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Date: Mon, 07 Sep 2009 19:03:21 +0200
From: Andreas Kleinert <info@ar-kleinert.de>
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Cc: Peter C <peterchan.ml@gmail.com>
Subject: Re: [Tiff] tiff2ps : LZW compression fails for some images
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Did you see my previous posting on LZW issues? Is your error similar?

Peter C schrieb:
> I found some LZW compress image (postscript files)  produce by  
> tiff2ps  does not interpret correctly on RIP or distiller. My current  
> project requires LZW to support postscript level 2. The tests is done  
> on libtiff 3.9.1 and image files is gray scale TIFF. RIP/distiller  
> tested, ghostscript 8.7, Preview.app (Mac OS X) and Acrobat 9  
> distiller, all fail for the some files.
> 
> Has anyone encounter this before ?
> 
> =====================
> 
> This is slightly off topic. After experimenting with many LZW encoding  
> implementations, some source codes on the net and did one on my own. I  
> am unable to get a reliable LZW encoding code for postscript file  
> generation. Somehow it is a mystery, on how LZW is implemented for  
> postscript.
> 
> 
> Peter C.
> 
> _______________________________________________
> Tiff mailing list: Tiff@lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/tiff
> http://www.remotesensing.org/libtiff/
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