LocationIndexOfPoint.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
 * 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