Originally Posted by TommyO
If you are looking to download the FFT_RGB filters again, they can be hard to locate. Alexandre Chirokov is no longer part of the website at Drexel Univ. To download the FFT_RGB filter go to this site and scroll to the bottom of the page. It is the only server I can find that still has it. http://www.skeller.ch/ps/fft_action.php
We should probably consider archiving it on RetouchPro also.
I've managed to get the FFT RGB working, my stupid brain, after painting with the FFT brushes on the red channel, I didn't turn back all the channels before I run the IFFT.
It's all working now
many thanks for your help