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Reply-To: "Michael O'Rourke" <morourke@adobe.com>
From: "Michael O'Rourke" <morourke@adobe.com>
To: "Andrey Kiselev" <a_kissel@eudoramail.com>, <pnielsen@tuug.fi>
Cc: <tiff@olympiakos.com>
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Subject: Re: Orientation and Tiled images?
Date: Fri, 10 May 2002 08:29:26 -0500
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Yep, this is the file. And it is definitely wrong if Peter is right about
the orientation tag being supplimentary and the file should display
correctly regardless.

Andrey, any idea what application is creating these images? I'm hoping it is
some custom app and so there will not be lots of files like this in the
world.

Michael

----- Original Message -----
From: "Andrey Kiselev" <a_kissel@eudoramail.com>
To: <tiff@olympiakos.com>
Sent: Friday, May 10, 2002 5:10 AM
Subject: Re: Orientation and Tiled images?


> > The file in question here is, I believe, a file I got from someone on
this
> > list about 9-12 months ago to test out ycc support. The file is a
> > satellite picture of the san francisco bay area and is ycc and tiled and
> > about 893 KB.
> >
> > Does that file sound familiar to anybody on this list? I'd like to find
> > out the app creator since it is not generating the file correctly.
>
> Do you speak about this images:
> http://www.ai.sri.com/cgi-bin/digitalearth/list.pl?dir=sfbay.oi
>
> It is important to finally determine order of reading lines in bottom-left
> orientation. I think that the first line of the first tile of the
> bottom-left oriented image should be last line in the rendered image.
> TIFFGetRGBAImage() function in the latest libtiff works in such way (and
> above images rendered correctly). Is it right?
>
> --
> Andrey V. Kiselev
> Scientific Research Center for Ecological Safety Russian Academy of
Sciences
> Office phone:  +7 812 2307834  ICQ UIN 26871517
> Registered Linux user number 169907
>
>
> To subscribe or unsubscribe email tiff-request@olympiakos.com with
subscribe
> or unsubscribe in the email body.  Libtiff home page:
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>


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