code: protected void paintValues(Graphics g, boolean paintLines) {
  		Point valueLocation;
  		Point lastLocation = null;
  		for (int i = 0; i < getValueCount(); i++) {
  			valueLocation = getPointFor(i);
  			GraphicUtils.fillCircle(g, valueLocation, getPointDiameter());
  			if(paintLines && lastLocation!=null){
  				g.drawLine(lastLocation.x, lastLocation.y, valueLocation.x, valueLocation.y);
  			}
  			lastLocation = valueLocation;
  		}
  	}
docs: Paints diagram-content on the base of the values for different dimensions.
  @param g Graphics context