A minor correction to part of Aaron's recent message, in which he said:
> Some of the image manipulating facilities in David Young's popvision
> library will also be useful (though at present they work only if you
> start X up in 8 bit mode because they use colour maps):
>
> http://www.cs.bham.ac.uk/research/poplog/popvision/
> http://www.cs.bham.ac.uk/research/poplog/popvision.tar.gz
Actually, most of popvision is independent of the display. E.g.
convolutions, FFTs, region finding and so on are all just operations on
Pop-11 arrays. There is one library (rc_array) for image display which
does unfortunately make the 8-bit assumption, and a useful little
procedure called rci_show which calls it, but the image processing does
not depend on these.
David
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