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From: "Joris" <joris.at.lebbeke@skynet.be>
To: "Peter \(Zebar\) Astakhov" <astakhovp@elinar-broiler.ru>
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Subject: Re: [Tiff] Question
Date: Wed, 24 Aug 2005 11:44:49 +0200
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Status:   

Peter,

Peter (Zebar) Astakhov wrote:
> I make tiffdump <filename> > tifinfo.txt
> This file I send as attachment.
> ...
> Compression (259) SHORT (3) 1<4>

4 = CCITT Group 4 fax encoding

> Photometric (262) SHORT (3) 1<0>

0 = WhiteIsZero. For bilevel and grayscale images: 0 is imaged as white.

> SamplesPerPixel (277) SHORT (3) 1<1>
> BitsPerSample (258) SHORT (3) 1<1>

That is all consistent, and all other stuff seems to be consistent
too...

All your IFDs seem to have these properties. That means, I see nothing
wrong with it. I'm not a LibTiff expert, but I'm pretty sure there's no
reason why LibTiff would not be able to handle this type of image.

Either this QFaxReader is to blame, or perhaps there's something odd
like a consistent bad compression or something. Have you checked with
other apps that likely use LibTiff?


Joris Van Damme
info@awaresystems.be
http://www.awaresystems.be/
Download your free TIFF tag viewer for windows here:
http://www.awaresystems.be/imaging/tiff/astifftagviewer.html

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