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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: 2004/09/01 21:11:23 $
00007   Version:   $Revision: 1.31 $
00008 
00009   Copyright (c) Insight Software 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 ITK_EXPORT 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);
00062 
00064   typedef typename Superclass::ScalarType ScalarType;
00065 
00067   typedef typename Superclass::ParametersType ParametersType;
00068 
00070   typedef typename Superclass::JacobianType JacobianType;
00071 
00073   typedef Vector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputVectorType;
00074   typedef Vector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputVectorType;
00076 
00078   typedef CovariantVector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputCovariantVectorType;
00079   typedef CovariantVector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputCovariantVectorType;
00081 
00083   typedef vnl_vector_fixed<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputVnlVectorType;
00084   typedef vnl_vector_fixed<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputVnlVectorType;
00086 
00088   typedef Point<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputPointType;
00089   typedef Point<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputPointType;
00091 
00094   const OutputVectorType & GetOffset(void) const
00095     { return m_Offset; }
00096 
00099   void SetParameters(const ParametersType & parameters);
00100 
00102   virtual const ParametersType& GetParameters(void) const;
00103 
00107   void SetOffset(const OutputVectorType &offset)
00108     { m_Offset = offset; return; }
00109 
00111   void Compose(const Self * other, bool pre=0);
00112 
00117   void Translate(const OutputVectorType &offset, bool pre=0);
00118 
00123   OutputPointType     TransformPoint(const InputPointType  &point ) const;
00124   OutputVectorType    TransformVector(const InputVectorType &vector) const;
00125   OutputVnlVectorType TransformVector(const InputVnlVectorType &vector) const;
00126   OutputCovariantVectorType TransformCovariantVector(
00127     const InputCovariantVectorType &vector) const;
00129 
00133   inline InputPointType    BackTransform(const OutputPointType  &point ) const;
00134   inline InputVectorType   BackTransform(const OutputVectorType &vector) const;
00135   inline InputVnlVectorType BackTransform(const OutputVnlVectorType &vector) const;
00136   inline InputCovariantVectorType BackTransform(
00137     const OutputCovariantVectorType &vector) const;
00139 
00144   bool GetInverse(Self* inverse) const;
00145 
00147   virtual const JacobianType & GetJacobian(const InputPointType  &point ) const;
00148 
00150   void SetIdentity(void);
00151 
00153   virtual unsigned int GetNumberOfParameters(void) const 
00154                       { return NDimensions; }
00155 
00156 
00157 protected:
00158   TranslationTransform();
00159   ~TranslationTransform();
00161   void PrintSelf(std::ostream &os, Indent indent) const;
00162 
00163 private:
00164   TranslationTransform(const Self&); //purposely not implemented
00165   void operator=(const Self&); //purposely not implemented
00166 
00167   OutputVectorType   m_Offset;       // Offset of the transformation
00168 
00169 
00170 }; //class TranslationTransform
00171 
00172 
00173 }  // namespace itk
00174 
00175 
00176 #ifndef ITK_MANUAL_INSTANTIATION
00177 #include "itkTranslationTransform.txx"
00178 #endif
00179 
00180 #endif /* __itkTranslationTransform_h */
00181 

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