GEOS  3.3.8
InteriorPointArea.h
1 /**********************************************************************
2  * $Id: InteriorPointArea.h 3746 2013-01-14 11:08:51Z strk $
3  *
4  * GEOS - Geometry Engine Open Source
5  * http://geos.refractions.net
6  *
7  * Copyright (C) 2013 Sandro Santilli <strk@keybit.net>
8  * Copyright (C) 2005-2006 Refractions Research Inc.
9  * Copyright (C) 2001-2002 Vivid Solutions Inc.
10  *
11  * This is free software; you can redistribute and/or modify it under
12  * the terms of the GNU Lesser General Public Licence as published
13  * by the Free Software Foundation.
14  * See the COPYING file for more information.
15  *
16  **********************************************************************
17  *
18  * Last port: algorithm/InteriorPointArea.java r728 (JTS-1.13+)
19  *
20  **********************************************************************/
21 
22 #ifndef GEOS_ALGORITHM_INTERIORPOINTAREA_H
23 #define GEOS_ALGORITHM_INTERIORPOINTAREA_H
24 
25 #include <geos/export.h>
26 #include <geos/geom/Coordinate.h>
27 
28 // Forward declarations
29 namespace geos {
30  namespace geom {
31  class Geometry;
32  class LineString;
33  class GeometryFactory;
34  class GeometryCollection;
35  }
36 }
37 
38 
39 namespace geos {
40 namespace algorithm { // geos::algorithm
41 
59 class GEOS_DLL InteriorPointArea {
60 
61 private:
62 
63  bool foundInterior;
64 
65  const geom::GeometryFactory *factory;
66 
67  geom::Coordinate interiorPoint;
68 
69  double maxWidth;
70 
71  void add(const geom::Geometry *geom);
72 
73  const geom::Geometry *widestGeometry(const geom::Geometry *geometry);
74 
75  const geom::Geometry *widestGeometry(const geom::GeometryCollection *gc);
76 
77  geom::LineString *horizontalBisector(const geom::Geometry *geometry);
78 
79 public:
80 
82 
84 
85  bool getInteriorPoint(geom::Coordinate& ret) const;
86 
94  void addPolygon(const geom::Geometry *geometry);
95 
96 };
97 
98 } // namespace geos::algorithm
99 } // namespace geos
100 
101 #endif // GEOS_ALGORITHM_INTERIORPOINTAREA_H
102 
103 /**********************************************************************
104  * $Log$
105  * Revision 1.1 2006/03/09 16:46:48 strk
106  * geos::geom namespace definition, first pass at headers split
107  *
108  **********************************************************************/
109