NodingValidator.h

00001 /**********************************************************************
00002  * $Id: NodingValidator.h 1931 2006-12-05 09:59:04Z 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 #ifndef GEOS_NODING_NODINGVALIDATOR_H
00017 #define GEOS_NODING_NODINGVALIDATOR_H
00018 
00019 #include <vector>
00020 #include <iostream>
00021 
00022 #include <geos/inline.h>
00023 
00024 #include <geos/algorithm/LineIntersector.h>
00025 //#include <geos/geom/Coordinate.h>
00026 
00027 // Forward declarations
00028 namespace geos {
00029         namespace geom {
00030                 class Coordinate;
00031         }
00032         namespace noding {
00033                 class SegmentString;
00034         }
00035 }
00036 
00037 namespace geos {
00038 namespace noding { // geos.noding
00039 
00047 class NodingValidator {
00048 private:
00049         algorithm::LineIntersector li;
00050         const std::vector<SegmentString*>& segStrings;
00051 
00056         void checkCollapses() const;
00057 
00058         void checkCollapses(const SegmentString& ss) const;
00059 
00060         void checkCollapse(const geom::Coordinate& p0, const geom::Coordinate& p1,
00061                         const geom::Coordinate& p2) const;
00062 
00067         void checkInteriorIntersections();
00068 
00069         void checkInteriorIntersections(const SegmentString& ss0,
00070                         const SegmentString& ss1);
00071 
00072         void checkInteriorIntersections(
00073                         const SegmentString& e0, unsigned int segIndex0,
00074                         const SegmentString& e1, unsigned int segIndex1);
00075 
00080         void checkEndPtVertexIntersections() const;
00081 
00082         void checkEndPtVertexIntersections(const geom::Coordinate& testPt,
00083                         const std::vector<SegmentString*>& segStrings) const;
00084 
00089         bool hasInteriorIntersection(const algorithm::LineIntersector& aLi,
00090                         const geom::Coordinate& p0, const geom::Coordinate& p1) const;
00091 
00092 public:
00093 
00094         NodingValidator(const std::vector<SegmentString*>& newSegStrings):
00095                 segStrings(newSegStrings)
00096         {}
00097 
00098         ~NodingValidator() {}
00099 
00100         void checkValid();
00101 
00102 };
00103 
00104 
00105 } // namespace geos.noding
00106 } // namespace geos
00107 
00108 //#ifdef GEOS_INLINE
00109 //# include "geos/noding/NodingValidator.inl"
00110 //#endif
00111 
00112 #endif // GEOS_NODING_NODINGVALIDATOR_H
00113 
00114 /**********************************************************************
00115  * $Log$
00116  * Revision 1.2  2006/03/24 09:52:41  strk
00117  * USE_INLINE => GEOS_INLINE
00118  *
00119  * Revision 1.1  2006/03/09 16:46:49  strk
00120  * geos::geom namespace definition, first pass at headers split
00121  *
00122  **********************************************************************/
00123 

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