The standard torus is paramterized as a surface of revolution: a circle is revolved around an axis. The general equations for such a torus are
f(u, v) = [ (a + b*cos(v))*cos(u), (a + b*cos(v))*sin(u), c*sin(v) ]The torus shown here was created with
a = 2, b = 1, c = 1
source: Alfred Gray, Modern Differential Geometry of Curves and Surfaces.
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Created: Jul 6 1995 ---- Last modified: Wed Aug 16 22:21:45 1995
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