In [1]:
%matplotlib inline
import yt
In [4]:
ds = yt.load('IsolatedGalaxy/galaxy0030/galaxy0030')
slc = yt.SlicePlot(ds, 2, 'x-velocity', width=(20, 'kpc'))
ax = slc.plots['x-velocity'].axes
ax.patch.set_facecolor('black')
slc
Out[4]: