def common2conformal(self, lat):
"""Convert common latiude (deg) to conformal latiude (deg) """
sinoe = np.sqrt(self.e2)
sinphi = sind(lat)
return (2. * arctand(
np.sqrt((1. + sinphi) / (1. - sinphi) *
((1. - sinphi * sinoe) / (1. + sinphi * sinoe))**sinoe)) -
90.0)
def common2geocentric(self, lat):
"""Convert common latiude (deg) to geocentric latiude (deg) """
return arctand(tand(lat) * self.cosOE**2)
def common2reduced(self, lat):
"""Convert common latiude (deg) to reduced latiude (deg) """
return arctand(self.cosOE * tand(lat))