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I'm currently working on a POP netowork to simulate raindrops on a window, and am trying to isolate the original particles from which the trails (in red) are emitted as per an emit attribute using the POP replicate node, so that I can selecting apply a POP interact force to them. However, I'm really struggling to find a way to isolate those points. I couldnt find any reference to the original points within the POP replicate node, apart from the fact that their ID is added to the sourceptnum attribute. Am I missing an obvious solution? Thanks

I'm attempting to create a polygon ribbons out of multiple streams of particles emitting from points moving around on a surface. I've been having a lot of trouble sectioning the streams into separate groups, so that I can use the add node to add polygons down the chain of particles. I'm not even sure if this is the best way to go about it. I'm using a popnet to create the points moving around the surface of a sphere, which I'm then plugging into another Popnet to emit the streams of particles. In the 'pop_trailsCreation' popnet, I have my emission type set to points. Does someone have a clue how I can create a polygon ribbon / tube moving down each separate stream of Particles? I've been trying to separate each stream based on the @id of each source_point, but I've had no luck in achieving that. Many thanks!!

Very simple scene was made in Houdini. Rendered by mantra Scene by link dropbox.com/s/znam9x90lprlwy5/LIGHT_mushrooms.hip?dl=0