public void setPosition(float x, float y){
        float z = getLocalTranslation().getZ();
        setLocalTranslation(x, y, z);
    }
Set the position of the picture in pixels.
The origin (0, 0) is at the bottom-left of the screen.

@param x The x coordinate
@param y The y coordinate
jme3-core/src/main/java/com/jme3/ui/Picture.java