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)