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Here a sample of my scene:
#declare Normal=< 0.0, 0.0, 0.0 >;
#declare Angle=30.0;
#while(Angle<360)
#declare Location=< -25.0, 100.0, 0.0 > rotate < 0.0, Angle, 0.0 >;
#declare Boden=trace( Meeresgrund, Location, -y, Normal );
object {Licht translate < -25.0, Boden.y, 0.0 > rotate < 0.0, Angle, 0.0
> }
declare Angle=Angle+30;
#end
I intent to place some objects (called "Licht") in a circle. Since the
underground is a height_field, I want to use Trace to get the proper Y
coordinate of the current location. There I fail. I don't know exactly, how
to properly define the location for Trace. Please see above. of course, that
returns an error message. How to do it better?
Thanks,
Sven
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