def sweHouses(jd, lat, lon, hsys):
""" Returns lists of houses and angles. """
hsys = SWE_HOUSESYS[hsys]
hlist, ascmc = swisseph.houses(jd, lat, lon, hsys)
# Add first house to the end of 'hlist' so that we
# can compute house sizes with an iterator
hlist += (hlist[0], )
houses = [{
'id': const.LIST_HOUSES[i],
'lon': hlist[i],
'size': angle.distance(hlist[i], hlist[i + 1])
} for i in range(12)]
angles = [{
'id': const.ASC,
'lon': ascmc[0]
}, {
'id': const.MC,
'lon': ascmc[1]
}, {
'id': const.DESC,
'lon': angle.norm(ascmc[0] + 180)
}, {
'id': const.IC,
'lon': angle.norm(ascmc[1] + 180)
}, {
'id': const.VERTEX,
'lon': ascmc[3]
}]
return (houses, angles)
def sweHousesLon(jd, lat, lon, hsys):
""" Returns lists with house and angle longitudes. """
hsys = SWE_HOUSESYS[hsys]
hlist, ascmc = swisseph.houses(jd, lat, lon, hsys)
angles = [
ascmc[0], ascmc[1],
angle.norm(ascmc[0] + 180),
angle.norm(ascmc[1] + 180), ascmc[3]
]
return (hlist, angles)
def sweHousesLon(jd, lat, lon, hsys):
""" Returns lists with house and angle longitudes. """
hsys = SWE_HOUSESYS[hsys]
hlist, ascmc = swisseph.houses(jd, lat, lon, hsys)
angles = [
ascmc[0],
ascmc[1],
angle.norm(ascmc[0] + 180),
angle.norm(ascmc[1] + 180)
]
return (hlist, angles)
def pfLon(jd, lat, lon):
""" Returns the ecliptic longitude of Pars Fortuna.
It considers diurnal or nocturnal conditions.
"""
sun = swe.sweObjectLon(const.SUN, jd)
moon = swe.sweObjectLon(const.MOON, jd)
asc = swe.sweHousesLon(jd, lat, lon, const.HOUSES_DEFAULT)[1][0]
if isDiurnal(jd, lat, lon):
return angle.norm(asc + moon - sun)
else:
return angle.norm(asc + sun - moon)
def arc(pRA, pDecl, sRA, sDecl, mcRA, lat):
""" Returns the arc of direction between a Promissor
and Significator. It uses the generic proportional
semi-arc method.
"""
pDArc, pNArc = utils.dnarcs(pDecl, lat)
sDArc, sNArc = utils.dnarcs(sDecl, lat)
# Select meridian and arcs to be used
# Default is MC and Diurnal arcs
mdRA = mcRA
sArc = sDArc
pArc = pDArc
if not utils.isAboveHorizon(sRA, sDecl, mcRA, lat):
# Use IC and Nocturnal arcs
mdRA = angle.norm(mcRA + 180)
sArc = sNArc
pArc = pNArc
# Promissor and Significator distance to meridian
pDist = angle.closestdistance(mdRA, pRA)
sDist = angle.closestdistance(mdRA, sRA)
# Promissor should be after significator (in degrees)
if pDist < sDist:
pDist += 360
# Meridian distances proportional to respective semi-arcs
sPropDist = sDist / (sArc / 2.0)
pPropDist = pDist / (pArc / 2.0)
# The arc is how much of the promissor's semi-arc is
# needed to reach the significator
return (pPropDist - sPropDist) * (pArc / 2.0)
def getObject(ID, jd, lat, lon):
""" Returns an object for a specific date and
location.
"""
if ID == const.SOUTH_NODE:
obj = swe.sweObject(const.NORTH_NODE, jd)
obj.update({
'id': const.SOUTH_NODE,
'lon': angle.norm(obj['lon'] + 180)
})
elif ID == const.PARS_FORTUNA:
pflon = tools.pfLon(jd, lat, lon)
obj = {
'id': ID,
'lon': pflon,
'lat': 0,
'lonspeed': 0,
'latspeed': 0
}
elif ID == const.SYZYGY:
szjd = tools.syzygyJD(jd)
obj = swe.sweObject(const.MOON, szjd)
obj['id'] = const.SYZYGY
else:
obj = swe.sweObject(ID, jd)
_signInfo(obj)
return obj
def sweHouses(jd, lat, lon, hsys):
""" Returns lists of houses and angles. """
hsys = SWE_HOUSESYS[hsys]
hlist, ascmc = swisseph.houses(jd, lat, lon, hsys)
# Add first house to the end of 'hlist' so that we
# can compute house sizes with an iterator
hlist += (hlist[0],)
houses = [
{
'id': const.LIST_HOUSES[i],
'lon': hlist[i],
'size': angle.distance(hlist[i], hlist[i+1])
} for i in range(12)
]
angles = [
{'id': const.ASC, 'lon': ascmc[0]},
{'id': const.MC, 'lon': ascmc[1]},
{'id': const.DESC, 'lon': angle.norm(ascmc[0] + 180)},
{'id': const.IC, 'lon': angle.norm(ascmc[1] + 180)}
]
return (houses, angles)
def getObject(ID, jd, lat, lon):
""" Returns an object for a specific date and
location.
"""
if ID == const.SOUTH_NODE:
obj = swe.sweObject(const.NORTH_NODE, jd)
obj.update({
'id': const.SOUTH_NODE,
'lon': angle.norm(obj['lon'] + 180)
})
elif ID == const.PARS_FORTUNA:
pflon = tools.pfLon(jd, lat, lon)
obj = {'id': ID, 'lon': pflon, 'lat': 0, 'lonspeed': 0, 'latspeed': 0}
elif ID == const.SYZYGY:
szjd = tools.syzygyJD(jd)
obj = swe.sweObject(const.MOON, szjd)
obj['id'] = const.SYZYGY
else:
obj = swe.sweObject(ID, jd)
_signInfo(obj)
return obj