallyOutside = true;
    3042          17 :                 psOptions->bErrorOnCompletelyOutside = true;
    3043        3268 :             })
    3044        3268 :         .help(_("Error when Partially Outside."));
    3045             : 
    3046        3268 :     argParser->add_argument("-eco")
    3047        3268 :         .store_into(psOptions->bErrorOnCompletelyOutside)
    3048        3268 :         .help(_("Error when Completely Outside."));
    3049             : 
    3050        3268 :     argParser->add_argument("-a_srs")
    3051        6536 :         .metavar("<srs_def>")
    3052        3268 :         .store_into(psOptions->osOutputSRS)
    3053        3268 :         .help(_("Override the projection for the output file."));
    3054             : 
    3055        3268 :     argParser->add_argument("-a_coord_epoch")
    3056        6536 :         .metavar("<epoch>")
    3057        3268 :         .store_into(psOptions->dfOutputCoordinateEpoch)
    3058        3268 :         .help(_("Assign a coordinate epoch."));
    3059             : 
    3060        3268 :     argParser->add_argument("-a_ullr")
    3061        6536 :         .metavar("<ulx> <uly> <lrx> <lry>")
    3062        3268 :         .nargs(4)
    3063        3268 :         .scan<'g', double>()
    3064             :         .help(
    3065        3268 :             _("Assign/override the georeferenced bounds of the output file."));
    3066             : 
    3067        3268 :     argParser->add_argument("-a_nodata")
    3068        6536 :         .metavar("<value>|none")
    3069        3268 :         .help(_("Assign a specified nodata value to output bands."));
    3070             : 
    3071        3268 :     argParser->add_argument("-a_gt")
    3072        6536 :         .metavar("<gt(0)> <gt(1)> <gt(2)> <gt(3)> <gt(4)> <gt(5)>")
    3073        3268 :         .nargs(6)
    3074        3268 :         .scan<'g', double>()
    3075        3268 :         .help(_("Assign/override the geotransform of the output file."));
    3076             : 
    3077        3268 :     argParser->add_argument("-a_scale")
    3078        6536 :         .metavar("<value>")
    3079        3268 :         .store_into(psOptions->dfScale)
    3080        3268 :         .help(_("Set band scaling value."));
    3081             : 
    3082        3268 :     argParser->add_argument("-a_offset")
    3083        6536 :         .metavar("<value>")
    3084        3268 :         .store_into(psOptions->dfOffset)
    3085        3268 :         .help(_("Set band offset value."));
    3086             : 
    3087        3268 :     argParser->add_argument("-nogcp")
    3088        3268 :         .store_into(psOptions->bNoGCP)
    3089             :         .help(_("Do not copy the GCPs in the source dataset to the output "
    3090        3268 :                 "dataset."));
    3091             : 
    3092        3268 :     argParser->add_argument("-gcp")
    3093        6536 :         .metavar("<pixel> <line> <easting> <northing> [<elevation>]")
    3094        3268 :         .nargs(4, 5)
    3095        3268 :         .append()
    3096        3268 :         .scan<'g', double>()
    3097             :         .help(
    3098        3268 :             _("Add the indicated ground control point to the output dataset."));
    3099             : 
    3100        3268 :     argParser->add_argument("-colorinterp")
    3101             :         .metavar("{red|green|blue|alpha|gray|undefined|pan|coastal|rededge|nir|"
    3102        6536 :                  "swir|mwir|lwir|...},...")
