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Date: Thu, 5 Aug 2010 17:31:07 -0500 (CDT)
From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
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To: oguz ahsen <oahsen@gmail.com>
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Subject: Re: [Tiff] "unknown field with tag 65000"
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On Thu, 5 Aug 2010, oguz ahsen wrote:

> Hi everyone,
> 
> I am trying to open a tiff file with multiple images in it in C++, however I get a lot of warning
> images like "unknown field with tag 65000" or  "unknown field with tag 65001" upto 65030. I
> searched the know tags but there is not anything with 650xx.
> 
> What does that mean? Currently I can open the tiff file with IrfanView without any problem.

These are just warnings.  Feel free to ignore them.  However, some 
proprietary TIFF formats might require something in those tags in 
order to display correctly, and then the image might not look as 
expected.

If you are designing a GUI, you might want to create a error/warning 
log in the interface so that the user can look at any warnings without 
being annoyed.

Bob
-- 
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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