Re: [Matplotlib-users] BrokenBarHCollection with pandas timeseries

[Benjamin R. <ben...@ou...>]

Does the workaround posted here fix things for you?
https://github.com/matplotlib/matplotlib/issues/3727#issuecomment-60899590

On Tue, Dec 2, 2014 at 10:43 AM, Fabien <fab...@gm...> wrote:

> On 02.12.2014 16:34, Benjamin Root wrote:
> > Please provide the full traceback
>
> sure, I pasted the traceback below. Here are the pandas infos:
>
> In [17]: df.info()
> <class 'pandas.core.frame.DataFrame'>
> DatetimeIndex: 5 entries, 1950-01-01 00:00:00 to 1950-05-01 00:00:00
> Freq: MS
> Data columns (total 2 columns):
> data    5 non-null int64
> cond    5 non-null bool
> dtypes: bool(1), int64(1)
> memory usage: 85.0 bytes
>
> In [18]: df.index
> Out[18]:
> <class 'pandas.tseries.index.DatetimeIndex'>
> [1950-01-01, ..., 1950-05-01]
> Length: 5, Freq: MS, Timezone: None
>
>
> In [19]: df.index.values
> Out[19]:
> array(['1950-01-01T00:00:00.000000000Z', '1950-02-01T00:00:00.000000000Z',
>         '1950-03-01T00:00:00.000000000Z', '1950-04-01T00:00:00.000000000Z',
>         '1950-05-01T00:00:00.000000000Z'], dtype='datetime64[ns]')
>
>
> Traceback:
>
> In [16]: c = span_where(df.index, ymin=0, ymax=4, where=df['cond'],
> color='green')
> ---------------------------------------------------------------------------
> TypeError                                 Traceback (most recent call last)
> <ipython-input-16-d033044a6db2> in <module>()
> ----> 1 c = span_where(df.index, ymin=0, ymax=4, where=df['cond'],
> color='green')
>
>
> /home/mowglie/.pyvirtualenvs/py3.3/lib/python3.3/site-packages/matplotlib/collections.py
> in span_where(x, ymin, ymax, where, **kwargs)
>      871
>      872         collection = BrokenBarHCollection(
> --> 873             xranges, [ymin, ymax - ymin], **kwargs)
>      874         return collection
>      875
>
>
> /home/mowglie/.pyvirtualenvs/py3.3/lib/python3.3/site-packages/matplotlib/collections.py
> in __init__(self, xranges, yrange, **kwargs)
>      851                   (xmin + xwidth, ymin),
>      852                   (xmin, ymin)] for xmin, xwidth in xranges]
> --> 853         PolyCollection.__init__(self, verts, **kwargs)
>      854
>      855     @staticmethod
>
>
> /home/mowglie/.pyvirtualenvs/py3.3/lib/python3.3/site-packages/matplotlib/collections.py
> in __init__(self, verts, sizes, closed, **kwargs)
>      799         Collection.__init__(self, **kwargs)
>      800         self.set_sizes(sizes)
> --> 801         self.set_verts(verts, closed)
>      802
>      803     def set_verts(self, verts, closed=True):
>
>
> /home/mowglie/.pyvirtualenvs/py3.3/lib/python3.3/site-packages/matplotlib/collections.py
> in set_verts(self, verts, closed)
>      819                     codes[0] = mpath.Path.MOVETO
>      820                     codes[-1] = mpath.Path.CLOSEPOLY
> --> 821                     self._paths.append(mpath.Path(xy, codes))
>      822                 else:
>      823                     self._paths.append(mpath.Path(xy))
>
>
> /home/mowglie/.pyvirtualenvs/py3.3/lib/python3.3/site-packages/matplotlib/path.py
> in __init__(self, vertices, codes, _interpolation_steps, closed, readonly)
>      135             vertices = vertices.astype(np.float_).filled(np.nan)
>      136         else:
> --> 137             vertices = np.asarray(vertices, np.float_)
>      138
>      139         if codes is not None:
>
>
> /home/mowglie/.pyvirtualenvs/py3.3/lib/python3.3/site-packages/numpy/core/numeric.py
> in asarray(a, dtype, order)
>      460
>      461     """
> --> 462     return array(a, dtype, copy=False, order=order)
>      463
>      464 def asanyarray(a, dtype=None, order=None):
>
> TypeError: float() argument must be a string or a number
>
>
>
>
>
>
>
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