[Matplotlib-users] Basemap and clim, has this changed in 0.99

[Evan Mason]

Hi, I've just upgraded to mpl 0.99 (from svn) and Basemap (also from svn).



It seems that plt.clim(vmin,vmax) no longer works with Basemap
objects.  Here is an example, which before used to work:


In [92]: M.pcolormesh(x, y, a_var,cmap=cm)
Out[92]: <matplotlib.collections.QuadMesh object at 0x7f8f2faf3d90>

In [93]: plt.clim(-10,10)
---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)

/home/emason/pytools/fig_thesis_ssh_variance_prime_month.py in <module>()
----> 1
      2
      3
      4
      5

/usr/lib64/python2.6/site-packages/matplotlib/pyplot.pyc in clim(vmin, vmax)
   1379     im = gci()
   1380     if im is None:
-> 1381         raise RuntimeError('You must first define an image, eg
with imshow')
   1382
   1383     im.set_clim(vmin, vmax)

RuntimeError: You must first define an image, eg with imshow

In [94]:



Using plt.pcolormesh there's no problem.  Has this change been done
intentionally?  If so, what is now the recommended way to apply
climits to a Basemap plot?


Thanks, Evan

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