Re: [Matplotlib-users] Error in mpl.axes.set_default_color_cycle

[Eric F. <ef...@ha...>]

Yannick Copin wrote:
> Hi,
> 
> I have an error while trying to use mpl.axes.set_default_color_cycle to 
> define my own color cycle based on the set1 colormap:
> 
> In [1]: set1 = array([[228,55, 77, 152,255,255,166,247,153],
>     ...:               [26, 126,175,78, 127,255,86, 129,153],
>     ...:               [28, 184,74, 163,0,  51, 40, 191,153]],'d').T / 255.
> 
> In [2]: mpl.axes.set_default_color_cycle(set1)
> ---------------------------------------------------------------------------
> AttributeError                            Traceback (most recent call last)

I just committed a change that should fix this bug.

Eric

> 
> /autofs/home/ycopin/<ipython console> in <module>()
> 
> /usr/lib/python2.5/site-packages/matplotlib/axes.py in 
> set_default_color_cycle(clist)
>      113     """
>      114     _process_plot_var_args.defaultColors = clist[:]
> --> 115     rcParams['lines.color'] = clist[0]
>      116
>      117 class _process_plot_var_args:
> 
> /usr/lib/python2.5/site-packages/matplotlib/__init__.pyc in 
> __setitem__(self, key, val)
>      588 instead.'% (key, alt))
>      589                 key = alt
> --> 590             cval = self.validate[key](val)
>      591             dict.__setitem__(self, key, cval)
>      592         except KeyError:
> 
> /usr/lib/python2.5/site-packages/matplotlib/rcsetup.pyc in validate_color(s)
>      156 def validate_color(s):
>      157     'return a valid color arg'
> --> 158     if s.lower() == 'none':
>      159         return 'None'
>      160     if is_color_like(s):
> 
> AttributeError: 'numpy.ndarray' object has no attribute 'lower'
> 
> I'm using matplotlib 0.98.3 but I checked on the SVN repository that the 
> offending lines ("rcParams['lines.color'] = clist[0]","if s.lower() == 
> 'none'") are still there.
> 
> Cheers.