Re: Re[2]: translating OpenFlight to OpenGL

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Angus MacDonald Dorbie (dorbie++at++multipass.asd.sgi.com)
Tue, 20 May 1997 09:54:43 -0700


On May 20, 9:36am, WILLIAM_MARINELLI++at++ntsc.navy.mil wrote:
> Subject: Re[2]: translating OpenFlight to OpenGL
>
>
> >This is info-performer why bother converting to OpenGL?
>
> >Cheers,Angus.
>

>
> I won't speak for the guy, but I've run into some who are
> interested in taking a performer application and, for all
> intents and purposes, running it on a PC.

Sounds like he wants info-pc then ;-)

> ...... (They may not be all
> that aware of all the performer issues that are related to SGI
> hardware, they probably saw a demo of Performer Town on a PC
> .............

We've seen a few of our propriatary databases lurking on PCs,
I suppopse that's what you do you want to do Vis Sim on the cheap.
('borrow' your database I mean)

> .... A huge obstacle being the
> fact that there is no OpenGL equivalent to pfdLoadFile() that I
> know of - hence he asked about relating openflight to OpenGL
> (?).

If they were comitted to the market they might consider writing one,
it's beyond OpenGLs scope and really requires more of a runtime harness
like Performer to make sense.

I posted the skeleton of a flight parser _way_ back, it might
be a reasonable starting point for a flight loader. Ofcourse the
clever part lies in how you optimise the file contents.

>
> Perhaps OpenGL++ is what Dan wants, something I am also very
> interested in.

Cheers,Angus
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