Line3DRenderEvent lre = new Line3DRenderEvent( source );
Line3DRenderEvent lre = new Line3DRenderEvent( (StructureSource)source );
	public PrimitiveRenderEvent copy( )	{		Line3DRenderEvent lre = new Line3DRenderEvent( source );		if ( lia != null )		{			lre.setLineAttributes( LineAttributesImpl.copyInstance( lia ) );		}		if ( object3D != null )		{			lre.object3D = new Object3D( object3D );		}		return lre;	}