I have two quick questions about colorbars in matplotlib. The first is
related to the size of the colorbar. I would like to have square axes for a
plot, so I use:
ax=fig.add_subplot(1,2,1)
pc=ax.pcolor(X,Z,P2)
ax.set_aspect(1./ax.get_data_ratio())
cb=pylab.colorbar(pc,orientation='vertical')
However, here I find that the colorbar is as long as the original image
rather than the scaled image. Is there a good way around this?
pylab.axis('equal')
and
pylab.axis('scaled')
have not helped.
The second question is related to the choice of tickmarks for the colorbar.
If I would like to have only say 4 ticks on colorbar, I tried:
cb.ax.xaxis.set_major_locator(MaxNLocator(4)), however, the range for the
colorbar is now incorrect. Suggestions? I am using
version 0.99.0
Thanks,
William
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