GEOS  3.8.0dev
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.
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
27 namespace geos {
28 namespace algorithm { // geos::algorithm
29
37 class GEOS_DLL PointLocation {
38 public:
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
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Functions for locating points within basic geometric structures such as lines and rings...
Definition: PointLocation.h:37
Location
Constants representing the location of a point relative to a geometry.
Definition: Location.h:33
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:58