GDAL

gdalalg_raster_sieve.h
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
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 : GDALRasterSieveAlgorithm(/* standaloneStep = */ true)
53 {
54 }
55
56 ~GDALRasterSieveAlgorithmStandalone() override;
57};
58
60
61#endif
GDALArgDatasetValue
Value for an argument that points to a GDALDataset.
Definition gdalalgorithm_cpp.h:149