Calculate the surface normal vector at a specific point on an ellipsoid.

Calculate the surface normal vector at a specific point on an ellipsoid.

ellipsoidnormal(lat, long, a = 1, b = 1, c = 1)

Arguments

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