car2sph                 Transforms 3D cartesian coordinates to
                        spherical coordinates
pointsphere             Random sphere pointing
rgl.sphMW               Plot Galactic plane + Galactic centre
rgl.sphcirc             Great circle generator
rgl.sphgrid             Create a spherical plotting grid
rgl.sphpoints           Add points to spherical plots
rgl.sphsun              Plot ecliptic + Sun
rgl.sphtext             Add text to spherical plot
sph2car                 Transforms 3D spherical coordinates to
                        cartesian coordinates
sphereplot-package      Spherical plotting routines
