GEOS  3.3.3
SweepLineSegment.h
1 /**********************************************************************
2  * $Id: SweepLineSegment.h 2556 2009-06-06 22:22:28Z strk $
3  *
4  * GEOS - Geometry Engine Open Source
5  * http://geos.refractions.net
6  *
7  * Copyright (C) 2005-2006 Refractions Research Inc.
8  * Copyright (C) 2001-2002 Vivid Solutions Inc.
9  *
10  * This is free software; you can redistribute and/or modify it under
11  * the terms of the GNU Lesser General Public Licence as published
12  * by the Free Software Foundation.
13  * See the COPYING file for more information.
14  *
15  **********************************************************************/
16 
17 #ifndef GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
18 #define GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
19 
20 
21 #include <geos/export.h>
22 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
23 
24 // Forward declarations
25 namespace geos {
26  namespace geom {
27  class CoordinateSequence;
28  }
29  namespace geomgraph {
30  class Edge;
31  namespace index {
32  class SegmentIntersector;
33  }
34  }
35 }
36 
37 namespace geos {
38 namespace geomgraph { // geos::geomgraph
39 namespace index { // geos::geomgraph::index
40 
41 class GEOS_DLL SweepLineSegment: public SweepLineEventOBJ {
42 public:
43  SweepLineSegment(Edge *newEdge, int newPtIndex);
44  ~SweepLineSegment();
45  double getMinX();
46  double getMaxX();
47  void computeIntersections(SweepLineSegment *ss, SegmentIntersector *si);
48 protected:
49  Edge *edge;
50  const geom::CoordinateSequence* pts;
51  int ptIndex;
52 };
53 
54 
55 
56 } // namespace geos.geomgraph.index
57 } // namespace geos.geomgraph
58 } // namespace geos
59 
60 #endif
61 
62 /**********************************************************************
63  * $Log$
64  * Revision 1.1 2006/03/14 12:55:56 strk
65  * Headers split: geomgraphindex.h, nodingSnapround.h
66  *
67  **********************************************************************/
68