Line data    Source code

       1             : /******************************************************************************
       2             : *
       3             :  * Project:  GDAL
       4             :  * Purpose:  "gdal vector simplify-coverage"
       5             :  * Author:   Daniel Baston
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2025, ISciences LLC
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #ifndef GDALALG_VECTOR_SIMPLIFY_COVERAGE_INCLUDED
      14             : #define GDALALG_VECTOR_SIMPLIFY_COVERAGE_INCLUDED
      15             : 
      16             : #include "gdalalg_vector_pipeline.h"
      17             : #include "cpl_progress.h"
      18             : 
      19             : #include <string>
      20             : 
      21             : //! @cond Doxygen_Suppress
      22             : 
      23             : /************************************************************************/
      24             : /*                  GDALVectorSimplifyCoverageAlgorithm                 */
      25             : /************************************************************************/
      26             : 
      27             : class GDALVectorSimplifyCoverageAlgorithm
      28             :     : public GDALVectorPipelineStepAlgorithm
      29             : {
      30             :   public:
      31             :     static constexpr const char *NAME = "simplify-coverage";
      32             :     static constexpr const char *DESCRIPTION =
      33             :         "Simplify shared boundaries of a polygonal vector dataset.";
      34             :     static constexpr const char *HELP_URL =
      35             :         "/programs/gdal_vector_simplify_coverage.html";
      36             : 
      37             :     explicit GDALVectorSimplifyCoverageAlgorithm(bool standaloneStep = false);
      38             : 
      39             :     struct Options
      40             :     {
      41             :         double tolerance = 0;
      42             :         bool preserveBoundary = false;
      43             :     };
      44             : 
      45           0 :     bool IsNativelyStreamingCompatible() const override
      46             :     {
      47           0 :         return false;
      48             :     }
      49             : 
      50             :   private:
      51             :     bool RunStep(GDALPipelineStepRunContext &ctxt) override;
      52             : 
      53             :     std::string m_activeLayer{};
      54             : 
      55             :     Options m_opts{};
      56             : };
      57             : 
      58             : /************************************************************************/
      59             : /*              GDALVectorSimplifyCoverageAlgorithmStandalone           */
      60             : /************************************************************************/
      61             : 
      62          30 : class GDALVectorSimplifyCoverageAlgorithmStandalone final
      63             :     : public GDALVectorSimplifyCoverageAlgorithm
      64             : {
      65             :   public:
      66          15 :     GDALVectorSimplifyCoverageAlgorithmStandalone()
      67          15 :         : GDALVectorSimplifyCoverageAlgorithm(/* standaloneStep = */ true)
      68             :     {
      69          15 :     }
      70             : 
      71             :     ~GDALVectorSimplifyCoverageAlgorithmStandalone() override;
      72             : };
      73             : 
      74             : //! @endcond
      75             : 
      76             : #endif /* GDALALG_VECTOR_SIMPLIFY_COVERAGE_INCLUDED */