name & dimensionality |
kind |
in/out |
description |
|
|
|
|
theta |
DP |
IN |
colatitude in radians measured southward from north pole (in
). |
phi |
DP |
IN |
longitude in radians measured eastward (in
). |
vector(3) |
DP |
OUT |
three dimensional cartesian position vector
normalised to unity. The north pole is |