LCOV - code coverage report
Current view: top level - apps - gdalalg_raster_compare.h (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 10 10 100.0 %
Date: 2026-03-13 03:16:58 Functions: 6 6 100.0 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  gdal "raster compare" subcommand
       5             :  * Author:   Even Rouault <even dot rouault at spatialys.com>
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2025, Even Rouault <even dot rouault at spatialys.com>
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #ifndef GDALALG_RASTER_COMPARE_INCLUDED
      14             : #define GDALALG_RASTER_COMPARE_INCLUDED
      15             : 
      16             : #include "gdalalg_raster_pipeline.h"
      17             : 
      18             : //! @cond Doxygen_Suppress
      19             : 
      20             : /************************************************************************/
      21             : /*                      GDALRasterCompareAlgorithm                      */
      22             : /************************************************************************/
      23             : 
      24             : class GDALRasterCompareAlgorithm /* non final */
      25             :     : public GDALRasterPipelineStepAlgorithm
      26             : {
      27             :   public:
      28             :     static constexpr const char *NAME = "compare";
      29             :     static constexpr const char *DESCRIPTION = "Compare two raster datasets.";
      30             :     static constexpr const char *HELP_URL =
      31             :         "/programs/gdal_raster_compare.html";
      32             : 
      33             :     explicit GDALRasterCompareAlgorithm(bool standaloneStep = false);
      34             : 
      35           8 :     bool IsNativelyStreamingCompatible() const override
      36             :     {
      37           8 :         return false;
      38             :     }
      39             : 
      40          16 :     bool CanBeLastStep() const override
      41             :     {
      42          16 :         return true;
      43             :     }
      44             : 
      45         204 :     int GetOutputType() const override
      46             :     {
      47         204 :         return 0;
      48             :     }
      49             : 
      50             :   private:
      51             :     bool RunStep(GDALPipelineStepRunContext &ctxt) override;
      52             : 
      53             :     bool BinaryComparison(std::vector<std::string> &aosReport,
      54             :                           GDALDataset *poRefDS, GDALDataset *poInputDS);
      55             : 
      56             :     void DatasetComparison(std::vector<std::string> &aosReport,
      57             :                            GDALDataset *poRefDS, GDALDataset *poInputDS,
      58             :                            GDALProgressFunc pfnProgress, void *pProgressData);
      59             : 
      60             :     static void CRSComparison(std::vector<std::string> &aosReport,
      61             :                               GDALDataset *poRefDS, GDALDataset *poInputDS);
      62             : 
      63             :     static void GeoTransformComparison(std::vector<std::string> &aosReport,
      64             :                                        GDALDataset *poRefDS,
      65             :                                        GDALDataset *poInputDS);
      66             : 
      67             :     void BandComparison(std::vector<std::string> &aosReport,
      68             :                         const std::string &bandId,
      69             :                         bool doBandBasedPixelComparison,
      70             :                         GDALRasterBand *poRefBand, GDALRasterBand *poInputBand,
      71             :                         GDALProgressFunc pfnProgress, void *pProgressData);
      72             : 
      73             :     static void MetadataComparison(std::vector<std::string> &aosReport,
      74             :                                    const std::string &metadataDomain,
      75             :                                    CSLConstList aosRef, CSLConstList aosInput);
      76             : 
      77             :     GDALArgDatasetValue m_referenceDataset{};
      78             :     bool m_skipAllOptional = false;
      79             :     bool m_skipBinary = false;
      80             :     bool m_skipCRS = false;
      81             :     bool m_skipGeotransform = false;
      82             :     bool m_skipOverview = false;
      83             :     bool m_skipMetadata = false;
      84             :     bool m_skipRPC = false;
      85             :     bool m_skipGeolocation = false;
      86             :     bool m_skipSubdataset = false;
      87             :     // If adding a new skip flag, make sure that m_skipAll takes it into account
      88             :     int m_retCode = 0;
      89             : };
      90             : 
      91             : /************************************************************************/
      92             : /*                 GDALRasterCompareAlgorithmStandalone                 */
      93             : /************************************************************************/
      94             : 
      95         420 : class GDALRasterCompareAlgorithmStandalone final
      96             :     : public GDALRasterCompareAlgorithm
      97             : {
      98             :   public:
      99         210 :     GDALRasterCompareAlgorithmStandalone()
     100         210 :         : GDALRasterCompareAlgorithm(/* standaloneStep = */ true)
     101             :     {
     102         210 :     }
     103             : 
     104             :     ~GDALRasterCompareAlgorithmStandalone() override;
     105             : };
     106             : 
     107             : //! @endcond
     108             : 
     109             : #endif

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