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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkCenteredAffineTransform.h.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:33 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#ifndef __itkCenteredAffineTransform_h |
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#define __itkCenteredAffineTransform_h |
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#include "itkAffineTransform.h" |
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namespace itk |
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{ |
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/** |
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* \brief Affine transformation with a specified center of rotation. |
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* |
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* This class implements an Affine transform in which the rotation center can be explicitly selected. |
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* Note that the method "ComputeOffset()" must be called just before using the transform for mapping |
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* points, vectors or covariantvectors. This is necessary for updating the offset of the transform |
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* taking into account the center of rotation. |
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* |
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* |
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* \ingroup Transforms |
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* |
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* |
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*/ |
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template < |
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class TScalarType=double, // Data type for scalars (e.g. float or double) |
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unsigned int NDimensions=3> // Number of dimensions in the input space |
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class ITK_EXPORT CenteredAffineTransform : public AffineTransform< TScalarType, NDimensions > |
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{ |
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public: |
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/** Standard typedefs */ |
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typedef CenteredAffineTransform Self; |
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TDA |
typedef AffineTransform< TScalarType, NDimensions > Superclass; |
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TDA |
typedef SmartPointer<Self> Pointer; |
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typedef SmartPointer<const Self> ConstPointer; |
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/** Run-time type information (and related methods). */ |
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itkTypeMacro( CenteredAffineTransform, AffineTransform ); |
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/** New macro for creation of through a Smart Pointer */ |
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itkNewMacro( Self ); |
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/** Dimension of the domain space. */ |
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itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions); |
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itkStaticConstMacro(ParametersDimension, unsigned int, |
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NDimensions*(NDimensions+2)); |
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/** Types taken from the Superclass */ |
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typedef typename Superclass::ParametersType ParametersType; |
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typedef typename Superclass::JacobianType JacobianType; |
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typedef typename Superclass::ScalarType ScalarType; |
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typedef typename Superclass::InputVectorType InputVectorType; |
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typedef typename Superclass::OutputVectorType OutputVectorType; |
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typedef typename Superclass::InputCovariantVectorType InputCovariantVectorType; |
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typedef typename Superclass::OutputCovariantVectorType OutputCovariantVectorType; |
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typedef typename Superclass::InputVnlVectorType InputVnlVectorType; |
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typedef typename Superclass::OutputVnlVectorType OutputVnlVectorType; |
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typedef typename Superclass::InputPointType InputPointType; |
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typedef typename Superclass::OutputPointType OutputPointType; |
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typedef typename Superclass::MatrixType MatrixType; |
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typedef typename Superclass::OffsetType OffsetType; |
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/** Set/Get the transformation from a container of parameters. |
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* The first (NDimension x NDimension) parameters define the |
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* matrix, the next N parameters define the center of rotation |
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* and the last N parameters define the translation to be applied |
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* after the coordinate system has been restored to the rotation center. |
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* Note that the Offset of the superclass is no longer in the |
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* parameters array since it is fully dependent on the rotation |
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* center and the translation parameters. */ |
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void SetParameters( const ParametersType & parameters ); |
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const ParametersType& GetParameters(void) const; |
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/** Compute the Jacobian of the transformation |
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* |
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* This method computes the Jacobian matrix of the transformation. |
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* given point or vector, returning the transformed point or |
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* vector. The rank of the Jacobian will also indicate if the transform |
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* is invertible at this point. */ |
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const JacobianType & GetJacobian(const InputPointType &point ) const; |
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protected: |
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/** Construct an CenteredAffineTransform object **/ |
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*****CenteredAffineTransform(); |
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/** Destroy an CenteredAffineTransform object **/ |
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virtual ~CenteredAffineTransform(); |
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private: |
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CenteredAffineTransform(const Self & other); |
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const Self & operator=( const Self & ); |
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}; //class CenteredAffineTransform |
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} // namespace itk |
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#ifndef ITK_MANUAL_INSTANTIATION |
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#include "itkCenteredAffineTransform.txx" |
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#endif |
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#endif /* __itkCenteredAffineTransform_h */ |
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EOF |
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