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houses.py
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houses.py
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import math
import astrology
import chart
import util
import swisseph
import sys
class Houses:
"""Calculates the cusps of the Houses"""
HOUSE_NUM = 12
hsystems = ('P', 'K', 'R', 'C', 'E', 'W', 'X', 'M', 'H', 'T', 'B', 'O')
ASC, MC, ARMC, VERTEX, EQUASC, COASC, COASC2, POLARASC = range(0, 8)
LON = 0
LAT = 1
RA = 2
DECL = 3
def __init__(self, tjd_ut, flag, geolat, geolon, hsys, obl, ayanopt, ayan):
if hsys in Houses.hsystems:
self.hsys = hsys
else:
self.hsys = hsystems[0]
self.obl = obl
self.cusps, self.ascmc = swisseph.houses_ex(tjd_ut, geolat, geolon, bytes(self.hsys, 'utf-8'), flag)
##################
if ayanopt != 0 and self.hsys == 'W':
del self.cusps
cusps = [0.0]
sign = int(util.normalize(self.ascmc[Houses.ASC]-ayan))/30
cusps.append(sign*30.0)
for i in range(2, Houses.HOUSE_NUM+1):
hc = util.normalize(cusps[i-1]+30.0)
cusps.append(hc)
#to tuple (which is a read-only list)
self.cusps = tuple(cusps)
##################
ascra, ascdecl, dist = swisseph.cotrans(self.ascmc[Houses.ASC], 0.0, 1.0, -obl)
mcra, mcdecl, dist = swisseph.cotrans(self.ascmc[Houses.MC], 0.0, 1.0, -obl)
self.ascmc2 = ((self.ascmc[Houses.ASC], 0.0, ascra, ascdecl), (self.ascmc[Houses.MC], 0.0, mcra, mcdecl))
#zdAsc=90.0, zdMC=0.0
#poleAsc=lat, poleMC=0.0
qasc = math.degrees(math.asin(math.tan(math.radians(ascdecl))*math.tan(math.radians(geolat))))
self.regioMPAsc = ascra-qasc
self.regioMPMC = mcra
self.cuspstmp = [[0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [0.0, 0.0]]
for i in range(Houses.HOUSE_NUM):
self.cuspstmp[i][0], self.cuspstmp[i][1], dist = swisseph.cotrans(self.cusps[i], 0.0, dist, -obl)
self.cusps2 = ((self.cuspstmp[0][0], self.cuspstmp[0][1]), (self.cuspstmp[1][0], self.cuspstmp[1][1]), (self.cuspstmp[2][0], self.cuspstmp[2][1]), (self.cuspstmp[3][0], self.cuspstmp[3][1]), (self.cuspstmp[4][0], self.cuspstmp[4][1]), (self.cuspstmp[5][0], self.cuspstmp[5][1]), (self.cuspstmp[6][0], self.cuspstmp[6][1]), (self.cuspstmp[7][0], self.cuspstmp[7][1]), (self.cuspstmp[8][0], self.cuspstmp[8][1]), (self.cuspstmp[9][0], self.cuspstmp[9][1]), (self.cuspstmp[10][0], self.cuspstmp[10][1]), (self.cuspstmp[11][0], self.cuspstmp[11][1]))
#Zodiacal
def getHousePos(self, lon, opts, useorbs = False):
for i in range(1, Houses.HOUSE_NUM):
orb1 = 0.0
orb2 = 0.0
if useorbs:
orb1 = opts.orbiscuspH
orb2 = opts.orbiscuspH
if i == 1 or i == 4 or i == 7 or i == 10:
orb1 = opts.orbiscuspAscMC
if i+1 == 4 or i+1 == 7 or i+1 == 10:
orb2 = opts.orbiscuspAscMC
cusp1 = util.normalize(self.cusps[i-1]-orb1)
cusp2 = util.normalize(self.cusps[i]-orb2)
pos = lon
if cusp1 > 240.0 and cusp2 < 120.0: #Pisces-Aries check
if pos > 240.0:#planet is in the Pisces-part
cusp2 += 360.0
else:
cusp2 += 360.0
pos += 360.0
if cusp1 < pos and cusp2 > pos:
if opts.traditionalaspects:
pos = lon
cusp1 = self.cusps[i-1]
cusp2 = self.cusps[i]
if cusp1 > 240.0 and cusp1 < 120.0: #Pisces-Aries check
if pos > 240.0:#planet is in the Pisces-part
cusp2 += 360.0
else:
cusp2 += 360.0
pos += 360.0
if cusp1 > pos:
sign1 = int(lon/chart.Chart.SIGN_DEG)
sign2 = int(self.cusps[i]/chart.Chart.SIGN_DEG)
if sign1 != sign2:
if i == 1:
return 11
else:
return i-2
return i-1
#12-I
orb1 = 0.0
orb2 = 0.0
if useorbs:
orb1 = opts.orbiscuspH
orb2 = opts.orbiscuspAscMC
cusp1 = util.normalize(self.cusps[11]-orb1)
cusp2 = util.normalize(self.cusps[0]-orb2)
pos = lon
if cusp1 > 240.0 and cusp2 < 120.0: #Pisces-Aries check
if pos > 240.0:#planet is in the Pisces-part
cusp2 += 360.0
else:
cusp2 += 360.0
pos += 360.0
if cusp1 < pos and cusp2 > pos:
if opts.traditionalaspects:
pos = lon
cusp1 = self.cusps[i-1]
cusp2 = self.cusps[i]
if cusp1 > 240.0 and cusp1 < 120.0: #Pisces-Aries check
if pos > 240.0:#planet is in the Pisces-part
cusp2 += 360.0
else:
cusp2 += 360.0
pos += 360.0
if cusp1 > pos:
sign1 = int(lon/chart.Chart.SIGN_DEG)
sign2 = int(self.cusps[i-1]/chart.Chart.SIGN_DEG)
if sign1 != sign2:
if i == 1:
return 11
else:
return i-2
return 11
return 0
def calcProfPos(self, prof):
hcs = [self.cusps[0]]
for i in range(1, Houses.HOUSE_NUM+1):
hcs.append(util.normalize(self.cusps[i]+prof.offs))
#to tuple (which is a read-only list)
self.cusps = tuple(hcs)
self.ascmc = (util.normalize(self.ascmc[Houses.ASC]+prof.offs), util.normalize(self.ascmc[Houses.MC]+prof.offs), self.ascmc[Houses.ARMC], self.ascmc[Houses.VERTEX], self.ascmc[Houses.EQUASC], self.ascmc[Houses.COASC], self.ascmc[Houses.COASC2], self.ascmc[Houses.POLARASC])
ascra, ascdecl, dist = swisseph.cotrans(self.ascmc[Houses.ASC], 0.0, 1.0, -self.obl)
mcra, mcdecl, dist = swisseph.cotrans(self.ascmc[Houses.MC], 0.0, 1.0, -self.obl)
self.ascmc2 = ((self.ascmc[Houses.ASC], 0.0, ascra, ascdecl), (self.ascmc[Houses.MC], 0.0, mcra, mcdecl))