/src/gdal/apps/gdalalg_raster_contour.h
Line | Count | Source |
1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: GDAL |
4 | | * Purpose: gdal "raster contour" 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_CONTOUR_INCLUDED |
14 | | #define GDALALG_RASTER_CONTOUR_INCLUDED |
15 | | |
16 | | #include <limits> |
17 | | |
18 | | #include "gdalalg_abstract_pipeline.h" |
19 | | |
20 | | //! @cond Doxygen_Suppress |
21 | | |
22 | | /************************************************************************/ |
23 | | /* GDALRasterContourAlgorithm */ |
24 | | /************************************************************************/ |
25 | | |
26 | | class GDALRasterContourAlgorithm /* non final */ |
27 | | : public GDALPipelineStepAlgorithm |
28 | | { |
29 | | public: |
30 | | static constexpr const char *NAME = "contour"; |
31 | | static constexpr const char *DESCRIPTION = |
32 | | "Creates a vector contour from a raster elevation model (DEM)."; |
33 | | static constexpr const char *HELP_URL = |
34 | | "/programs/gdal_raster_contour.html"; |
35 | | |
36 | | explicit GDALRasterContourAlgorithm(bool standaloneStep = false); |
37 | | |
38 | | bool IsNativelyStreamingCompatible() const override |
39 | 0 | { |
40 | 0 | return false; |
41 | 0 | } |
42 | | |
43 | | int GetInputType() const override |
44 | 0 | { |
45 | 0 | return GDAL_OF_RASTER; |
46 | 0 | } |
47 | | |
48 | | int GetOutputType() const override |
49 | 0 | { |
50 | 0 | return GDAL_OF_VECTOR; |
51 | 0 | } |
52 | | |
53 | | private: |
54 | | bool RunStep(GDALPipelineStepRunContext &ctxt) override; |
55 | | bool RunImpl(GDALProgressFunc pfnProgress, void *pProgressData) override; |
56 | | |
57 | | // gdal_contour specific arguments |
58 | | int m_band = 1; // -b |
59 | | std::string m_elevAttributeName{}; // -a <name> |
60 | | std::string m_amin{}; // -amin <value> |
61 | | std::string m_amax{}; // -amax <value> |
62 | | bool m_3d = false; // -3d |
63 | | // -inodata (skipped) |
64 | | double m_sNodata = |
65 | | std::numeric_limits<double>::quiet_NaN(); // -snodata <value> |
66 | | double m_interval = |
67 | | std::numeric_limits<double>::quiet_NaN(); // -i <interval> |
68 | | double m_offset = |
69 | | std::numeric_limits<double>::quiet_NaN(); // -off <offset> |
70 | | std::vector<std::string> |
71 | | m_levels{}; // -fl <level>[,<level>...] MIN/MAX are also supported |
72 | | int m_expBase = 0; // -e <base> |
73 | | bool m_polygonize = false; // -p |
74 | | int m_groupTransactions = 0; // gt <n> |
75 | | }; |
76 | | |
77 | | /************************************************************************/ |
78 | | /* GDALRasterContourAlgorithmStandalone */ |
79 | | /************************************************************************/ |
80 | | |
81 | | class GDALRasterContourAlgorithmStandalone final |
82 | | : public GDALRasterContourAlgorithm |
83 | | { |
84 | | public: |
85 | | GDALRasterContourAlgorithmStandalone() |
86 | 0 | : GDALRasterContourAlgorithm(/* standaloneStep = */ true) |
87 | 0 | { |
88 | 0 | } |
89 | | |
90 | | ~GDALRasterContourAlgorithmStandalone() override; |
91 | | }; |
92 | | |
93 | | //! @endcond |
94 | | |
95 | | #endif |