If there is a simpler way to achieve this, I would of course
> be interested. In general I think it would be nice to
> change the joinstyle with a simple command, either globally
> or even better on a line-by-line basis. Is this possible
> already now in some way?
> There is no better way. I have been holding off on exposing
> this because I didn't see a clear way to handle it because
> dashed and solid lines have different default cap and join
> styles. It is now clear that c good solution is to expose
> dash_capstyle, dash_joinstyle, solid_capstyle,
> solid_joinstyle, as rc params and line properties.
> Any forseeable problems with this approach?
OK, I went ahead with this approach (lines.py CVS revision 1.32 or
later). Only lightly tested. I'm already having fun with the new
kwargs to axes, as this testscript illustrates
from pylab import *
y = [0.1, 0.9, 0.1, 0.9]
axd = dict(xlim=(0,2), ylim=(0,1), autoscale_on=False)
ax1 = subplot(311, **axd)