GEOS  3.4.2
PreparedPolygon.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2006 Refractions Research Inc.
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  *
16  * Last port: geom/prep/PreparedPolygon.java rev 1.7 (JTS-1.10)
17  *
18  **********************************************************************/
19 
20 #ifndef GEOS_GEOM_PREP_PREPAREDPOLYGON_H
21 #define GEOS_GEOM_PREP_PREPAREDPOLYGON_H
22 
23 #include <geos/geom/prep/BasicPreparedGeometry.h> // for inheritance
24 #include <geos/noding/SegmentString.h>
25 
26 namespace geos {
27  namespace noding {
28  class FastSegmentSetIntersectionFinder;
29  }
30  namespace algorithm {
31  namespace locate {
32  class PointOnGeometryLocator;
33  }
34  }
35 }
36 
37 namespace geos {
38 namespace geom { // geos::geom
39 namespace prep { // geos::geom::prep
40 
49 {
50 private:
51  bool isRectangle;
52  mutable noding::FastSegmentSetIntersectionFinder * segIntFinder;
53  mutable algorithm::locate::PointOnGeometryLocator * ptOnGeomLoc;
54  mutable noding::SegmentString::ConstVect segStrings;
55 
56 protected:
57 public:
58  PreparedPolygon( const geom::Geometry * geom);
59  ~PreparedPolygon( );
60 
61  noding::FastSegmentSetIntersectionFinder * getIntersectionFinder() const;
62  algorithm::locate::PointOnGeometryLocator * getPointLocator() const;
63 
64  bool contains( const geom::Geometry* g) const;
65  bool containsProperly( const geom::Geometry* g) const;
66  bool covers( const geom::Geometry* g) const;
67  bool intersects( const geom::Geometry* g) const;
68 
69 };
70 
71 } // namespace geos::geom::prep
72 } // namespace geos::geom
73 } // namespace geos
74 
75 #endif // GEOS_GEOM_PREP_PREPAREDPOLYGON_H
Finds if two sets of SegmentStringss intersect.
Definition: FastSegmentSetIntersectionFinder.h:49
bool covers(const geom::Geometry *g) const
An interface for classes which determine the Location of points in Polygon or MultiPolygon geometries...
Definition: PointOnGeometryLocator.h:35
bool contains(const geom::Geometry *g) const
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
bool containsProperly(const geom::Geometry *g) const
A base class for PreparedGeometry subclasses.
Definition: BasicPreparedGeometry.h:59
A prepared version of Polygon or MultiPolygon geometries.
Definition: PreparedPolygon.h:48
bool intersects(const geom::Geometry *g) const