On Sep 22, 2006, at 5:14 PM, Ryan Kadomoto wrote:

> I tried the setBackdrop on the Display3D, but it didn't work quite  
> right.
> If I use setBackdrop(image, true), it renders the graphic as a sphere.
> If I use setBackdrop(image, false), it gives me an error.
> (java.lang.IllegalArgumentException: Width (-1) and height (200)  
> cannot be
> <= 0)

Ryan, this last statement is the one of particular concern to me.   
I've just tested again and have no problems with setBackdrop.  Can  
you provide the full backtrace that came with this exception?