Are you using CCITTFaxDecode in you post script..??
or is the image embeded into the postscript file..?

if (using CCITTFaxDecode) 
look at libtiff

do a tiffinfo -s foo.tiff
and make sure that you tiff file is in a format that
CCITTFaxDecode understands.
if it is not then you can copy it into the format with 


On Fri, Jul 20, 2001 at 03:06:03PM -0400, Mike Markowski wrote:
> Hi all,
> This is not a pure gimp question, but I expect other gimpers out
> there might have come across it.  After spending a good bit of time
> on an image, I'm having trouble with - I think - the postscript
> conversion.  We have an HP2500cp PostScript printer (prints on rolls
> 36" wide).  After writing out my gimp image as a tiff file, I used
> ImageMagick to convert it to PS at Architecture D size, which is 36"
> x 24": 
>       convert -page ArchD sr.tiff
> While the tiff file looks great on screen and I've seen very nice
> photo quality output from this printer, my converted image looks
> awful; loads of dithering.  Does anyone know what I might be doing
> wrong or what important step or steps have been overlooked?
>       Thanks very much,
>       Mike
> _______________________________________________
> Gimp-user mailing list

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