150 Hz updates

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John Collier (jcollier++at++alexandra.mtl.com)
Tue, 28 Nov 1995 07:23:07 -0500


I am interested in finding more information about very fast update rates and
how to get the information out of the SGI (obviously not through the graphics
channel).

I have been offered suggestions by some of SGI's Real-Time people that the
simulation can do its work normally, but just not feed the graphics engine.
 The data would be extracted from memory by a VME card, some computations done
to it, and output via a D/A into a sensor.

My goal: To provide outputs for an imaging and a non-imaging missile seeker

My questions:

What simulation? Could a Performer-based sim prepare its scene, but not draw
it (to get higher frame rates)?

What memory? Is this the frame buffer you are grabbing it out of?

I know several groups have done this kind of simulation and would be very
grateful for any pointers.

Thanks,
John

-- 
John A. Collier					e-mail:	jcollier++at++mtl.com
MTL Systems, Inc.				voice:	(513) 426-3111
3481 Dayton-Xenia Rd.				fax:	(513) 426-8301
Dayton, OH 45432-2796

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