def __init__(self, x, y, z, h=0, datum=None, ll=None, name=NN):
'''New n-vector normal to the earth's surface.
@arg x: X component (C{meter}).
@arg y: Y component (C{meter}).
@arg z: Z component (C{meter}).
@kwarg h: Optional height above model surface (C{meter}).
@kwarg datum: Optional datum this n-vector is defined in
(L{Datum}, L{Ellipsoid}, L{Ellipsoid2} or
L{a_f2Tuple}).
@kwarg ll: Optional, original latlon (C{LatLon}).
@kwarg name: Optional name (C{str}).
@raise TypeError: If B{C{datum}} is not a L{Datum}.
@example:
>>> from ellipsoidalNvector import Nvector
>>> v = Nvector(0.5, 0.5, 0.7071, 1)
>>> v.toLatLon() # 45.0°N, 045.0°E, +1.00m
'''
NvectorBase.__init__(self, x, y, z, h=h, ll=ll, name=name)
if datum not in (None, self._datum):
self._datum = _ellipsoidal_datum(datum, name=name)
def __init__(self, x, y, z, h=0, datum=None, ll=None, name=''):
'''New n-vector normal to the earth's surface.
@param x: X component (C{meter}).
@param y: Y component (C{meter}).
@param z: Z component (C{meter}).
@keyword h: Optional height above model surface (C{meter}).
@keyword datum: Optional datum this n-vector is defined
within (L{Datum}).
@keyword ll: Optional, original latlon (C{LatLon}).
@keyword name: Optional name (C{str}).
@raise TypeError: If B{C{datum}} is not a L{Datum}.
@example:
>>> from ellipsoidalNvector import Nvector
>>> v = Nvector(0.5, 0.5, 0.7071, 1)
>>> v.toLatLon() # 45.0°N, 045.0°E, +1.00m
'''
NvectorBase.__init__(self, x, y, z, h=h, ll=ll, name=name)
if datum:
_TypeError(Datum, datum=datum)
self._datum = datum