transform.h

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// $Id$
 
// -----------------------------------------------------------------------
// The RootGM package of the Virtual Geometry Model
// Copyright (C) 2007, Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see vgm/LICENSE.
// Contact: ivana@ipno.in2p3.fr
// -----------------------------------------------------------------------

//
 
#ifndef ROOT_GM_TRANSFORM_H
#define ROOT_GM_TRANSFORM_H
 
#include "VGM/common/Transform.h"
 
#include "TGeoMatrix.h"
 
class TGeoShape;
 
namespace RootGM {
 
// Root -> VGM
//
VGM::Transform Transform(const TGeoMatrix& matrix);
VGM::Transform TransformScale(const TGeoScale& scale);
VGM::Transform Identity();
bool HasReflection(const TGeoMatrix& matrix);
 
// VGM -> Root
TGeoMatrix* CreateTransform(const VGM::Transform& transform);
TGeoScale* CreateScale(const VGM::Transform& transform);
bool HasReflection(const VGM::Transform& transform);
 
// Root special
TGeoHMatrix Displacement(TGeoShape* shape);
TGeoHMatrix CompositeLeftTransform(TGeoShape* shape);
 
void fromToRotation(double from[3], double to[3], double mtx[3][3]);
} // namespace RootGM
 
#endif // ROOT_GM_TRANSFORM_H