[argyllcms] Re: tiffgamut with L*a*b* files?

Peter Karp wrote:

according the documenation tiffgamut should work for CIELAB Tifs.


Yes, this does work.


I have not been successful so far and tried:



  Color Space  = Lab
  Conn. Space  = Lab



Unknown: Error - Profile isn't a device profile


I would guess that the colorspace profile is confusing the
processing logic. If you could mail me the profile, I'll see
if I can figure out what's going wrong.

Graeme Gill.


2)
tiffgamut PantoneHexachrome.tif
-> gives the short help message

Is it possible to create a gamut file for CIELAB Tifs?


Probably not. I think tiffgamut assumes that the tif file is
in device space. This can probably be fixed.


As a workaround I converted all 1024 named Pantone colors in a tif
from CIELAB to ProPhoto and checked if a value is 255. One value was,
so it seems that only one color from the Pantone named colors is
on the border or outside ProPhotoRGB.


Yes, that should work.

Graeme Gill.

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