vistransmgr.h

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#ifndef vistransmgr_h
#define vistransmgr_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Nanne Hemstra
 Date:          August 2005
 RCS:           $Id$
________________________________________________________________________

-*/

#include "vissurveymod.h"
#include "gendefs.h"
#include "vistransform.h"

class TrcKeySampling;
namespace Survey { class Geometry3D; }

namespace visSurvey
{

class Scene;

mExpClass(visSurvey) SceneTransformManager : public CallBacker
{
public:
                        SceneTransformManager()
                            : scene_(0)
                            , mouseCursorCall(this)
                        {}

    static void         computeUTM2DisplayTransform(const Survey::Geometry3D&,
                                    float zfactor, float zmidpt,mVisTrans* res);

    static void         computeICRotationTransform(const Survey::Geometry3D&,
                                                   float zfactor, float zmidpt,
                                                   mVisTrans* rotation,
                                                   mVisTrans* disptrans );

    void                setCurrentScene( Scene* scn ) { scene_ = scn; }
    Scene*              currentScene() const    { return scene_; }

    Notifier<SceneTransformManager> mouseCursorCall;

protected:

    Scene*              scene_;

};


mGlobal(visSurvey) SceneTransformManager& STM();

} // namespace visSurvey


#endif