SpotCoordinate.ByPoint error

[SeanP]

Yes, but a vector (line/curve) from the origin.

See if this post can help you.
https://thebuildingcoder.typepad.com/blog/2010/01/spot-elevation-creation-on-top-of-beam.html

Or this

Spot coordinates

Maybe like this? Worked for me. [Aantekening%202019-08-14%20150349] import clr clr.AddReference('RevitAPI') from Autodesk.Revit.DB import * clr.AddReference("RevitNodes") import Revit clr.ImportExtensions(Revit.GeometryConversion) clr.AddReference("RevitServices") import RevitServices from RevitServices.Persistence import DocumentManager from RevitServices.Transactions import TransactionManager doc = DocumentManager.Instance.CurrentDBDocument v = UnwrapElement(IN[2]) r = UnwrapElement(IN[…