Reference

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fftpolar

No arguments

Description:

Compute fourier transform of selected images, as centered magnitude/phase images.

Example of use:

$ gmic image.jpg fftpolar ellipse 50%,50%,10,10,0,1,0 ifftpolar
Command: image.jpg fftpolar ellipse 50%,50%,10,10,0,1,0 ifftpolar