The technical specification for the SGI Inventor format is provided as several documents:
CPYRIGHT.TXT is an ASCII copyright notice.
QREF1_0.TXT is an ASCII quick ref for v1.0.
QREF2_0.PS is a quick ref for v2.0 in PostScript format.
TRANS1_0.TXT and TRANS2_0.TXT are ASCII documents describing how to write an IRIS Inventor file translator for v1.0 and v2.0, respectively.
Copyright © 1996 O'Reilly & Associates, Inc. All Rights Reserved.