/src/gdal/apps/gdalalg_raster_sieve.h
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: GDAL |
4 | | * Purpose: gdal "raster sieve" 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_SIEVE_INCLUDED |
14 | | #define GDALALG_RASTER_SIEVE_INCLUDED |
15 | | |
16 | | #include "gdalalg_raster_pipeline.h" |
17 | | |
18 | | //! @cond Doxygen_Suppress |
19 | | |
20 | | /************************************************************************/ |
21 | | /* GDALRasterSieveAlgorithm */ |
22 | | /************************************************************************/ |
23 | | |
24 | | class GDALRasterSieveAlgorithm /* non final */ |
25 | | : public GDALRasterPipelineNonNativelyStreamingAlgorithm |
26 | | { |
27 | | public: |
28 | | static constexpr const char *NAME = "sieve"; |
29 | | static constexpr const char *DESCRIPTION = |
30 | | "Remove small polygons from a raster dataset."; |
31 | | static constexpr const char *HELP_URL = "/programs/gdal_raster_sieve.html"; |
32 | | |
33 | | explicit GDALRasterSieveAlgorithm(bool standaloneStep = false); |
34 | | |
35 | | private: |
36 | | bool RunStep(GDALPipelineStepRunContext &ctxt) override; |
37 | | |
38 | | int m_band = 1; |
39 | | int m_sizeThreshold = 2; |
40 | | bool m_connectDiagonalPixels = false; |
41 | | GDALArgDatasetValue m_maskDataset{}; |
42 | | }; |
43 | | |
44 | | /************************************************************************/ |
45 | | /* GDALRasterSieveAlgorithmStandalone */ |
46 | | /************************************************************************/ |
47 | | |
48 | | class GDALRasterSieveAlgorithmStandalone final : public GDALRasterSieveAlgorithm |
49 | | { |
50 | | public: |
51 | | GDALRasterSieveAlgorithmStandalone() |
52 | 0 | : GDALRasterSieveAlgorithm(/* standaloneStep = */ true) |
53 | 0 | { |
54 | 0 | } |
55 | | |
56 | | ~GDALRasterSieveAlgorithmStandalone() override; |
57 | | }; |
58 | | |
59 | | //! @endcond |
60 | | |
61 | | #endif |