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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
{
/**
* \class EulerGroup
* \brief This class only contains an alias template.
*
*/
template <unsigned int Dimension>
class ITK_TEMPLATE_EXPORT EulerGroup
{
public:
template <class TScalarType>
using TransformAlias = AdvancedMatrixOffsetTransformBase<TScalarType, Dimension, Dimension>;
};
/**
* \class EulerGroup<2>
* \brief This class only contains an alias template for the 2D case.
*
*/
template <>
class ITK_TEMPLATE_EXPORT EulerGroup<2>
{
public:
template <class TScalarType>
using TransformAlias = AdvancedRigid2DTransform<TScalarType>;
};
/**
* \class EulerGroup<3>
* \brief This class only contains an alias template for the 3D case.
*
*/
template <>
class ITK_TEMPLATE_EXPORT EulerGroup<3>
{
public:
template <class TScalarType>
using TransformAlias = AdvancedEuler3DTransform<TScalarType>;
};
/**
* This alias templates the EulerGroup over its dimension.
*/
template <class TScalarType, unsigned int Dimension>
using EulerGroupTemplate = typename EulerGroup<Dimension>::template TransformAlias<TScalarType>;
/**
* \class EulerTransform
* \brief This class combines the Euler2DTransform with the Euler3DTransform.
*
* This transform is a rigid body transformation.
*
* \ingroup Transforms
*/
template <class TScalarType, unsigned int Dimension>
class ITK_TEMPLATE_EXPORT EulerTransform : public EulerGroupTemplate<TScalarType, Dimension>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(EulerTransform);
/** Standard ITK-stuff. */
using Self = EulerTransform;
using Superclass = EulerGroupTemplate<TScalarType, Dimension>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(EulerTransform, EulerGroupTemplate);
/** Dimension of the domain space. */
itkStaticConstMacro(SpaceDimension, unsigned int, Dimension);
/** Typedefs inherited from the superclass. */
/** These are both in Rigid2D and Euler3D. */
using typename Superclass::ScalarType;
using typename Superclass::ParametersType;
using typename Superclass::NumberOfParametersType;
using typename Superclass::JacobianType;
using typename Superclass::OffsetType;
using typename Superclass::InputPointType;
using typename Superclass::OutputPointType;
using typename Superclass::InputVectorType;
using typename Superclass::OutputVectorType;
using typename Superclass::InputCovariantVectorType;
using typename Superclass::OutputCovariantVectorType;
using typename Superclass::InputVnlVectorType;
using typename Superclass::OutputVnlVectorType;
using typename Superclass::NonZeroJacobianIndicesType;
using typename Superclass::SpatialJacobianType;
using typename Superclass::JacobianOfSpatialJacobianType;
using typename Superclass::SpatialHessianType;
using typename Superclass::JacobianOfSpatialHessianType;
using typename Superclass::InternalMatrixType;
/** Make sure SetComputeZYX() is available, also in 2D,
* in which case, its just a dummy function.
*/
void
SetComputeZYX(const bool) // No override.
{
static_assert(SpaceDimension != 3, "This is not the specialization is 3D!");
}
/** Make sure GetComputeZYX() is available, also in 2D,
* in which case, it just returns false.
*/
bool
GetComputeZYX() const // No override.
{
static_assert(SpaceDimension != 3, "This is not the specialization is 3D!");
return false;
}
protected:
EulerTransform() = default;
~EulerTransform() override = default;
};
template <class TScalarType>
class ITK_TEMPLATE_EXPORT EulerTransform<TScalarType, 3> : public EulerGroupTemplate<TScalarType, 3>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(EulerTransform);
/** Standard ITK-stuff. */
using Self = EulerTransform;
using Superclass = EulerGroupTemplate<TScalarType, 3>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(EulerTransform, EulerGroupTemplate);
/** Dimension of the domain space. */
itkStaticConstMacro(SpaceDimension, unsigned int, 3);
/** Make sure SetComputeZYX() is available, also in 2D,
* in which case, its just a dummy function.
* \note This member function is only an `override` in 3D.
*/
void
SetComputeZYX(const bool arg) override
{
static_assert(SpaceDimension == 3, "This specialization is for 3D only!");
using Euler3DTransformType = AdvancedEuler3DTransform<TScalarType>;
typename Euler3DTransformType::Pointer transform = dynamic_cast<Euler3DTransformType *>(this);
if (transform)
{
transform->Euler3DTransformType::SetComputeZYX(arg);
}
}
/** Make sure GetComputeZYX() is available, also in 2D,
* in which case, it just returns false.
* \note This member function is only an `override` in 3D.
*/
bool
GetComputeZYX() const override
{
static_assert(SpaceDimension == 3, "This specialization is for 3D only!");
using Euler3DTransformType = AdvancedEuler3DTransform<TScalarType>;
typename Euler3DTransformType::ConstPointer transform = dynamic_cast<const Euler3DTransformType *>(this);
if (transform)
{
return transform->Euler3DTransformType::GetComputeZYX();
}
return false;
}
protected:
EulerTransform() = default;
~EulerTransform() override = default;
};
} // end namespace itk
#endif // end #ifndef itkEulerTransform_h
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