[ome-users] Much slower opening of SPCImage Data file with BF5.0

[Melissa Linkert]

Hi Romain,

> I regularly use Bio-format with Fiji for SPCImage Data file (.sdt
> extension).
> At the release of the version 5 of Bio-format, I realised that the
> time taken to open these files was significantly increased (almost
> 10x longer).
> 
> I use a PC with windows 8.1 (but tested on Windows 7 also with
> similar results)
> Latest Java (7.51)
> ImageJ 1.48s
> 
> File description:
> 256 x 256 x 256 (XYT) .sdt file.
> 
> Using Bio-format 5.0.0: it takes about 14 seconds
> Using Bio-format 4.4.9 (life line version with ImageJ only update):
> it takes about 2 seconds

Thank you for the feedback.  We are testing a solution for this now:

https://github.com/openmicroscopy/bioformats/pull/984

We expect that fix to be included in the upcoming 5.0.1 release of
Bio-Formats.

Regards,
-Melissa


On Wed, Mar 12, 2014 at 11:54:13PM +0000, R.F. Laine wrote:
> Dear,
> I regularly use Bio-format with Fiji for SPCImage Data file (.sdt
> extension).
> At the release of the version 5 of Bio-format, I realised that the
> time taken to open these files was significantly increased (almost
> 10x longer).
> 
> I use a PC with windows 8.1 (but tested on Windows 7 also with
> similar results)
> Latest Java (7.51)
> ImageJ 1.48s
> 
> File description:
> 256 x 256 x 256 (XYT) .sdt file.
> 
> Using Bio-format 5.0.0: it takes about 14 seconds
> Using Bio-format 4.4.9 (life line version with ImageJ only update):
> it takes about 2 seconds
> 
> I use batch processing on a regular basis and this time increase is
> significantly detrimental to my analysis procedure.
> Thanks a lot for all the help the community brings !!
> 
> Best regards,
> 
> Romain
> 
> 
> 
> -- 
> Romain Laine, PhD in Biophotonics
> Laser Analytics Group
> Department of Chemical Engineering and Biotechnology
> University of Cambridge
> New Museums Site
> Pembroke Street, Cambridge, CB2 3RA, UK
> T: (+44)1223330133
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