def __init__(self, a_ellipsoid, f, name):
'''(INTERNAL) New C{Ecef...}.
'''
try:
E = a_ellipsoid
if f is None:
if isinstance(E, Datum):
self._datum = E
E = E.ellipsoid
elif not isinstance(E, Ellipsoid):
raise TypeError
self.name = E.name
elif isscalar(E) and isscalar(f):
a = float(E)
f_ = (1.0 / f) if f else 0 # sphere
b = None if f_ else a
E = Ellipsoid(a, b, f_, name='_' + name)
else:
raise ValueError
if not (E.a > 0 and E.f < 1):
raise ValueError
except (TypeError, ValueError):
t = unStr(self.classname, a=E, f=f)
raise EcefError('%s invalid: %s' % ('ellipsoid', t))
self._E = E
if name:
self.name = name
def inStr(inst, *args, **kwds):
'''Return the string representation of an instance.
@param inst: The instance (any C{type}).
@param args: Optional positional arguments.
@keyword kwds: Optional keyword arguments.
@return: The B{C{inst}}'s representation (C{str}).
'''
return unStr(classname(inst), *args, **kwds)
def toStr(self, **kwds):
'''(INTERNAL) Must be overloaded.
@param kwds: Optional, keyword arguments.
'''
raise AssertionError(unStr(self.classname + '.toStr', **kwds))
def _xcopy(self, *attrs):
'''(INTERNAL) Must be overloaded.
'''
raise AssertionError(unStr(self.classname + '._xcopy', *attrs))
def toCartesian(self):
'''Convert this (geodetic) point to (geocentric) x/y/z
Cartesian coordinates. Must be overloaded.
'''
raise AssertionError(unStr(self.classname + '.toCartesian'))
def falsed2(self):
'''(INTERNAL) Must be overloaded.
'''
raise AssertionError(unStr(self.classname + '.falsed2'))
def _notOverloaded(self, name, *args, **kwds): # PYCHOK no cover
'''Raise an error for a method or property not overloaded.
'''
n = '%s %s.%s' % (self._notOverloaded.__name__, self.classname, name)
raise AssertionError(unStr(n, *args, **kwds))
