It's been a while since I've worked on SGI equipment. I'm familiar with the O2 but I don't know what the video capabilites are.
The hardware accelerated OpenGL compares roughly to a TNT2. Performance can increase when using a faster CPU.
The last boxes I worked on were an Oxygen MXE and an Onyx 2 with 2 IR pipes and 4 channels. If you are familiar
with these, how does your box stack up? I'm curious because I have a friend that does research on a Cessna 172 simulator
that has an Onyx/IR with 3 channels. His simulator models are crap and his visual database is worse. I'm trying to talk
him into trying FlightGear but I have zero idea of what performance would be like.
Take a look here: http://www.a1.nl/~ehofman/fgfs/comparison.html
This table is based on performance reports from FlightGear users who have sgi equipment. But be aware that this is about the default startup position (stationary at KSFO) which seems a bit heavy on the scenery for alder hardware.
There is a configuration file that can be used to fine tune FlightGear a bit on older video hardware which might give a performance improvement up to 500%.
BTW, how do I determine what my visibility is? And, how do I reduce the fog at far clipping plane?
You could use 'z' and 'Z' to change the fog settings.
Erik
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