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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef otbRealAndImaginaryImageToComplexImageFilter_h
#define otbRealAndImaginaryImageToComplexImageFilter_h
#include "itkBinaryFunctorImageFilter.h"
#include "vnl/vnl_math.h"
namespace otb
{
/** \class RealAndImaginaryImageToComplexImageFilter
* \brief Computes pixel-wise the complex image of a real and imaginary image.
*
* \sa RealAndImaginaryImageToComplexImageFilter
* \ingroup Multithreaded
*
* \ingroup OTBImageManipulation
*/
namespace Function {
template< class TInputImageRealPart, class TInputImageImaginaryPart, class TOutput>
class RealAndImaginaryToComplex
{
public:
typedef typename TOutput::value_type OutputValueType;
RealAndImaginaryToComplex() {}
~RealAndImaginaryToComplex() {}
bool operator!=( const RealAndImaginaryToComplex & ) const
{
return false;
}
bool operator==( const RealAndImaginaryToComplex & other ) const
{
return !(*this != other);
}
inline TOutput operator()( const TInputImageRealPart & real,
const TInputImageImaginaryPart & imaginary ) const
{
return TOutput(static_cast<OutputValueType>(real), static_cast<OutputValueType>(imaginary));
}
};
}
template <class TInputImageRealPart, class TInputImageImaginaryPart, class TOutputImage>
class ITK_EXPORT RealAndImaginaryImageToComplexImageFilter :
public itk::BinaryFunctorImageFilter<TInputImageRealPart,
TInputImageImaginaryPart, TOutputImage,
Function::RealAndImaginaryToComplex<
typename TInputImageRealPart::PixelType,
typename TInputImageImaginaryPart::PixelType,
typename TOutputImage::PixelType> >
{
public:
/** Standard class typedefs. */
typedef RealAndImaginaryImageToComplexImageFilter Self;
typedef itk::BinaryFunctorImageFilter<
TInputImageRealPart, TInputImageImaginaryPart, TOutputImage,
Function::RealAndImaginaryToComplex< typename TInputImageRealPart::PixelType,
typename TInputImageImaginaryPart::PixelType,
typename TOutputImage::PixelType> >
Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(RealAndImaginaryImageToComplexImageFilter,
BinaryFunctorImageFilter);
typedef typename TInputImageRealPart::PixelType InputRealPartPixelType;
typedef typename TInputImageImaginaryPart::PixelType InputImaginaryPartPixelType;
typedef typename TOutputImage::PixelType OutputPixelType;
typedef typename itk::NumericTraits< OutputPixelType >::ValueType OutputPixelValueType;
//#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
// itkConceptMacro(InputConvertibleToOutputCheck,
// (Concept::Convertible<InputRealPartPixelType, OutputPixelValueType>));
// itkConceptMacro(InputConvertibleToOutputCheck,
// (Concept::Convertible<InputImaginaryPartPixelType, OutputPixelValueType>));
/** End concept checking */
//#endif
void SetInputRealPart(const TInputImageRealPart * imageRealPart )
{
this->SetInput1( imageRealPart );
}
void SetInputImaginaryPart(const TInputImageImaginaryPart * imageImaginaryPart )
{
this->SetInput2( imageImaginaryPart );
}
protected:
RealAndImaginaryImageToComplexImageFilter() {}
~RealAndImaginaryImageToComplexImageFilter() ITK_OVERRIDE {}
private:
RealAndImaginaryImageToComplexImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace otb
#endif
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