    3103             :         .action(
    3104          56 :             [psOptions](const std::string &s)
    3105             :             {
    3106          22 :                 CPLStringList aosList(CSLTokenizeString2(s.c_str(), ",", 0));
    3107          11 :                 psOptions->anColorInterp.resize(aosList.size());
    3108          45 :                 for (int j = 0; j < aosList.size(); j++)
    3109             :                 {
    3110          34 :                     psOptions->anColorInterp[j] = GetColorInterp(aosList[j]);
    3111             :                 }
    3112        3279 :             })
    3113        3268 :         .help(_("Override the color interpretation of all specified bands."));
    3114             : 
    3115        3268 :     argParser->add_argument("-colorinterp_X")
    3116        3268 :         .append()
    3117             :         .metavar("{red|green|blue|alpha|gray|undefined|pan|coastal|rededge|nir|"
    3118        6536 :                  "swir|mwir|lwir|...}")
    3119        3268 :         .help(_("Override the color interpretation of band X."));
    3120             : 
    3121             :     {
    3122        3268 :         auto &group = argParser->add_mutually_exclusive_group();
    3123        3268 :         group.add_argument("-stats")
    3124        3268 :             .flag()
    3125             :             .action(
    3126           5 :                 [psOptions](const std::string &)
    3127             :                 {
    3128           5 :                     psOptions->bStats = true;
    3129           5 :                     psOptions->bApproxStats = false;
    3130        3268 :                 })
    3131        3268 :             .help(_("Force (re)computation of statistics."));
    3132             : 
    3133        3268 :         group.add_argument("-approx_stats")
    3134        3268 :             .flag()
    3135             :             .action(
    3136           0 :                 [psOptions](const std::string &)
    3137             :                 {
    3138           0 :                     psOptions->bStats = true;
    3139           0 :                     psOptions->bApproxStats = true;
    3140        3268 :                 })
    3141        3268 :             .help(_("Force (re)computation of approximate statistics."));
    3142             :     }
    3143             : 
    3144        3268 :     argParser->add_argument("-norat")
    3145        3268 :         .store_into(psOptions->bNoRAT)
    3146        3268 :         .help(_("Do not copy source RAT into destination dataset."));
    3147             : 
    3148        3268 :     argParser->add_argument("-noxmp")
    3149        3268 :         .store_into(psOptions->bNoXMP)
    3150        3268 :         .help(_("Do not copy the XMP metadata into destination dataset."));
    3151             : 
    3152        3268 :     argParser->add_creation_options_argument(psOptions->aosCreateOptions);
    3153             : 
    3154             :     argParser->add_metadata_item_options_argument(
    3155        3268 :         psOptions->aosMetadataOptions);
    3156             : 
    3157        3268 :     argParser->add_argument("-dmo")
    3158        6536 :         .metavar("<DOMAIN>:<KEY>=<VALUE>")
    3159        3268 :         .append()
    3160           9 :         .action([psOptions](const std::string &s)
    3161        3277 :                 { psOptions->aosDomainMetadataOptions.AddString(s.c_str()); })
    3162             :         .help(_("Passes a metadata key and value in specified domain to set on "
    3163        3268 :                 "the output dataset if possible."));
    3164             : 
    3165             :     argParser->add_open_options_argument(
    3166        3268 :         psOptionsForBinary ? &(psOptionsForBinary->aosOpenOptions) : nullptr);
    3167             : 
    3168             :     // Undocumented option used by gdal_translate_fuzzer
    3169        3268 :     argParser->add_argument("-limit_outsize")
    3170        3268 :         .hidden()
    3171        3268 :         .store_into(psOptions->nLimitOutSize);
    3172             : 
    3173             :     // Undocumented option used by gdal raster convert
    3174        3268 :     argParser->add_argument("--no-overwrite")
    3175        3268 :         .store_into(psOptions->bNoOverwrite)
    3176        3268 :         .hidden();
    3177             : 
    3178             :     // Undocumented option used by gdal raster scale
    3179        3268 :     argParser->add_argument("--no-clip")
    3180        3268 :         .store_into(psOptions->bNoClip)
    3181        3268 :         .hidden();
    3182             : 
    3183             :     // Undocumented option used by gdal raster clip
    3184        3268 :     argParser->add_argument("--no-warn-about-outside-window")
    3185        3268 :         .store_into(psOptions->bNoWarnAboutOutsideWindow)
