Hi again,

I have a further problem down the line. That is, if I make the
sphere_sweep (semi) transparent then the white dots remain even when no
surfaces touch. That is, having one semitransparent object within
another gives problems on the boundary of the inner object. Anyone have
any experience/solutions with this?

Regards,
Robert

tor 2008-08-07 klockan 08:17 +0200 skrev Robert Rehammar:
> ons 2008-08-06 klockan 12:27 -0700 skrev stbenge:
> > Robert Rehammar wrote:
> > > 
> > > However when rendering this I get white dots of the boundary of the
> > > sphere_sweep in the transparent block. Anyone have any ideas of how I
> > > solve this?
> > 
> > This could be a coincident surfaces problem, as most little white (or 
> > black) dots are. Are the two surfaces overlapping each other exactly? If 
> > so, move one of the objects slightly and the dots should disappear.
> > 
> > Raytracers can never decide which object to render if both surfaces are 
> > fighting for the same rays.
> > 
> > I hope this solves the problem.
> > 
> > Sam
> 
> Thanks Sam! This cleared the problem - the two surfaces were exactly as
> you suspected coinciding in some places.
> 
> Regrds,
> Robert
>

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