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Re: How to publish CMYK EPS on the web?

Am Donnerstag, den 20.01.2005, 09:32 +1030 schrieb David Purton:
> On Wed, Jan 19, 2005 at 08:45:33PM +0100, Joerg Rossdeutscher wrote:

> > Am Mittwoch, den 19.01.2005, 16:21 +0100 schrieb Piotr Kopszak:
> > > I would be interested in any  of your ideas concerning the question in
> > > the  subject or  simply(?)   in receiving  a  command line  parameters
> > > necessary  to obtain RGB  jpeg from  CMYK EPS  Photoshop 8.0  files in
> > > appropriate colours.  I'm using GNU  Ghostscript 7.07 that  comes with
> > > Debian.
> > 
> > 1. Install ImageMagick.
> > 2. "convert my.eps my.jpg"
> This wont give you the right colours. You need something that
> understands colour management.

1. ImageMagick uses colormanagement (liblcms)

2. there is nothing like "right" colors when changing colorspace
   between RGB and CMYK. Except for pure white the color is always

> You will need Little CMS (excellent colour management library) and some
> colour profiles. Google for adobe icc profiles to get some standard ones
> from adobe.

And exactly that one is used by ImageMagick.

> Although, you with some stuffing around, you might be able to use
> gs7.07, I *highly* recommend you use gs8.50, unfortunately not available
> yet as a deb, so you will need to grab source.
> gs8.50 has a tiff32nc device that will give you a CMYK tiff from your
> eps, e.g:
>         gs -sDEVICE=tiff32nc -sOutputFile=cmyk_image.tif cmyk.eps

ImageMagick just delegates postscript to ghostscript. If you use IM, you
use GS. Just easier.

Bye, Ratti

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