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April 2010

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2010.04.29 11:05 "Problem with tiff2ps page split", by Thomas Jarosch

Hello,

I'm running libtiff 3.9.2 to convert incoming fax documents
to PDF files. Everything works fine except when I receive
multiple pages disguised as one very large page.

Commands used:
-----------------------------------------------
# Crop to A4 page width
tiffcrop -e combined -U in -X 8.26 very_long_page.tiff cropped.tiff

# Convert to postscript. Split overlong pages
/usr/bin/tiff2ps -pa1 -w 8.27 -h 11.69 -H 13 -L 0.5 -O doc.ps cropped.tiff

# Create PDF
/usr/bin/ps2pdf -sPAPERSIZE=a4 doc.ps output.pdf
-----------------------------------------------

The output looks garbled as the first page just gets repeated somehow.
Doing the same thing with libtiff 3.8.2 looks a bit better,
though whole pages still get repeated.

I tried to debug the code but after several hours figuring
out how it works with no real progress, I thought it might
be a good idea to ask for help :)

Here you can find an example document:
http://www.intra2net.com/en/developer/very_long_page.tiff

Any idea what might go wrong? This used to work...

Thanks in advance,
Thomas