Calculate the surface normal vector at a specific point on an ellipsoid.
1 | ellipsoidnormal(lat, long, a = 1, b = 1, c = 1)
|
lat |
latitude coordinates (in radians) |
long |
longitude coordinates (in radians) |
a |
semi-principal axis length of the ellipsoid |
b |
semi-principal axis length of the ellipsoid |
c |
semi-principal axis length of the ellipsoid |
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