GDAL

gdalalg_raster_proximity.h
1/******************************************************************************
2 *
3 * Project: GDAL
4 * Purpose: gdal "raster proximity" subcommand
5 * Author: Alessandro Pasotti <elpaso at itopen dot it>
6 *
7 ******************************************************************************
8 * Copyright (c) 2025, Alessandro Pasotti <elpaso at itopen dot it>
9 *
10 * SPDX-License-Identifier: MIT
11 ****************************************************************************/
12
13#ifndef GDALALG_RASTER_PROXIMITY_INCLUDED
14#define GDALALG_RASTER_PROXIMITY_INCLUDED
15
16#include "gdalalg_raster_pipeline.h"
17
19
20/************************************************************************/
21/* GDALRasterProximityAlgorithm */
22/************************************************************************/
23
24 class GDALRasterProximityAlgorithm /* non final */
25 : public GDALRasterPipelineNonNativelyStreamingAlgorithm
26{
27 public:
28 static constexpr const char *NAME = "proximity";
29 static constexpr const char *DESCRIPTION =
30 "Produces a raster proximity map.";
31 static constexpr const char *HELP_URL =
32 "/programs/gdal_raster_proximity.html";
33
34 explicit GDALRasterProximityAlgorithm(bool standaloneStep = false);
35
36 private:
37 bool RunStep(GDALPipelineStepRunContext &ctxt) override;
38
39 double m_noDataValue = 0.0;
40 int m_inputBand = 1;
41 std::string m_outputDataType =
42 "Float32"; // Byte|Int16|UInt16|Int32|UInt32|Float32|Float64;
43 std::vector<double> m_targetPixelValues{};
44 std::string m_distanceUnits = "pixel"; // pixel|geo
45 double m_maxDistance = 0.0;
46 double m_fixedBufferValue = 0.0;
47};
48
49/************************************************************************/
50/* GDALRasterProximityAlgorithmStandalone */
51/************************************************************************/
52
53 class GDALRasterProximityAlgorithmStandalone final
54 : public GDALRasterProximityAlgorithm
55{
56 public:
57 GDALRasterProximityAlgorithmStandalone()
58 : GDALRasterProximityAlgorithm(/* standaloneStep = */ true)
59 {
60 }
61
62 ~GDALRasterProximityAlgorithmStandalone() override;
63};
64
66
67#endif