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itkComplexToPhaseImageAdaptor.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkComplexToPhaseImageAdaptor.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006-03-19 23:24:29 $
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 #ifndef __itkComplexToPhaseImageAdaptor_h
00018 #define __itkComplexToPhaseImageAdaptor_h
00019 
00020 #include <itkImageAdaptor.h>
00021 #include <complex>
00022 
00023 namespace itk
00024 {
00025  
00026 namespace Accessor {
00038 template <class TInternalType, class TExternalType >
00039 class ITK_EXPORT ComplexToPhasePixelAccessor  
00040 {
00041 public:
00044   typedef TExternalType ExternalType;
00045 
00048   typedef TInternalType InternalType;
00049 
00050   static inline void Set(TInternalType & output, const TExternalType & input) 
00051     {output = (TInternalType)(input);}
00052 
00053   static inline TExternalType Get( const TInternalType & input ) 
00054     {return (TExternalType)( vcl_atan2(input.imag(), input.real() ) );}
00055 };
00056   
00057 } // end namespace Accessor
00058  
00067 template <class TImage, class TOutputPixelType>
00068 class ITK_EXPORT ComplexToPhaseImageAdaptor : public
00069       ImageAdaptor<TImage,
00070                    Accessor::ComplexToPhasePixelAccessor<
00071                                       typename TImage::PixelType,
00072                                       TOutputPixelType>   >
00073 {
00074 public:
00076   typedef ComplexToPhaseImageAdaptor                Self;
00077   typedef ImageAdaptor<TImage, Accessor::ComplexToPhasePixelAccessor<
00078                                typename TImage::PixelType,
00079                                TOutputPixelType> >  Superclass;
00080   typedef SmartPointer<Self>                        Pointer;
00081   typedef SmartPointer<const Self>                  ConstPointer;
00082 
00084   itkNewMacro(Self);  
00085 
00087   itkTypeMacro( ComplexToPhaseImageAdaptor, ImageAdaptor );
00088 
00089 protected:
00090   ComplexToPhaseImageAdaptor() {}
00091   virtual ~ComplexToPhaseImageAdaptor() {}
00092   
00093 private:
00094   ComplexToPhaseImageAdaptor(const Self&); //purposely not implemented
00095   void operator=(const Self&); //purposely not implemented
00096 
00097 };
00098 
00099 } // end namespace itk
00100 
00101 #endif
00102 

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