On Thu, Jul 05, 2007 at 16:38:25 +1000, Will Parkinson wrote:
> Just wondering if anybody knows how to convert a color postscript document 
> to a black and white one? I need to send it though a hylafax and the 
> quality is better if everything is black and white.

You can use ghostscript with the "psgray" device:

gs -q -dNOPAUSE -dBATCH -sDEVICE=psgray -sOutputFile=gray.ps color.ps

You can also try half-toned images produced by "psmono":

gs -q -dNOPAUSE -dBATCH -sDEVICE=psmono -sOutputFile=mono.ps color.ps

-- 
Regards,            | http://users.icfo.es/Florian.Kulzer
          Florian   |


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