GeoConvHelper.h

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/****************************************************************************/
// static methods for processing the coordinates conversion for the current net
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/
#ifndef GeoConvHelper_h
#define GeoConvHelper_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <map>
#include <string>
#include <utils/geom/Position2D.h>
#include <utils/geom/Boundary.h>

#ifdef HAVE_PROJ
#include <proj_api.h>
#endif


// ===========================================================================
// class declarations
// ===========================================================================
class OptionsCont;


// ===========================================================================
// class definitions
// ===========================================================================
class GeoConvHelper {
public:
    static void addProjectionOptions(OptionsCont &oc);

    static bool init(OptionsCont &oc);

    static bool init(const std::string &proj,
                     const int shift=0,
                     bool inverse=false);

    static bool init(const std::string &proj,
                     const Position2D &offset,
                     const Boundary &orig,
                     const Boundary &conv);

    static void close();

    static void cartesian2geo(Position2D &cartesian);

    static bool x2cartesian(Position2D &from, bool includeInBoundary=true, double x=-1, double y=-1);

    static bool usingGeoProjection();

    static bool usingInverseGeoProjection();

    static void moveConvertedBy(SUMOReal x, SUMOReal y);

    static const Boundary &getOrigBoundary();

    static const Boundary &getConvBoundary();

    static const Position2D getOffsetBase();

    static const std::string &getProjString();

private:
    enum ProjectionMethod {
        NONE,
        SIMPLE,
        UTM,
        DHDN,
        PROJ
    };

    static std::string myProjString;

#ifdef HAVE_PROJ
    static projPJ myProjection;
#endif

    static Position2D myOffset;

    static double myGeoScale;

    static ProjectionMethod myProjectionMethod;

    static bool myUseInverseProjection;

    static bool myBaseFound;

    static double myBaseX, myBaseY;

    static Boundary myOrigBoundary;

    static Boundary myConvBoundary;

};


#endif

/****************************************************************************/