On Tue, 2005-01-18 at 08:38 +1100, [EMAIL PROTECTED] wrote: > If this doesn't exist as an obscure technique in the gimp or some such I'd > be surprised.
The standard technique is to subtract one image from the other. Gimp's layers functionality can do this, and I'm pretty sure you can do it with ImageMagick too. Check out the convert manpage; I don't remember the details. HTH, James.
signature.asc
Description: This is a digitally signed message part
-- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
