Legacy ImageMagick Discussions Archive

For your images, perhaps trimming them will remove the need for the subimage-search. Command: convert c100.png c100-T.png -trim +repage -compose Difference -composite -transparent black sparse-color: Output: 2,11,white 1,12,white I don't understand your last post. You would put both commands within ...

Also, snibgo, would I need to run the first portion of your script, the -subimage-search portion, on every image, and then keep track of where to crop? That doesn't sound like fun on >3000 images.

Micah

Hi Fred – Your script has a lot of potential. The gravity option is new to me. I've been playing around with it for the past few minutes, trying to figure out the best setting for it. When there's only one pixel difference in X or Y for the two images I'm diffing, then centering will never work (or a ...

Different sizes: Image 1 is 19x25 pixels http://benthic.cc/c100.png Image 2 is 16x24 pixels http://benthic.cc/c100-T.png You see the images are essentially identical. Image 1 has a 1px buffer around it that can be ignored. Any idea on how I can diff a bunch (~3000) small PNGs like this to show ...

Whoops, yes, my mistake to leave that out: I'm working in OS X. I know some things about bash scripting but a solution to this one eludes my immediate thoughts. Hm, well, I know many are different and I want to demonstrate how they are different, so a result that quantifies the difference isn't ...

Hi all – I'm brand-new to IM scripting. I read the Usage pages on comparisons and took a look at some scripts as well as the first several pages of a forum search but didn't see anything really relevant to my issue. (I apologize if I missed something.) I have two folders of the same set of small b ...