VRML

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Michael Jones (mtj++at++babar)
Sat, 19 Aug 1995 10:47:01 -0700


I just read Srikanth's comments:

:While it is true that many OpenInventor/VRML files can be non-optimal and
:non-realtime, optimized geometry (with LOD) can be represented in VRML - the
:latter kind is only kind real-time people deal with anyway. In other words,
:Performer scenes can be represented as VRML ****without any loss in
:performance.***

I agree tha VRML is popular. In fact, it's en vogue and all "hip people"
say that they use it. I find it shocking to think that people would
accept the above statement, however, about VRML being an interchange
format that would not lose performance. This is clearly untrue when
you look at how indexed geometry is/is-not handled, the absence of
a cannonical field of view and screen pixel size for LOD nodes, etc.

I have nothing aginst VRML, the web, and similar things. Likewise, I
accept that many models will become available in this format making it
a very important one. It continues to be true though that it is not
what we could recommend to serious customers seeking an on-disk format
for their Performer applications.

Perhaps this will change in the future as Rikk Carey, Gavin Bell, and
others on the VRML and Inventor projects extend the existing work.

Michael Jones

Be seeing you, Phone:415.390.1455 Fax:415.965.2658 M/S:8U-590
Michael T. Jones Silicon Graphics, Advanced Systems Division
mtj++at++sgi.com 2011 N. Shoreline Blvd., Mtn. View, CA 94039-7311
                    "Du musst Amboss oder Hammer sein" -- Goethe


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