...
Click on “EDIT” and select a control point to change the parameter's settings. “@ CP radial” introduces a force around the control points.
@ CP @ CP vortex
Click on “EDIT” and select a control point to change the parameter's settings. “@ CP vortex” creates a rotational force around the spline's path. Positive values create a clockwise rotation, negative values create a counter-clockwise rotation.
...
With “Smooth” both tangents are affected while moving a single handle. When you switch to “Broken” the tangents can be edited separately.
@ CP handle
...
weighting
When set to “Even” both tangents have the same influence on the spline's curvature. With “Uneven” the tangents' influence is treated individually.