- vd.line(p, p+d, **kw)
- ring(pos=p, axis=d, radius=0.25, thickness=0.005, **kw)
+ print('arrow %s' % repr(kw), file=sys.stderr)
+ bodge_color = kw.get('color', (1,0,0))
+ try: del kw['color']
+ except KeyError: pass
+ vd.line(p, p+d, color=bodge_color, **kw)
+ vd.circle(p, np.asarray(d) * 0.25, color=bodge_color, **kw)