Anthony Thyssen wrote:
Illtud Daniel on wrote...
| convert -fx 'r/8' -depth 8 image.pgm out.pgm
|
| gives me the same image but with the levels squashed into 0-31.
but the maxrgb value for the image will still be 256!
only the vlaue will be in 0-31 range!
Yes. This is what I want. Or rather, this is what the dyesub
card printer I'm using wants.
Gabe pointed out that the Fx operator returns another Image::Magick
object, it doesn't operate on the object given. I don't think that's
very obvious from the documentation, to be honest.
Anyway, I've got what I need now, thank you. Once again ImageMagick
proves itself to be the swiss army knife of image manipulation. Much
appreciated.
--
Illtud Daniel [EMAIL PROTECTED]
Uwch Ddadansoddwr Systemau Senior Systems Analyst
Llyfrgell Genedlaethol Cymru National Library of Wales
Yn siarad drosof fy hun, nid LlGC - Speaking personally, not for NLW
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