mdrp++at++swabiman.ernet.in
Fri, 12 Jan 96 15:10:10+0530
We are trying to put up a VR lab for our aircraft. Our aim is to eliminate
physical prototypes and create virtyal prototype of our aircraft in
computer. Already we initiated work in CATIA by making CAD models of
all the parts of aircraft. Our idea is to down load this CAD data into
ONYX and use tools or write s/w to add simulation to CAD. We want our
manufacturers and fabricators to evaluate the design right at the time of design
itself. I think the following are the activities we need to do to
accomplish this.
1. Write translators to down load CATIA data into Performer.
2. Write a s/w or buy a tool if available to define kinematics and
dynamics to this CAD data.
3. Provide immersion to the users through HMD/GOGGLES or CAVE e.t.c
4. USE body trackers to provide interaction.
Is there anybody who can suggest me how to go about the whole thing. Some
of the clarifications required are:
1.What is the kind of h/w and s/w configuration i should choose?
2. Is Performer o.k to build this kind of application?
I am asking this because CAD data has surfaces and solids in exact form.
Bur Performer accepts only polygonised data. This might lead to approximations
which may not be acceptable to engineers. In such a case is there any other
API from SGI which supports directly MCAD data like surfaces e.t.c
3. Some vendor was mentioning that Performer if only for Games developmeent
and not useful for MCAD applications. Performer manual also says that the
collision detection routines availble in Performer does'nt cater to MCAD needs.
Is this true. Any plans to improve this capability to extend to MCAD.
4. If we polygonise the CATIA data , the resulting polygons may be of the
order of 50 billion. We need realtime performance . Which configuration of
ONYX should i go for?
5. Which are the tools available in the market to do this?
6. Which trackers and interaction devices work well with Performer/Onyx.
7. Can I have the addresses of the people with whom I can interact for
guidence in this field of virtual prototyping ?
Thanks in advance.
Prasad
This archive was generated by hypermail 2.0b2 on Mon Aug 10 1998 - 17:52:15 PDT