/** This draws the current view of Saturn and its rings using the routines
    in planets.frink.
*/

use planets.frink
lat =   40 deg North
long = 105 deg West

if length[ARGS] > 0
   d = parseDate[ARGS@0]
else
   d = now[]

g = Planet.drawSaturnRelativeToZenith[d, lat, long, 0, 0, 1]
g.invertGrays[].show[]
g.invertGrays[].write["drawSaturn" + (d->###yyyy-MM-dd###) + ".png", 800, undef]