JavaScript VRML Interface


this VRML 3D-ANIMATION will be generated on the fly by JAVASCRIPT. It represents the mathematical path for the transition of a helicoid towards a catenoid surface and is an example of an   'isometric minimal surface transformation'   called

Gauss Bonnet Transformation



catenoid surface / Kettenfläche:
S = { x = hypcos(u) * cos(v),   y = hypcos(u) * sin(v),   z = u;     u² + v² < infinity}


helicoid surface / Wendelfläche:
S' = { x = u' * cos(v)',   y = u' * sin(v'),   z = v';     u'² + v'² < infinity}





open 3D transformation

(new version)
yet doesn't work in Cortona Player

- to start the surface transformation click onto the 3D structure -
- use PgUp/PgDn for ViewPoint switching -




Juergen Koening ©   dec 2000   koening@chemie.fu-berlin.de
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