Luca Pataracchia

Sorry I was unable to see the image you attached. I think I can make a decent guess as to what you are trying to do. If you have a point cloud with a random integer attribute on it you can use a delete sop to remove all the points who's attribute do no match the current frame. You'll want to turn on "delete by expression". You'll also want to turn on "delete non selected". in the expression field you can put something like this: @Frame == @my_attr

I created some crowd training recently chapter 9 has a section on procedural transitions which should give you some ideas. https://www.sidefx.com/tutorials/intro-to-crowds/ [www.sidefx.com]

If memory serves you can pack objects that are already packed. For example you can use a copy to points to instance some packed windows and doors to their appropriate locations on a building. Then you can pack the entire building including the windows and doors you just instanced. The only downside is the opengl display will only do one level of unpacking.