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Thread: imagemagick output of cmyk questionable?




imagemagick output of cmyk questionable?
user name
2005-12-20 01:11:41
Hello, i've downloaded ImageMagick (seems pretty
impressive), and am 
trying to use it to convert RGB images to CMYK, which are
then being 
inserted into PDF files that we're rendering.  i'm working
on Windows 
Server 2003, have ImageMagick 6.2.5, and i found 'srgb.icm'
on my 
computer (which i'm using for the RGB profile) and
downloaded 
'USWebCoatedSWOP.icc' from Adobe.  i'm having this issue:

1)  When i run a command like:

convert rgb_file.jpg -profile pathtosrgb.icm -profile 
pathtoUSWebCoatedSWOP.icc cmyk_file.jpg

everything seems to work fine, and the file size increases
quite a bit 
(a good sign, i'm guessing?).  But when i examine the file
properties, 
it still says 'Color Representation: sRGB' and after i
insert it into my 
PDF Acrobat says it's RGB too.  i forget what the command
is, but i 
examined the properties with ImageMagick and it said CMYK.
What gives?

Any assistance with debugging/diagnosing/resolving the
problem would be 
much appreciated.  Thanks for your time,

jesse
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