On Jul 19, 2005, at 4:33 PM, Joel Norris wrote:
> Yes, I still get a plot. But is it in CMYK?
>
One way is to look at the PostScript output file, but this is a
bit obscure. There is a procedure in there "O" that defines colors.
If that procedure calls another procedure "Sc", then you are getting
cmyk colors ("Sc" invokes the PostScript operator "setcmykcolor");
if the procedure "O" invokes "setrgbcolor" instead of "Sc",
then you will be getting RGB colors. I need to define the color
procedure at the beginning of a PostScript file which is why I
need to know what it is supposed to be before opening the workstation.
There will usually be a slight color shift between RGB and CMYK
for bright colors when produced on a color printer. This can
depend a lot on the printer. The attached PostScript files show
a bluish square produced with RGB for one and CMYK for the other.
Fred Clare
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