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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkCenteredAffineTransform_h
#define itkCenteredAffineTransform_h
#include "itkAffineTransform.h"
namespace itk
{
/** \class CenteredAffineTransform
* \brief Affine transformation with a specified center of rotation.
*
* This class implements an Affine transform in which the rotation center
* can be explicitly selected.
*
* \ingroup ITKTransform
*/
template <typename TParametersValueType = double, unsigned int VDimension = 3>
class ITK_TEMPLATE_EXPORT CenteredAffineTransform : public AffineTransform<TParametersValueType, VDimension>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(CenteredAffineTransform);
/** Standard type alias */
using Self = CenteredAffineTransform;
using Superclass = AffineTransform<TParametersValueType, VDimension>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(CenteredAffineTransform);
/** New macro for creation of through a Smart Pointer */
itkNewMacro(Self);
/** Dimension of the domain space. */
static constexpr unsigned int SpaceDimension = VDimension;
static constexpr unsigned int ParametersDimension = VDimension * (VDimension + 2);
/** Types taken from the Superclass */
using typename Superclass::ParametersType;
using typename Superclass::ParametersValueType;
using typename Superclass::FixedParametersType;
using typename Superclass::FixedParametersValueType;
using typename Superclass::JacobianType;
using typename Superclass::JacobianPositionType;
using typename Superclass::InverseJacobianPositionType;
using typename Superclass::ScalarType;
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::InputPointType;
using typename Superclass::InputPointValueType;
using typename Superclass::OutputVectorValueType;
using typename Superclass::OutputPointType;
using typename Superclass::MatrixType;
using typename Superclass::MatrixValueType;
using typename Superclass::OffsetType;
/** Base inverse transform type. This type should not be changed to the
* concrete inverse transform type or inheritance would be lost. */
using InverseTransformBaseType = typename Superclass::InverseTransformBaseType;
using InverseTransformBasePointer = typename InverseTransformBaseType::Pointer;
/** Set/Get the transformation from a container of parameters.
* The first (VDimension x VDimension) parameters define the
* matrix, the next N parameters define the center of rotation
* and the last N parameters define the translation to be applied
* after the coordinate system has been restored to the rotation center.
* Note that the Offset of the superclass is no longer in the
* parameters array since it is fully dependent on the rotation
* center and the translation parameters. */
void
SetParameters(const ParametersType & parameters) override;
const ParametersType &
GetParameters() const override;
/** Compute the Jacobian of the transformation
*
* This method computes the Jacobian matrix of the transformation.
* given point or vector, returning the transformed point or
* vector. The rank of the Jacobian will also indicate if the transform
* is invertible at this point. */
void
ComputeJacobianWithRespectToParameters(const InputPointType & p, JacobianType & jacobian) const override;
/** Get an inverse of this transform. */
bool
GetInverse(Self * inverse) const;
/** Return an inverse of this transform. */
InverseTransformBasePointer
GetInverseTransform() const override;
protected:
/** Construct an CenteredAffineTransform object */
CenteredAffineTransform();
/** Destroy an CenteredAffineTransform object */
~CenteredAffineTransform() override = default;
}; // class CenteredAffineTransform
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkCenteredAffineTransform.hxx"
#endif
#endif /* itkCenteredAffineTransform_h */
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