Newsgroups: sci.image.processing
From: Steve@dstrip.demon.co.uk (Steve Rencontre)
Path: cantaloupe.srv.cs.cmu.edu!das-news2.harvard.edu!news2.near.net!news.mathworks.com!europa.eng.gtefsd.com!howland.reston.ans.net!pipex!demon!dstrip.demon.co.uk!Steve
Subject: Re: black / white tiff file
References: <3a8v0a$9no@scorpio.develop.bsis.com>
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Date: Mon, 21 Nov 1994 12:06:32 +0000
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In article: <3a8v0a$9no@scorpio.develop.bsis.com>  riaz@develop.bsis.com (Riaz A. Syed) writes:

> 	Is there a way to find out if a tiff image is completly black or completly 
> white. 

At the risk of stating the obvious, how about inspecting every pixel 
and seeing if they're all the same?

'Fraid there isn't a COMPLETELY_BLANK_IMAGE_TAG in any version of the 
TIFF spec that I've seen :-)

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Steve Rencontre               |  steve@dstrip.demon.co.uk (business) 
If it works, it's obsolete.   |  steveren@cix.compulink.co.uk (private)
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