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itkScaleTransform.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkScaleTransform.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:25 $ 00007 Version: $Revision: 1.20 $ 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 __itkScaleTransform_h 00019 #define __itkScaleTransform_h 00020 00021 #include <iostream> 00022 #include "itkTransform.h" 00023 #include "itkExceptionObject.h" 00024 #include "itkMatrix.h" 00025 00026 namespace itk 00027 { 00028 00036 template < 00037 class TScalarType=float, // Type for cordinate representation type (float or double) 00038 unsigned int NDimensions=3 > // Number of dimensions 00039 class ITK_EXPORT ScaleTransform : public Transform< TScalarType, 00040 NDimensions, 00041 NDimensions > 00042 { 00043 public: 00045 typedef ScaleTransform Self; 00046 typedef Transform< TScalarType, NDimensions, NDimensions > Superclass; 00047 typedef SmartPointer<Self> Pointer; 00048 typedef SmartPointer<const Self> ConstPointer; 00049 00051 itkNewMacro( Self ); 00052 00054 itkTypeMacro( ScaleTransform, Transform ); 00055 00057 itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions); 00058 itkStaticConstMacro(ParametersDimension, unsigned int, NDimensions); 00059 00061 typedef typename Superclass::ScalarType ScalarType; 00062 00064 typedef typename Superclass::ParametersType ParametersType; 00065 00067 typedef typename Superclass::JacobianType JacobianType; 00068 00070 typedef FixedArray<TScalarType, itkGetStaticConstMacro(SpaceDimension)> ScaleType; 00071 00073 typedef Vector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputVectorType; 00074 typedef Vector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputVectorType; 00075 00077 typedef CovariantVector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputCovariantVectorType; 00078 typedef CovariantVector<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputCovariantVectorType; 00079 00081 typedef vnl_vector_fixed<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputVnlVectorType; 00082 typedef vnl_vector_fixed<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputVnlVectorType; 00083 00085 typedef Point<TScalarType, itkGetStaticConstMacro(SpaceDimension)> InputPointType; 00086 typedef Point<TScalarType, itkGetStaticConstMacro(SpaceDimension)> OutputPointType; 00087 00091 void SetParameters(const ParametersType & parameters); 00092 00095 const ParametersType & GetParameters( void ) const; 00096 00098 const JacobianType & GetJacobian( const InputPointType & point ) const; 00099 00105 void SetScale( const ScaleType & scale ) 00106 { this->Modified(); m_Scale = scale; } 00107 00109 void Compose(const Self * other, bool pre=false); 00110 00115 void Scale(const ScaleType & scale, bool pre=false ); 00116 00121 OutputPointType TransformPoint(const InputPointType &point ) const; 00122 OutputVectorType TransformVector(const InputVectorType &vector) const; 00123 OutputVnlVectorType TransformVector(const InputVnlVectorType &vector) const; 00124 OutputCovariantVectorType TransformCovariantVector( 00125 const InputCovariantVectorType &vector) const; 00126 00131 inline InputPointType BackTransform(const OutputPointType &point ) const; 00132 inline InputVectorType BackTransform(const OutputVectorType &vector) const; 00133 inline InputVnlVectorType BackTransform(const OutputVnlVectorType &vector) const; 00134 inline InputCovariantVectorType BackTransform( 00135 const OutputCovariantVectorType &vector) const; 00136 00141 typename ScaleTransform::Pointer Inverse(void) const; 00142 00146 void SetIdentity( void ) 00147 { m_Scale.Fill( 1.0 ); } 00148 00149 00151 itkSetMacro( Center, InputPointType ); 00152 itkGetConstMacro( Center, InputPointType ); 00153 00154 00156 itkGetConstMacro( Scale, ScaleType ); 00157 00158 00159 protected: 00161 ScaleTransform(); 00162 00164 ~ScaleTransform(); 00165 00167 void PrintSelf(std::ostream &os, Indent indent) const; 00168 00169 00170 private: 00171 ScaleTransform(const Self & other); //purposely not implemented 00172 const Self & operator=( const Self & ); //purposely not implemented 00173 00174 ScaleType m_Scale; // Scales of the transformation 00175 00176 InputPointType m_Center; // Scaling center 00177 00178 }; //class ScaleTransform 00179 00180 } // namespace itk 00181 00182 00183 #ifndef ITK_MANUAL_INSTANTIATION 00184 #include "itkScaleTransform.txx" 00185 #endif 00186 00187 #endif /* __itkScaleTransform_h */

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