crssystem.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Raman Singh
 Date:          July 2008
________________________________________________________________________
 
-*/
 
#include "crsproj.h"
#include "coordsystem.h"
 
 
namespace Coords
{
 
mExpClass(CRS) ProjectionBasedSystem : public CoordSystem
{ mODTextTranslationClass(ProjectionBasedSystem);
public:
 
    mDefaultFactoryInstantiation( CoordSystem,ProjectionBasedSystem,
                                  "ProjectionBased System",
                                 tr("Projection Based System") );
 
                                ProjectionBasedSystem();
                                ProjectionBasedSystem(AuthorityCode);
 
    virtual CoordSystem*        clone() const;
 
    virtual uiString            description() const
                                { return tr("Geographical Coordinate System"); }
    virtual BufferString        summary() const;
 
    virtual bool                isOK() const;
 
    virtual bool                geographicTransformOK() const;
 
    virtual bool                isOrthogonal() const;
    virtual bool                isProjection() const            { return true; }
    virtual bool                isFeet() const;
    virtual bool                isMeter() const;
 
    bool                        setProjection(AuthorityCode);
    const Projection*           getProjection() const;
 
protected:
 
    const Projection*           proj_;
 
private:
 
    virtual LatLong             toGeographic(const Coord&,
                                             bool wgs84) const;
    virtual Coord               fromGeographic(const LatLong&,
                                               bool wgs84) const;
    virtual bool                doUsePar(const IOPar&);
    virtual void                doFillPar(IOPar&) const;
 
};
 
}; //namespace