Create line perpendicular to the curve

[damdinsuren]

Hello everyone, I am trying to create line perpendicular from solid centroid point to the curve in dynamo, I don`t know how to get the perpendicular line on the curve.
get station from objects.dyn (21.7 KB)
D4C3D_20201028_Without_Pset.dwg (1.1 MB)

[jacob.small]

Curve.ParameterAtPoint and Curve.TangentAtParameter should do the trick.

[damdinsuren]

I think I just did it. Thanks for your advice