Extracting a tiff directory

[Cornwell, Carl (NIH/NLM/LHC) [C]]

Hi Mathieu,
It doesn't seem as though file size should be an issue. Exactly what tiffcp command are you using? Do you get the same result with tiffsplit? (Of course that pulls more ifd's than you need, but you can always delete the extraneous ones.) 
- Carl
________________________________________
From: Mathieu Malaterre [mathieu.malaterre at gmail.com]
Sent: Wednesday, February 08, 2012 4:14 PM
To: openslide-users at lists.andrew.cmu.edu
Subject: Extracting a tiff directory

Hi all,

  I am playing with openslide command line tools and I wondering if
there is an easy way for me to extract the first tiff directory in a
SVS file ? Say for example CMU-1.svs reads as:

TIFF Directory at offset 0x95d7a10 (157121040)
  Subfile Type: (0 = 0x0)
  Image Width: 46000 Image Length: 32914 Image Depth: 1
  Tile Width: 256 Tile Length: 256
  Bits/Sample: 8
  Compression Scheme: JPEG
  Photometric Interpretation: RGB color
  YCbCr Subsampling: 2, 2
  Samples/Pixel: 3
  Planar Configuration: single image plane
  ImageDescription: Aperio Image Library v10.0.51
46920x33014 [0,100 46000x32914] (256x256) JPEG/RGB Q=30|AppMag =
20|StripeWidth = 2040|ScanScope ID = CPAPERIOCS|Filename = CMU-1|Date
= 12/29/09|Time = 09:59:15|User =
b414003d-95c6-48b0-9369-8010ed517ba7|Parmset = USM Filter|MPP =
0.4990|Left = 25.691574|Top = 23.449873|LineCameraSkew =
-0.000424|LineAreaXOffset = 0.019265|LineAreaYOffset = -0.000313|Focus
Offset = 0.000000|ImageID = 1004486|OriginalWidth =
46920|Originalheight = 33014|Filtered = 5|ICC Profile = ScanScope v1
  ICC Profile: <present>, 141992 bytes
  JPEG Tables: (289 bytes)


tiffcp just gave up on it.

Thanks !
--
Mathieu
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