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From: Toby Thain <toby@smartgames.ca>
Subject: Re: [Tiff] BigTIFF extension
Date: Thu, 5 Jul 2007 12:54:46 -0300
To: "Joris" <joris.at.lebbeke@skynet.be>
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Status:   


On 4-Jul-07, at 11:41 PM, Joris wrote:

> Stephen,
>
> Stephen Carlsen wrote:
>> "Because, for the first time in the 21 year history of TIFF, the
>> structure itself has changed, and, accordingly, the 'version number'
>> has changed from 42 to 43. (The 'version number' has, of course, been
>> 42 since the very beginning of TIFF.) This breaks all existing TIFF
>> readers."
>
> The exact same thing applies to the coming of tiles in TIFF. It  
> wasn't the structure itself that had changed at that time, but it  
> was some of the extremely vital tags, which resulted in the same.  
> It broke all existing TIFF readers.

...only when reading tiled files. Same applies to unknown compressor,  
unknown photometric, etc...

As we keep saying to no effect - BigTIFF is somewhat different  
because it is a total incompatibility.

--T

> ...
>
> 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
> _______________________________________________
> Tiff mailing list: Tiff@lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/tiff
> http://www.remotesensing.org/libtiff/

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