On Sun, 02 Jul 2006 16:50:23 -0400, Norbert Kern wrote:

> Artemia Salina <y2k### [at] sheayrightcom> wrote:
> 
>> I tried Norbert's suggestion last night (see his article in this thread)
>> and it didn't work. I played with swapping the sign for the x and z axes
>> but still no luck.
> 
> It should work, believe me!
> Here a bit more code, which shows what I mean -
> 
> #declare Norm = <0,0,0>;
> #declare loc = trace (M1, start, <0,0,0>, Norm);

Oh, I think I see what's going on. Instead of <0,0,0> for the direction
vector I'm using <0,0,-1>! I don't know how or why I did that. I'll retry
with your suggestion, Norbert.

Thanks again for the assistance!

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