Hi there,

I'm attempting to port some code over to matplotlib 0.98.x.
Previously, I was able to do something like:

axes_object.pcolormesh(x,y,v)
axes_object.set_xscale('log')
axes_object.set_yscale('log')

and then save the figure.  However, now this fails because the
sequence of transformations it applies is not affine.  (assert
transform.is_affine in collections.py:QuadMesh.)  If I want to have
the same effect -- a log-spaced pcolormesh -- what is the appropriate
sequence of calls?  I'd like to avoid pre-applying the log and
plotting on a linear-scale plot, as the code also overplots analytic
functions in the same figure.

Thanks!

-Matt

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