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itkFourierSeriesPath.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkFourierSeriesPath.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:29:08 $
00007   Version:   $Revision: 1.4 $
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 _itkFourierSeriesPath_h
00019 #define _itkFourierSeriesPath_h
00020 
00021 #include "itkParametricPath.h"
00022 #include "itkVectorContainer.h"
00023 #include "itkContinuousIndex.h"
00024 #include "itkIndex.h"
00025 #include "itkOffset.h"
00026 #include "itkVector.h"
00027 
00028 namespace itk
00029 {
00030 
00031 
00061 template <unsigned int VDimension>
00062 class ITK_EXPORT FourierSeriesPath : public
00063 ParametricPath< VDimension >
00064 {
00065 public:
00067   typedef FourierSeriesPath           Self;
00068   typedef ParametricPath<VDimension>  Superclass;
00069   typedef SmartPointer<Self>          Pointer;
00070   typedef SmartPointer<const Self>    ConstPointer;
00071   
00073   itkTypeMacro(FourierSeriesPath, ParametricPath);
00074   
00076   typedef typename Superclass::InputType  InputType;
00077   
00079   typedef typename Superclass::OutputType OutputType;
00080   
00081   
00083   typedef ContinuousIndex<double,VDimension>    ContinuousIndexType; 
00084   typedef Index<  VDimension >                  IndexType;           
00085   typedef Offset< VDimension >                  OffsetType;          
00086   typedef Vector<double,VDimension>             VectorType;          
00087   typedef VectorContainer<unsigned, VectorType> CoefficientsType;
00088   typedef typename CoefficientsType::Pointer    CoefficientsPointer;
00089 
00090 
00092   virtual OutputType Evaluate( const InputType & input ) const;
00093   
00096   virtual VectorType EvaluateDerivative(const InputType & input) const;
00097   
00099   void AddHarmonic( const VectorType & CosCoefficients,
00100                     const VectorType & SinCoefficients );
00101   
00103   void Clear()
00104     {
00105     m_CosCoefficients->Initialize();
00106     m_SinCoefficients->Initialize();
00107     this->Modified();
00108     }
00109   
00111   itkNewMacro( Self );
00112   
00114   virtual void Initialize(void)
00115     {
00116     this->Clear();
00117     }
00118   
00119 protected:
00120   FourierSeriesPath();
00121   ~FourierSeriesPath(){}
00122   void PrintSelf(std::ostream& os, Indent indent) const;
00123   
00124 private:
00125   FourierSeriesPath(const Self&); //purposely not implemented
00126   void operator=(const Self&); //purposely not implemented
00127   
00128   CoefficientsPointer m_CosCoefficients;
00129   CoefficientsPointer m_SinCoefficients;
00130 };
00131 
00132 } // namespace itk
00133 
00134 #ifndef ITK_MANUAL_INSTANTIATION
00135 #include "itkFourierSeriesPath.txx"
00136 #endif
00137 
00138 #endif

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