GDAL

gdalalg_raster_tpi.h
1/******************************************************************************
2 *
3 * Project: GDAL
4 * Purpose: "tpi" 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_TPI_INCLUDED
14#define GDALALG_RASTER_TPI_INCLUDED
15
16#include "gdalalg_raster_pipeline.h"
17
18#include <limits>
19
21
22/************************************************************************/
23/* GDALRasterTPIAlgorithm */
24/************************************************************************/
25
26 class GDALRasterTPIAlgorithm /* non final */
27 : public GDALRasterPipelineStepAlgorithm
28{
29 public:
30 static constexpr const char *NAME = "tpi";
31 static constexpr const char *DESCRIPTION =
32 "Generate a Topographic Position Index (TPI) map";
33 static constexpr const char *HELP_URL = "/programs/gdal_raster_tpi.html";
34
35 explicit GDALRasterTPIAlgorithm(bool standaloneStep = false);
36
37 private:
38 bool RunStep(GDALPipelineStepRunContext &ctxt) override;
39
40 int m_band = 1;
41 bool m_noEdges = false;
42};
43
44/************************************************************************/
45/* GDALRasterTPIAlgorithmStandalone */
46/************************************************************************/
47
48 class GDALRasterTPIAlgorithmStandalone final : public GDALRasterTPIAlgorithm
49{
50 public:
51 GDALRasterTPIAlgorithmStandalone()
52 : GDALRasterTPIAlgorithm(/* standaloneStep = */ true)
53 {
54 }
55
56 ~GDALRasterTPIAlgorithmStandalone() override;
57};
58
60
61#endif /* GDALALG_RASTER_TPI_INCLUDED */