Legacy ImageMagick Discussions Archive

Ahh.. thanks for the quick response. I never would've been able to figure out that sequence. How does one understand the semantics of all the operations? The manuals are a bit too terse for me to figure it out. For example, how would I have been able to deduce the need for the null: there? Is that ...

Hello! I'm trying to subtract a given image from each image in a multi-image MIFF file. I have a bunch of greyscale tiff files and I want to subtract the mean of all of them from each image. I tried this: magick *.tiff merged.miff magick merged.miff -evaluate-sequence mean mean.miff magick merged ...