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Date: Wed, 26 May 2010 15:01:10 -0400
From: Edward Lam <edward@sidefx.com>
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To: alex dragulescu <dragulesq@gmail.com>
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Cc: tiff@lists.maptools.org
Subject: Re: [Tiff] BigTIFF issue: missing fields
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alex dragulescu wrote:
> I am running into a strange problem with the latest libtiff 4.0.0beta5.
> I'm using Aqsis (an open source Renderman-compliant renderer) to 
> generate shadowmaps larger than 4Gb. I'm adding option "8" to the 
> creation mode and the image are fine but two important tags  are 
> missing: TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 
> TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA.
> 
> The fields are missing with libtiff 4.0.0beta5:
> http://aqsis.pastebin.com/wZ8jvqpS

Libtiff 4.0 beta 5 is dated 2009-11-04 to me. From the most ChangeLog we 
have this entry:

2010-04-20  Olivier Paquet  <olivier.paquet@gmail.com>
	* libtiff/tif_dirinfo.c: Use correct set_field_type for
	TIFFTAG_PIXAR_IMAGEFULLWIDTH, TIFFTAG_PIXAR_IMAGEFULLLENGTH,
	TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN and TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA.
	They were unreadable with TIFF_SETGET_UNDEFINED, a regression from 3.9.2.
	http://bugzilla.maptools.org/show_bug.cgi?id=2139

So I'd try again with CVS trunk.

Regards,
-Edward
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