GEOS  3.4.2
RelateNode.h
00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2006 Refractions Research Inc.
00007  *
00008  * This is free software; you can redistribute and/or modify it under
00009  * the terms of the GNU Lesser General Public Licence as published
00010  * by the Free Software Foundation. 
00011  * See the COPYING file for more information.
00012  *
00013  **********************************************************************
00014  *
00015  * Last port: operation/relate/RelateNode.java rev. 1.11 (JTS-1.10)
00016  *
00017  **********************************************************************/
00018 
00019 #ifndef GEOS_OP_RELATE_RELATENODE_H
00020 #define GEOS_OP_RELATE_RELATENODE_H
00021 
00022 #include <geos/export.h>
00023 
00024 #include <geos/geomgraph/Node.h> // for inheritance
00025 
00026 // Forward declarations
00027 namespace geos {
00028         namespace geom {
00029                 class IntersectionMatrix;
00030                 class Coordinate;
00031         }
00032         namespace geomgraph {
00033                 class EdgeEndStar;
00034         }
00035 }
00036 
00037 
00038 namespace geos {
00039 namespace operation { // geos::operation
00040 namespace relate { // geos::operation::relate
00041 
00046 class GEOS_DLL RelateNode: public geomgraph::Node {
00047 
00048 public:
00049 
00050         RelateNode(const geom::Coordinate& coord, geomgraph::EdgeEndStar *edges);
00051 
00052         virtual ~RelateNode();
00053 
00057         void updateIMFromEdges(geom::IntersectionMatrix& im);
00058 
00059 protected:
00060 
00061         void computeIM(geom::IntersectionMatrix& im);
00062 };
00063 
00064 
00065 } // namespace geos:operation:relate
00066 } // namespace geos:operation
00067 } // namespace geos
00068 
00069 #endif // GEOS_OP_RELATE_RELATENODE_H