deleteRoomTagsByView.py

#Copyright(c) 2015, Konrad K Sobon
# @arch_laboratory, http://archi-lab.net

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

# Import Element wrapper extension methods
clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)

# Import geometry conversion extension methods
clr.ImportExtensions(Revit.GeometryConversion)

# Import DocumentManager and TransactionManager
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

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

from System.Collections.Generic import *

#The inputs to this node will be stored as a list in the IN variable.
dataEnteringNode = IN

rooms = UnwrapElement(IN[0])
views = UnwrapElement(IN[1])
runMe = IN[2]

#"Start" the transaction
TransactionManager.Instance.EnsureInTransaction(doc)

if runMe:
	roomTags = []
	idsToDelete = List[ElementId]()
	for room, view in zip(rooms, views):
		filter = ElementOwnerViewFilter(view.Id)
		collector = FilteredElementCollector(doc).WherePasses(filter).OfCategory(BuiltInCategory.OST_RoomTags).ToElementIds()
		if len(collector) != 0:
			for i in collector:
				idsToDelete.Add(i)
	doc.Delete(idsToDelete)
else:
	roomTags = "Run Me set to False"

# "End" the transaction
TransactionManager.Instance.TransactionTaskDone()

#Assign your output to the OUT variable
OUT = rooms, views