def root2np(tfile, tgraph): """ Converts ROOT data to numpy""" data = TFile(tfile).Get(tgraph) # From Root array to numpy array # see https://gist.github.com/jepio/4802f87164f20e266503 x_data = np.array(data.GetX(), copy=True) y_data = np.array(data.GetY(), copy=True) data = np.vstack((x_data, y_data)) return data