Mirror sectionview without a copy (Python)

Developers
7

I have gotten as far as… image

perhaps some python gurus would like to chime in… as “expected Plane, got Plane” is not very helpful :thinking:

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

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

doc = DocumentManager.Instance.CurrentDBDocument

clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.GeometryConversion)

clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

from System.Collections.Generic import *

walls = UnwrapElement(IN[0])
planes = IN[1]
rvt_planes =list()
mirrored = list()
e1=[]
count = 0

TransactionManager.Instance.EnsureInTransaction(doc)
for p in planes:
	rvt_planes.append(p)
for w, rp in zip(walls, rvt_planes):
	e1.append(w.Id)
	Icoll = List[ElementId](e1)
	ElementTransformUtils.MirrorElements(doc, Icoll, rp,1)
TransactionManager.Instance.TransactionTaskDone()
		
OUT = "%s elements mirrored" %count
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