20 Apr
2006
20 Apr
'06
6:26 p.m.
On Thu, 20 Apr 2006 rodrigo@anorg.net wrote:
is there an abstraction or external to transform 3D cartesian coordinates to polar ones? If you can give me a hint, you would save me the trigonometrical pain (I'm bad at this stuff).
Three-dimensional? You mean cylindrical or spherical?
BTW no-one agrees on how to do spherical, so from one formula to another, cos and sin are often swapped, sign changes, order of arguments change, etc.
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