Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL
       4             :  * Purpose:  gdal "vector grid invdistnn" 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_VECTOR_GRID_INVDISTNN_INCLUDED
      14             : #define GDALALG_VECTOR_GRID_INVDISTNN_INCLUDED
      15             : 
      16             : #include "gdalalg_vector_grid.h"
      17             : 
      18             : #include <limits>
      19             : 
      20             : //! @cond Doxygen_Suppress
      21             : 
      22             : /************************************************************************/
      23             : /*                    GDALVectorGridInvdistNNAlgorithm                  */
      24             : /************************************************************************/
      25             : 
      26             : class GDALVectorGridInvdistNNAlgorithm /* non final */
      27             :     : public GDALVectorGridAbstractAlgorithm
      28             : {
      29             :   public:
      30             :     static constexpr const char *NAME = "invdistnn";
      31             :     static constexpr const char *DESCRIPTION =
      32             :         "Create a regular grid from scattered points using weighted inverse "
      33             :         "distance interpolation nearest neighbour.";
      34             :     static constexpr const char *HELP_URL = "/programs/gdal_vector_grid.html";
      35             : 
      36             :     explicit GDALVectorGridInvdistNNAlgorithm(bool standaloneStep = false);
      37             : 
      38             :     std::string GetGridAlgorithm() const override;
      39             : 
      40             :   private:
      41             :     double m_power = 2.0;
      42             :     double m_smoothing = 0.0;
      43             : };
      44             : 
      45             : /************************************************************************/
      46             : /*              GDALVectorGridInvdistNNAlgorithmStandalone              */
      47             : /************************************************************************/
      48             : 
      49          22 : class GDALVectorGridInvdistNNAlgorithmStandalone final
      50             :     : public GDALVectorGridInvdistNNAlgorithm
      51             : {
      52             :   public:
      53          11 :     GDALVectorGridInvdistNNAlgorithmStandalone()
      54          11 :         : GDALVectorGridInvdistNNAlgorithm(/* standaloneStep = */ true)
      55             :     {
      56          11 :     }
      57             : 
      58             :     ~GDALVectorGridInvdistNNAlgorithmStandalone() override;
      59             : };
      60             : 
      61             : //! @endcond
      62             : 
      63             : #endif