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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: 2009-11-28 15:58:04 $
00007   Version:   $Revision: 1.7 $
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::ParametersValueType       ParametersValueType;
00068   typedef typename Superclass::JacobianType              JacobianType;
00069   typedef typename Superclass::ScalarType                ScalarType;
00070   typedef typename Superclass::InputVectorType           InputVectorType;
00071   typedef typename Superclass::OutputVectorType          OutputVectorType;
00072   typedef typename Superclass::InputCovariantVectorType  InputCovariantVectorType;
00073   typedef typename Superclass::OutputCovariantVectorType OutputCovariantVectorType;
00074   typedef typename Superclass::InputVnlVectorType        InputVnlVectorType;
00075   typedef typename Superclass::OutputVnlVectorType       OutputVnlVectorType;
00076   typedef typename Superclass::InputPointType            InputPointType;
00077   typedef typename Superclass::OutputPointType           OutputPointType;
00078   typedef typename Superclass::MatrixType                MatrixType;
00079   typedef typename Superclass::MatrixValueType           MatrixValueType;
00080   typedef typename Superclass::InverseMatrixType         InverseMatrixType;
00081   typedef typename Superclass::CenterType                CenterType;
00082   typedef typename Superclass::OffsetType                OffsetType;
00083   typedef typename Superclass::TranslationType           TranslationType;
00084 
00087   typedef typename Superclass::InverseTransformBaseType InverseTransformBaseType;
00088   typedef typename InverseTransformBaseType::Pointer    InverseTransformBasePointer;
00089 
00093   void SetIdentity( void );
00094 
00096   virtual void SetScale( const InputVectorType & scale );
00097   virtual void SetScaleComponent( const InputVectorType & scale )
00098     { this->SetScale(scale); }
00100 
00102   virtual void SetScale( const double scale[NDimensions] );
00103   virtual void SetScaleComponent( const double scale[NDimensions] )
00104     { this->SetScale(scale); }
00106 
00108   virtual const double * GetScale() const
00109     { return m_Scale; }
00110   virtual const double * GetScaleComponent() const 
00111     { return m_Scale; }
00113 
00118   void SetMatrixComponent(const MatrixType &matrix)
00119     { this->SetMatrix( matrix ); }
00120 
00124   const MatrixType & GetMatrixComponent() const 
00125     { return this->GetMatrix(); }
00126 
00130   void SetOffsetComponent(const OffsetType &offset)
00131     { this->SetTranslation( offset ); }
00132 
00136   const OffsetType & GetOffsetComponent(void) const 
00137     { return this->GetTranslation(); }
00138 
00140   bool GetInverse(Self* inverse) const;
00141 
00143   virtual InverseTransformBasePointer GetInverseTransform() const;
00144 
00145 
00146 protected:
00154   ScalableAffineTransform(const MatrixType &matrix,
00155                           const OutputVectorType &offset);
00156   ScalableAffineTransform(unsigned int outputSpaceDimension,
00157                           unsigned int parametersDimension);
00158   ScalableAffineTransform();
00160 
00161   void ComputeMatrix();
00162 
00164   virtual ~ScalableAffineTransform();
00165 
00167   void PrintSelf(std::ostream &s, Indent indent) const;
00168 
00169   void SetVarScale(const double * scale)
00170     { for(int i=0; i<InputSpaceDimension; i++) { m_Scale[i] = scale[i]; } }
00171 
00172 private:
00173 
00174   ScalableAffineTransform(const Self & other);
00175   const Self & operator=( const Self & );
00176   
00177   double               m_Scale[NDimensions];
00178   InputVectorType      m_MatrixScale;
00179 
00180 }; //class ScalableAffineTransform
00181   
00182 }  // namespace itk
00183 
00184 // Define instantiation macro for this template.
00185 #define ITK_TEMPLATE_ScalableAffineTransform(_, EXPORT, x, y) namespace itk { \
00186   _(2(class EXPORT ScalableAffineTransform< ITK_TEMPLATE_2 x >)) \
00187   namespace Templates { typedef ScalableAffineTransform< ITK_TEMPLATE_2 x > \
00188                                                   ScalableAffineTransform##y; } \
00189   }
00190 
00191 #if ITK_TEMPLATE_EXPLICIT
00192 # include "Templates/itkScalableAffineTransform+-.h"
00193 #endif
00194 
00195 #if ITK_TEMPLATE_TXX
00196 # include "itkScalableAffineTransform.txx"
00197 #endif
00198 
00199 #endif /* __itkScalableAffineTransform_h */
00200 

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