Jim Holsenback <jho### [at] hotmailcom> wrote:
> sometime ago I remember a post that offered if you 
> don't care about normals just turn it off as it slows things down. I did a 
> small test and it does indeed.

  Normals do indeed slow down radiosity, but they also make a difference
if normal perturbations are relevant and visible on the surfaces. Without
'normal on' (and without any actual light source) the surface is rendered
smooth, as if it didn't have any normal perturbation at all.

-- 
                                                          - Warp

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