MonotoneChainIndexer.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2005-2006 Refractions Research Inc.
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#ifndef GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H
#define GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H
 
#include <vector>
#include <geos/export.h>
 
// Forward declarations
namespace geos {
namespace geom {
class CoordinateSequence;
}
}
 
namespace geos {
namespace geomgraph { // geos::geomgraph
namespace index { // geos::geomgraph::index
 
 
class GEOS_DLL MonotoneChainIndexer {
 
public:
 
    MonotoneChainIndexer() {}
 
    void getChainStartIndices(const geom::CoordinateSequence*, std::vector<std::size_t>&);
 
private:
 
    std::size_t findChainEnd(const geom::CoordinateSequence* pts, std::size_t start);
 
};
 
} // namespace geos.geomgraph.index
} // namespace geos.geomgraph
} // namespace geos
 
#endif // GEOS_GEOMGRAPH_INDEX_MONOTONECHAININDEXER_H