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Thank you Konstantin! big fan of your videos!

attribdelete is set as render node already not sure I understand what this issue is, jump to operator shows exact material applied to the node

Nowadays you would rather use the group expand node, though: https://www.sidefx.com/docs/houdini/nodes/sop/groupexpand.html group_expand.hip

Try this: 1. attribute promote SOP - turn the uv attribute from vertex to point 2. attribute blur SOP - blur the uv attribute, make sure that the method is set to Edge length and "pin border points" is checked on 3. attribute promote SOP - convert the uv attribute back to vertex. UV_relax.hip

I worked through the spin particles tutorial. The thumbnail looks nothing like the tutorial result. I don't understand why authors do that? This file demonstrates how to make randomly rotating particles lie flat after contact. This technique can be used with RBD debris as well. ap_tut_spin_particles.hiplc

thats cool, didnt see the files! he's using the HORIZONS system, which is very accurate but needs data to be cached and interpolated, or fetched over the internet (which may cause issues on a farm). I implemented the less accurate, continuous offline version with the keplerian formulae. Was very interesting diving into this - looking up to the stars at night has become a lot more exciting to me for sure! Btw, for the stars there's a neat recent post on Erwan Leroy's blog!

I found a solution using a switch solver which does exactly what I needed.

Hi, another method is that this group you created is your preselect group, so lets assume to call it preselect. Now put down another group sop, set it to points, turn off the enable toggle on the first page, go to edge tab, turn it on. Turn on edge depth, and in the points group field choose your preselect group, then adjust your edge depth accordingly. I use this all the time.