On Tue, Sep 29, 2009 at 12:52 PM, Evan Mason <evanma...@gmail.com> wrote:
> 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?
I think this is due to an issue I fixed yesterday. Matplotlib changed
how it handled tracking the current image (in trunk) and Basemap
hadn't been updated. A fresh pull of basemap (I checked in the
changes yesterday afternoon) should fix it. If not, we can dig
further.
Ryan
--
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma
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