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Original Message -----
Sent:
Friday, January 06, 2006 4:25 PM
Subject:
Re: MCN-L Digitization procedures
Oh, by the way. Our plan here for our collection photography
is to store the raw file, create a master tif file (that has been
corrected for dust, color, etc.) and from that make various jpg
derivitives (as needed). However, do to storage space limitations, we
are considering using a new system that uses an application to generate
derivatives on "the fly" to be delivered to our users. Saving the cost
of storing each derivative file.
We also keep each file seperated in a folder for that file
type, raw, tif, jpg_screen, jpg_thumb.
There's probably no perfect way
to store images on a filesystem, so maybe it should just come down to
personal preference. Unless you need specific security settings--for
example, so some people can see/edit some files but not others. In that
case, you might want to build the arrangement to mirror the security
arrangement, which will make setup easier, and corrections a lot
easier. There might also be other factors like that, that I'm not
thinking of. Anyone else?
The "right" way to store images is in some kind of databasing system
that keeps image metadata alongside the image files so that you can
always find them again by working your way down a hierarchical tree
(bad but demonstrative example: Paintings--19th
Century--Impressionism--American--Cassatt, Mary--The Cup of Tea) or by
searching according to subject, artist, media, title, etc. It's hard to
impossible to duplicate that with directories on disk and maintain it
reliably. These syst ems go all the way from $0 to high six figures in
cash, and take significant effort and time to implement and maintain.
good luck,
Matt
Perian Sully wrote:
Hi all:
I'm currently developing our
digitization procedures and I was wondering what other institutions do
to organize their content. I'm planning on photographing identification
& database images in a fairly high resolution jpg and photograph in
RAW for publication-quality. Once the images are downloaded, I'll be
processing them in small, medium and large dpi (72/150/?) and saving
the original. What I'm really sort of curious about is how many
different file sizes people save in and if they keep file directories
for each size or lump them all together.
Hope you're all having some
relaxing holidays!
Perian Sully
Collection Database and Records Administrator
Judah L. Magnes Museum
2911 Russell Street
Berkeley, CA 94705
(510) 549-6950 ext. 335
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