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3D scans and digital data

3D scans and digital data

MV is in the stages of planning for the storage and access of large amounts of 3D digital data derived from our collections. This will include high resolution tomography and surface light scan data. Is anyone currently using EMu for storing this type of data, or linking another repository to the MMR for reference to the data?
Any information on formats, storage of 3D scans, or general advice would be highly appreciated.
Many thanks,
Ellen Burrows / MV

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Re: 3D scans and digital data

Hi Ellen,
We're storing CT Scans in EMu/Multimedia currently, with a preview video visible on the main Multimedia tab, and raw scan files zipped and attached on the Supplementary tab of the same record. 

A lot of our raw scan files are BMP or DICOM image sequences--too many &/or too big for us to put into EMu raw, so a zipped archive was the simplest way we could keep a scan's file structure together.  Since that zip file won't give users a clear view of what was scanned, we also converted the raw image sequence into an mp4 video.  (Software like Adobe Media Encoder or MPEG Streamclip should be able to treat a folder of images as a video file & convert to different formats)

Not sure if EMu [or ImageMagick?] will have a way to accommodate 3d-media viewing down the road...For now, one downside with our approach is that the metadata from raw scan files is still a bit hidden/hard to search for when zipped & on the Supplementary tab.   If you need to protect access to any full raw datasets, though, this is one way to do it...Good luck--Keen to hear what you end up doing!
-kate

Kate Webbink
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Re: 3D scans and digital data

Thanks Kate.
I'll let you know how we go.
Best wishes,
Ellen

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