SharkD wrote:
> I've created a scene with a heightfield. I want to place a road over the
> heightfield. I created a macro to generate a spline-shaped road that is
> interpolated through points on the heightfield. 

Perhaps it would help to use trace() to put more points on the spline, 
based on the intermediate heights of the heightfield?

-- 
   Darren New / San Diego, CA, USA (PST)
     His kernel fu is strong.
     He studied at the Shao Linux Temple.

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