GDAL

gdalalg_raster_neighbors.h
1/******************************************************************************
2 *
3 * Project: GDAL
4 * Purpose: "neighbors" 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_NEIGHBORS_INCLUDED
14#define GDALALG_RASTER_NEIGHBORS_INCLUDED
15
16#include "gdalalg_raster_pipeline.h"
17
19
20/************************************************************************/
21/* GDALRasterNeighborsAlgorithm */
22/************************************************************************/
23
24 class GDALRasterNeighborsAlgorithm : public GDALRasterPipelineStepAlgorithm
25{
26 public:
27 explicit GDALRasterNeighborsAlgorithm(bool standaloneStep = false) noexcept;
28
29 static constexpr const char *NAME = "neighbors";
30 static constexpr const char *DESCRIPTION =
31 "Compute the value of each pixel from its neighbors (focal statistics)";
32 static constexpr const char *HELP_URL =
33 "/programs/gdal_raster_neighbors.html";
34
35 static std::vector<std::string> GetAliasesStatic()
36 {
37 return {"neighbours"};
38 }
39
40 private:
41 bool RunStep(GDALPipelineStepRunContext &ctxt) override;
42
43 int m_band = 0;
44 std::vector<std::string> m_method{};
45 int m_size = 0;
46 std::vector<std::string> m_kernel{};
47 std::string m_type{};
48 std::string m_nodata{};
49};
50
51/************************************************************************/
52/* GDALRasterNeighborsAlgorithmStandalone */
53/************************************************************************/
54
55 class GDALRasterNeighborsAlgorithmStandalone final
56 : public GDALRasterNeighborsAlgorithm
57{
58 public:
59 GDALRasterNeighborsAlgorithmStandalone()
60 : GDALRasterNeighborsAlgorithm(/* standaloneStep = */ true)
61 {
62 }
63
64 ~GDALRasterNeighborsAlgorithmStandalone() override;
65};
66
68
69#endif /* GDALALG_RASTER_CALC_INCLUDED */