Re: diglib: air photos on disk.

[Jon R Jablonski <jonjab@uoregon.edu>]

Well, I received a box today.  This woman, Colette, is really 
organized.

Replies to Faye's questions are interspersed:

> Can you give us a general description so we can add the collection officially 
> to the collection?  CDA does this regularly with manuscript collections that 
> Special Collections adds.  The brief bibs we create are suppressed but help 
> us keep a record of acquisitions.  In this case, we ought to create a 
> resource record.
We can call them "Zumwalt Prairie historic aerial photographs and 
contemporary land ownership".  The author (of the collection, not of the 
photos) is OSU Eastern Oregon Agricultural Research Center/Union Station.

> Since these were our photos to begin, can I assume they were in public domain 
> so scanning and burning them to a disk was okay?
> We ought to document this in the resource record and/or its attached license 
> record.
With only a few exceptions (none of which apply here), everything in the 
airphoto collectio is in the public domain.  Some of the photos that 
Colette has given us she obtained from the National Archives.  To the best 
of my knowledge, these are also in the public domain.

> The DCC does have the draft of a workflow for handling digital images.  These 
> questions I asked should help take care of some of the initial steps that 
> involve CDA.
One thing to keep in mind with these is that they are no longer simply 
digital images:  they are data which consists of worldfiles (which place 
the images on the globe) in addition to the image files.  If the image 
files become seperated from the worldfiles, or are manipulated outside of 
a GIS, they will become useless.

> If these are photos that we would charge non-users to photocopy, then it 
> strikes me that we could add them to the collection in a manner similar to 
> the way we have added digital images we have licensed and purchased but that 
> are somewhat restricted to our faculty, students, and staff.
These are photos that we would charge non-users to FIND.  They could copy 
them on their own.  If they wanted digital versions, we charge for that 
too.

> We also receive DVDs/CDs for many of the images we purchase and these go 
> into Systems' "cold room" right now.  That space won't work forever so 
> we will probably need to alter this practice before too long.
I'm fine with moving in this direction, except I need to come up with some 
sort of an access method for them.  In the short term, I would like to 
have the DVDs duplicated:  can someone volunteer to do that?

In the short term I would like to keep these (or the copies) under my 
local control because Colette is having a 'Field Day' for local landowners 
on August 17.  She suspects that many of them will be requesting images of 
their own land shortly thereafter.  We will have no way to fulfill these 
requests without the DVDs.

I will try to take a look at the disks as soon as I can get on a GIS 
workstation with a DVD player.

One other complicating factor:  Colette has given us some landowner 
information for our convenience in filling the upcoming requests.  She has 
asked that we not re-distribute this data under any circumstances.  As 
such, should I keep this portion of the gift under my direct control?

-jon

Jon Jablonski
jonjab@uoregon.edu
___________________________________Dave & Nancy Petrone MAP/GIS Librarian
Knight Library Document Center
University of Oregon.
541-346-3051