Chris Huff wrote:

> > What purpose does an inverse tranformation serve (what does it do and
> > why do we need it) ?
> 
> Transform Trans changes pointA into another pointB. If the inverse of
> Trans is applied to pointB, you get pointA back. It is just the reverse
> of an ordinary transformation.

So if I had an object at <-1,0,-1> the inverse tranformation would now
locate the object to <1,0,1> ?

-- 
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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