coordsystem.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          August 2016
________________________________________________________________________

-*/

#include "factory.h"

#include "bufstring.h"
#include "coord.h"
#include "latlong.h"
#include "refcount.h"

class NotifierAccess;

namespace Coords
{



mExpClass(Basic) PositionSystem : public RefCount::Referenced
{
public:

    bool                        operator==(const PositionSystem&) const;

    static void                 initRepository(NotifierAccess* = 0);
                                mDefineFactoryInClass(PositionSystem,factory);

    static void                 getSystemNames(bool onlyorthogonal,uiStringSet&,
                                               ObjectSet<IOPar>&);
    static RefMan<PositionSystem> createSystem(const IOPar&);
    virtual uiString            description() const                     = 0;

    virtual bool                isOK() const                            = 0;

    virtual bool                geographicTransformOK() const           = 0;
    virtual LatLong             toGeographicWGS84(const Coord&) const   = 0;
    virtual Coord               fromGeographicWGS84(const LatLong&) const = 0;

    static Coord                convert(const Coord&,const PositionSystem& from,
                                        const PositionSystem& to);
    Coord                       convertFrom(const Coord&,
                                        const PositionSystem& from) const;

    virtual uiString            toUiString(const Coord&) const;
    virtual BufferString        toString(const Coord&,
                                         bool withsystem=false) const;
    virtual Coord               fromString(const char*) const;

    virtual bool                isOrthogonal() const                    = 0;
    virtual bool                isFeet() const          { return false; }
    virtual bool                isMeter() const         { return false; }

    virtual bool                usePar(const IOPar&);
    virtual void                fillPar(IOPar&) const;

    static const char*          sKeyFactoryName()       { return "System name";}
    static const char*          sKeyUiName()            { return "UI Name"; }
};


mExpClass(Basic) UnlocatedXY : public PositionSystem
{ mODTextTranslationClass(UnlocatedXY);
public:
    mDefaultFactoryInstantiation( PositionSystem,UnlocatedXY,"Unlocated XY",
                                 tr("Unlocated XY") );

                        UnlocatedXY();
                        UnlocatedXY(const Coord&,const LatLong&);
    virtual uiString    description() const
                        { return
                           tr("Coordinate system in an undefined projection.");}

    void                setIsFeet( bool isfeet ) { isfeet_ = isfeet; }
    bool                geographicTransformOK() const;
    void                setLatLongEstimate(const LatLong&,const Coord&);

    virtual LatLong     toGeographicWGS84(const Coord&) const;
    virtual Coord       fromGeographicWGS84(const LatLong&) const;

    virtual bool        isOK() const            { return true; }
    virtual bool        isOrthogonal() const    { return true; }
    virtual bool        isFeet() const          { return isfeet_; }
    virtual bool        isMeter() const         { return !isfeet_; }

    virtual bool        usePar(const IOPar&);
    virtual void        fillPar(IOPar&) const;

    const Coord&        refCoord() const { return refcoord_; }
    const LatLong&      refLatLong() const { return reflatlng_; }

private:

    bool                isfeet_;
    Coord               refcoord_;
    LatLong             reflatlng_;

    double              lngdist_;
};


}; //namespace