[Yt-svn] New issue 300 in yt: quiver calllbacks on PlotCollectionInteractive

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New issue 300: quiver calllbacks on PlotCollectionInteractive
https://bitbucket.org/yt_analysis/yt/issue/300/quiver-calllbacks-on

samskillman on Fri, 26 Aug 2011 22:15:13 +0200:

Description:
  Some interplay of the pylab window changing the plot characteristics cause a crash when adding a quiver callback on an interactive plot.

Here is a script that reproduces the errror

from yt.mods import *

pf = load('DD1701')

## This does not work

pc = PlotCollectionInteractive(pf,center=[0.5]*3)

##This does work:

##pc = PlotCollection(pf,center=[0.5]*3)

p = pc.add_slice('Density',0)

p.modify['velocity']()

pc.set_width(0.5,'1')

pc.save()


And the error:

Traceback (most recent call last):
  File "test_script.py", line 13, in <module>
    pc.set_width(0.5,'1')
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_collection.py", line 1587, in pylabify
    retval = func(self, *args, **kwargs)
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_collection.py", line 266, in set_width
    plot.set_width(width, unit)
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_types.py", line 436, in set_width
    self._refresh_display_width()
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_types.py", line 454, in _refresh_display_width
    self._redraw_image()
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_types.py", line 401, in _redraw_image
    self._run_callbacks()
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_types.py", line 258, in _run_callbacks
    cb(self)
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_modifications.py", line 85, in __call__
    return qcb(plot)
  File "/Users/skillman/local/lib/python2.7/site-packages/yt-2.2dev-py2.7-macosx-10.4-x86_64.egg/yt/visualization/plot_modifications.py", line 150, in __call__
    plot._axes.quiver(X,Y, pixX, pixY, scale=self.scale, scale_units=self.scale_units)
  File "/Users/skillman/local/lib/python2.7/site-packages/matplotlib/axes.py", line 6301, in quiver
    q = mquiver.Quiver(self, *args, **kw)
  File "/Users/skillman/local/lib/python2.7/site-packages/matplotlib/quiver.py", line 395, in __init__
    self.XY = np.hstack((X[:,np.newaxis], Y[:,np.newaxis]))
  File "/Users/skillman/local/lib/python2.7/site-packages/numpy/core/shape_base.py", line 258, in hstack
    return _nx.concatenate(map(atleast_1d,tup),1)
ValueError: array dimensions must agree except for d_0




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