SweepLineSegment.h

00001 /**********************************************************************
00002  * $Id: SweepLineSegment.h 1820 2006-09-06 16:54:23Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00009  *
00010  * This is free software; you can redistribute and/or modify it under
00011  * the terms of the GNU Lesser General Public Licence as published
00012  * by the Free Software Foundation. 
00013  * See the COPYING file for more information.
00014  *
00015  **********************************************************************/
00016 
00017 #ifndef GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
00018 #define GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H
00019 
00020 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
00021 
00022 // Forward declarations
00023 namespace geos {
00024         namespace geom {
00025                 class CoordinateSequence;
00026         }
00027         namespace geomgraph {
00028                 class Edge;
00029                 namespace index {
00030                         class SegmentIntersector;
00031                 }
00032         }
00033 }
00034 
00035 namespace geos {
00036 namespace geomgraph { // geos::geomgraph
00037 namespace index { // geos::geomgraph::index
00038 
00039 class SweepLineSegment: public SweepLineEventOBJ {
00040 public:
00041         SweepLineSegment(Edge *newEdge, int newPtIndex);
00042         ~SweepLineSegment();
00043         double getMinX();
00044         double getMaxX();
00045         void computeIntersections(SweepLineSegment *ss, SegmentIntersector *si);
00046 protected:
00047         Edge *edge;
00048         const geom::CoordinateSequence* pts;
00049         int ptIndex;
00050 };
00051 
00052 
00053 
00054 } // namespace geos.geomgraph.index
00055 } // namespace geos.geomgraph
00056 } // namespace geos
00057 
00058 #endif
00059 
00060 /**********************************************************************
00061  * $Log$
00062  * Revision 1.1  2006/03/14 12:55:56  strk
00063  * Headers split: geomgraphindex.h, nodingSnapround.h
00064  *
00065  **********************************************************************/
00066 

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