multiplot_export_to_mpl.py

import yt

ds = yt.load_sample("IsolatedGalaxy")

fields = [
    ("gas", "density"),
    ("gas", "velocity_x"),
    ("gas", "velocity_y"),
    ("gas", "velocity_magnitude"),
]

p = yt.SlicePlot(ds, "z", fields)
p.set_log(("gas", "velocity_x"), False)
p.set_log(("gas", "velocity_y"), False)

# this returns a matplotlib figure with an ImageGrid and the slices
# added to the grid of axes (in this case, 2x2)
fig = p.export_to_mpl_figure((2, 2))

fig.tight_layout()

fig.savefig("multiplot_export_to_mpl.png")