Re: Converting from rgb to cmyk
On Fri, May 05, 2006 at 11:17:50PM +0200, Søren Christensen wrote:
> On Fri, May 05, 2006 at 10:59:04PM +0200, Søren Christensen wrote:
> > On Fri, May 05, 2006 at 07:35:13PM +0000, Olafur Jens Sigurdsson wrote:
> > > Þann 2006-05-05, 19:43:08 (+0200) skrifaði Søren Christensen:
> > > > I have some jpg-graphics, that I need to use in a leaflet-folder, that
> > > > shall be printed in offset.
> > > >
> > > > The jpg-graphics are in rgb-colormodel, but the printer would like to
> > > > have them in the cmyk-model.
> > > >
> > > > How can I convert between these models? Gimp doesn't seem to give that
> > > > as an option.
> > >
> > > Umm, this is a shot in the dark, but just to be the first to try and
> > > point you to something I suggest you have a look at the Imagemagick
> > > tools.
> > Perhaps, that would be a good guess, but the documentation does not give
> > me a hint.
> > convert can have the option -type with several values, "ColorSeparation"
> > being my best guess, but the documentation is not giving an answer.
> Need to correct myself.
> convert -colortype CMYK did the job.
well -colorspace CMYK it should be.