d = Delaunay(10000)
d.add(Point2D(100, 100))
for site in sites:
d.add(site)
# test site deletion:
preview = Preview(d)
preview.interactive(True)
preview.set_title("Simulation of remove(site)")
preview.draw_voronoi()
preview.draw_triangulation()
preview.draw_circumcircles()
preview.show()
preview.clear()
preview.process_events()
time.sleep(5)
deleted = []
while (preview.is_running()) and (len(sites) > 0):
i = random.randint(0, len(sites) - 1)
if i in deleted:
continue
deleted.append(i)
preview.draw_voronoi()
preview.draw_voronoi_cell(sites[i])
preview.show()
preview.clear()
preview.process_events()
time.sleep(1)
d.remove(sites[i])
