Using SelKeyValue command for BIM purposes

Rhino 5 has a fast RhinoCommon method to do the search, no need to loop, eg:

scriptcontext.doc.Objects.FindByUserString(key, value, caseSensitive)

Note that Rhino 5 had a bug, it searches assignments made to the attributes OK, but not to the geometry. As long as you use the Rhino command _SetUserText _AttachTo=Attributes or

rs.SetUserText(obj_id, key, value, attach_to_geometry=False)

method there is no problem.

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