Grouping Categories through BoolMask Error

Revit
#1

Hello,

This script is designed to order categories into 3 lists;

  • Rooms
  • Doors
  • Obstacles (Walls, CW Panels, and Stairs)

I cannot get the boolmask to show all categories above (except stairs - added separately). I have tried many different level arrangements with no luck. List.Join should show 5 lists; rooms, stairs, doors, walls, curtain wall panels. Can anyone help?

Thanks

image

#2

So … you basicly want to
get all elements from a certain level and you want 3 lists and you want to create a minimal approach?

not so minimal approach:
boolmask rooms from elements at level
boolmask doors from elements at level
same for walls, cw panels, stairs (combine those lists later on)

??

#3

Use ‘Group by Key’ with the element categories as their key, then use ‘Index by Value’ [comparing the categroies you want and the key list] and then using ‘Get Item at Index’ should accomplish what you’re after.

#4

Like this?

Capture

items = IN[0]
sorters = IN[1]
newlist = []

for a in sorters:

	sublist = []
	for i in items:
		if i == a:
			sublist.append(i)
	newlist.append(sublist)

OUT = newlist
#5

This should explain my previous post.

I have shown two endings, as I am unsure on whether you want to use custom nodes. (it is handy to know the non-custom solution as the Rhythm Node struggles with ‘Lists of Lists’)

GroupbyKey.dyn (10.2 KB)
GroupbyKey-Demo

#6

Thank you for this reply.

It worked quite efficiently - better than my method.

3 pinter, I have not tried your ,method, as this worked fine. Thank you all the same.