Re: [Matplotlib-users] CMYK images

[Jae-Joon L. <lee...@gm...>]

While not a full solution, I have been playing with a ps backend that
saves images (and only images) in CMYK color.
lcms is required for color transform.

http://github.com/leejjoon/mpl_ps_cmyk

For example,

import mpl_toolkits.ps_cmyk
plt.savefig("test_cmyk.eps", format="eps_cmyk")

Regards,

-JJ



On Fri, Aug 27, 2010 at 6:12 AM, Robert Kern <rob...@gm...> wrote:
> On 8/26/10 3:26 PM, Fernando Perez wrote:
>> On Thu, Aug 26, 2010 at 11:39 AM, Eric Firing<ef...@ha...>  wrote:
>>> It's not trivial.  This might help:
>>>
>>> http://www.littlecms.com/
>>>
>>> See the tutorial for some nice background info.
>>
>> And this could be a good start for a python-based workflow:
>>
>> http://www.cazabon.com/pyCMS/
>>
>> *if* it works (it looks old, so it may have bit-rotted in the meantime).
>>
>> Another option would be to ctypes-wrap the calls of littleCMS one
>> needs just for this and be done with it.  Not very elegant, but it
>> might get the OP out of a bind with minimal work, and he'd have a
>> little eps2cmyk.py script he could run on his MPL-generated EPS files
>> for colorspace conversion.  Just an afternoon hack.  :)
>
> You can also use my numpy-aware wrappers:
>
>   http://www.enthought.com/~rkern/cgi-bin/hgwebdir.cgi/lcms/
>
> --
> Robert Kern
>
> "I have come to believe that the whole world is an enigma, a harmless enigma
>  that is made terrible by our own mad attempt to interpret it as though it had
>  an underlying truth."
>   -- Umberto Eco
>
>
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