VolumeTrail practice & Glow shader
Hey, this is once again just the VolumeTrail SOP advecting some points scattered onto a grid, with periodic noise applied to the velocity volume (vel.*). Check out this tut by Entagma for the basic setup: https://vimeo.com/184145249
The width attrib is set to numpt (total number of points) minus ptnum (point number) times 0.1 for all the strands in a point wrangle after the VolumeTrail SOP, hence this weird result when rendering in Mantra with a glow shader applied (lots of strands - lots of points, so width gets pretty big),
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