"Phil" <nomail@nomail> wrote:
>
> #define norm = <0,0,0>;

// Should that be:
#declare norm = <0,0,0>;

>
> #while (IN A REGION WE WANT TO PLANT)
>   #declare h = trace(map, <x,y,2>, <x,y,0>, norm);
>   #if ((vlength(norm) != 0) & (vlength(h) < 0.5))
>     object {
>       tree
>       translate h
>     }
>   #end

//  And then be sure to reset the norm back to
//  zero at before the next time you use it:

#declare norm = <0,0,0>;

> #end
>

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