setSeriesNeedle(index, new PointerNeedle());
break;
case 6:
setSeriesPaint(index, null);
setSeriesOutlineStroke(index, new BasicStroke(3));
setSeriesNeedle(index, new ShipNeedle());
break;
case 7:
setSeriesPaint(index, Color.blue);
setSeriesNeedle(index, new WindNeedle());
break;