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# MonotoneChainIndexer.h

    00001 /**********************************************************************
    00002  * $Id: MonotoneChainIndexer.h 2556 2009-06-06 22:22:28Z strk $
    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 <geos/export.h>
    00021 #include <vector>
    00022
    00023 // Forward declarations
    00024 namespace geos {
    00025         namespace geom {
    00026                 class CoordinateSequence;
    00027         }
    00028 }
    00029
    00030 namespace geos {
    00031 namespace geomgraph { // geos::geomgraph
    00032 namespace index { // geos::geomgraph::index
    00033
    00034
    00035 class GEOS_DLL MonotoneChainIndexer{
    00036
    00037 public:
    00038
    00039         MonotoneChainIndexer(){};
    00040
    00041         void getChainStartIndices(const geom::CoordinateSequence*, std::vector<int>&);
    00042
    00043 private:
    00044
    00045         int findChainEnd(const geom::CoordinateSequence* pts, int start);
    00046
    00047 };
    00048
    00049 } // namespace geos.geomgraph.index
    00050 } // namespace geos.geomgraph
    00051 } // namespace geos
    00052
    00053 #endif // GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H
    00054
    00055 /**********************************************************************
    00056  * $Log$
    00057  * Revision 1.1  2006/03/14 12:55:55  strk
    00058  * Headers split: geomgraphindex.h, nodingSnapround.h
    00059  *
    00060  **********************************************************************/
    00061