[scribus] CMYK and 1.4.0
gregp_ky at yahoo.com
Sun Mar 13 04:43:32 CET 2011
On 03/12/2011 10:35 PM, John Culleton wrote:
> On Saturday 12 March 2011 19:48:15 Louis Desjardins wrote:
>> 2011/3/12 Gregory Pittman<gregp_ky at yahoo.com>
>>> On 03/12/2011 06:42 PM, John Culleton wrote:
>>>> I scanned a photo creating a RGB file in png format. Then I
>>>> converted the picture to CMYK and TIFF format using ImageMagick.
>>>> When inserted into a graphics frame using Scribus 1.4.0rc2 part
>>>> of the picture (light blue sky) was marked as out of gamut.
>>>> However when inserted in a graphics frame in 1.5.0 it was not
>>>> marked as out of gamut.
>>>> Either 1.4.0rc2 or 1.5.0 is handling the converted picture
>>>> Here is the conversion command:
>>>> convert loon.png -colorspace CMYK loon.tiff.
>>> Why not do the simple thing and leave it in RGB?
>> That is an idea, of course. But I think that the case needs a bit
>> of digging, no?
> I intend to print the book. Are you suggesting that Scribus will do
> the conversion on the fly, using an icc profile?
Yes, this is what Scribus is meant to do, convert RGB to CMYK.
If you find that staying in RGB works, then it may be that ImageMagick
is to blame, or perhaps the scanner. At any rate, this is a challenging
workflow for color fidelity.
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