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Date: Tue, 5 Mar 2002 19:02:38 -0800
To: tiff@olympiakos.com
From: Chris Cox <ccox@adobe.com>
Subject: Re: 16 bit LAB in TIFF - documentation update
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At 1:03 AM +0000 3/6/02, Martin Bailey wrote:
>Hmmm, I was looking at the "and encoded in 16 bits as signed 
>integers range [-32768,32767]" and "and encoded in 16 bits as 
>unsigned integers range [0,65535]" comments.
>
>If you meant those ranges to refer to the base encoding (signed or 
>unsigned 16 bit integers) then they are correct, but very 
>misleading. Several people I was with read that as being intended to 
>describe the range of permissible a* or b* values, which it does not 
>do.

The first sentence describes the range only.  The next sentences are 
necessary to describe the encoding within that range.

It's basically the same way I've seen most other file formats documented.



>So probably just a difference between the writer's intent and the 
>readers assumptions, but one well worth clearing up.

How can I clear it up without providing TOO much documentation?

Chris

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