Re: viAPI

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Angus Dorbie (dorbie++at++sgi.com)
Mon, 27 Jul 1998 16:30:31 -0700

Alejandro Saez wrote:
>
> On Jul 27, 10:44am, Jeff Minor wrote:
> > Subject: Re: viAPI
> > I talked to Robert Grzeszczuk of SGI at SIGGRAPH. He said that OpenGL
> > Volumizer should theoretically work with Performer but it has not yet
> > been tried as far as he knows. I guess we'll be the guinea pigs. Please
> > let me know if you have any luck and I'll do likewise.
> >
> > Jeff
> >
> > Angus Dorbie wrote:
> > >
> > > Ballard Andrews; (4/28/98) wrote:
> > > >> > > Is there a Performer wrapper for the
> > > > new volume API?
> > > >
> > >
>
> from SGI's press release on vAPI:
> "OpenGL Volumizer is a high-level immediate mode tool kit which
> applications can directly access, or can leverage through their own internal
> scene graph or scene graph APIs such as Silicon Graphics® OpenInventorTM,
> OpenGL OptimizerTM, IRIS PerformerTM, and the future "Fahrenheit" project
> scene graph"
>
> So what's the deal, sales talking a bit too much again?????
>

No, if you look at the original quastion it asked if there was
a wrapper. There isn't, and the question was answered with a 'no'.
That won't preclude you from calling the API just like you are
free to call OpenGL today, but a wrapper there is not, and won't
be.

Volumizer is a very different and well designed way of
abstracting your volume dataset which closely matches
the OpenGL paradigm of rendering polygons with their
associated state information. With volumizer you render
volumes with associated state including 3D data images. The
lower level business of rendering slices or whatever other
hardware mechanism the machine supports is hidden. Once you
understand this you will realize that there is no conflict
in the claims being made.

Cheers,Angus.

-- 
"Only the mediocre are always at their best." -- Jean Giraudoux 


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