> Melchior FRANZ wrote:
> 
> > For those who care: these changes to the beacon solve one of the recently
> > discussed problems with hanging FDM: The beacon is a quite expensive 
> > structure.
> > It consists of about 1000 vertices and 950 triangles, all on the same spot.
> > When you fly over a beacon, the ground cache has to eat all these triangles,
> > which makes the FDM stutter or even hang. Quite a waste of effort, for the
> > fraction of a second that it takes to pass the beacon. With these changes
> > most of the 950 faces are invisible to the ground cache. There's only a
> > simple invisible pyramid instead for intersection tests. This does, of 
> > course
> > mean that you can't fly between the rails through the beacon any more ...  
> > ;-)
> > The rumour goes that fixes for the other crash/hang problems are already
> > done, too, and will soon be applied. (And they work quite well so far.  :-)
> 
> Is this something that people should consider for any high poly 
> structures then?

Is the "ground cache" for the benefit of the FDM? 

Jon


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