Thanks to everyone who replied to my request for information
about converting PostScript to pbm (and thence to gif) .
Please don't send me any more solutions - the summary is crossposted
so that everyone who saw the original message will stop sending me
solutions - disc space is finite :-)
The popular answer is to obtain an up to date version of Ghostscript,
which contains a postscript program called pstoppm.ps . The most
recent version is 2.4.1, which is available from a number of ftp sites.
This version will also produce output in .gif format, so the
.ps to .gif conversion canbe done without using PBMPLUS at all.
Another solution for non-ghostscript users is to edit the postscript file
-- figure out the image dimensions and number of bits/pixel
-- edit the PostScript file to remove all the crud above and including the
PostScript `image' operator
-- use psidtopgm <width> <height><bits/pixel> | pgmtogif to generate
the .gif file
This will work only with monochorome images written using the PS
`readhexstring' operator. Thanks to Adrian Clark for this solution.
Thanks once again to all those who helped.
Pete Young email@example.com Phone +44 473 645054
BT Labs, Martlesham Heath, IPSWICH IP5 7RE UK
"Seen on Pavlov's door: Knock. Don't ring bell." - mathew sutherland
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