This class defines a dependent point that lies at a point or relative to it. It is a point constrained relative to another point. This can be a point used to define a point surface or point curve, it can be a trim point, or just a point in space. There are two ways to specify the displacement of the point’s location relative to the U position:
Any of the object's properties may be set via optional keyword arguments on the constructor.
The parent point by NURBSet index.