def norm_emit_4d(self):
"""Normalized emittance in the xy planes (4D)"""
return norm_emit_calc(self, planes=['x', 'y'])
def sqrt_norm_emit_4d(self):
return np.sqrt(norm_emit_calc(self, planes=['x', 'y']))
def norm_emit_y(self):
"""Normalized emittance in the x plane"""
return norm_emit_calc(self, planes=['y'])
def root_norm_emit_6d(self):
pg = copy.deepcopy(self)
pg.drift_to_t()
return np.power(norm_emit_calc(pg, planes=['x', 'y', 'z']), 1.0 / 3.0)