[Interpolate Points] command generates a spline curve that interpolates points specified.
For the prompt
Specify the start point
, specify the start point of the spline to
generate.
Pressing D key shows the dialogue to input the degree of the spline.
Pressing S key sets the starting point to osculate to an existing curve.
For the prompt
Specify the next point
, specify the next through point of the spline.
Pressing C key terminates the point input by making the spline closed one.
Pressing E key set the end point to osculate to an existing curve.
Pressing S key makes the spline unsmoothingly closed one.