Thanks for the suggestion. Using Joao <[EMAIL PROTECTED]> lead I use for now python-fu with the numarray extension. As far as I know such speedups are something scrip-fu is not capable off, and I truly hope one day script-fu will be phased out and python-fu (or any other sane scripting language) will take it's place.Others might disagree, but I don't consider perl sane :)
BTW, all this was part of a small evaluation of CCD noise removal method. If you are interested, the details are in http://pages.quicksilver.net.nz/pepe/d70/Nikon_D70_on_Linux.html#ISONoise
The results are quite dismaying. I appreciate any insight on the subject. However please note I am not looking for a solution for the specific image I used, but a generic one.
Øyvind Kolås wrote:
On Tue, 30 Nov 2004 13:25:16 +1300, Joseph Heled <[EMAIL PROTECTED]> wrote:
(I think this has been discussed on the list before, but not sure where/when.)
What is the best way to achieve the following functionality -
Given two layers L1 and L2, I want L2 limited by it's distance from L1
Result <- L1 - MIN( MAX(L1 - L2), -20), 20)
Options: A. Write a plugin B. Write it as a script-fu (not sure if script-fu can iterate on pixels, and what is the speed implication). And I hate scheme. C. Write it in python fu if I can compile it, but even though it is probably not as universally available as scrip-fu. Can I iterate over an image in python-fu? D. I know I can do it with 5 layers and overlay modes. write this as a script-fu. Not elegant and requires loads of memory for large images.
E. extend gluas to be able to pick an auxiliary drawable for additional pixel sources, (essentially resurrecting some code I initially had in a different version of gluas, and write the expression in gluas).
( gluas is at http://pippin.gimp.org/plug-ins/gluas/ )
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