Re: Part of the screen does not get redrawn ....
Mario Veraart (rioj7++at++fel.tno.nl)
Thu, 18 Sep 1997 20:36:56 +0200 (MET DST)
>
> dcibiceli++at++etcusa.com wrote:
> >
> > Dear Performers,
> > I am displaying a HUD (Heads Up Display). I have tied key
> > combinations to test the pitch and roll movements. When I pitch up,
> > some of the ladder ( roll angles drawn on the HUD ) gets printed on top of
> > each other. It is as if a specific part of the screen ( horizontal band) does
> > not get redrawn for specific pitch angles. Every thing drawn in that
> > horizontal band of the screen does not get refreshed when a new frame is
> > drawn. Thus numbers are printed on top of each other in that horizontal band.
> > Any idea why that may happen... I am using the perfly source code with
> > performer 2.1 .
>
> Maybe it gets refreshed, but not cleaned. I guess you are using some
> background polygon to clear the screen. see if the problem stays using
> clear.
>
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on Mon Aug 10 1998 - 17:55:57 PDT