In article <40a0c7b1$1@news.povray.org>,
 "Thomas de Groot" <t.d### [at] internlnet> wrote:

> I know this is a stupid question, but I just cannot solve it.
> I want to place objects on a surface (heightfield or isosurface) with the
> trace() function, but also rotate them parallel to the normal of the found
> point on the surface. How do I do that? I know it is possible, but I am
> unable to find the answer in the help documents.
> 
> Thanks for decreasing my stupidity!  ;-))
> 
> Thomas
> 
> 

take a look at "trace2.pov" in the folder "language" from the POVRay 3.5 Scenes

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