On Sat, May 06, 2006 at 10:39:50AM +0930, David Purton wrote: > 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. > > > > > Be careful! This will (probably) give you a transformation to CMYK > without using colour management. When your picture is printed, you will > likely be disapointed with the results. > > There is a colour separation plugin for the gimp which is probably the > easiest way for you to do this. > > You can read about it, how to get it and use it from here: > > http://www.blackfiveservices.co.uk/separate.shtml > > You can ask your printer for a colour profile to use in the conversion. > > There is also quite a lot about colour management on the Scribus > website: www.scribus.net >
Thank you very much. /severino -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
