return filterGA;
return (GraphicAttributes)filterGA.clone();
    protected GraphicAttributes getFilterGA() {	if (filterGA == null) {	    filterGA = new GraphicAttributes();	    filterGA.setLinePaint(Color.red);	    filterGA.setRenderType(OMGraphic.RENDERTYPE_LATLON);	    filterGA.setLineType(OMGraphic.LINETYPE_GREATCIRCLE);	    BasicStroke filterStroke =		new BasicStroke(		    1f,		    BasicStroke.CAP_SQUARE,		    BasicStroke.JOIN_MITER,		    10f,		    new float[] { 3, 3 },		    0f);	    filterGA.setStroke(filterStroke);	}	return filterGA;    }