[comp.graphics] PDES reference?

flynn@pixel.cps.msu.edu (Patrick J. Flynn) (02/02/89)

Can someone point me to a good reference on the PDES specification that's
currently under development?  There was some traffic about PDES in
comp.graphics a few months back, but I didn't save the articles :-( .
The only published information I've seen was in a Unix/World column
last year, and I'd prefer something a little more detailed.

Please E-MAIL your responses and I'll summarize to the net.

Thx!
--
Patrick Flynn, PRIP Lab, Dept. of Computer Science, Michigan State University
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"... And on this farm he had an igloo, EIEIO ..."

jlz@csun7.cs.uh.edu (JingLun Zhang) (02/04/89)

At my hand, there are documents about PDES project: 3 models (EXPRESS, IDEF1X
and NIAM) reference manuals, geometric data format in EXPRESS and IDEF1X, 
electronic data format in IDEF1X, etc. You may get them from NBS.