Spline

Draw a Natural Cubic Spline, Cubic B-Spline, or freehand curve.

Mode Settings:

Setting	Data Type	Comments
Method	Natural Cubic Spline | Cubic Basis Spline | Freehand	Choose method
Close Splines	Boolean	Choose whether the spline is a closed path

Natural Cubic Spline Method: Construct a Natural Cubic Spline from multiple control points.

Prompt	Data Type	Comments
Enter Points->End	Point	Input data points, then click End.

Cubic Basis Spline Method: Construct a Cubic Basis Spline from multiple control points.

Prompt	Data Type	Comments
Enter Points->End	Point	Input data points, then click End.

Freehand Method: Freehand curves cannot be closed.

Prompt	Data Type	Comments
First Point	Point	Click to start the curve.
(drag mouse)	Points	Drag the mouse to draw the freehand curve.
Second Point	Point	Click to complete the curve.