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Re: [help-3dldf] Re: button-hole problem

From: Laurence Finston
Subject: Re: [help-3dldf] Re: button-hole problem
Date: Sat, 23 Apr 2005 13:40:11 +0200 (MEST)

On Sat, 23 Apr 2005, L. Nobre G. wrote:

> >From the experimental physicist point of view the perspective projection
> of a circle on a plane is "allways" an ellipse.
> But
> the projection of the center of the circle is "not" the center of the
> ellipse.

How can this be reconciled with what Laurent S. and Peter have written?
Again, in words of one syllable, if possible, please.



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