"Brobbey,Isaac" wrote:
>
> hi all:
>
> this is a portion of my code which i have in my cellImpl.
>
> DisplayRenderer dr = display.getDisplayRenderer();
> MouseBehavior mb = dr.getMouseBehavior();
> double[] position1 = null;
> if (display instanceof DisplayImplJ3D)
> {
> position1 = new double[] { 1.0, 1.0, 1.0};
> }
> int[] screen1 = mb.getScreenCoords(position1);
> System.out.println("screen1 = (" + screen1[0] + ", " + screen1[1]
> +" " +screen1[2]+")");
> }
> }
> };
> cellfield2d.addReference(ref);
>
> when i click the right mouse, i get the error below
>
> java.lang.ArrayIndexOutOfBoundsException
> at Spikesxxx$1.doAction(Spikesxxx.java:176)
> at visad.ActionImpl.run(ActionImpl.java:243)
> at visad.util.ThreadPool$ThreadMinnow.run(ThreadPool.java:95)
>
> it seemns i am getting only 2 coordinates instead of 3. the missing one will
> be the z-axis component. am i doing something wrong or missing something ?
> what can possibly cause only two coordinates to be read ?
Screen coordinates are two-dimensional: line and element.
So the getScreenCoords() method returns an int[2] array.
Bill
