Hi Bob,
On 28/10/2005, at 10:07 AM, Bob van der Poel wrote:
I think I had and solved this one before ... but I'm no Perl
expert ... but, after "upgrading" my linux installation I'm getting
a bunch of errors.
When converting images I get:
pstoimg: Error: "/usr/bin/ppmquant -floyd 256 < /var/tmp/l2h31773/
p31811.pnm | /usr/bin/pnmtopng -interlace -trans 'gray85' >
img1.png" failed: Bad file descriptor
Run a job with -debug .
This will leave all the temporary files in the location where
image processing takes place.
(e.g., in /var/tmp/l2h31773 on the run you show here.)
Next, cd to that tmp/ subdirectory.
Break up the pipe into single commands:
e.g.
/usr/bin/ppmquant -floyd 256 < /p31811.pnm > test.pnm
/usr/bin/pnmtopng -interlace -trans 'gray85' < test.pnm > test.png
Which one fails ?
Error while converting image
over and over ...
I have checked to make sure I have the prerequisites ... I did not
have perldoc (A Mandriva Powerpack 2006 install), but that is there
now.
bob$ which perldoc ppmquant pnmtopng
/usr/bin/perldoc
/usr/bin/ppmquant
/usr/bin/pnmtopng
Also, I've tried to run as root and get the same errors, so I'm
pretty sure it's not a permission error.
I recently debugged a problem with ppmquant for Sun Solaris.
(Actually it was pnmremap which is called by ppmquant .)
The problem was solved by recompiling pnmremap without optimization.
Perhaps you are having a similar problem under Linux.
Please report back what you find.
I think there is a problem with pstoimg or some other part of the
image conversion chain. Is there a command test I can do to trace
it down?
See above.
Thanks.
Hope this helps,
Ross
--
Bob van der Poel ** Wynndel, British Columbia, CANADA **
EMAIL: [EMAIL PROTECTED]
WWW: http://mypage.uniserve.com/~bvdp
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Ross Moore [EMAIL PROTECTED]
Mathematics Department office: E7A-419
Macquarie University tel: +61 +2 9850 8955
Sydney, Australia 2109 fax: +61 +2 9850 8114
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