SegmentStringUtil.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research 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.
 *
 *
 **********************************************************************
 *
 * Last port: noding/SegmentStringUtil.java rev. 1.2 (JTS-1.9)
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/noding/BasicSegmentString.h>
#include <geos/noding/NodedSegmentString.h>
#include <geos/geom/LineString.h>
#include <geos/geom/CoordinateSequence.h>
#include <geos/geom/util/LinearComponentExtracter.h>
 
namespace geos {
namespace noding { // geos::noding
 
class SegmentStringUtil {
public:
    static void
    extractSegmentStrings(const geom::Geometry* g,
                          SegmentString::ConstVect& segStr)
    {
        geom::LineString::ConstVect lines;
        geom::util::LinearComponentExtracter::getLines(*g, lines);
 
        for(const geom::LineString* line : lines) {
            auto pts = line->getCoordinatesRO();
            segStr.push_back(new BasicSegmentString(const_cast<geom::CoordinateSequence*>(pts), g));
        }
    }
 
};
 
} // geos::noding
} // geos