Curve.tangent_at

Curve.tangent_at(t)

Compute the tangent vector of the curve at a parameter.

Parameters:

tfloat

The value of the curve parameter.

Returns:

compas.geometry.Vector

The corresponding tangent vector.

Raises:

ValueError

If the parameter is not in the curve domain.

See also

point_at(), normal_at(), binormal_at(), frame_at(), curvature_at()