[yt-dev] Issue #860: One of the animation recipes in the docs build raises the following error: (yt_analysis/yt)

[Nathan Goldbaum]

New issue 860: One of the animation recipes in the docs build raises the following error:
https://bitbucket.org/yt_analysis/yt/issue/860/one-of-the-animation-recipes-in-the-docs

Nathan Goldbaum:

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-4-e3b9f89be543> in <module>()
     12 
     13 # call the animator.  blit=True means only re-draw the parts that have changed.
---> 14 anim = animation.FuncAnimation(fig, animate, frames=44, interval=200, blit=False)
     15 
     16 # call our new function to display the animation

/home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in __init__(self, fig, func, frames, init_func, fargs, save_count, **kwargs)
   1008         self._save_seq = []
   1009 
-> 1010         TimedAnimation.__init__(self, fig, **kwargs)
   1011 
   1012         # Need to reset the saved seq, since right now it will contain data

/home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in __init__(self, fig, interval, repeat_delay, repeat, event_source, *args, **kwargs)
    862 
    863         Animation.__init__(self, fig, event_source=event_source,
--> 864                            *args, **kwargs)
    865 
    866     def _step(self, *args):

/home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in __init__(self, fig, event_source, blit)
    543 
    544         # Clear the initial frame
--> 545         self._init_draw()
    546 
    547         # Instead of starting the event source now, we connect to the figure's

/home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in _init_draw(self)
   1033         # artists.
   1034         if self._init_func is None:
-> 1035             self._draw_frame(next(self.new_frame_seq()))
   1036         else:
   1037             self._drawn_artists = self._init_func()

/home/xarth/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-linux-x86_64.egg/matplotlib/animation.pyc in _draw_frame(self, framedata)
   1047         # Call the func with framedata and args. If blitting is desired,
   1048         # func needs to return a sequence of any artists that were modified.
-> 1049         self._drawn_artists = self._func(framedata, *self._args)

<ipython-input-4-e3b9f89be543> in animate(i)
      9 def animate(i):
     10     ds = load('Enzo_64/DD%04i/data%04i' % (i,i))
---> 11     prj._switch_ds(ds)
     12 
     13 # call the animator.  blit=True means only re-draw the parts that have changed.

/var/lib/jenkins/jobs/yt-docs-3.0/workspace/yt/visualization/plot_container.pyc in _switch_ds(self, new_ds, data_source)
    282         self._data_valid = self._plot_valid = False
    283         self._recreate_frb()
--> 284         self._setup_plots()
    285 
    286     def __getitem__(self, item):

/var/lib/jenkins/jobs/yt-docs-3.0/workspace/yt/visualization/plot_window.pyc in _setup_plots(self)
    844             hinv = False
    845             for i, un in enumerate((unit_x, unit_y)):
--> 846                 if hasattr(self.ds.coordinates, "default_unit_label"):
    847                     axax = getattr(self.ds.coordinates, "%s_axis" % ("xy"[i]))[axis_index]
    848                     un = self.ds.coordinates.default_unit_label[axax]

AttributeError: 'YTQuadTreeProj' object has no attribute 'coordinates'


Responsible: ngoldbaum