def isDiurnal(jd, lat, lon):
""" Returns true if the sun is above the horizon
of a given date and location.
"""
sun = swe.sweObject(const.SUN, jd)
mc = swe.sweHousesLon(jd, lat, lon, const.HOUSES_DEFAULT)[1][1]
ra, decl = utils.eqCoords(sun['lon'], sun['lat'])
mcRA, _ = utils.eqCoords(mc, 0.0)
return utils.isAboveHorizon(ra, decl, mcRA, lat)
def G(self, ID, lat, lon):
""" Creates a generic entry for an object. """
# Equatorial coordinates
eqM = utils.eqCoords(lon, lat)
eqZ = eqM
if lat != 0:
eqZ = utils.eqCoords(lon, 0)
return {
'id': ID,
'lat': lat,
'lon': lon,
'ra': eqM[0],
'decl': eqM[1],
'raZ': eqZ[0],
'declZ': eqZ[1],
}