Has anyone successfully gotten the “External Velocity Field” in the Drag tab on a cloth object to work? The docs indicate: “You should not use the Wind Force DOP or any of the other forces in DOPs because they will generate inferior results compared with the Air Drag model.” So I've been trying to pass in a velocity volume, and dutifully using the Drag External Velocity Field slot as instructed, but no matter what I try, I can't get the cloth to respond.

At first, I thought all I had to do was reference the velocity volume directly from the EVF slot, with some sort of syntax: /obj/volumeObject/volumeVelocity1:vel or some such. Failing to get that to work, I searched for example files, and all I found was a Wire Solver example (the Wire setup has a similarly named EVF slot), wherein the velocity volume was loaded into the DOPSolver via a SOP Vector Field DOP and attached to the wire. The EVF field was left at the default “vel”, and the velocity volume was named appropriately (vel.x, vel.y, vel.z). But trying the same thing with the cloth solver still gives no response.

I've attached a simple file that indicates what I thought the correct setup should be. What am I doing wrong here?