    3186        3268 :         .hidden();
    3187             : 
    3188        3268 :     if (psOptionsForBinary)
    3189             :     {
    3190         151 :         argParser->add_argument("input_file")
    3191         302 :             .metavar("<input_file>")
    3192         151 :             .store_into(psOptionsForBinary->osSource)
    3193         151 :             .help(_("Input file."));
    3194             : 
    3195         151 :         argParser->add_argument("output_file")
    3196         302 :             .metavar("<output_file>")
    3197         151 :             .store_into(psOptionsForBinary->osDest)
    3198         151 :             .help(_("Output file."));
    3199             :     }
    3200             : 
    3201        3268 :     return argParser;
    3202             : }
    3203             : 
    3204             : /************************************************************************/
    3205             : /*                    GDALTranslateGetParserUsage()                     */
    3206             : /************************************************************************/
    3207             : 
    3208           4 : std::string GDALTranslateGetParserUsage()
    3209             : {
    3210             :     try
    3211             :     {
    3212           8 :         GDALTranslateOptions sOptions;
    3213           8 :         GDALTranslateOptionsForBinary sOptionsForBinary;
    3214             :         auto argParser =
    3215           8 :             GDALTranslateOptionsGetParser(&sOptions, &sOptionsForBinary);
    3216           4 :         return argParser->usage();
    3217             :     }
    3218           0 :     catch (const std::exception &err)
    3219             :     {
    3220           0 :         CPLError(CE_Failure, CPLE_AppDefined, "Unexpected exception: %s",
    3221           0 :                  err.what());
    3222           0 :         return std::string();
    3223             :     }
    3224             : }
    3225             : 
    3226             : /************************************************************************/
    3227             : /*                      GDALTranslateOptionsNew()                       */
    3228             : /************************************************************************/
    3229             : 
    3230             : /**
    3231             :  * Allocates a GDALTranslateOptions struct.
    3232             :  *
    3233             :  * @param papszArgv NULL terminated list of options (potentially including
    3234             :  * filename and open options too), or NULL. The accepted options are the ones of
    3235             :  * the <a href="/programs/gdal_translate.html">gdal_translate</a> utility.
    3236             :  * @param psOptionsForBinary (output) may be NULL (and should generally be
    3237             :  * NULL), otherwise (gdal_translate_bin.cpp use case) must be allocated with
    3238             :  *                           GDALTranslateOptionsForBinaryNew() prior to this
    3239             :  * function. Will be filled with potentially present filename, open options,...
    3240             :  * @return pointer to the allocated GDALTranslateOptions struct. Must be freed
    3241             :  * with GDALTranslateOptionsFree().
    3242             :  *
    3243             :  * @since GDAL 2.1
    3244             :  */
    3245             : 
    3246             : GDALTranslateOptions *
    3247        3266 : GDALTranslateOptionsNew(char **papszArgv,
    3248             :                         GDALTranslateOptionsForBinary *psOptionsForBinary)
    3249             : {
    3250        6532 :     auto psOptions = std::make_unique<GDALTranslateOptions>();
    3251             : 
    3252        3266 :     psOptions->aosArgs.Assign(CSLDuplicate(papszArgv), true);
    3253             : 
    3254             :     /* -------------------------------------------------------------------- */
    3255             :     /*      Pre-processing for custom syntax that ArgumentParser does not   */
    3256             :     /*      support.                                                        */
    3257             :     /* -------------------------------------------------------------------- */
    3258             : 
    3259        6532 :     CPLStringList aosArgv;
    3260        3266 :     const int argc = CSLCount(papszArgv);
    3261       20670 :     for (int i = 0; i < argc && papszArgv != nullptr && papszArgv[i] != nullptr;
    3262             :          i++)
    3263             :     {
    3264       17406 :         if (i + 4 < argc && EQUAL(papszArgv[i], "-gcp"))
    3265             :         {
    3266             :             /* -gcp pixel line easting northing [elev] */
    3267          29 :             psOptions->asGCPs.resize(psOptions->asGCPs.size() + 1);
    3268          29 :             psOptions->asGCPs.back().Pixel() = CPLAtofM(papszArgv[++i]);
