GEOS 3.9.1
PointLocation.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2018 Paul Ramsey <pramsey@cleverlephant.ca>
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************
14 *
15 * Last port: algorithm/PointLocation.java @ 2017-09-04
16 *
17 **********************************************************************/
18
19#ifndef GEOS_ALGORITHM_POINTLOCATION_H
20#define GEOS_ALGORITHM_POINTLOCATION_H
21
22#include <geos/export.h>
23#include <geos/geom/Coordinate.h>
24#include <geos/geom/CoordinateSequence.h>
25#include <geos/geom/Location.h>
26
27namespace geos {
28namespace algorithm { // geos::algorithm
29
37class GEOS_DLL PointLocation {
38public:
39
49 static bool isOnLine(const geom::Coordinate& p, const geom::CoordinateSequence* line);
50
67 static bool isInRing(const geom::Coordinate& p, const std::vector<const geom::Coordinate*>& ring);
68 static bool isInRing(const geom::Coordinate& p, const geom::CoordinateSequence* ring);
69
82 static geom::Location locateInRing(const geom::Coordinate& p, const std::vector<const geom::Coordinate*>& ring);
83 static geom::Location locateInRing(const geom::Coordinate& p, const geom::CoordinateSequence& ring);
84
85};
86
87
88} // namespace geos::algorithm
89} // namespace geos
90
91
92#endif // GEOS_ALGORITHM_POINTLOCATION_H
Functions for locating points within basic geometric structures such as lines and rings.
Definition: PointLocation.h:37
static bool isOnLine(const geom::Coordinate &p, const geom::CoordinateSequence *line)
Tests whether a point lies on the line defined by a CoordinateSequence.
static geom::Location locateInRing(const geom::Coordinate &p, const std::vector< const geom::Coordinate * > &ring)
Determines whether a point lies in the interior, on the boundary, or in the exterior of a ring....
static bool isInRing(const geom::Coordinate &p, const std::vector< const geom::Coordinate * > &ring)
Tests whether a point lies inside or on a ring.
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:58
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Location
Constants representing the location of a point relative to a geometry.
Definition: Location.h:34
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26