LocationIndexOfPoint.h

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/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
 * 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/LinearGeometryBuilder.java r466
 *
 **********************************************************************/

#ifndef GEOS_LINEARREF_LOCATIONINDEXOFPOINT_H
#define GEOS_LINEARREF_LOCATIONINDEXOFPOINT_H

#include <geos/geom/Coordinate.h>
#include <geos/geom/Geometry.h>
#include <geos/linearref/LinearLocation.h>

namespace geos {
namespace linearref { // geos::linearref

class LocationIndexOfPoint {

private:
    const geom::Geometry* linearGeom;

    LinearLocation indexOfFromStart(const geom::Coordinate& inputPt, const LinearLocation* minIndex) const;

public:
    static LinearLocation indexOf(const geom::Geometry* linearGeom, const geom::Coordinate& inputPt);

    static LinearLocation indexOfAfter(const geom::Geometry* linearGeom, const geom::Coordinate& inputPt,
                                       const LinearLocation* minIndex);

    LocationIndexOfPoint(const geom::Geometry* linearGeom);

    LinearLocation indexOf(const geom::Coordinate& inputPt) const;

    LinearLocation indexOfAfter(const geom::Coordinate& inputPt, const LinearLocation* minIndex) const;
};
}
}
#endif