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IsSimpleOp.h
1 /**********************************************************************
2 * $Id: IsSimpleOp.h 3255 2011-03-01 17:56:10Z mloskot $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2009 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: operation/IsSimpleOp.java rev. 1.22 (JTS-1.10)
19 *
20 **********************************************************************/
21
22 #ifndef GEOS_OPERATION_ISSIMPLEOP_H
23 #define GEOS_OPERATION_ISSIMPLEOP_H
24
25 #include <geos/export.h>
26 #include <geos/geom/Coordinate.h> // for dtor visibility by auto_ptr (compos)
27
28 #include <map>
29 #include <memory> // for auto_ptr
30
31 #ifdef _MSC_VER
32 #pragma warning(push)
33 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
34 #endif
35
36 // Forward declarations
37 namespace geos {
38 namespace algorithm {
39 class BoundaryNodeRule;
40 }
41 namespace geom {
42 class LineString;
43 class MultiLineString;
44 class MultiPoint;
45 class Geometry;
46 struct CoordinateLessThen;
47 }
48 namespace geomgraph {
49 class GeometryGraph;
50 }
51 namespace operation {
52 class EndpointInfo;
53 }
54 }
55
56
57 namespace geos {
58 namespace operation { // geos.operation
59
94 class GEOS_DLL IsSimpleOp
95 {
96
97 public:
98
105 IsSimpleOp();
106
114 IsSimpleOp(const geom::Geometry& geom);
115
123 IsSimpleOp(const geom::Geometry& geom,
124 const algorithm::BoundaryNodeRule& boundaryNodeRule);
125
131 bool isSimple();
132
143 const geom::Coordinate* getNonSimpleLocation() const
144 {
145 return nonSimpleLocation.get();
146 }
147
156 bool isSimple(const geom::LineString *geom);
157
166 bool isSimple(const geom::MultiLineString *geom);
167
173 bool isSimple(const geom::MultiPoint *mp);
174
175 bool isSimpleLinearGeometry(const geom::Geometry *geom);
176
177 private:
178
185 bool hasNonEndpointIntersection(geomgraph::GeometryGraph &graph);
186
195 bool hasClosedEndpointIntersection(geomgraph::GeometryGraph &graph);
196
200 void addEndpoint(std::map<const geom::Coordinate*, EndpointInfo*,
201 geom::CoordinateLessThen>&endPoints,
202 const geom::Coordinate *p, bool isClosed);
203
204 bool isClosedEndpointsInInterior;
205
206 bool isSimpleMultiPoint(const geom::MultiPoint& mp);
207
208 const geom::Geometry* geom;
209
210 std::auto_ptr<geom::Coordinate> nonSimpleLocation;
211 };
212
213 } // namespace geos.operation
214 } // namespace geos
215
216 #ifdef _MSC_VER
217 #pragma warning(pop)
218 #endif
219
220 #endif
221
222 /**********************************************************************
223 * $Log$
224 * Revision 1.2 2006/03/15 18:59:33 strk
225 * Bug #62: 'struct' CoordinateLessThen in forward declaration
226 *
227 * Revision 1.1 2006/03/09 16:46:49 strk
228 * geos::geom namespace definition, first pass at headers split
229 *
230 **********************************************************************/
231