LCOV - code coverage report
Current view: top level - apps - gdalalg_raster_scale.h (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 4 4 100.0 %
Date: 2025-06-19 12:30:01 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  "scale" step of "raster pipeline"
       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_SCALE_INCLUDED
      14             : #define GDALALG_RASTER_SCALE_INCLUDED
      15             : 
      16             : #include <limits>
      17             : 
      18             : #include "gdalalg_raster_pipeline.h"
      19             : 
      20             : //! @cond Doxygen_Suppress
      21             : 
      22             : /************************************************************************/
      23             : /*                    GDALRasterScaleAlgorithm                          */
      24             : /************************************************************************/
      25             : 
      26             : class GDALRasterScaleAlgorithm /* non final */
      27             :     : public GDALRasterPipelineStepAlgorithm
      28             : {
      29             :   public:
      30             :     static constexpr const char *NAME = "scale";
      31             :     static constexpr const char *DESCRIPTION =
      32             :         "Scale the values of the bands of a raster dataset.";
      33             :     static constexpr const char *HELP_URL = "/programs/gdal_raster_scale.html";
      34             : 
      35             :     explicit GDALRasterScaleAlgorithm(bool standaloneStep = false);
      36             : 
      37             :   private:
      38             :     bool RunStep(GDALPipelineStepRunContext &ctxt) override;
      39             : 
      40             :     std::string m_type{};
      41             :     int m_band = 0;
      42             :     double m_srcMin = std::numeric_limits<double>::quiet_NaN();
      43             :     double m_srcMax = std::numeric_limits<double>::quiet_NaN();
      44             :     double m_dstMin = std::numeric_limits<double>::quiet_NaN();
      45             :     double m_dstMax = std::numeric_limits<double>::quiet_NaN();
      46             :     double m_exponent = std::numeric_limits<double>::quiet_NaN();
      47             :     bool m_noClip = false;
      48             : };
      49             : 
      50             : /************************************************************************/
      51             : /*                 GDALRasterScaleAlgorithmStandalone                   */
      52             : /************************************************************************/
      53             : 
      54          48 : class GDALRasterScaleAlgorithmStandalone final : public GDALRasterScaleAlgorithm
      55             : {
      56             :   public:
      57          24 :     GDALRasterScaleAlgorithmStandalone()
      58          24 :         : GDALRasterScaleAlgorithm(/* standaloneStep = */ true)
      59             :     {
      60          24 :     }
      61             : 
      62             :     ~GDALRasterScaleAlgorithmStandalone() override;
      63             : };
      64             : 
      65             : //! @endcond
      66             : 
      67             : #endif /* GDALALG_RASTER_SCALE_INCLUDED */

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