Hello !
I’m currently developping a program in which my main objective is to extract the length and height of the walls of a room. (And thus for each one, mainly for the walls that go on the outside)
I’m aware that by using FilteredElementCollector, I could get the Built in “Height” Parameter, but I’d want to do that for a specific room. Is there any possibility to Isolate a room and then apply a code to it ?
Thank you in advance
I don’t have much code, I’m still searching for ideas of what to use from the API, yet I think something like this should work at a certain extent :
every_wall = FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_Walls).WhereElementIsNotElementType().ToElements()
for wall in every_wall:
wall_type = wall.WallType.get_Parameter(BuiltInParameter.ALL_MODEL_TYPE_NAME).AsString()
wall_height = wall.get_Parameter(BuiltInParameter.WALL_USER_HEIGHT_PARAM).AsDouble()
I think the best thing you can do is to use room bounding property. Or cut walls 
Do you mean cut walls manually ?
@Matteo,
to get you fursther and collect walls id per room
from pyrevit import revit, DB, script
output = script.get_output()
output.close_others()
output = script.get_output()
doc = revit.doc
def walls_by_rooms(doc):
rooms = DB.FilteredElementCollector(doc).WhereElementIsNotElementType().OfCategory(DB.BuiltInCategory.OST_Rooms).ToElements()
map_wall_to_rooms = {}
opts = DB.SpatialElementBoundaryOptions()
for room in rooms:
loops = room.GetBoundarySegments(opts)
room_id = str(room.Id.IntegerValue)
room_name = [room.get_Parameter(DB.BuiltInParameter.ROOM_NAME).AsString()]
map_wall_to_rooms[room_id] = []
# or
# map_wall_to_rooms[room_name] = []
for loop in loops:
for segment in loop:
idWall = segment.ElementId.IntegerValue
if(DB.ElementId.InvalidElementId != idWall):
if idWall not in map_wall_to_rooms.values():
map_wall_to_rooms[room_id] += [idWall]
# or
# map_wall_to_rooms[room_name] += [idWall]
return map_wall_to_rooms
print(walls_by_rooms(doc))
This seems pretty effective indeed, thanks a lot, I’ll try to work with that !