GEOS  3.9.0dev
SimplePointInAreaLocator.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2005-2006 Refractions Research Inc.
7  * Copyright (C) 2001-2002 Vivid Solutions Inc.
8  *
9  * This is free software; you can redistribute and/or modify it under
10  * the terms of the GNU Lesser General Public Licence as published
11  * by the Free Software Foundation.
13  *
14  **********************************************************************/
15
16 #ifndef GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H
17 #define GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H
18
19 #include <geos/algorithm/locate/PointOnGeometryLocator.h> // inherited
20
21 // Forward declarations
22 namespace geos {
23 namespace geom {
24 class Geometry;
25 class Coordinate;
26 class Polygon;
27 }
28 }
29
30 namespace geos {
31 namespace algorithm { // geos::algorithm
32 namespace locate { // geos::algorithm::locate
33
48
49 public:
50
51  static geom::Location locate(const geom::Coordinate& p,
52  const geom::Geometry* geom);
53
74  const geom::Polygon* poly);
75
88  static bool isContained(const geom::Coordinate& p,
89  const geom::Geometry* geom);
90
92  : g(p_g)
93  { }
94
96  locate(const geom::Coordinate* p) override
97  {
98  return locate(*p, g);
99  }
100
101 private:
102
103  static geom::Location locateInGeometry(const geom::Coordinate& p,
104  const geom::Geometry* geom);
105
106  const geom::Geometry* g;
107
108 };
109
110 } // geos::algorithm::locate
111 } // geos::algorithm
112 } // geos
113
114
115 #endif // GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H
static geom::Location locatePointInPolygon(const geom::Coordinate &p, const geom::Polygon *poly)
Determines the Location of a point in a Polygon.
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Computes the location of points relative to a polygonal Geometry, using a simple O(n) algorithm...
Definition: SimplePointInAreaLocator.h:47
An interface for classes which determine the Location of points in Polygon or MultiPolygon geometries...
Definition: PointOnGeometryLocator.h:37
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:188
static bool isContained(const geom::Coordinate &p, const geom::Geometry *geom)
Determines whether a point is contained in a Geometry, or lies on its boundary.
Represents a linear polygon, which may include holes.
Definition: Polygon.h:64
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
geom::Location locate(const geom::Coordinate *p) override
Definition: SimplePointInAreaLocator.h:96