See my other post in this comment chain. Matplotlib is not good with handling large (e.g. more than 100K) datapoints in 2D or 3D if you want interactivity or an

See my other post in this comment chain. Matplotlib is not good with handling large (e.g. more than 100K) datapoints in 2D or 3D if you want interactivity or animations. Bokeh handles it like a champ!