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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkTranslationTransform.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:48 $ |
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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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DEF |
#ifndef _itkTranslationTransform_txx |
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DEF |
#define _itkTranslationTransform_txx |
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#include "itkTranslationTransform.h" |
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namespace itk |
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{ |
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// Constructor with default arguments |
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template<class TScalarType, unsigned int NDimensions> |
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TranslationTransform<TScalarType, NDimensions>:: |
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TranslationTransform():Superclass(SpaceDimension,ParametersDimension) |
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{ |
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m_Offset.Fill( 0 ); |
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} |
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// Destructor |
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template<class TScalarType, unsigned int NDimensions> |
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TranslationTransform<TScalarType, NDimensions>:: |
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~TranslationTransform() |
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{ |
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return; |
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} |
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// Set the parameters |
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template <class TScalarType, unsigned int NDimensions> |
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void |
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TranslationTransform<TScalarType, NDimensions> |
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::SetParameters( const ParametersType & parameters ) |
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{ |
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bool modified = false; |
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for( unsigned int i=0; i<SpaceDimension; i++ ) |
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{ |
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if (m_Offset[i] != parameters[i]) |
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{ |
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m_Offset[i] = parameters[i]; |
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modified = true; |
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} |
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} |
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if (modified) |
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{ |
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this->Modified(); |
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} |
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} |
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EML |
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EML |
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// Get the parameters |
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template <class TScalarType, unsigned int NDimensions> |
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const typename TranslationTransform<TScalarType, NDimensions>::ParametersType & |
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TranslationTransform<TScalarType, NDimensions> |
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::GetParameters( void ) const |
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{ |
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for( unsigned int i=0; i<SpaceDimension; i++ ) |
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{ |
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this->m_Parameters[i] = this->m_Offset[i]; |
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} |
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return this->m_Parameters; |
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} |
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EML |
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// Print self |
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template<class TScalarType, unsigned int NDimensions> |
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void |
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TranslationTransform<TScalarType, NDimensions>:: |
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PrintSelf(std::ostream &os, Indent indent) const |
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{ |
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Superclass::PrintSelf(os,indent); |
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os << indent << "Offset: " << m_Offset << std::endl; |
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} |
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// Compose with another affine transformation |
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template<class TScalarType, unsigned int NDimensions> |
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void |
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TranslationTransform<TScalarType, NDimensions>:: |
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Compose(const Self * other, bool ) |
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{ |
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this->Translate(other->m_Offset); |
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return; |
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} |
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// Compose with a translation |
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template<class TScalarType, unsigned int NDimensions> |
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void |
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TranslationTransform<TScalarType, NDimensions>:: |
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Translate(const OutputVectorType &offset, bool ) |
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{ |
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ParametersType newOffset(SpaceDimension); |
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for( unsigned int i=0; i<SpaceDimension; i++ ) |
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{ |
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newOffset[i] = m_Offset[i] + offset[i]; |
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} |
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this->SetParameters (newOffset); |
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return; |
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} |
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EML |
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// Transform a point |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::OutputPointType |
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TranslationTransform<TScalarType, NDimensions>:: |
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TransformPoint(const InputPointType &point) const |
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{ |
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return point + m_Offset; |
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} |
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// Transform a vector |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::OutputVectorType |
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TranslationTransform<TScalarType, NDimensions>:: |
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TransformVector(const InputVectorType &vect) const |
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{ |
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return vect; |
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} |
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// Transform a vnl_vector_fixed |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::OutputVnlVectorType |
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TranslationTransform<TScalarType, NDimensions>:: |
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TransformVector(const InputVnlVectorType &vect) const |
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{ |
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return vect; |
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} |
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// Transform a CovariantVector |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::OutputCovariantVectorType |
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TranslationTransform<TScalarType, NDimensions>:: |
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TransformCovariantVector(const InputCovariantVectorType &vect) const |
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{ |
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return vect; |
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} |
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EML |
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// Back transform a point |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::InputPointType |
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TranslationTransform<TScalarType, NDimensions>:: |
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BackTransform(const OutputPointType &point) const { |
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return point - m_Offset; |
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} |
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EML |
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EML |
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// Back transform a vector |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::InputVectorType |
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TranslationTransform<TScalarType, NDimensions>:: |
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BackTransform(const OutputVectorType &vect ) const |
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{ |
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return vect; |
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} |
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EML |
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EML |
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// Back transform a vnl_vector |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::InputVnlVectorType |
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TranslationTransform<TScalarType, NDimensions>:: |
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BackTransform(const OutputVnlVectorType &vect ) const |
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{ |
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return vect; |
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} |
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// Back Transform a CovariantVector |
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template<class TScalarType, unsigned int NDimensions> |
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typename TranslationTransform<TScalarType, NDimensions>::InputCovariantVectorType |
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TranslationTransform<TScalarType, NDimensions>:: |
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BackTransform(const OutputCovariantVectorType &vect) const |
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{ |
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return vect; |
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} |
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// return an inverse transformation |
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template<class TScalarType, unsigned int NDimensions> |
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bool |
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TranslationTransform<TScalarType, NDimensions>:: |
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GetInverse( Self* inverse) const |
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{ |
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if(!inverse) |
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{ |
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return false; |
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} |
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inverse->m_Offset = - m_Offset; |
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return true; |
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} |
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// Compute the Jacobian in one position |
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template<class TScalarType, unsigned int NDimensions> |
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const typename TranslationTransform<TScalarType, NDimensions>::JacobianType & |
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TranslationTransform< TScalarType, NDimensions >:: |
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GetJacobian( const InputPointType & ) const |
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{ |
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this->m_Jacobian.Fill( 0.0 ); |
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for(unsigned int i=0; i<NDimensions; i++) |
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{ |
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this->m_Jacobian(i,i) = 1.0; |
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} |
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return this->m_Jacobian; |
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} |
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EML |
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// Set the parameters for an Identity transform of this class |
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template<class TScalarType, unsigned int NDimensions> |
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void |
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TranslationTransform<TScalarType, NDimensions>:: |
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SetIdentity() |
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{ |
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m_Offset.Fill( 0.0 ); |
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} |
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} // namespace |
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#endif |
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