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itkScalableAffineTransform.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkScalableAffineTransform.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-04-09 09:23:21 $
00007   Version:   $Revision: 1.5 $
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 __itkScalableAffineTransform_h
00019 #define __itkScalableAffineTransform_h
00020 
00021 #include "itkAffineTransform.h"
00022 
00023 namespace itk
00024 {
00025 
00026 
00038 template <
00039  class TScalarType=double,      // Data type for scalars (e.g. float or double)
00040  unsigned int NDimensions=3>    // Number of dimensions in the input space
00041 class ITK_EXPORT ScalableAffineTransform 
00042 : public AffineTransform< TScalarType, NDimensions >
00043 {
00044 public:
00046   typedef ScalableAffineTransform                      Self;
00047   typedef AffineTransform< TScalarType, NDimensions >  Superclass;
00048   typedef SmartPointer<Self>                           Pointer;
00049   typedef SmartPointer<const Self>                     ConstPointer;
00050 
00052   itkTypeMacro( ScalableAffineTransform, AffineTransform );
00053 
00055   itkNewMacro( Self );
00056 
00058   itkStaticConstMacro(InputSpaceDimension, unsigned int, NDimensions);
00059   itkStaticConstMacro(OutputSpaceDimension, unsigned int, NDimensions);
00060   itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions);
00061   itkStaticConstMacro(ParametersDimension, unsigned int,
00062                       NDimensions*(NDimensions+1));
00064 
00066   typedef typename Superclass::ParametersType            ParametersType;
00067   typedef typename Superclass::JacobianType              JacobianType;
00068   typedef typename Superclass::ScalarType                ScalarType;
00069   typedef typename Superclass::InputVectorType           InputVectorType;
00070   typedef typename Superclass::OutputVectorType          OutputVectorType;
00071   typedef typename Superclass::InputCovariantVectorType  InputCovariantVectorType;
00072   typedef typename Superclass::OutputCovariantVectorType OutputCovariantVectorType;
00073   typedef typename Superclass::InputVnlVectorType        InputVnlVectorType;
00074   typedef typename Superclass::OutputVnlVectorType       OutputVnlVectorType;
00075   typedef typename Superclass::InputPointType            InputPointType;
00076   typedef typename Superclass::OutputPointType           OutputPointType;
00077   typedef typename Superclass::MatrixType                MatrixType;
00078   typedef typename Superclass::InverseMatrixType         InverseMatrixType;
00079   typedef typename Superclass::CenterType                CenterType;
00080   typedef typename Superclass::OffsetType                OffsetType;
00081   typedef typename Superclass::TranslationType           TranslationType;
00082 
00085   typedef typename Superclass::InverseTransformBaseType InverseTransformBaseType;
00086   typedef typename InverseTransformBaseType::Pointer    InverseTransformBasePointer;
00087 
00091   void SetIdentity( void );
00092 
00094   virtual void SetScale( const InputVectorType & scale );
00095   virtual void SetScaleComponent( const InputVectorType & scale )
00096     { this->SetScale(scale); }
00098 
00100   virtual void SetScale( const double scale[NDimensions] );
00101   virtual void SetScaleComponent( const double scale[NDimensions] )
00102     { this->SetScale(scale); }
00104 
00106   virtual const double * GetScale() const
00107     { return m_Scale; }
00108   virtual const double * GetScaleComponent() const 
00109     { return m_Scale; }
00111 
00116   void SetMatrixComponent(const MatrixType &matrix)
00117     { this->SetMatrix( matrix ); }
00118 
00122   const MatrixType & GetMatrixComponent() const 
00123     { return this->GetMatrix(); }
00124 
00128   void SetOffsetComponent(const OffsetType &offset)
00129     { this->SetTranslation( offset ); }
00130 
00134   const OffsetType & GetOffsetComponent(void) const 
00135     { return this->GetTranslation(); }
00136 
00138   bool GetInverse(Self* inverse) const;
00139 
00141   virtual InverseTransformBasePointer GetInverseTransform() const;
00142 
00143 
00144 protected:
00152   ScalableAffineTransform(const MatrixType &matrix,
00153                           const OutputVectorType &offset);
00154   ScalableAffineTransform(unsigned int outputSpaceDimension,
00155                           unsigned int parametersDimension);
00156   ScalableAffineTransform();
00158 
00159   void ComputeMatrix();
00160 
00162   virtual ~ScalableAffineTransform();
00163 
00165   void PrintSelf(std::ostream &s, Indent indent) const;
00166 
00167   void SetVarScale(const double * scale)
00168     { for(int i=0; i<InputSpaceDimension; i++) { m_Scale[i] = scale[i]; } }
00169 
00170 private:
00171 
00172   ScalableAffineTransform(const Self & other);
00173   const Self & operator=( const Self & );
00174   
00175   double               m_Scale[NDimensions];
00176   InputVectorType      m_MatrixScale;
00177 
00178 }; //class ScalableAffineTransform
00179   
00180 }  // namespace itk
00181 
00182 // Define instantiation macro for this template.
00183 #define ITK_TEMPLATE_ScalableAffineTransform(_, EXPORT, x, y) namespace itk { \
00184   _(2(class EXPORT ScalableAffineTransform< ITK_TEMPLATE_2 x >)) \
00185   namespace Templates { typedef ScalableAffineTransform< ITK_TEMPLATE_2 x > \
00186                                                   ScalableAffineTransform##y; } \
00187   }
00188 
00189 #if ITK_TEMPLATE_EXPLICIT
00190 # include "Templates/itkScalableAffineTransform+-.h"
00191 #endif
00192 
00193 #if ITK_TEMPLATE_TXX
00194 # include "itkScalableAffineTransform.txx"
00195 #endif
00196 
00197 #endif /* __itkScalableAffineTransform_h */
00198 

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