def mkfig_imshow(dat,title): fig, ax = plt.subplots() ax.set_title(title) img = ax.imshow(dat, cmap=plt.cm.jet, interpolation='nearest', origin='upper') cbar = fig.colorbar(img, ax=ax, aspect=50, pad=0.08, shrink=0.9, orientation='horizontal') return fig fig1 = mkfig_imshow(dat1,'dat1') fig2 = mkfig_imshow(dat2,'dat2') plt.show()