Coordinates

ocelot.util.coordinates.spherical_to_cartesian(radii, thetas, phis)

Converts from spherical to Cartesian coordinates. See: https://en.wikipedia.org/wiki/Spherical_coordinate_system#Cartesian_coordinates

Assumes radii ∈ [0, inf), thetas ∈ [0, pi], phis ∈ [0, 2pi)