    3269          29 :             psOptions->asGCPs.back().Line() = CPLAtofM(papszArgv[++i]);
    3270          29 :             psOptions->asGCPs.back().X() = CPLAtofM(papszArgv[++i]);
    3271          29 :             psOptions->asGCPs.back().Y() = CPLAtofM(papszArgv[++i]);
    3272             : 
    3273          29 :             char *endptr = nullptr;
    3274          56 :             if (papszArgv[i + 1] != nullptr &&
    3275          27 :                 (CPLStrtod(papszArgv[i + 1], &endptr) != 0.0 ||
    3276          27 :                  papszArgv[i + 1][0] == '0'))
    3277             :             {
    3278             :                 /* Check that last argument is really a number and not a
    3279             :                  * filename */
    3280             :                 /* looking like a number (see ticket #863) */
    3281          13 :                 if (endptr && *endptr == 0)
    3282          13 :                     psOptions->asGCPs.back().Z() = CPLAtofM(papszArgv[++i]);
    3283          29 :             }
    3284             : 
    3285             :             /* should set id and info? */
    3286             :         }
    3287             : 
    3288       17377 :         else if (EQUAL(papszArgv[i], "-scale") ||
    3289       17317 :                  STARTS_WITH_CI(papszArgv[i], "-scale_"))
    3290             :         {
    3291          73 :             int nIndex = 0;
    3292          73 :             if (STARTS_WITH_CI(papszArgv[i], "-scale_"))
    3293             :             {
    3294          26 :                 if (!psOptions->bHasUsedExplicitScaleBand &&
    3295          13 :                     !psOptions->asScaleParams.empty())
    3296             :                 {
    3297           0 :                     CPLError(CE_Failure, CPLE_NotSupported,
    3298             :                              "Cannot mix -scale and -scale_XX syntax");
    3299           0 :                     return nullptr;
    3300             :                 }
    3301          13 :                 psOptions->bHasUsedExplicitScaleBand = true;
    3302          13 :                 nIndex = atoi(papszArgv[i] + 7);
    3303          13 :                 if (nIndex <= 0 || nIndex > 65535)
    3304             :                 {
    3305           0 :                     CPLError(CE_Failure, CPLE_NotSupported,
    3306           0 :                              "Invalid parameter name: %s", papszArgv[i]);
    3307           0 :                     return nullptr;
    3308             :                 }
    3309          13 :                 nIndex--;
    3310             :             }
    3311             :             else
    3312             :             {
    3313          60 :                 if (psOptions->bHasUsedExplicitScaleBand)
    3314             :                 {
    3315           0 :                     CPLError(CE_Failure, CPLE_NotSupported,
    3316             :                              "Cannot mix -scale and -scale_XX syntax");
    3317           0 :                     return nullptr;
    3318             :                 }
    3319          60 :                 nIndex = static_cast<int>(psOptions->asScaleParams.size());
    3320             :             }
    3321             : 
    3322          73 :             if (nIndex >= static_cast<int>(psOptions->asScaleParams.size()))
    3323             :             {
    3324          73 :                 psOptions->asScaleParams.resize(nIndex + 1);
    3325             :             }
    3326          73 :             psOptions->asScaleParams[nIndex].bScale = true;
    3327          73 :             bool bScanForDst = false;
    3328          73 :             if (i < argc - 2 && EQUAL(papszArgv[i + 1], "NaN") &&
    3329           1 :                 EQUAL(papszArgv[i + 2], "NaN"))
    3330             :             {
    3331           1 :                 bScanForDst = true;
    3332           1 :                 i += 2;
    3333             :             }
    3334          72 :             else if (i < argc - 2 && ArgIsNumeric(papszArgv[i + 1]))
    3335             :             {
    3336          60 :                 if (!ArgIsNumeric(papszArgv[i + 2]))
    3337             :                 {
    3338           0 :                     CPLError(CE_Failure, CPLE_IllegalArg,
    3339             :                              "Value of -scale must be numeric");
    3340           0 :                     return nullptr;
    3341             :                 }
    3342          60 :                 psOptions->asScaleParams[nIndex].dfScaleSrcMin =
    3343          60 :                     CPLAtofM(papszArgv[i + 1]);
    3344          60 :                 psOptions->asScaleParams[nIndex].dfScaleSrcMax =
    3345          60 :                     CPLAtofM(papszArgv[i + 2]);
    3346          60 :                 bScanForDst = true;
    3347          60 :                 i += 2;
