MonotoneChainIndexer.h

00001 /**********************************************************************
00002  * $Id: MonotoneChainIndexer.h 1820 2006-09-06 16:54:23Z mloskot $
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 #ifndef GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H
00018 #define GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H
00019 
00020 #include <vector>
00021 
00022 // Forward declarations
00023 namespace geos {
00024         namespace geom {
00025                 class CoordinateSequence;
00026         }
00027 }
00028 
00029 namespace geos {
00030 namespace geomgraph { // geos::geomgraph
00031 namespace index { // geos::geomgraph::index
00032 
00033 
00034 class MonotoneChainIndexer{
00035 
00036 public:
00037 
00038         MonotoneChainIndexer(){};
00039 
00040         void getChainStartIndices(const geom::CoordinateSequence*, std::vector<int>&);
00041 
00042 private:
00043 
00044         int findChainEnd(const geom::CoordinateSequence* pts, int start);
00045 
00046 };
00047 
00048 } // namespace geos.geomgraph.index
00049 } // namespace geos.geomgraph
00050 } // namespace geos
00051 
00052 #endif // GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H
00053 
00054 /**********************************************************************
00055  * $Log$
00056  * Revision 1.1  2006/03/14 12:55:55  strk
00057  * Headers split: geomgraphindex.h, nodingSnapround.h
00058  *
00059  **********************************************************************/
00060 

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