MySQL 8.0.31
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simplify.h
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1#ifndef SQL_GIS_SIMPLIFY_H_INCLUDED
2#define SQL_GIS_SIMPLIFY_H_INCLUDED
3
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25
26/// @file
27///
28/// This file declares the interface to simplify a geometry.
29
30#include <memory> // std::unique_ptr
31
32#include "sql/dd/types/spatial_reference_system.h" // dd::Spatial_reference_system
33#include "sql/gis/geometries.h"
34
35namespace gis {
36
37/// Simplifies a geometry using the Douglas-Peucker algorithm.
38///
39/// @param[in] srs The spatial reference system, common to both geometries.
40/// @param[in] g The geometry.
41/// @param[in] max_distance Cut-off distance (in coordinate units) of the
42/// Douglas-Peucker algorithm.
43/// @param[in] func_name Function name used in error reporting.
44/// @param[out] result The simplified geometry.
45///
46/// @retval false Success.
47/// @retval true An error has occurred. The error has been reported with
48/// my_error().
49bool simplify(const dd::Spatial_reference_system *srs, const Geometry &g,
50 double max_distance, const char *func_name,
51 std::unique_ptr<Geometry> *result) noexcept;
52
53} // namespace gis
54
55#endif // SQL_GIS_SIMPLIFY_H_INCLUDED
Definition: spatial.h:214
Definition: spatial_reference_system.h:52
This file declares the geometry class hierarchy used by the server as the internal representation of ...
Definition: area.cc:46
bool simplify(const dd::Spatial_reference_system *srs, const Geometry &g, double max_distance, const char *func_name, std::unique_ptr< Geometry > *result) noexcept
Simplifies a geometry using the Douglas-Peucker algorithm.
Definition: simplify.cc:131
Definition: result.h:29