GEOS: GeometryCombiner.h Source File

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GeometryCombiner.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2006-2011 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 * Last port: geom/util/GeometryCombiner.java r320 (JTS-1.12)
16 *
17 **********************************************************************/
18
19 #ifndef GEOS_GEOM_UTIL_GEOMETRYCOMBINER_H
20 #define GEOS_GEOM_UTIL_GEOMETRYCOMBINER_H
21
22 #include <vector>
23
24 // Forward declarations
25 namespace geos {
26 namespace geom {
27 class Geometry;
28 class GeometryFactory;
29 }
30 }
31
32 namespace geos {
33 namespace geom { // geos.geom
34 namespace util { // geos.geom.util
35
47 class GeometryCombiner
48 {
49 public:
56 static Geometry* combine(std::vector<Geometry*> const& geoms);
57
65 static Geometry* combine(const Geometry* g0, const Geometry* g1);
66
75 static Geometry* combine(const Geometry* g0, const Geometry* g1, const Geometry* g2);
76
77 private:
78 GeometryFactory const* geomFactory;
79 bool skipEmpty;
80 std::vector<Geometry*> const& inputGeoms;
81
82 public:
88 GeometryCombiner(std::vector<Geometry*> const& geoms);
89
96 static GeometryFactory const* extractFactory(std::vector<Geometry*> const& geoms);
97
104 Geometry* combine();
105
106 private:
107 void extractElements(Geometry* geom, std::vector<Geometry*>& elems);
108
109 // Declare type as noncopyable
110 GeometryCombiner(const GeometryCombiner& other);
111 GeometryCombiner& operator=(const GeometryCombiner& rhs);
112 };
113
114 } // namespace geos.geom.util
115 } // namespace geos.geom
116 } // namespace geos
117
118 #endif
geos::geom::Geometry
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:167
geos::geom::util::GeometryCombiner
Definition: GeometryCombiner.h:47
geos::geom::GeometryFactory
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:67
geos
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25