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EdgeEndBuilder.h

00001 /**********************************************************************
00002  * $Id: EdgeEndBuilder.h 2557 2009-06-08 09:30:55Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************
00015  *
00016  * Last port: operation/relate/EdgeEndBuilder.java rev. 1.12 (JTS-1.10)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_OP_RELATE_EDGEENDBUILDER_H
00021 #define GEOS_OP_RELATE_EDGEENDBUILDER_H
00022 
00023 #include <geos/export.h>
00024 
00025 #include <vector>
00026 
00027 // Forward declarations
00028 namespace geos {
00029         namespace geom {
00030                 class IntersectionMatrix;
00031                 class Coordinate;
00032         }
00033         namespace geomgraph {
00034                 class Edge;
00035                 class EdgeIntersection;
00036                 class EdgeEnd;
00037         }
00038 }
00039 
00040 
00041 namespace geos {
00042 namespace operation { // geos::operation
00043 namespace relate { // geos::operation::relate
00044 
00049 class GEOS_DLL EdgeEndBuilder {
00050 public:
00051         EdgeEndBuilder() {}
00052 
00053         std::vector<geomgraph::EdgeEnd*> *computeEdgeEnds(std::vector<geomgraph::Edge*> *edges);
00054         void computeEdgeEnds(geomgraph::Edge *edge,std::vector<geomgraph::EdgeEnd*> *l);
00055 
00056 protected:
00057 
00058         void createEdgeEndForPrev(geomgraph::Edge *edge,
00059                         std::vector<geomgraph::EdgeEnd*> *l,
00060                         geomgraph::EdgeIntersection *eiCurr,
00061                         geomgraph::EdgeIntersection *eiPrev);
00062 
00063         void createEdgeEndForNext(geomgraph::Edge *edge,
00064                         std::vector<geomgraph::EdgeEnd*> *l,
00065                         geomgraph::EdgeIntersection *eiCurr,
00066                         geomgraph::EdgeIntersection *eiNext);
00067 };
00068 
00069 } // namespace geos:operation:relate
00070 } // namespace geos:operation
00071 } // namespace geos
00072 
00073 #endif // GEOS_OP_RELATE_EDGEENDBUILDER_H
00074 
00075 /**********************************************************************
00076  * $Log$
00077  * Revision 1.1  2006/03/21 13:11:29  strk
00078  * opRelate.h header split
00079  *
00080  **********************************************************************/
00081 

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