[argyllcms] Re: Targen/printarg bugs ?
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 05 Jan 2011 23:04:44 +1100
Elena [service address] wrote:
D:\>D:\Argyll_V1.3.2\bin\targen.exe -v -d 4 -g 10 -f 1000 -l 300 test
It seems like a numerical coincidence bug. I'll look into it. A simple
workaround
is to choose some limit other than exactly 300:
targen.exe -v -d 4 -g 10 -f 1000 -l 299.9 test
Oh, it looks like somebody else had a similar problem:
//www.freelists.org/post/argyllcms/V130-Targen-whit-c-option-preconditioning-profile-speed-of
No, it's a different issue. There's no guaranteed that the OFPS algorithm will
succeed for
any possible device<->perceptual space mapping (previous/similar ICC profile).
The
shape of the colorspace may make it impossible. To solve this sort of issue,
either
a different algorithm should be used, or a lower resolution/simpler profile
should
be used.
Graeme Gill.
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