Selecting rooms

Revit
1

Hi all,

I’m trying to select all the rooms on a level. Which shouldn’t be to hard I would reckon, however I don’t get it to work. I filter more elements and lists like I did now, but somehow it is only returning a single room.

Any suggestions?

Thanks in advance!

rooms%20per%20laag
rooms per laag.png1420×456 24.7 KB

2

looks like you are iterating over a list of levels not rooms @ ListFilterByBoolMask

4

I think you need to use Cross Product Lacing for the String.Contains node. Can you post the graph with all relevant previews visible?

Also usually I do it this way:

RoomFilter
RoomFilter.png1926×590 48.4 KB

2 Likes
5

With Cross product on the String contains node I get 117 emty lists. So that number is correct but without input.
I can also use the Spring node the select by category, but I would prefer more Dynamo native. That way other people don’t have to update their packages.

Capture
Capture.png1518×1002 96 KB

6

I didn’t use the cross product in this capture btw…

7

Ok, what is wrong in your graph is the second Element.Name node (the one connected to rooms), because you get the name of the rooms, you should use instead String.FromObject.

Anyway I suggest you to use the graph I showed you, for the following reason:

  • Your graph: select all the object on a level (+3000), compare them with room (+400)
  • My graph: select all the rooms (+400), compare them with levels (5-10 maybe?)

As you can see, it will take less time to process it in this way.

8

Yes it took a long time to process with the cross product. You way is working fine! So I’m using that one. Thnks!

9

List.ContainsItem might be faster than String.Contains.