itkQuaternionOrientationAdapter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkQuaternionOrientationAdapter.h,v $
  Language:  C++
  Date:      $Date: 2009-03-03 15:08:22 $
  Version:   $Revision: 1.3 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkQuaternionOrientationAdapter_h
#define __itkQuaternionOrientationAdapter_h
#include "itkOrientationAdapter.h"
#include "itkQuaternionRigidTransform.h"
#include "itkConceptChecking.h"

namespace itk
{
namespace QuaternionOrientationAdapterClasses {
typedef QuaternionRigidTransform<double> TransformType;
typedef TransformType::Pointer           TransformPointerType;
}
template <int VDimension>
class QuaternionOrientationAdapter : 
    public OrientationAdapterBase<QuaternionOrientationAdapterClasses::TransformPointerType,VDimension>
{
public:
  typedef QuaternionOrientationAdapter Self;

  typedef OrientationAdapterBase<QuaternionOrientationAdapterClasses::TransformPointerType,VDimension>
                                           SuperClass;
  typedef QuaternionRigidTransform<double> OrientationRootType;
  typedef QuaternionOrientationAdapterClasses::TransformPointerType
                                           OrientationType;

  itkConceptMacro(DimensionShouldBe3,
    (Concept::SameDimension<VDimension,3>));

  typedef typename SuperClass::DirectionType DirectionType;

  virtual OrientationType FromDirectionCosines(const DirectionType &Dir)
    {
    OrientationType q = OrientationRootType::New();
    q->SetMatrix(Dir);
    return q;
    }

  virtual DirectionType ToDirectionCosines(const OrientationType &Or)
    {
    return Or->GetMatrix();
    }
};

} // namespace itk


#endif // __itkQuaternionOrientationAdapter_h