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real2DFFTData Class Reference

class real2DFFTData controls and manipulates real 2D fft data More...

#include <real2DFFT.H>

List of all members.

Public Methods
	real2DFFTData (int r, int c)
	Constructor with all memory to be allocated internally.
	~real2DFFTData ()
	Deconstructor.
int	getXSize ()
	The row count.
int	getYSize ()
	The column count.
int	getXHalfSize ()
	The half row count.
int	getYHalfSize ()
	The half column count.
void	reScale (void)
	Scales the output down by the number of elements.
void	compPowerSpec ()
	This function computes the power spectrum and updates the totalPower, maxPower and minPower.
void	compLogPowerSpec ()
	Finds 10*log10(power spectrum) and updates the totalPower, maxPower and minPower.
void	timeSpecAverage ()
	Updates timeXSum.
void	complexSpecAverage ()
	Updates realXSum and imagXSum.
void	powerSpecAverage ()
void	findYSum (int start, int stop)
	Finds the y-sum between columns start and stop.
void	findYMax (void)
	Finds the y-max for the ySum array, updates ySumMin, ySumMax, maxYSumIndex.
void	clearInput (void)
	Zeros the in array.
void	clearOutput (void)
	Zeros the out awway.
Public Attributes
fftw_real *	in
	The input data and power spectrum.
fftw_real *	power
	The input data and power spectrum.
fftw_complex *	out
	The output data.
fftw_real *	xSum
	Arrays which sum across rows (x) and columns (y).
fftw_real *	ySum
	Arrays which sum across rows (x) and columns (y).
fftw_real *	timeXSum
	A sum across the input time signal.
fftw_real *	realXSum
	Power spectral sums across rows (x) and columns (y).
fftw_real *	imagXSum
	Power spectral sums across rows (x) and columns (y).
double	totalPower
	The total power in the power spectrum, the maximum and minimum powers too.
double	maxPower
	The total power in the power spectrum, the maximum and minimum powers too.
double	minPower
	The total power in the power spectrum, the maximum and minimum powers too.
double	xSumMin
	The minimum/maximum row (x) and column (y) sums.
double	xSumMax
	The minimum/maximum row (x) and column (y) sums.
double	ySumMin
	The minimum/maximum row (x) and column (y) sums.
double	ySumMax
	The minimum/maximum row (x) and column (y) sums.
int	maxXSumIndex
	Row (x) and Column (y) max sum indexes.
int	maxYSumIndex
	Row (x) and Column (y) max sum indexes.

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Detailed Description

class real2DFFTData controls and manipulates real 2D fft data

Examples:

real2DFFTExample.cc.

Definition at line 36 of file real2DFFT.H.

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Member Function Documentation

void real2DFFTData::powerSpecAverage (    )

Finds the power Spectrum averages and updates the xSumMin, xSumMax, ySumMin, ySumMax, xSum, ySum, maxXSumIndex, maxYSumIndex

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

• real2DFFT.H

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