Description
Compute a two-dimensional Fourier transform over the sample and column axes
of each group, or perform the corresponding inverse transform. The program
uses FFTW and records the wavenumber sampling needed to interpret the column
frequency axis.
Synopsis
sgfft2 <stdin >stdout inv=false wrap=falseParameters
| Parameter | Type | Default | Description |
|---|---|---|---|
in |
ifile |
stdin
|
input file: invalid component will be removed |
out |
ofile |
stdout
|
output file, add field wavenum as index |
inv |
bool |
false
|
inverse or forward transform |
wrap |
bool |
false
|
wave number wrap or not |
Input and output
Input
input file: invalid component will be removed
Output
output file, add field wavenum as index