johnLIC Posted October 10, 2018 Share Posted October 10, 2018 I made a grain solver simulation, then deleted many stray points from the cached .bgeo. When I do an "upres sand" the points that get generated are different on each frame, so the part of the sim that is supposed to be standing still is sizzling. I think it has something to do with point id's changing every frame. I found a solution from Jeff Wagner that is a script he wrote in 2009. I haven't tried it yet, not sure if it's what I need. Is there a better way? Quote Link to comment Share on other sites More sharing options...
johnLIC Posted October 11, 2018 Author Share Posted October 11, 2018 My bad. I had @pscale -=.01*rand(@ptnum) in a point wrangle node. I guess the sand upres is smart enough to keep track of particles, even though the @ptnum is changing. Sorry for the distraction. Quote Link to comment Share on other sites More sharing options...
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