Hi Nicolas Alvarez, you wrote:


>news:cjV### [at] dontspamme...

>>I'll
>> admit that this sort of mathematics was what I hated at school so I
>> didn't pay much attention (all those years ago, if I'd only have known
>> how useful it would be now!)
>
>From the isosurface tutorial:
>
>You know you have been raytracing too long when ...
>... You find yourself wishing you'd paid attention in math class to all those
>formulae you thought you'd never have any use for in real life.
>-- Jeff Lee

Ah, so it's not just me then! *grin*
-- 
Manawydan

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