Dimension.GetCurve
Dynamo Hierarchy: Rhythm>Revit>Elements>Dimension>Dimension.GetCurve
Description:
This will obtain the underlying curve of the dimension string.
Inputs:
dimension : Dimension
Outputs:
dimensionLine : Curve
Dynamo Hierarchy: Rhythm>Revit>Elements>Dimension>Dimension.GetCurve
Description:
This will obtain the underlying curve of the dimension string.
Inputs:
dimension : Dimension
Outputs:
dimensionLine : Curve
Dynamo Nodes 
Help me, please ! :
import clr
clr.AddReference(‘RevitAPI’)
from Autodesk.Revit.DB import *
clr.AddReference(“ProtoGeometry”)
from Autodesk.DesignScript.Geometry 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
uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument
dims = UnwrapElement(IN[0])
curves=[]
TransactionManager.Instance.EnsureInTransaction(doc)
curves.append((dims.Curve).ToProtoType())
TransactionManager.Instance.TransactionTaskDone()
OUT = curves