The shortest distance between two points is a straight line. This is one of the basic principles of Euclidean geometry. But we live on a spherical Earth, so we cannot travel the straight line path ...

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real spherical harmonics in Cartesian, projection to spherical harmonics, cos+ (clamped cosine), rotation of zonal spherical functions, dodecahedron triangle fan, icosahedron triangle strip, ...

Look around at the world, and the objects in it–buildings, trees, people, birds, insects–appear to come in an endless variety of shapes. At first, cataloging these diverse shapes may seem impossible.

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