GEOS  3.4.2
SimplePointInAreaLocator.h
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6  * Copyright (C) 2005-2006 Refractions Research Inc.
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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 
50 public:
51 
52  static int locate(const geom::Coordinate& p,
53  const geom::Geometry *geom);
54 
55  static bool containsPointInPolygon(const geom::Coordinate& p,
56  const geom::Polygon *poly);
57 
59  : g( g)
60  { }
61 
62  int locate( const geom::Coordinate * p)
63  {
64  return locate( *p, g);
65  }
66 
67 private:
68 
69  static bool containsPoint(const geom::Coordinate& p,
70  const geom::Geometry *geom);
71 
72  const geom::Geometry * g;
73 
74 };
75 
76 } // geos::algorithm::locate
77 } // geos::algorithm
78 } // geos
79 
80 
81 #endif // GEOS_ALGORITHM_LOCATE_SIMPLEPOINTINAREALOCATOR_H
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Computes the location of points relative to an areal 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:35
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
Represents a linear polygon, which may include holes.
Definition: Polygon.h:66
int locate(const geom::Coordinate *p)
Definition: SimplePointInAreaLocator.h:62