For example, if I have a fluid flowing over a surface, and want the friction coefficient of the surface to vary across the surface using a noise pattern..so that the fluid breaks up in an organic way as it flows down. (this would be a nice way to get good detail without using complex collisions)
Perhaps another way to do it is to vary the separation scale per fluid particle, to get a sort of per-particle viscosity.
Or.. perhaps if all we are doing is modifying the divergence field, some way to modify the existing divergence field to get the desired result?
Either way, these are great ideas however I do not see a way to get at the data and manipulate it. I dont see this data existing as a scalar/vector field anywhere.
Any help would be great thanks!
Edited by anupamd, 01 August 2011 - 12:45 PM.