Arcs exist as an optimization to render really large circles and
ellipses with high accuracy.
An elliptical arc. Because it performs various optimizations, it
can not be filled.
If you want to draw a filled, yet partial, circle, I believe you want to
use Wedge.
Cheers,
Mike
Carlos Guâno Grohmann wrote:
> 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
>
>
--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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