Channels are like R, G, B -- the values that constitute each pixel. Subimages are, for a few image file formats that support them, when you have multiple images in one file. One example is how a movie file consists of a different image for each frame. Another example is if you have stereo images, you might have one subimage for the left eye and another subimage for the right eye. But there are many other times when this comes up. (For OpenEXR in particular, OIIO's "subimages" correspond to what OpenEXR calls "parts".)
On Jan 29, 2022, at 12:27 PM, Dariusz <dari...@dariuszmakowski.com> wrote: > > Hmmm I just discovered OIIO::ImageOutput::AppendSubimage, I take this is not > what I want then... ? > Your explanation with compression/etc makes total sense. This subimage must > be something different then, gotta read in. -- Larry Gritz l...@larrygritz.com
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