import yt
ds = yt.load('ZeldovichPancake/plt32.2d.hdf5')
p = yt.ParticlePlot(ds.all_data(), 'particle_position_x', 'particle_velocity_x')
p.show()
WARNING:yt:Setting code length to be 1.0 cm WARNING:yt:Setting code mass to be 1.0 g WARNING:yt:Setting code time to be 1.0 s