GEOS 3.2.1
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00001 /********************************************************************** 00002 * $Id: LineSegmentIndex.h 2785 2009-12-03 19:55:11Z mloskot $ 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 Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 ********************************************************************** 00015 * 00016 * Last port: simplify/LineSegmentIndex.java rev. 1.1 (JTS-1.7.1) 00017 * 00018 ********************************************************************** 00019 * 00020 * NOTES 00021 * 00022 **********************************************************************/ 00023 00024 #ifndef GEOS_SIMPLIFY_LINESEGMENTINDEX_H 00025 #define GEOS_SIMPLIFY_LINESEGMENTINDEX_H 00026 00027 #include <geos/export.h> 00028 #include <vector> 00029 #include <memory> // for auto_ptr 00030 00031 // Forward declarations 00032 namespace geos { 00033 namespace geom { 00034 class Envelope; 00035 class LineSegment; 00036 } 00037 namespace simplify { 00038 class TaggedLineString; 00039 } 00040 namespace index { 00041 namespace quadtree { 00042 class Quadtree; 00043 } 00044 } 00045 } 00046 00047 namespace geos { 00048 namespace simplify { // geos::simplify 00049 00050 class GEOS_DLL LineSegmentIndex { 00051 00052 public: 00053 00054 LineSegmentIndex(); 00055 00056 ~LineSegmentIndex(); 00057 00058 void add(const TaggedLineString& line); 00059 00060 void add(const geom::LineSegment* seg); 00061 00062 void remove(const geom::LineSegment* seg); 00063 00064 std::auto_ptr< std::vector<geom::LineSegment*> > 00065 query(const geom::LineSegment* seg) const; 00066 00067 private: 00068 00069 std::auto_ptr<index::quadtree::Quadtree> index; 00070 00071 std::vector<geom::Envelope*> newEnvelopes; 00072 00073 // Copying is turned off 00074 LineSegmentIndex(const LineSegmentIndex&); 00075 LineSegmentIndex& operator=(const LineSegmentIndex&); 00076 }; 00077 00078 } // namespace geos::simplify 00079 } // namespace geos 00080 00081 #endif // GEOS_SIMPLIFY_LINESEGMENTINDEX_H 00082 00083 /********************************************************************** 00084 * $Log$ 00085 * Revision 1.2 2006/04/13 09:28:09 mloskot 00086 * Removed definition of copy ctor and assignment operator for LineSegmentString class. 00087 * 00088 * Revision 1.1 2006/04/12 15:20:37 strk 00089 * LineSegmentIndex class 00090 * 00091 **********************************************************************/