ReferencePlane within Element

Revit
2

Hi,
you can get the reference planes with the method FamilyInstance.GetReferenceByName and indicate which reference you want, in this case I took “Center (Left/Right)”.

Apparently the node you are using takes only model lines as reference, so it’s just easier to use doc.Create.NewDimension in Python, it’s basically working in the same way.

DimensionReference
DimensionReference.png766×440 19 KB

ReferenceDimension
ReferenceDimension.PNG880×408 2.13 KB 

import clr

clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
from Autodesk.Revit.DB.Structure import *

clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

doc = DocumentManager.Instance.CurrentDBDocument
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument

#Input
element = UnwrapElement(IN[0])
line = UnwrapElement(IN[1]).GeometryCurve
ref = ReferenceArray()

TransactionManager.Instance.EnsureInTransaction(doc)

#Get Reference Planes from Families
for x in element:
	a = FamilyInstance.GetReferenceByName(x,"Center (Left/Right)")
	ref.Append(a)

#Create Dimension
dimension = doc.Create.NewDimension(doc.ActiveView,line,ref)

TransactionManager.Instance.TransactionTaskDone()
	
OUT = dimension

Let me know if it works

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