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August 2017

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2017.08.30 16:07 "problems saving BigTIFF format", by Paul Hemmer
2017.08.30 16:17 "Re: problems saving BigTIFF format", by Kemp Watson
2017.08.30 16:27 "Re: problems saving BigTIFF format", by Paul Hemmer
2017.08.30 16:47 "Re: problems saving BigTIFF format", by Kemp Watson
2017.08.30 17:11 "Re: problems saving BigTIFF format", by Bob Friesenhahn
2017.08.30 17:14 "Re: problems saving BigTIFF format", by Paul Hemmer
2017.08.30 17:36 "Re: problems saving BigTIFF format", by Bob Friesenhahn
2017.08.30 16:37 "Re: problems saving BigTIFF format", by Bob Friesenhahn
2017.08.30 17:55 "Re: problems saving BigTIFF format", by Paul Hemmer
2017.08.30 18:32 "Re: problems saving BigTIFF format", by Bob Friesenhahn
2017.08.31 10:16 "Re: problems saving BigTIFF format", by <jcupitt@gmail.com>
2017.09.01 21:40 "Re: problems saving BigTIFF format", by Paul Hemmer
2017.08.30 17:38 "problems saving BigTIFF format", by Roger Leigh
2017.09.01 14:06 "Re: problems saving BigTIFF format", by Paul Hemmer

2017.08.30 16:17 "Re: problems saving BigTIFF format", by Kemp Watson

Is the file you are opening TIFF or BigTIFF? I.e how did you write it?

W. Kemp Watson
kemp@objectivepathology.com


Objective Pathology Services Limited

8250 Lawson Road
Milton, Ontario
Canada  L9T 5C6

www.objectivepathology.com
tel. +1 (416) 970-7284

From:  <tiff-bounces@lists.maptools.org> on behalf of Paul Hemmer
<paulhemmer@hotmail.com>
Date:  Wednesday, August 30, 2017 at 12:07 PM
To:  "tiff@lists.maptools.org" <tiff@lists.maptools.org>
Subject:  [Tiff] problems saving BigTIFF format

Hi,



Is anything other than specifying "w8" in TIFFOpen() required to
successfully create a BigTIFF file?



When my dataset is < 4GB and I open with "w" and write the data, I can view
the image just fine.

When it is > 4GB and I use "w8" to open, all else the same, then the
resulting file cannot be opened by any of the image viewers I can find that
are said to support BigTIFF (IMARIS, Nikon Elements, FIJI/BioFormats, and
VeryLargeImageViewer)



Is there some other header fields I must add?



Thanks,



-Paul


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