Attached Link: http://www.morphography.uk.vu/bumpmaps.html

Yes. (See attached link.) It's not really reversable, though. What you can do, though, is change the extension from .bum to .bmp, open it in Photoshop (or whatever you use) and make it a greyscale image and tweak it. Sometimes this works very well, sometimes it's less than optimal. bonni

"When a man gives his opinion, he's a man. When a woman gives her opinion, she's a bitch." - Bette Davis