def compute_index(self, st, n):
        px = np.arange(n)
        s, t = st
        return self.inverse_mapper((px - t)/s)
Add a star.
dataset/ETHPy150Open bokeh/datashader/datashader/core.py/Axis.compute_index--crossover with--dataset/ETHPy150Open networkx/networkx/networkx/classes/tests/timingclasses.py/TimingGraph.add_star