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cannot open jp2 files

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cannot open jp2 files

Postby oldflame » Tue Aug 14, 2012 12:18 am

Hi

I am very new to omero. I have managed to upgrade the omero to 4.4.1 with the instruction from the site. The installation went smoothly and now I am testing the functionality.

I have imported jp2 files to omero and after the import, the message said "failed to create thumpnail" and I cant seem to view those images from omero(via web and via insight webstart) also.
Is there any log or anything that I could check the problem? Is there anything that I missed out during installation to see those jp2 files? I tried with normal jpg files and they seems fine.

If my way of describing the problem is not clear enough, please let me know.
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Re: cannot open jp2 files

Postby cxallan » Tue Aug 14, 2012 8:33 am

How large (in X and Y) is the JP2 file?
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Re: cannot open jp2 files

Postby oldflame » Thu Aug 16, 2012 4:05 am

hi

one of the files is 26673x21201 in dimensions and 67.9MB in size.

thanks and regards,
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Re: cannot open jp2 files

Postby cxallan » Thu Aug 16, 2012 8:15 am

Okay, based on how the JPEG-2000 file is tiled it may not be possible for OMERO or Bio-Formats to decode it without at least 26673 * 21201 (539MB) of heap space allocated to PixelData-0. OMERO works with completely uncompressed data. Would you be willing to give us the file for testing?
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Re: cannot open jp2 files

Postby oldflame » Tue Aug 21, 2012 5:45 am

Hi cxallan

Thank you for the reply. We could send you the files. Please let me have your email address to send you the link to download.

thanks again.

regards,
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Re: cannot open jp2 files

Postby mlinkert » Tue Aug 21, 2012 12:56 pm

File uploading instructions sent in a private message.
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Re: cannot open jp2 files

Postby oldflame » Mon Aug 27, 2012 12:39 am

Hi
May I know if there is any update?
thanks.
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Re: cannot open jp2 files

Postby mlinkert » Tue Aug 28, 2012 12:40 am

Thank you for sending files, and my apologies for not responding right away.

I was able to duplicate the problem with the .jp2 files, and so have filed a ticket on our issue tracking system:

http://trac.openmicroscopy.org.uk/ome/ticket/9544

You also sent an .ndpi file, which is known to be poorly supported as documented in this ticket:

http://trac.openmicroscopy.org.uk/ome/ticket/5092
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Re: cannot open jp2 files

Postby oldflame » Mon Sep 03, 2012 2:54 am

thanks.
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