Is there any process whereby I can change the color of the graphic
> elements of a Postscript file, without changing the color of the text
> (black)?
>
> Object: PSpice can't show more than one Performance Analysis at a
> time (only one variable), so I resort to superimposing Postscript
> files of Performance Analyses (at different temperatures for example).
>
> I'd like to color each temperature run differently.
>
> Any way to do that?
>
> Thanks!
>
> ...Jim Thompson
The various Postscript manuals are freely available although they may not provide a quick answer. IIRC there are 'red' 'blue' and 'green' books. One is the Postscript reference manual and one is a tutorial. Alternatively you could ask in:
comp.lang.postscript