Got this idea yesterday after being inspired by Michael Stark posting a variant of my surface spheres setup... In this setup I'm just combining the differential lines POP technique with the advect by point sorting thingie. :)
Scene files:
https://drive.google.com/open?id=0B6IjWrRnlE0deTVWX3JQaWpKTGM
https://drive.google.com/open?id=0B6IjWrRnlE0dQWp0Uk9BYUMxaUU