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itkTranslationTransform.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkTranslationTransform.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/11 19:57:13 $
00007   Version:   $Revision: 1.24 $
00008 
00009   Copyright (c) 2002 Insight Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #ifndef __itkTranslationTransform_h
00019 #define __itkTranslationTransform_h
00020 
00021 #include <iostream>
00022 #include "itkTransform.h"
00023 #include "itkExceptionObject.h"
00024 #include "itkMatrix.h"
00025 
00026 
00027 
00028 
00029 namespace itk
00030 {
00031 
00039 template <
00040     class TScalarType=double,          // Data type for scalars (float or double)
00041     unsigned int NDimensions=3>        // Number of dimensions
00042 class TranslationTransform : 
00043           public Transform< TScalarType, NDimensions, NDimensions >
00044 {
00045 public:
00047   typedef TranslationTransform Self;
00048   typedef Transform< TScalarType, NDimensions, NDimensions > Superclass;
00049   typedef SmartPointer<Self>        Pointer;
00050   typedef SmartPointer<const Self>  ConstPointer;
00051       
00053   itkNewMacro( Self );
00054 
00056   itkTypeMacro( TranslationTransform, Transform );
00057 
00059   itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions);
00060   itkStaticConstMacro(ParametersDimension, unsigned int, NDimensions);
00061 
00063   typedef typename Superclass::ScalarType ScalarType;
00064 
00066   typedef typename Superclass::ParametersType ParametersType;
00067 
00069   typedef typename Superclass::JacobianType JacobianType;
00070 
00072   typedef Vector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputVectorType;
00073   typedef Vector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputVectorType;
00074 
00076   typedef CovariantVector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputCovariantVectorType;
00077   typedef CovariantVector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputCovariantVectorType;
00078   
00080   typedef vnl_vector_fixed<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputVnlVectorType;
00081   typedef vnl_vector_fixed<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputVnlVectorType;
00082   
00084   typedef Point<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputPointType;
00085   typedef Point<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputPointType;
00086   
00089   const OutputVectorType & GetOffset(void) const
00090     { return m_Offset; }
00091 
00094   void SetParameters(const ParametersType & parameters);
00095 
00097   virtual const ParametersType& GetParameters(void) const;
00098 
00102   void SetOffset(const OutputVectorType &offset)
00103     { m_Offset = offset; return; }
00104 
00106   void Compose(const Self * other, bool pre=0);
00107 
00112   void Translate(const OutputVectorType &offset, bool pre=0);
00113 
00118   OutputPointType     TransformPoint(const InputPointType  &point ) const;
00119   OutputVectorType    TransformVector(const InputVectorType &vector) const;
00120   OutputVnlVectorType TransformVector(const InputVnlVectorType &vector) const;
00121   OutputCovariantVectorType TransformCovariantVector(
00122     const InputCovariantVectorType &vector) const;
00123   
00127   inline InputPointType    BackTransform(const OutputPointType  &point ) const;
00128   inline InputVectorType   BackTransform(const OutputVectorType &vector) const;
00129   inline InputVnlVectorType BackTransform(const OutputVnlVectorType &vector) const;
00130   inline InputCovariantVectorType BackTransform(
00131     const OutputCovariantVectorType &vector) const;
00132   
00134   void PrintSelf(std::ostream &os, Indent indent) const;
00135 
00140   TranslationTransform::Pointer Inverse(void) const;
00141 
00143   virtual const JacobianType & GetJacobian(const InputPointType  &point ) const;
00144 
00146   void SetIdentity(void);
00147 
00149   unsigned int virtual GetNumberOfParameters(void) const 
00150                       { return NDimensions; }
00151 
00152 
00153 protected:
00154   TranslationTransform();
00155   ~TranslationTransform();
00156 
00157 private:
00158   TranslationTransform(const Self&); //purposely not implemented
00159   void operator=(const Self&); //purposely not implemented
00160 
00161   OutputVectorType   m_Offset;       // Offset of the transformation
00162 
00163 
00164 }; //class TranslationTransform
00165 
00166 
00167 }  // namespace itk
00168 
00169 
00170 #ifndef ITK_MANUAL_INSTANTIATION
00171 #include "itkTranslationTransform.txx"
00172 #endif
00173 
00174 #endif /* __itkTranslationTransform_h */

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