/src/gdal/apps/gdalalg_raster_scale.h
Line | Count | Source |
1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: GDAL |
4 | | * Purpose: "scale" 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_SCALE_INCLUDED |
14 | | #define GDALALG_RASTER_SCALE_INCLUDED |
15 | | |
16 | | #include <limits> |
17 | | |
18 | | #include "gdalalg_raster_pipeline.h" |
19 | | |
20 | | //! @cond Doxygen_Suppress |
21 | | |
22 | | /************************************************************************/ |
23 | | /* GDALRasterScaleAlgorithm */ |
24 | | /************************************************************************/ |
25 | | |
26 | | class GDALRasterScaleAlgorithm /* non final */ |
27 | | : public GDALRasterPipelineStepAlgorithm |
28 | | { |
29 | | public: |
30 | | static constexpr const char *NAME = "scale"; |
31 | | static constexpr const char *DESCRIPTION = |
32 | | "Scale the values of the bands of a raster dataset."; |
33 | | static constexpr const char *HELP_URL = "/programs/gdal_raster_scale.html"; |
34 | | |
35 | | explicit GDALRasterScaleAlgorithm(bool standaloneStep = false); |
36 | | |
37 | | private: |
38 | | bool RunStep(GDALPipelineStepRunContext &ctxt) override; |
39 | | |
40 | | std::string m_type{}; |
41 | | int m_band = 0; |
42 | | double m_srcMin = std::numeric_limits<double>::quiet_NaN(); |
43 | | double m_srcMax = std::numeric_limits<double>::quiet_NaN(); |
44 | | double m_dstMin = std::numeric_limits<double>::quiet_NaN(); |
45 | | double m_dstMax = std::numeric_limits<double>::quiet_NaN(); |
46 | | double m_exponent = std::numeric_limits<double>::quiet_NaN(); |
47 | | bool m_noClip = false; |
48 | | }; |
49 | | |
50 | | /************************************************************************/ |
51 | | /* GDALRasterScaleAlgorithmStandalone */ |
52 | | /************************************************************************/ |
53 | | |
54 | | class GDALRasterScaleAlgorithmStandalone final : public GDALRasterScaleAlgorithm |
55 | | { |
56 | | public: |
57 | | GDALRasterScaleAlgorithmStandalone() |
58 | 0 | : GDALRasterScaleAlgorithm(/* standaloneStep = */ true) |
59 | 0 | { |
60 | 0 | } |
61 | | |
62 | | ~GDALRasterScaleAlgorithmStandalone() override; |
63 | | }; |
64 | | |
65 | | //! @endcond |
66 | | |
67 | | #endif /* GDALALG_RASTER_SCALE_INCLUDED */ |