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Date: Wed, 17 Jan 2007 11:27:16 -0500
From: Frank Warmerdam <warmerdam@pobox.com>
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To: Joris <joris.at.lebbeke@skynet.be>
Subject: Re: [Tiff] Elevation Data
References: <200701170225.l0H2PhRY014173@tux.cubewerx.com> <Pine.SOC.4.60.0701162049080.13644@blade.simplesystems.org> <000701c73a0e$958b8390$70c9f451@dfgrrxsknr4e>
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Status:   

Joris wrote:
> Bob,
> 
> Bob Friesenhahn wrote:
>> Libtiff uses the names PHOTOMETRIC_MINISWHITE and
>> PHOTOMETRIC_MINISBLACK.  This implies something different than
>> BlackIsZero.  Does that help?
> 
> It's confusing. I usually use the names MinIsBlack and MinIsWhite...
> What's in a name?

Joris,

Craig Bruce referred to these as ZeroIsBlack which is quite distinct
from MinIsBlack if you are thinking about signed integer values as he
was.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam@pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org