    3348             :             }
    3349          73 :             if (i < argc - 2 && bScanForDst && ArgIsNumeric(papszArgv[i + 1]))
    3350             :             {
    3351          57 :                 if (!ArgIsNumeric(papszArgv[i + 2]))
    3352             :                 {
    3353           1 :                     CPLError(CE_Failure, CPLE_IllegalArg,
    3354             :                              "Value of -scale must be numeric");
    3355           1 :                     return nullptr;
    3356             :                 }
    3357          56 :                 psOptions->asScaleParams[nIndex].dfScaleDstMin =
    3358          56 :                     CPLAtofM(papszArgv[i + 1]);
    3359          56 :                 psOptions->asScaleParams[nIndex].dfScaleDstMax =
    3360          56 :                     CPLAtofM(papszArgv[i + 2]);
    3361          56 :                 i += 2;
    3362          72 :             }
    3363             :         }
    3364             : 
    3365       17304 :         else if ((EQUAL(papszArgv[i], "-exponent") ||
    3366       17284 :                   STARTS_WITH_CI(papszArgv[i], "-exponent_")) &&
    3367          24 :                  papszArgv[i + 1])
    3368             :         {
    3369          24 :             int nIndex = 0;
    3370          24 :             if (STARTS_WITH_CI(papszArgv[i], "-exponent_"))
    3371             :             {
    3372           8 :                 if (!psOptions->bHasUsedExplicitExponentBand &&
    3373           4 :                     !psOptions->adfExponent.empty())
    3374             :                 {
    3375           0 :                     CPLError(CE_Failure, CPLE_NotSupported,
    3376             :                              "Cannot mix -exponent and -exponent_XX syntax");
    3377           0 :                     return nullptr;
    3378             :                 }
    3379           4 :                 psOptions->bHasUsedExplicitExponentBand = true;
    3380           4 :                 nIndex = atoi(papszArgv[i] + 10);
    3381           4 :                 if (nIndex <= 0 || nIndex > 65535)
    3382             :                 {
    3383           0 :                     CPLError(CE_Failure, CPLE_NotSupported,
    3384           0 :                              "Invalid parameter name: %s", papszArgv[i]);
    3385           0 :                     return nullptr;
    3386             :                 }
    3387           4 :                 nIndex--;
    3388             :             }
    3389             :             else
    3390             :             {
    3391          20 :                 if (psOptions->bHasUsedExplicitExponentBand)
    3392             :                 {
    3393           0 :                     CPLError(CE_Failure, CPLE_NotSupported,
    3394             :                              "Cannot mix -exponent and -exponent_XX syntax");
    3395           0 :                     return nullptr;
    3396             :                 }
    3397          20 :                 nIndex = static_cast<int>(psOptions->adfExponent.size());
    3398             :             }
    3399             : 
    3400          24 :             if (nIndex >= static_cast<int>(psOptions->adfExponent.size()))
    3401             :             {
    3402          24 :                 psOptions->adfExponent.resize(nIndex + 1);
    3403             :             }
    3404          24 :             double dfExponent = CPLAtofM(papszArgv[++i]);
    3405          24 :             psOptions->adfExponent[nIndex] = dfExponent;
    3406             :         }
    3407             : 
    3408       17280 :         else if (STARTS_WITH_CI(papszArgv[i], "-colorinterp_") &&
    3409          14 :                  papszArgv[i + 1])
    3410             :         {
    3411          14 :             int nIndex = atoi(papszArgv[i] + strlen("-colorinterp_"));
    3412          14 :             if (nIndex <= 0 || nIndex > 65535)
    3413             :             {
    3414           1 :                 CPLError(CE_Failure, CPLE_NotSupported,
    3415           1 :                          "Invalid parameter name: %s", papszArgv[i]);
    3416           1 :                 return nullptr;
    3417             :             }
    3418          13 :             nIndex--;
    3419             : 
    3420          13 :             if (nIndex >= static_cast<int>(psOptions->anColorInterp.size()))
    3421             :             {
    3422          13 :                 psOptions->anColorInterp.resize(nIndex + 1, -1);
    3423             :             }
    3424          13 :             ++i;
    3425          13 :             psOptions->anColorInterp[nIndex] = GetColorInterp(papszArgv[i]);
    3426             :         }
    3427             : 
    3428             :         // argparser will be confused if the value of a string argument
    3429             :         // starts with a negative sign.
