MonotoneChain.h

00001 /**********************************************************************
00002  * $Id: MonotoneChain.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_MONOTONECHAIN_H
00018 #define GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H
00019 
00020 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
00021 #include <geos/geomgraph/index/MonotoneChainEdge.h> // for inline
00022 
00023 // Forward declarations
00024 namespace geos {
00025         namespace geomgraph {
00026                 class Edge;
00027                 namespace index {
00028                         class SegmentIntersector;
00029                         //class MonotoneChainEdge; 
00030                 }
00031         }
00032 }
00033 
00034 namespace geos {
00035 namespace geomgraph { // geos::geomgraph
00036 namespace index { // geos::geomgraph::index
00037 
00041 class MonotoneChain: public SweepLineEventOBJ {
00042 private:
00043         MonotoneChainEdge *mce;
00044         int chainIndex;
00045 
00046 public:
00047 
00048         MonotoneChain(MonotoneChainEdge *newMce, int newChainIndex):
00049                 mce(newMce),
00050                 chainIndex(newChainIndex)
00051         {}
00052 
00053         ~MonotoneChain() {}
00054 
00055         void computeIntersections(MonotoneChain *mc,SegmentIntersector *si) {
00056                 mce->computeIntersectsForChain(chainIndex,*(mc->mce),mc->chainIndex,*si);
00057         }
00058 };
00059 
00060 
00061 
00062 
00063 } // namespace geos.geomgraph.index
00064 } // namespace geos.geomgraph
00065 } // namespace geos
00066 
00067 #endif
00068 
00069 /**********************************************************************
00070  * $Log$
00071  * Revision 1.1  2006/03/14 12:55:55  strk
00072  * Headers split: geomgraphindex.h, nodingSnapround.h
00073  *
00074  **********************************************************************/
00075 

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