GEOS 3.3.1
MonotoneChain.h
00001 /**********************************************************************
00002  * $Id: MonotoneChain.h 3332 2011-05-06 18:51:46Z strk $
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  * Last port: geomgraph/index/MonotoneChain.java rev. 1.3 (JTS-1.7)
00018  *
00019  **********************************************************************/
00020 
00021 #ifndef GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H
00022 #define GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H
00023 
00024 
00025 #include <geos/export.h>
00026 #include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
00027 #include <geos/geomgraph/index/MonotoneChainEdge.h> // for inline
00028 
00029 // Forward declarations
00030 namespace geos {
00031         namespace geomgraph {
00032                 namespace index {
00033                         class SegmentIntersector;
00034                 }
00035         }
00036 }
00037 
00038 namespace geos {
00039 namespace geomgraph { // geos::geomgraph
00040 namespace index { // geos::geomgraph::index
00041 
00045 class GEOS_DLL MonotoneChain: public SweepLineEventOBJ {
00046 private:
00047         MonotoneChainEdge *mce;
00048         int chainIndex;
00049 
00050 public:
00051 
00052         MonotoneChain(MonotoneChainEdge *newMce, int newChainIndex):
00053                 mce(newMce),
00054                 chainIndex(newChainIndex)
00055         {}
00056 
00057         ~MonotoneChain() {}
00058 
00059         void computeIntersections(MonotoneChain *mc,SegmentIntersector *si) {
00060                 mce->computeIntersectsForChain(chainIndex,*(mc->mce),mc->chainIndex,*si);
00061         }
00062 };
00063 
00064 
00065 
00066 
00067 } // namespace geos.geomgraph.index
00068 } // namespace geos.geomgraph
00069 } // namespace geos
00070 
00071 #endif
00072 
00073 /**********************************************************************
00074  * $Log$
00075  * Revision 1.1  2006/03/14 12:55:55  strk
00076  * Headers split: geomgraphindex.h, nodingSnapround.h
00077  *
00078  **********************************************************************/
00079