    3430       17266 :         else if (EQUAL(papszArgv[i], "-a_nodata") && papszArgv[i + 1])
    3431             :         {
    3432          75 :             ++i;
    3433          75 :             const char *s = papszArgv[i];
    3434          75 :             if (EQUAL(s, "none") || EQUAL(s, "null"))
    3435             :             {
    3436           4 :                 psOptions->bUnsetNoData = true;
    3437             :             }
    3438             :             else
    3439             :             {
    3440          71 :                 psOptions->bSetNoData = true;
    3441          71 :                 psOptions->osNoData = s;
    3442          75 :             }
    3443             :         }
    3444             : 
    3445             :         else
    3446             :         {
    3447       17191 :             aosArgv.AddString(papszArgv[i]);
    3448             :         }
    3449             :     }
    3450             : 
    3451             :     try
    3452             :     {
    3453             : 
    3454             :         auto argParser =
    3455        6528 :             GDALTranslateOptionsGetParser(psOptions.get(), psOptionsForBinary);
    3456             : 
    3457        3264 :         argParser->parse_args_without_binary_name(aosArgv.List());
    3458             : 
    3459        3260 :         psOptions->bSetScale = argParser->is_used("-a_scale");
    3460        3260 :         psOptions->bSetOffset = argParser->is_used("-a_offset");
    3461             : 
    3462        3279 :         if (auto adfULLR = argParser->present<std::vector<double>>("-a_ullr"))
    3463             :         {
    3464          19 :             CPLAssert(psOptions->adfULLR.size() == adfULLR->size());
    3465          95 :             for (size_t i = 0; i < adfULLR->size(); ++i)
    3466          76 :                 psOptions->adfULLR[i] = (*adfULLR)[i];
    3467             :         }
    3468             : 
    3469        3263 :         if (auto adfGT = argParser->present<std::vector<double>>("-a_gt"))
    3470             :         {
    3471           3 :             CPLAssert(adfGT->size() == 6);
    3472          21 :             for (size_t i = 0; i < adfGT->size(); ++i)
    3473          18 :                 psOptions->gt[i] = (*adfGT)[i];
    3474             :         }
    3475             : 
    3476        3260 :         bool bOutsizeExplicitlySet = false;
    3477        3260 :         if (auto aosOutSize =
    3478        6520 :                 argParser->present<std::vector<std::string>>("-outsize"))
    3479             :         {
    3480         248 :             if ((*aosOutSize)[0].back() == '%')
    3481          30 :                 psOptions->dfOXSizePct = CPLAtofM((*aosOutSize)[0].c_str());
    3482             :             else
    3483         218 :                 psOptions->nOXSizePixel = atoi((*aosOutSize)[0].c_str());
    3484             : 
    3485         248 :             if ((*aosOutSize)[1].back() == '%')
    3486          29 :                 psOptions->dfOYSizePct = CPLAtofM((*aosOutSize)[1].c_str());
    3487             :             else
    3488         219 :                 psOptions->nOYSizePixel = atoi((*aosOutSize)[1].c_str());
    3489         248 :             bOutsizeExplicitlySet = true;
    3490             :         }
    3491             : 
    3492        3260 :         if (auto adfTargetRes = argParser->present<std::vector<double>>("-tr"))
    3493             :         {
    3494          68 :             psOptions->dfXRes = (*adfTargetRes)[0];
    3495          68 :             psOptions->dfYRes = fabs((*adfTargetRes)[1]);
    3496          68 :             if (psOptions->dfXRes == 0 || psOptions->dfYRes == 0)
    3497             :             {
    3498           0 :                 CPLError(CE_Failure, CPLE_IllegalArg,
    3499             :                          "Wrong value for -tr parameters.");
    3500           0 :                 return nullptr;
    3501             :             }
    3502             :         }
    3503             : 
    3504        4188 :         if (auto adfSrcWin = argParser->present<std::vector<double>>("-srcwin"))
    3505             :         {
    3506         928 :             psOptions->srcWin.dfXOff = (*adfSrcWin)[0];
    3507         928 :             psOptions->srcWin.dfYOff = (*adfSrcWin)[1];
    3508         928 :             psOptions->srcWin.dfXSize = (*adfSrcWin)[2];
    3509         928 :             psOptions->srcWin.dfYSize = (*adfSrcWin)[3];
    3510             :         }
    3511             : 
    3512        3260 :         if (auto adfProjWin =
    3513        6520 :                 argParser->present<std::vector<double>>("-projwin"))
    3514             :         {
