MySQL 9.0.0
Source Code Documentation
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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26
27/// @file
28///
29/// This file declares the interface to simplify a geometry.
30
31#include <memory> // std::unique_ptr
32
33#include "sql/dd/types/spatial_reference_system.h" // dd::Spatial_reference_system
34#include "sql/gis/geometries.h"
35
36namespace gis {
37
38/// Simplifies a geometry using the Douglas-Peucker algorithm.
39///
40/// @param[in] srs The spatial reference system, common to both geometries.
41/// @param[in] g The geometry.
42/// @param[in] max_distance Cut-off distance (in coordinate units) of the
43/// Douglas-Peucker algorithm.
44/// @param[in] func_name Function name used in error reporting.
45/// @param[out] result The simplified geometry.
46///
47/// @retval false Success.
48/// @retval true An error has occurred. The error has been reported with
49/// my_error().
50bool simplify(const dd::Spatial_reference_system *srs, const Geometry &g,
51 double max_distance, const char *func_name,
52 std::unique_ptr<Geometry> *result) noexcept;
53
54} // namespace gis
55
56#endif // SQL_GIS_SIMPLIFY_H_INCLUDED
Definition: spatial.h:213
Definition: spatial_reference_system.h:53
This file declares the geometry class hierarchy used by the server as the internal representation of ...
Definition: area.cc:47
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:132
Definition: result.h:30