Python "TypeError: Parameter must be a Guid"

[scottd (Scott Davidson)]

This will do it. By adding the element to a scriptcontext creates a Guiid:

import rhinoscriptsyntax as rs
import scriptcontext as sc

for i in x:
    id = sc.doc.Objects.Add(i)
    a = rs.Area(id)

print(a)

There is a lot of theories on this:

Automatically bake to a layer and coerce

The coerce* functions are not documented and that is intended. They were written as internal helper methods (not written by me, if that helps, but I may have written them similarly, given time and circumstances) meant as a private implementation detail. It’s all just a long series of tests to see: “What did the user input? – in relationship with what the RhinoScriptSyntax function needs”. This is because Python is weakly typed, and does not carry any information about what variable is declared …