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August 1994
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1994.08.25 16:21 "Re: Tiff problems", by Sam Leffler
To: tiff@sgi.sgi.com
Subject: Tiff problems
Date: Fri, 19 Aug 1994 10:25:54 EDT
From: SISTUL@LIMS02.LERC.NASA.GOV
I using TIFF v1.36 on a DOS machine. I got the code for John Levine's book
"Programming for Graphics files in C and C++.
I'm not sure how the code that you got from this book relates to the
software that I give away. There is no v1.36 of my software.
When I attempt to do a TIFFWriteScanline it displays the error message
must set Planar Configuration, and I have already set the planar configuration
to PLANAR_CONTIG using TIFFSetField. I do not understand why I am getting this
error. I commented out the error checker in the library routine and recompiled
and I am able to store a grey scale tiff file but some program are unable to
read it. I was wondering if there is a bug in the library or if I am doing
something wrong.
Hard to say since I don't know what code you've got (though it certainly
sounds a lot of my library).
Also the documentation I have is unclear on how I should set the strip
offsets tag. It says it is required but I understand how to set it.
(typo above) The manual says the tag must be set but I do not understand
what I am supposed to set it to.
In the software I give away you do not set the strip offsets tag directly.
It is automatically written for you as a consequence of writing out image
data.
Sam