def polyarc(arcs, color = 'b', linewidth=1, alpha=1,
capstyle='butt', joinstyle='miter'):
""" """
for arc in arcs:
if abs(arc.d) < 1e-5:
verts = [(arc.p0.x,arc.p0.y), (arc.p1.x,arc.p1.y)]
codes = [Path.MOVETO, Path.LINETO]
path = Path(verts, codes)
arc = patches.PathPatch(path,
linewidth = linewidth,
edgecolor = color,
facecolor = 'None',
alpha = alpha)
else:
center,radius, angle0, angle1, negative = arc.to_conventional()
angle0 = 180*angle0/math.pi
angle1 = 180*angle1/math.pi
if negative:
angle0, angle1 = angle1, angle0
arc = Arc(center, 2*radius, 2*radius, 0, angle0, angle1,
color=color, linewidth = linewidth, alpha=alpha)
arc.set_path_effects([PathEffects.Stroke(capstyle=capstyle,
joinstyle=joinstyle )])
plt.gca().add_artist(arc)
plt.xticks([])
plt.yticks([])
