Animated generation of hyperbola

Please enable Java for an interactive construction (with Cinderella).

Animated generation of hyperbola (spherical view)

The spherical view (stereographic projection) visualizes the motion also at infinity (intersections of the red directrix with the blue circumference of the view). This view shows that hyperbolas never close, even not at infinity!

Please enable Java for an interactive construction (with Cinderella).

[ conics | GA with Cinderella ]

Soli Deo Gloria. Created with Cinderella by Eckhard Hitzer (Fukui).