[ome-devel] batch image export

[Yanling Liu]

Hi Will,

Thanks for your reply.

Is there a way to query OME for a list of attachment for name, date, and
size? Could I remove unneeded attachment as the root user from command
line? I see this may need to be run periodically to remove old attachment
files as a system maintenance procedure.

Would it be better to download image using the insight tool? Any size
limitation in the insight tool? I can not test it as the OME client is
currently not runnable on Mac system.

Thanks,
Yanling



On Wed, Sep 3, 2014 at 4:25 PM, William Moore <will at lifesci.dundee.ac.uk>
wrote:

> Hi Yanling,
>
>  Yes, the Batch Image Export zip is permanently attached to the dataset
> until someone deletes it.
> This functionality was developed as a script (same script can be run in
> both clients) but
> unfortunately we don't have a nice way for the export script to pass the
> zip back to the client
> once it's finished. So attaching it is the only option.
>
> The main limitation we have with downloading a whole Project or Dataset at
> a time is that
> this could easily exceed a practical size of data to download.
> Particularly in the web, where all the data for a single download needs to
> be collated into
> a single directory, zipped up and downloaded in one shot.
> The size of this zip, and the time it takes to generate the zip need to be
> compatible with http requests.
> E.g. the web server (apache etc) will usually time-out after 1 or 2
> minutes, and will struggle
> to download multi-gigabyte files.
>
> I guess we could add the option to download a Dataset at a time, and
> provide good indication
> to the user of the size of the download before-hand, so they could
> reconsider if it looks too big?
>
>   Regards,
>
>    Will.
>
>
>
> On 3 Sep 2014, at 21:17, Yanling Liu <vrnova at gmail.com> wrote:
>
> My mistake, what I mean "the mouse right click" is not right click, it
> should be selecting images and then click the down arrow at the right side
> to download images.
>
> It would be great to be able to select one project or data set and click
> the down arrow at the right side to download.
>
> Thanks,
> Yanling
>
>
>
> On Wed, Sep 3, 2014 at 4:08 PM, Yanling Liu <vrnova at gmail.com> wrote:
>
>> Dear OME developers,
>>
>> After running batch exporting script, the zipped images is linked as
>> attachment to the dataset being exported. My question is how long will this
>> attachment live in the system? If user forget to delete the zip file after
>> downloading, will it be kept in the system forever? If so then potentially
>> people can generate lots of zip packages and waiting storage space.
>>
>> The mouse right click and download feature is a much better solution.
>> However, for now only images can take advantages of this solution, will it
>> be extended to dataset and project so user can mouse right click on one
>> dataset to download as original files?
>>
>> Thanks,
>> Yanling
>>
>
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>
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