Hide/Uncheck Visibility for Layer in Linked DWG CAD File

Revit
6

Hi @Mark.Ackerley

No problem, just get the category of the import instance then its sub categories:

#Copyright 2019. All rights reserved. Bimorph Consultancy LTD, 5 St Johns Lane, London EC1M 4BH www.bimorph.com
#Written by Thomas Mahon @Thomas__Mahon info@bimorph.com Package: BimorphNodes
#GitHub: https://github.com/ThomasMahon/bimorphNodes/
#Follow: facebook.com/bimorphBIM | linkedin.com/company/bimorph-bim | @bimorphBIM

import clr

# Import ToDSType(bool) extension method
clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)

# Import DocumentManager and TransactionManager
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

# Import RevitAPI
clr.AddReference("RevitAPI")
import Autodesk
from Autodesk.Revit.DB import *

doc = DocumentManager.Instance.CurrentDBDocument

importInstance = UnwrapElement(IN[0])
view = UnwrapElement(IN[1])
layerName = IN[2]
visible = IN[3]

doc = DocumentManager.Instance.CurrentDBDocument

TransactionManager.Instance.EnsureInTransaction(doc)

catSub = importInstance.Category.SubCategories
cat = catSub.get_Item(layerName)

cat.set_Visible(view, visible)

TransactionManager.Instance.TransactionTaskDone()

OUT = importInstance
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