    3515         346 :             psOptions->dfULX = (*adfProjWin)[0];
    3516         346 :             psOptions->dfULY = (*adfProjWin)[1];
    3517         346 :             psOptions->dfLRX = (*adfProjWin)[2];
    3518         346 :             psOptions->dfLRY = (*adfProjWin)[3];
    3519             :         }
    3520             : 
    3521        3260 :         if (!psOptions->asGCPs.empty() && psOptions->bNoGCP)
    3522             :         {
    3523           0 :             CPLError(CE_Failure, CPLE_IllegalArg,
    3524             :                      "-nogcp and -gcp cannot be used as the same time");
    3525           0 :             return nullptr;
    3526             :         }
    3527             : 
    3528         248 :         if (bOutsizeExplicitlySet && psOptions->nOXSizePixel == 0 &&
    3529        3509 :             psOptions->dfOXSizePct == 0.0 && psOptions->nOYSizePixel == 0 &&
    3530           1 :             psOptions->dfOYSizePct == 0.0)
    3531             :         {
    3532           1 :             CPLError(CE_Failure, CPLE_NotSupported, "-outsize %d %d invalid.",
    3533           1 :                      psOptions->nOXSizePixel, psOptions->nOYSizePixel);
    3534           1 :             return nullptr;
    3535             :         }
    3536             : 
    3537        3259 :         if (!psOptions->asScaleParams.empty() && psOptions->bUnscale)
    3538             :         {
    3539           1 :             CPLError(CE_Failure, CPLE_IllegalArg,
    3540             :                      "-scale and -unscale cannot be used as the same time");
    3541           1 :             return nullptr;
    3542             :         }
    3543             : 
    3544        3258 :         if (psOptionsForBinary)
    3545             :         {
    3546         144 :             psOptionsForBinary->bQuiet = psOptions->bQuiet;
    3547         144 :             psOptionsForBinary->aosCreateOptions = psOptions->aosCreateOptions;
    3548         144 :             if (!psOptions->osFormat.empty())
    3549          89 :                 psOptionsForBinary->osFormat = psOptions->osFormat;
    3550             :         }
    3551             : 
    3552        3258 :         return psOptions.release();
    3553             :     }
    3554           4 :     catch (const std::exception &err)
    3555             :     {
    3556           4 :         CPLError(CE_Failure, CPLE_AppDefined, "%s", err.what());
    3557           4 :         return nullptr;
    3558             :     }
    3559             : }
    3560             : 
    3561             : /************************************************************************/
    3562             : /*                      GDALTranslateOptionsFree()                      */
    3563             : /************************************************************************/
    3564             : 
    3565             : /**
    3566             :  * Frees the GDALTranslateOptions struct.
    3567             :  *
    3568             :  * @param psOptions the options struct for GDALTranslate().
    3569             :  *
    3570             :  * @since GDAL 2.1
    3571             :  */
    3572             : 
    3573        3243 : void GDALTranslateOptionsFree(GDALTranslateOptions *psOptions)
    3574             : {
    3575        3243 :     delete psOptions;
    3576        3243 : }
    3577             : 
    3578             : /************************************************************************/
    3579             : /*                  GDALTranslateOptionsSetProgress()                   */
    3580             : /************************************************************************/
    3581             : 
    3582             : /**
    3583             :  * Set a progress function.
    3584             :  *
    3585             :  * @param psOptions the options struct for GDALTranslate().
    3586             :  * @param pfnProgress the progress callback.
    3587             :  * @param pProgressData the user data for the progress callback.
    3588             :  *
    3589             :  * @since GDAL 2.1
    3590             :  */
    3591             : 
    3592         458 : void GDALTranslateOptionsSetProgress(GDALTranslateOptions *psOptions,
    3593             :                                      GDALProgressFunc pfnProgress,
    3594             :                                      void *pProgressData)
    3595             : {
    3596         458 :     psOptions->pfnProgress = pfnProgress;
    3597         458 :     psOptions->pProgressData = pProgressData;
    3598         458 :     if (pfnProgress == GDALTermProgress)
    3599         135 :         psOptions->bQuiet = false;
    3600         458 : }

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