A class to compute the Fourier transforms based on the FFTW library. More...

#include <FFTWCalculator.h>

Inheritance diagram for stira::fouriertools::FFTWCalculator:

Public Member Functions
	FFTWCalculator (ArrayGrid< std::complex< double > > *pComplexGrid)
	construct an FFT calculator initialized with data from an FFTBand More...

	FFTWCalculator ()
	construct an empty FFT calculator

virtual	~FFTWCalculator ()
	destructor

virtual void	ApplyForwardTransform ()
	Computes the forward FFT.

virtual void	ApplyInverseTransform ()
	Computes the inverse FFT.

Public Member Functions inherited from stira::fouriertools::FFTCalculator
	FFTCalculator (ArrayGrid< std::complex< double > > *pComplexGrid)
	construct an FFT calculator initialized with and FFTBand More...

	FFTCalculator ()
	construct an FFT calculator; not initialized

virtual	~FFTCalculator ()
	destructor

void	SwitchQuadrants ()
	Switches the four quadrants by mirroring them around the center of the image As source image, the image given at construction time is used.

void	SwitchQuadrants (ArrayGrid< std::complex< double > > *pGridIn)
	Switches the four quadrants by mirroring them around the center of the image. More...

Additional Inherited Members
Protected Attributes inherited from stira::fouriertools::FFTCalculator
ArrayGrid< std::complex< double > > *	mpComplexGrid
	Grid with the complex data.

int	mWidth
	width of the data

int	mHeight
	height of the data

Detailed Description

A class to compute the Fourier transforms based on the FFTW library.

Constructor & Destructor Documentation

stira::fouriertools::FFTWCalculator::FFTWCalculator ( ArrayGrid< std::complex< double > > * pComplexGrid )

construct an FFT calculator initialized with data from an FFTBand

Parameters

pComplexGrid pointer to an ArrayGrid of complex values

The documentation for this class was generated from the following files: