itkEulerTransform.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkEulerTransform_H__
#define __itkEulerTransform_H__
 
#include "itkAdvancedRigid2DTransform.h"
#include "itkAdvancedEuler3DTransform.h"
#include "itkAdvancedMatrixOffsetTransformBase.h"
 
namespace itk
{
 
template< unsigned int Dimension >
class EulerGroup
{
public:
 
  template< class TScalarType >
  class Dummy
  {
public:
 
    typedef AdvancedMatrixOffsetTransformBase< TScalarType, Dimension, Dimension > EulerTransform_tmp;
 
  };
 
};
 
template< >
class EulerGroup< 2 >
{
public:
 
  template< class TScalarType >
  class Dummy
  {
public:
 
    typedef AdvancedRigid2DTransform< TScalarType > EulerTransform_tmp;
 
  };
 
};
 
template< >
class EulerGroup< 3 >
{
public:
 
  template< class TScalarType >
  class Dummy
  {
public:
 
    typedef AdvancedEuler3DTransform< TScalarType > EulerTransform_tmp;
 
  };
 
};
 
template< class TScalarType, unsigned int Dimension >
class EulerGroupTemplate
{
public:
 
  typedef EulerGroupTemplate Self;
  typedef TScalarType        ScalarType;
  itkStaticConstMacro( SpaceDimension, unsigned int, Dimension );
 
  // This declaration of 'Euler' does not work with the GCC compiler
  //    typedef EulerGroup<  itkGetStaticConstMacro( SpaceDimension ) >       Euler;
  // The following trick works though:
  template< unsigned int D >
  class EulerGroupWrap
  {
public:
 
    typedef EulerGroup< D > Euler;
  };
 
  typedef EulerGroupWrap< Dimension >            EulerGroupWrapInstance;
  typedef typename EulerGroupWrapInstance::Euler Euler;
 
  typedef typename Euler::template Dummy< ScalarType > EulerDummy;
  typedef typename EulerDummy::EulerTransform_tmp      EulerTransform_tmp;
 
};
 
template< class TScalarType, unsigned int Dimension >
class EulerTransform :
  public EulerGroupTemplate<
  TScalarType, Dimension >::EulerTransform_tmp
{
public:
 
  typedef EulerTransform Self;
  typedef typename EulerGroupTemplate<
    TScalarType, Dimension >
    ::EulerTransform_tmp Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro( EulerTransform, EulerGroupTemplate );
 
  itkStaticConstMacro( SpaceDimension, unsigned int, Dimension );
 
  typedef typename Superclass::ScalarType                ScalarType;
  typedef typename Superclass::ParametersType            ParametersType;
  typedef typename Superclass::NumberOfParametersType    NumberOfParametersType;
  typedef typename Superclass::JacobianType              JacobianType;
  typedef typename Superclass::OffsetType                OffsetType;
  typedef typename Superclass::InputPointType            InputPointType;
  typedef typename Superclass::OutputPointType           OutputPointType;
  typedef typename Superclass::InputVectorType           InputVectorType;
  typedef typename Superclass::OutputVectorType          OutputVectorType;
  typedef typename Superclass::InputCovariantVectorType  InputCovariantVectorType;
  typedef typename Superclass::OutputCovariantVectorType OutputCovariantVectorType;
  typedef typename Superclass::InputVnlVectorType        InputVnlVectorType;
  typedef typename Superclass::OutputVnlVectorType       OutputVnlVectorType;
 
  typedef typename Superclass
    ::NonZeroJacobianIndicesType NonZeroJacobianIndicesType;
  typedef typename Superclass::SpatialJacobianType SpatialJacobianType;
  typedef typename Superclass
    ::JacobianOfSpatialJacobianType JacobianOfSpatialJacobianType;
  typedef typename Superclass::SpatialHessianType SpatialHessianType;
  typedef typename Superclass
    ::JacobianOfSpatialHessianType JacobianOfSpatialHessianType;
  typedef typename Superclass::InternalMatrixType InternalMatrixType;
 
  void SetComputeZYX( const bool ) // No override.
  {
    static_assert(SpaceDimension != 3, "This is not the specialization is 3D!");
  }
 
 
  bool GetComputeZYX( void ) const // No override.
  {
    static_assert(SpaceDimension != 3, "This is not the specialization is 3D!");
    return false;
  }
 
 
protected:
 
  EulerTransform(){}
  ~EulerTransform() override{}
 
private:
 
  EulerTransform( const Self & );  // purposely not implemented
  void operator=( const Self & );  // purposely not implemented
 
};
 
template< class TScalarType >
class EulerTransform<TScalarType, 3> :
  public EulerGroupTemplate<
  TScalarType, 3 >::EulerTransform_tmp
{
public:
 
  typedef EulerTransform Self;
  typedef typename EulerGroupTemplate<
    TScalarType, 3 >
    ::EulerTransform_tmp Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro( EulerTransform, EulerGroupTemplate );
 
  itkStaticConstMacro( SpaceDimension, unsigned int, 3 );
 
 
  void SetComputeZYX( const bool arg ) override
  {
    static_assert(SpaceDimension == 3, "This specialization is for 3D only!");
 
    typedef AdvancedEuler3DTransform< TScalarType > Euler3DTransformType;
    typename Euler3DTransformType::Pointer transform
      = dynamic_cast< Euler3DTransformType * >( this );
    if( transform )
    {
      transform->Euler3DTransformType::SetComputeZYX( arg );
    }
  }
 
 
  bool GetComputeZYX( void ) const override
  {
    static_assert(SpaceDimension == 3, "This specialization is for 3D only!");
 
    typedef AdvancedEuler3DTransform< TScalarType > Euler3DTransformType;
    typename Euler3DTransformType::ConstPointer transform
      = dynamic_cast< const Euler3DTransformType * >( this );
 
    if( transform )
    {
      return transform->Euler3DTransformType::GetComputeZYX();
    }
    return false;
  }
 
 
protected:
 
  EulerTransform(){}
  ~EulerTransform() override{}
 
private:
 
  EulerTransform( const Self & );  // purposely not implemented
  void operator=( const Self & );  // purposely not implemented
 
};
 
} // end namespace itk
 
#endif // end #ifndef __itkEulerTransform_H__