A quick movie about my experiment with the hull (see discussion in p.u.p about 
Object Idea).

The hull is just a triangle on a sphere:
 the first vertex is fixed,
 the second one evolves on nearly a circle (*),
 and the third and last one evolves on the remaining sphere.

*: excepted that the second vertex cannot be identical or opposite to
the first vertex.

-- 
Non Sine Numine
http://grimbert.cjb.net/
Etiquette is for those with no breeding;
fashion for those with no taste.

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Download 'hull.mpg' (215 KB)