enzofof_merger_tree.py 文件源码

def find_relative_parentage(self, child):
        # Return two values: percent this halo gave to the other, and percent
        # of the other that comes from this halo
        overlap = np.intersect1d(self.particle_ids, child.particle_ids).size
        of_child_from_me = float(overlap)/child.particle_ids.size
        of_mine_from_me = float(overlap)/self.particle_ids.size
        return of_child_from_me, of_mine_from_me