def expand(self, radius):
""" Expand ellipsoid by a constant value along each radial vector
Parameters
----------
radius : float or (3,)
the extension in Ang per ellipsoid radial vector
"""
radius = _a.asarrayd(radius)
if radius.size == 1:
v0 = expand(self._v[0, :], radius)
v1 = expand(self._v[1, :], radius)
v2 = expand(self._v[2, :], radius)
elif radius.size == 3:
v0 = expand(self._v[0, :], radius[0])
v1 = expand(self._v[1, :], radius[1])
v2 = expand(self._v[2, :], radius[2])
else:
raise ValueError(self.__class__.__name__ + '.expand requires the radius to be either (1,) or (3,)')
return self.__class__([v0, v1, v2], self.center)
def expand(self, length):
""" Expand the cuboid by a constant value along side vectors
Parameters
----------
length : float or (3,)
the extension in Ang per cuboid vector.
"""
length = _a.asarrayd(length)
if length.size == 1:
v0 = expand(self._v[0, :], length)
v1 = expand(self._v[1, :], length)
v2 = expand(self._v[2, :], length)
elif length.size == 3:
v0 = expand(self._v[0, :], length[0])
v1 = expand(self._v[1, :], length[1])
v2 = expand(self._v[2, :], length[2])
else:
raise ValueError(self.__class__.__name__ + '.expand requires the length to be either (1,) or (3,)')
return self.__class__([v0, v1, v2], self.center)
