0a77469f6271b2309dd3f2e2f47386f3852b17c7,tutorials/colors/colormapnorms.py,,,#,227

Before Change

                       cmap="RdBu_r")
fig.colorbar(pcm, ax=ax[0], extend="both")

pcm = ax[1].pcolormesh(X, Y, Z, cmap="RdBu_r", vmin=-np.max(Z))
fig.colorbar(pcm, ax=ax[1], extend="both")
fig.show()

After Change

fig, ax = plt.subplots()
midnorm = MidpointNormalize(vmin=-500., vcenter=0, vmax=4000)

pcm = ax.pcolormesh(longitude, latitude, topo, rasterized=True, norm=midnorm,
    cmap=terrain_map)
ax.set_aspect(1 / np.cos(np.deg2rad(49)))
fig.colorbar(pcm, shrink=0.6, extend="both")
plt.show()

Instances