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From: Frank Warmerdam <warmerdam@pobox.com>
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To: James Gardner <jgardner@bcbsal.org>
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Subject: Re: [Tiff] tiff2pdf question
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Date: Wed, 04 Feb 2004 09:52:54 -0500
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James Gardner wrote:
> I am trying to convert tiffs to pdf using the following two commands.
> 
> /usr/bin/tiffcp  /var/www/html/images/200440302901171.tif
> /var/www/html/images/200440302901172.tif
> /var/www/html/images/200440302901173.tif $tiffMultiImage
> 
> /usr/local/bin/tiff2pdf -o $pdfMultiImage $tiffMultiImage
> 
> I get the following error:
> 
> TIFFFieldWithTag: Internal error, unknown tag 0x0.
> tiff2pdf: tif_dirinfo.c:407: _TIFFFieldWithTag: Assertion `fip != ((void
> *)0)' failed.
> 
> tiffcp seems to work and produces a file.  But it looks like tiff2pdf
> can't read it.  Please tell me what that error is telling me.  I have
> tried multiple options on the tiffcp and tiff2pdf commands, and I can't
> make it go away.
> 
> The tiffs are packbit compression.  I have tried to convert them to g4
> in the tiffcp command, but I get an error about sampling having to be 1.
>  I can't see how to set sampling.  Is packbits the problem?

James,

Assuming this isn't a build/linkage issue as Andrey suspects, you will need
to provide a sample file demonstrating the problem.  This isn't a problem
I have seen before.

Best regards,

-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam@pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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