Hi Mathias and Doug,
> I recognized a very similar behavior. Every new display seems not to
> realize mouse events. But that seems to be independent of the location
> of the mouse pointer. And a simply mouse move out of the display does
> not work. I have to click somewhere else on the screen and then
> reactivate the display by clicking on it to make the mouse work.
I've been aware of this problem for years. The fact that
a mouse click outside and VisAD frame fixes the problem
strongly indicates that it is not a VisAD bug. Like Doug,
I suspect it is a Java3D/Swing problem.