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GeometryCombiner.h
1 /**********************************************************************
2 * $Id: GeometryCombiner.h 3177 2011-02-03 19:58:51Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2006-2011 Refractions Research 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.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************
15 *
16 * Last port: geom/util/GeometryCombiner.java r320 (JTS-1.12)
17 *
18 **********************************************************************/
19
20 #ifndef GEOS_GEOM_UTIL_GEOMETRYCOMBINER_H
21 #define GEOS_GEOM_UTIL_GEOMETRYCOMBINER_H
22
23 #include <vector>
24
25 // Forward declarations
26 namespace geos {
27 namespace geom {
28 class Geometry;
29 class GeometryFactory;
30 }
31 }
32
33 namespace geos {
34 namespace geom { // geos.geom
35 namespace util { // geos.geom.util
36
48 class GeometryCombiner
49 {
50 public:
57 static Geometry* combine(std::vector<Geometry*> const& geoms);
58
66 static Geometry* combine(const Geometry* g0, const Geometry* g1);
67
76 static Geometry* combine(const Geometry* g0, const Geometry* g1, const Geometry* g2);
77
78 private:
79 GeometryFactory const* geomFactory;
80 bool skipEmpty;
81 std::vector<Geometry*> const& inputGeoms;
82
83 public:
89 GeometryCombiner(std::vector<Geometry*> const& geoms);
90
97 static GeometryFactory const* extractFactory(std::vector<Geometry*> const& geoms);
98
105 Geometry* combine();
106
107 private:
108 void extractElements(Geometry* geom, std::vector<Geometry*>& elems);
109
110 // Declare type as noncopyable
111 GeometryCombiner(const GeometryCombiner& other);
112 GeometryCombiner& operator=(const GeometryCombiner& rhs);
113 };
114
115 } // namespace geos.geom.util
116 } // namespace geos.geom
117 } // namespace geos
118
119 #endif
120
121 /**********************************************************************
122 * $Log$
123 *
124 **********************************************************************/