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

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.

Thanks.

Laurence