Ellipse.tangent_at

Ellipse.tangent_at(t, world=True)

Compute the tangent at a specific parameter.

Parameters:

tfloat

The parameter value.

worldbool, optional

If True, the tangent is returned in world coordinates.

Returns:

compas.geometry.Vector

The tangent vector at the parameter.

See also

point_at(), normal_at()

Notes

The orientation of the vector is expressed with respect to the world coordinate system.