k线动画的新的例子，。树给的。
spl = $Line01
animateVertex spl 2
spl[4][8][2].controller=Point3_XYZ()
animate on
for t = 0 to 20 do
at time t spl[4][8][2][1].value = t
spl = $Line01
animateVertex spl 2
spl[4][8][2].controller=Point3_XYZ()
animate on
for t = 0 to 20 do
at time t spl[4][8][2][1].value = t
