GEOS  3.6.1
SweepLineSegment.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2005-2006 Refractions Research Inc.
7  * Copyright (C) 2001-2002 Vivid Solutions Inc.
8  *
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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 #ifndef GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
17 #define GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
18 
19 
20 #include <geos/export.h>
21 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
22 
23 // Forward declarations
24 namespace geos {
25  namespace geom {
26  class CoordinateSequence;
27  }
28  namespace geomgraph {
29  class Edge;
30  namespace index {
31  class SegmentIntersector;
32  }
33  }
34 }
35 
36 namespace geos {
37 namespace geomgraph { // geos::geomgraph
38 namespace index { // geos::geomgraph::index
39 
40 class GEOS_DLL SweepLineSegment: public SweepLineEventOBJ {
41 public:
42  SweepLineSegment(Edge *newEdge, int newPtIndex);
43  ~SweepLineSegment();
44  double getMinX();
45  double getMaxX();
46  void computeIntersections(SweepLineSegment *ss, SegmentIntersector *si);
47 protected:
48  Edge *edge;
49  const geom::CoordinateSequence* pts;
50  int ptIndex;
51 };
52 
53 
54 
55 } // namespace geos.geomgraph.index
56 } // namespace geos.geomgraph
57 } // namespace geos
58 
59 #endif
60 
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25