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> I think you can not force these two flux variables to be u and v. You need to > call Formula > Make flow vectors from u and v, and select Define a grid > diagnostic when > a u and v widow popup for both u and v, and then enter newUnit(u, "u", "m/s") > for u and newUnit(v, "v", "m/s") for v, then select u to be uflxqv.... > > I attached a bundle and image I got. > > I repeated the steps, because I wanted vectors colored by magnitude. It works! > > Changing the time driver doesn’t propagate down into the formula. You have to > Reload Data manually, or save and then re-open the bundle to see the IVT at > the new time. > Is this a bug? > > > Thanks, > Brian > > This might be a bug. I think you select Define a grid diagnostic at the beginning and enter: makeVector(newUnit(u, "u", "m/s") , newUnit(v, "v", "m/s") ) in the popup interface, and then select u/v to be uflxqv ..., the time driver will likely work. Yuan Ticket Details =================== Ticket ID: QQQ-492356 Department: Support IDV Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.