> Hi Kirk,
> 
> this really looks nice. Would you perhaps be inclined to post the source? 
> (Beg ;-)
> 
> I am looking for a working example scene-file how to place random objects on 
> a pov-scene or how to color the landscape-height field according to the 
> actual height.
Trace and acounting for the normal for the first.
For the second, use the slope pattern. It depend on the actual slope, 
but also, optionaly, on the altitude.
> 
> Up to now I have only modeled very simple objects - no landscapes with 
> plenty of objects that have to be placed randomly. 
> 
>

The trace function is perfect for placing an object on another. Then, 
you can use vorient() to orient the object acording to the local normal 
of your surface.


Alain

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