On Jul 13, 10:03am, Mike Heck wrote:
> > I am currenly using sgi Inventor to display some graphics. If I set the
display
> > for the application to any other hardware except an SGI machine or an HP
Linux
> > workstation with fx10 graphics the inventor-Widget is just black. Is this
a
> > known bug/feature ? Would it work better when using the Open Source
Version of
> > Inventor ? Or am I stuck totally ?
>
> This usually happens because of overlay planes. The trick to get the
> "transparent" color index for the overlay planes varies from system
> to system. If Inventor doesn't get the right index then the overlay
> planes may be cleared to opaque black. The simplest solution is to
> tell Inventor not to even try to use overlay planes. In the TGS
> version you can simply set the environment variable OIV_NO_OVERLAYS,
> but I don't think that's in the SGI Open Inventor.
Hi Mike,
thanx for the answer. I must have forgotten this :) Does anybody know if the
fire gl 3 und 4 graphic cards supply overlay planes ?
Regards
Matthias
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