Have you tried specifying a value for fill?
2009/5/18 Carlos "Guâno" Grohmann <carlos.grohm...@gmail.com>:
> Hello all
>
> I'm having some troubles with Arcs in MPL. Using the following code:
>
> circ = Arc( (0,0), width=2, height=2, angle=0.0,
> theta1=0.0, theta2=360.0, ec=None, fc=None)
> axes.add_patch(circ)
>
> gives:
>
> Traceback (most recent call last):
> File "pystereo22.py", line 524, in onPlotRose
> circ = Arc( (0,0), width=2, height=2, angle=0.0, theta1=0.0,
> theta2=360.0, ec=None, fc='none')
> File "/usr/lib/python2.5/site-packages/matplotlib/patches.py", line
> 1043, in __init__
> fill = kwargs.pop('fill')
> KeyError: 'fill'
>
>
> It's working fine with Circle or Ellipse. I'm trying to use Arc
> because I only want a half-circle.
>
> Thanks all
>
> --
> Carlos Henrique Grohmann - Geologist D.Sc.
> a.k.a. Guano - Linux User #89721
> ResearcherID: A-9030-2008
> carlos dot grohmann at gmail dot com
> http://www.igc.usp.br/pessoais/guano/
> _________________
> "Good morning, doctors. I have taken the liberty of removing Windows
> 95 from my hard drive."
> --The winning entry in a "What were HAL's first words" contest judged
> by 2001: A SPACE ODYSSEY creator Arthur C. Clarke
>
> Can’t stop the signal.
>
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