Invisible <voi### [at] devnull> wrote:
> Warp wrote:

> >   That's the reason why you can't, for example, scale something by 0.
> > Inverting that matrix would result in a division by 0.

> Presumably it would also result in an invisible object too though. ;-)

  Not if you scale by 0 on only one axis.

> Does POV-Ray actually apply all the matricies and invert only the final 
> one? Or does it construct them in inverted form in the first place?

  IIRC it calculates the inverted matrices when parsing and uses them
when rendering.

-- 
                                                          - Warp

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