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Bug 325296 - TIFF and Pyramidal Tiled TIFF
TIFF and Pyramidal Tiled TIFF
Status: RESOLVED OBSOLETE
Product: GIMP
Classification: Other
Component: Plugins
unspecified
Other All
: Low enhancement
: ---
Assigned To: GIMP Bugs
GIMP Bugs
Depends on: 335975
Blocks:
 
 
Reported: 2005-12-30 13:28 UTC by denix
Modified: 2018-05-24 11:41 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description denix 2005-12-30 13:28:34 UTC 
Hi all, in TIFF specification there is an interesting feature already
implemented in imagemagik and vips that is the possibility to save Tiled
Pyramidal Tiff.
I've tryed to do a patch, but I'm not able to do something working... if
somebody can be interested... the tiff plugin already is able to read this format.
Cheers,
Denix
Comment 1 Clarence Risher 2006-04-18 08:36:06 UTC 
I simply want to clarify this request.  A pyramidal TIFF stores decreased resolution copies of the image(s) at half, quarter, etc resolution (this would look like a pyramid if you stacked the images up).  It is something of a replacement for interlacing if used during realtime loading and viewing, and also useful for viewing at different resolutions.  There are two ways to implement such, depending on the number of main images in the TIFF file.  Unfortunately the newest TIFF specs seem to be hard to find, if someone could post a link to them then we would have a much better chance of implementing this.
Comment 2 Michael Schumacher 2006-04-18 09:02:33 UTC 
We're using libtiff, so http://www.remotesensing.org/libtiff/ would be a starting point.
Comment 3 Michael Schumacher 2006-07-08 22:05:19 UTC 
IMO this depends on saving layered TIFF, as handled in bug #335975. Adding dependency.
Comment 4 GNOME Infrastructure Team 2018-05-24 11:41:18 UTC 
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