def bearingTo2(self, other, wrap=False, raiser=False):
'''Return the initial and final bearing (forward and reverse
azimuth) from this to an other point.
@arg other: The other point (C{LatLon}).
@kwarg wrap: Wrap and unroll longitudes (C{bool}).
@kwarg raiser: Optionally, raise L{CrossError} (C{bool}).
@return: A L{Bearing2Tuple}C{(initial, final)}.
@raise TypeError: The I{other} point is not spherical.
@see: Methods C{initialBearingTo} and C{finalBearingTo}.
'''
# .initialBearingTo is inside .-Nvector and .-Trigonometry
i = self.initialBearingTo(other, wrap=wrap,
raiser=raiser) # PYCHOK .initialBearingTo
f = self.finalBearingTo(other, wrap=wrap, raiser=raiser)
return self._xnamed(Bearing2Tuple(i, f))
def bearingTo2(self, other, wrap=False):
'''Compute the initial and final bearing (forward and reverse
azimuth) from this to an other point, using Karney's
Inverse method. See methods L{initialBearingTo} and
L{finalBearingTo} for more details.
@param other: The other point (L{LatLon}).
@keyword wrap: Wrap and unroll longitudes (C{bool}).
@return: A L{Bearing2Tuple}C{(initial, final)}.
@raise ImportError: Package U{geographiclib
<https://PyPI.org/project/geographiclib>}
not installed or not found.
@raise TypeError: The B{C{other}} point is not L{LatLon}.
@raise ValueError: If this and the B{C{other}} point's L{Datum}
ellipsoids are not compatible.
'''
r = Bearing2Tuple(*self._inverse(other, True, wrap)[1:])
return self._xnamed(r)
def bearingTo2(self, other, wrap=False):
'''Compute the initial and final bearing (forward and reverse
azimuth) from this to an other point, using Vincenty's
inverse method. See methods L{initialBearingTo} and
L{finalBearingTo} for more details.
@param other: The other point (L{LatLon}).
@keyword wrap: Wrap and unroll longitudes (C{bool}).
@return: A L{Bearing2Tuple}C{(initial, final)}..
@raise TypeError: The B{C{other}} point is not L{LatLon}.
@raise ValueError: If this and the B{C{other}} point's L{Datum}
ellipsoids are not compatible.
@raise VincentyError: Vincenty fails to converge for the current
L{LatLon.epsilon} and L{LatLon.iterations}
limit and/or if this and the B{C{other}}
point are coincident or near-antipodal.
'''
r = Bearing2Tuple(*self._inverse(other, True, wrap)[1:])
return self._xnamed(r)