Search found 5 matches

by brianleake
2014-06-05T17:39:56-07:00
Forum: Users
Topic: Separating key color and everything else preserving alpha
Replies: 10
Views: 8614

Re: Separating key color and everything else preserving alph

You guys absolutely rock! Thank you so much for your assistance throughout the day today. All of these tips have been immensely helpful, I think I have enough to fix up soon pretty cool shell scripts to do what I need.

Again, thank you all! :D
by brianleake
2014-06-05T14:44:55-07:00
Forum: Users
Topic: Separating key color and everything else preserving alpha
Replies: 10
Views: 8614

Re: Separating key color and everything else preserving alph

Then use user snibgo's method. As we both said, often, there are several ways to approach doing things. Pick the one that seems best for your application. You will need to convert snibgo's method to unix syntax. The fuzz may be needed in his method also, depending upon whether your objects are anti ...
by brianleake
2014-06-05T14:30:13-07:00
Forum: Users
Topic: Separating key color and everything else preserving alpha
Replies: 10
Views: 8614

Re: Separating key color and everything else preserving alph

CORRECTION: I've just noticed that for task 1, you want to retain the alpha of the red lines. My command above makes them opaque. Sorry. This keeps the alpha. (It also turns red to green, keeping the alpha. Remove the line if you don't want it.) Awesome! :-) This seems to do the trick to separate ...
by brianleake
2014-06-05T14:18:13-07:00
Forum: Users
Topic: Separating key color and everything else preserving alpha
Replies: 10
Views: 8614

Re: Separating key color and everything else preserving alph

You did not specify your IM version or platform. Please do so in the future on all posts. ... Also I just guessed at 10% for the fuzz, since I did not accurately measure the alpha values for the action lines. You may want to accurately measure the range of values in the alpha channel for the action ...
by brianleake
2014-06-05T10:40:16-07:00
Forum: Users
Topic: Separating key color and everything else preserving alpha
Replies: 10
Views: 8614

Separating key color and everything else preserving alpha

I have a tricky problem I've been struggling with for a few days, hope those who are pros in Image Magick might be able to help me... I have an RGBA .PNG image consisting of regular image artwork (eg. a sword) and action lines (eg. a swipe) that needs to be separated out as two images. The action ...