Curve.TorsionAt

Public Class

Evaluate the torsion of a curve at a parameter. Sometimes also called the “second curvature”, torsion is the rate of change of a curve’s osculating plane.

Namespace: Rhino.Geometry

Assembly: RhinoCommon (in RhinoCommon.dll)

**Since:**7.10

Syntax

public double TorsionAt(
  double t
)

Parameters

t

Type:System.Double
The evaluation parameter.

Return Value

Type:Double
The torsion if successful.

Remarks

See Barrett O’Neill, Elementary Differential Geometry, page 69.