ExtractLineByLocation.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.
 *
 **********************************************************************
 *
 * Last port: linearref/ExtractLineByLocation.java rev. 1.10
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/geom/Coordinate.h>
#include <geos/geom/Geometry.h>
#include <geos/linearref/LinearLocation.h>
 
namespace geos {
namespace linearref { // geos::linearref
 
class ExtractLineByLocation {
 
private:
    const geom::Geometry* line;
    std::unique_ptr<geom::Geometry> reverse(const geom::Geometry* linear);
 
    std::unique_ptr<geom::LineString> computeLine(const LinearLocation& start, const LinearLocation& end);
 
    std::unique_ptr<geom::Geometry> computeLinear(const LinearLocation& start, const LinearLocation& end);
 
public:
    static std::unique_ptr<geom::Geometry> extract(const geom::Geometry* line, const LinearLocation& start, const LinearLocation& end);
 
    ExtractLineByLocation(const geom::Geometry* line);
 
    std::unique_ptr<geom::Geometry> extract(const LinearLocation& start, const LinearLocation& end);
 
};
 
}
}