Ben Chambers <bdc### [at] yahoocom> wrote:
> One thing I noticed the other day... you don't even need to average the
> normals.  Just add them together, and then normalize the result.  Saves a
> few ops.

  Why do you need to normalize the result? POV-Ray eats normal vectors of
any size (the length of the vector makes no difference).

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

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