RGB to CMYK

Discussions on NConvert - the command line tool for image conversion and manipulation

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Brian Pugh
Posts: 28
Joined: Wed Dec 21, 2005 12:31 pm
Location: England

RGB to CMYK

Post by Brian Pugh » Thu Jun 01, 2006 7:26 am

Hi,

I've started writing a GUI wrapper for nconvert to convert RGB jpegs to CMYK jpegs. Is it possible to convert from rgb to cmyk?

I notice there is a -cspace cmyk, and thought that this would do the trick, but no joy so far

Also, is it possible to embed an .icc profile in the output jpeg?

Has anybody got any pre-written nconvert command lines for me to look at, and learn from

Many thanks,

Brian

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xnview
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Re: RGB to CMYK

Post by xnview » Thu Jun 01, 2006 7:32 am

Brian Pugh wrote:Hi,

I've started writing a GUI wrapper for nconvert to convert RGB jpegs to CMYK jpegs. Is it possible to convert from rgb to cmyk?

I notice there is a -cspace cmyk, and thought that this would do the trick, but no joy so far

Also, is it possible to embed an .icc profile in the output jpeg?

Has anybody got any pre-written nconvert command lines for me to look at, and learn from
Currently icc profile is not supported, -cspace is for RAW files
Pierre.

Brian Pugh
Posts: 28
Joined: Wed Dec 21, 2005 12:31 pm
Location: England

Post by Brian Pugh » Thu Jun 01, 2006 7:45 am

Pierre,

Thanks for the quick reply - I'll look for something else, then!

I have been experimenting with ImageMagick, which does let you embed profiles, but I couldn't fine-tune enough to get the output I required

Oh, well, I feel a Google coming on!

Brian

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