If on, Point
On Curve retains the original curve shape (default name:
lsqModCurven). Default is off.
Point Weight
Specifies how
much influence the point on curve locator constraint should have
on the curve’s shape relative to other point on curve locator constraints.
Set values from 0.1000 (least influence) to 1.0000 (most influence).
Default is 1.0000.
