Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  "pansharpen" 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_PANSHARPEN_INCLUDED
      14             : #define GDALALG_RASTER_PANSHARPEN_INCLUDED
      15             : 
      16             : #include "gdalalg_raster_pipeline.h"
      17             : 
      18             : //! @cond Doxygen_Suppress
      19             : 
      20             : /************************************************************************/
      21             : /*                    GDALRasterPansharpenAlgorithm                     */
      22             : /************************************************************************/
      23             : 
      24             : class GDALRasterPansharpenAlgorithm /* non final */
      25             :     : public GDALRasterPipelineStepAlgorithm
      26             : {
      27             :   public:
      28             :     static constexpr const char *NAME = "pansharpen";
      29             :     static constexpr const char *DESCRIPTION =
      30             :         "Perform a pansharpen operation.";
      31             :     static constexpr const char *HELP_URL =
      32             :         "/programs/gdal_raster_pansharpen.html";
      33             : 
      34             :     explicit GDALRasterPansharpenAlgorithm(bool standaloneStep = false);
      35             : 
      36             :   private:
      37             :     static ConstructorOptions GetConstructorOptions(bool standaloneStep);
      38             :     bool RunStep(GDALPipelineStepRunContext &ctxt) override;
      39             : 
      40             :     std::vector<GDALArgDatasetValue> m_spectralDatasets{};
      41             :     std::string m_resampling = "cubic";
      42             :     std::vector<double> m_weights{};
      43             :     double m_nodata = 0;
      44             :     std::string m_spatialExtentAdjustment = "union";
      45             :     int m_bitDepth = 0;
      46             :     int m_numThreads = 0;
      47             : 
      48             :     // Work variables
      49             :     std::string m_numThreadsStr{"ALL_CPUS"};
      50             : };
      51             : 
      52             : /************************************************************************/
      53             : /*                GDALRasterPansharpenAlgorithmStandalone               */
      54             : /************************************************************************/
      55             : 
      56          26 : class GDALRasterPansharpenAlgorithmStandalone final
      57             :     : public GDALRasterPansharpenAlgorithm
      58             : {
      59             :   public:
      60          13 :     GDALRasterPansharpenAlgorithmStandalone()
      61          13 :         : GDALRasterPansharpenAlgorithm(/* standaloneStep = */ true)
      62             :     {
      63          13 :     }
      64             : 
      65             :     ~GDALRasterPansharpenAlgorithmStandalone() override;
      66             : };
      67             : 
      68             : //! @endcond
      69             : 
      70             : #endif /* GDALALG_RASTER_PANSHARPEN_INCLUDED */