import clr
# Import DocumentManager and TransactionManager
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument
# Import RevitAPI
clr.AddReference("RevitAPI")
import Autodesk
from Autodesk.Revit.DB import *
# Import ToDSType(bool) extension method
clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)
dTypes = FilteredElementCollector(doc).OfClass(DimensionType)
sTypes = FilteredElementCollector(doc).OfClass(SpotDimensionType)
sTypesName = []
for i in sTypes:
sTypesName.append(i.ToDSType(True).Name)
dimensionTypes = []
for i in dTypes:
if i.ToDSType(True).Name not in sTypesName:
dimensionTypes.append(i.ToDSType(True))
out = dimensionTypes
#Assign your output to the OUT variable
OUT = dimensionTypes