SplineDots

As of Version 7.0, some of the functionality of the Splines Package is now built into the Wolfram Language kernel. »

SplineDots

is an option for Spline that specifies a style for a point.

Details and Options

To use SplineDots, you first need to load the Splines Package using Needs["Splines`"].
SplineDots->style specifies to render points with the given graphics directive or list of directives.
SplineDots->None specifies that nothing should appear at each spline control point.
SplineDots->Automatic specifies that a red dot is placed at each point.

Bézier splines only go through the endpoints:

Cubic splines go through all the points:

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