Re: ellipse intersection

iain-3@truecircuits.com (Iain McClatchie) writes:

> Ray> Would this approach work: shrink/stretch/rotate the coord-space until
> Ray> one of the ellipses is a circle and the other is aligned to the x/y a
xes.
> Ray> Then solve the circle/ellipse intersection problem. Then transform ba
ck
> Ray> into the original space.
>
> Ellipses can be stretched along their axes or rotated and they are still
> ellipses.  But you can't stretch them at an angle to the axes, and still
> maintain an ellipse.

No, it will remain an ellipse.

--
__("<         Marcin Kowalczyk
\__/       qrczak@knm.org.pl
^^     http://qrnik.knm.org.pl/~qrczak/