GDAL

gdalalg_raster_viewshed.h
1/******************************************************************************
2 *
3 * Project: GDAL
4 * Purpose: gdal "raster viewshed" 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_RASTER_VIEWSHED_INCLUDED
14#define GDALALG_RASTER_VIEWSHED_INCLUDED
15
16#include "gdalalg_raster_pipeline.h"
17#include "viewshed/viewshed_types.h"
18
20
21/************************************************************************/
22/* GDALRasterViewshedAlgorithm */
23/************************************************************************/
24
25 class GDALRasterViewshedAlgorithm /* non final */
26 : public GDALRasterPipelineNonNativelyStreamingAlgorithm
27{
28 public:
29 static constexpr const char *NAME = "viewshed";
30 static constexpr const char *DESCRIPTION =
31 "Compute the viewshed of a raster dataset.";
32 static constexpr const char *HELP_URL =
33 "/programs/gdal_raster_viewshed.html";
34
35 explicit GDALRasterViewshedAlgorithm(bool standaloneStep = false);
36
37 private:
38 bool RunStep(GDALPipelineStepRunContext &ctxt) override;
39
40 std::vector<double> m_observerPos{};
41 gdal::viewshed::Options m_opts{};
42
43 std::string m_outputMode = "normal";
44 int m_band = 1;
45 int m_numThreads = 3;
46
47 // Work variables
48 std::string m_numThreadsStr{};
49};
50
51/************************************************************************/
52/* GDALRasterViewshedAlgorithmStandalone */
53/************************************************************************/
54
55 class GDALRasterViewshedAlgorithmStandalone final
56 : public GDALRasterViewshedAlgorithm
57{
58 public:
59 GDALRasterViewshedAlgorithmStandalone()
60 : GDALRasterViewshedAlgorithm(/* standaloneStep = */ true)
61 {
62 }
63
64 ~GDALRasterViewshedAlgorithmStandalone() override;
65};
66
68
69#endif
gdal::viewshed::Options
Options for viewshed generation.
Definition viewshed_types.h:59