Legacy ImageMagick Discussions Archive

Figured it out. I just have to add

Thanks. This works for the images in the screenshots I posted, but those are the transfered alpha layers that I'm looking at.
How would I get IM to get that sort of an output first?

The original images look like this:
EDIT: snipped

EDIT: There are a variety of colors at times.

Hello. I'm trying to extract the topleftmost subimage from an image. Nothing is known about the image at the time of processing, but it is in the same general format and has an alpha layer. The image is a kind of a mosaic, but there is no pattern to where subimages are placed. In my first attempt, I...