> I keep getting java.lang.NullPointerException for the following code:
At which line???
But its clear that shape_control is null. You need to pas a
ScalarMap to display.addMap() before you call its getControl().
> ScalarMap shape_map = new ScalarMap(x,Display.Shape);
> VisADGeometryArray[] shapes;
> shapes = new VisADGeometryArray[max_points];
> for(int i=0;i<max_points;i++)
> {
> shapes[i] = makeCube();
> }
> ShapeControl shape_control = (ShapeControl) shape_map.getControl();
> shape_control.setShapeSet(new Integer1DSet(1)); // ERROR on this line
> shape_control.setShapes(shapes);
Bill
