Thought I would post this as a simple GTKagg animation
with patches (after John Hunter fixed it for me :-):
import pygtk, gobject
import matplotlib
matplotlib.use('GTKAgg')
import numpy as np
import matplotlib.pyplot as plt
import pylab
from matplotlib.patches import CirclePolygon, Polygon
fig = plt.figure(figsize=(10,6))
ax = fig.add_subplot(111, autoscale_on=False )
canvas = fig.canvas
plt.axis([-1, 7, -0.5, 2.2])
def update_line():
global x, y
print update_line.cnt_tot
if update_line.background is None:
update_line.background = canvas.copy_from_bbox(ax.bbox)
canvas.restore_region(update_line.background)
x_cir = 1.0 + 0.003*update_line.cnt
if update_line.cir is None:
cir = CirclePolygon((x_cir, 1), 0.3, animated=True, \
resolution=12, lw=2 )
ax.add_patch(cir)
update_line.cir = cir
else:
update_line.cir._xy = x_cir, 1
update_line.cir._update_transform()
ax.draw_artist(update_line.cir)
canvas.blit(ax.bbox)
if update_line.direction == 0:
update_line.cnt += 1
update_line.cnt_tot += 1
if update_line.cnt > 500:
update_line.direction = 1
else:
update_line.cnt -= 1
update_line.cnt_tot += 1
if update_line.cnt < 100:
update_line.direction = 0
return update_line.cnt<100000
update_line.cnt = 0
update_line.cnt_tot = 0
update_line.direction = 0
update_line.background = None
update_line.cir = None
def start_anim(event):
gobject.idle_add(update_line)
canvas.mpl_disconnect(start_anim.cid)
start_anim.cid = canvas.mpl_connect('draw_event', start_anim)
plt.show()
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