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# LocationIndexOfPoint.h

    00001 /**********************************************************************
    00002  * $Id: LocationIndexOfPoint.h 2809 2009-12-06 01:05:24Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2005-2006 Refractions Research Inc.
    00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************
    00016  *
    00017  * Last port: linearref/LinearGeometryBuilder.java rev. 1.10
    00018  *
    00019  **********************************************************************/
    00020
    00021 #ifndef GEOS_LINEARREF_LOCATIONINDEXOFPOINT_H
    00022 #define GEOS_LINEARREF_LOCATIONINDEXOFPOINT_H
    00023
    00024 #include <geos/geom/Coordinate.h>
    00025 #include <geos/geom/Geometry.h>
    00026 #include <geos/linearref/LinearLocation.h>
    00027
    00028 namespace geos
    00029 {
    00030 namespace linearref   // geos::linearref
    00031 {
    00032
    00040 class LocationIndexOfPoint
    00041 {
    00042
    00043 private:
    00044         const geom::Geometry *linearGeom;
    00045
    00046         LinearLocation indexOfFromStart(const geom::Coordinate& inputPt, LinearLocation* minIndex) const;
    00047
    00048 public:
    00049         static LinearLocation indexOf(const geom::Geometry *linearGeom, const geom::Coordinate& inputPt);
    00050
    00051         static LinearLocation indexOfAfter(const geom::Geometry *linearGeom, const geom::Coordinate& inputPt, LinearLocation* minIndex);
    00052
    00053         LocationIndexOfPoint(const geom::Geometry *linearGeom);
    00054
    00061         LinearLocation indexOf(const geom::Coordinate& inputPt) const;
    00077         LinearLocation indexOfAfter(const geom::Coordinate& inputPt, LinearLocation* minIndex) const;
    00078 };
    00079 }
    00080 }
    00081 #endif