getting binary alpha channel from png — OZONE Asylum, home of the Mad Scientists

This page's ID: 28454

Edit Post

Who can edit a post?	The poster and administrators may edit a post. The poster can only edit it for a short while after the initial post.

Your User Name:
Your Password:
Login Options:	Remember Me On This Computer

Your Text: Insert Slimies » Insert UBB Code » Close Last Tag \| All Tags UBB Help	hi guys, i have a png file with pixels in different alpha values. some completely opaque, some completely transparent, some in between. since it's a png it doesnt show an extra alpha channel in the channel list. what i want to do now, is to remove all those "in between" alpha values. say the alpha channel runs from 0 to 1, i want all pixels with alpha 0 < 0.5 set to alpha 0 and all others set to alpha 1. usually i would do this with the image->adjust->threshold, but as i said, pngs dont show up their alpha channel. :/ thanks a lot! [url=http://www.embege.com][img]http://www.embege.com/asylum/ozone-sig-toytrain.gif[/img][/url] [small](Edited by [url=http://www.ozoneasylum.com/user/562]GRUMBLE[/url] on 09-20-2006 19:03)[/small] Loading...
Options:	Enable Slimies Enable Linkwords

Edit Post