Re: pfa file format

Allan Schaffer (allan++at++sgi.com)
Wed, 27 Oct 1999 10:41:15 -0700 (PDT)

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Only in source code:

   /usr/share/Performer/src/lib/libpfdb/libpfpfb/pfpfb.c

PFA is essentially an ascii dump of PFB format. The general
structure of both is a header block, and then a series of lists based
on pfObject type -- each list contains all the objects of that type
in the scene graph. Connection info is stored as list indexes.

PFA & PFB are subject to periodic structure changes [whenever the
underlying objects change] so it's not the best interchange format in
the world -- PFB files from one major release of Performer might not
even work with the next major release. But once you get a feel for
the code, it's pretty easy to modify for any changes.

Allan

-- 
Allan Schaffer                                            allan++at++sgi.com
Silicon Graphics                           http://reality.sgi.com/allan

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