SpeedPercentChartCreator percSpeedFactory = new SpeedPercentChartCreator(
speedPercData);
SpeedMaxChartCreator maxSpeedFactory = new SpeedMaxChartCreator(
speedMaxData);
DensityChartCreator densityFactory = new DensityChartCreator(
densityData);
JFreeChart speedPercChart = percSpeedFactory.createChart();
JFreeChart speedMaxChart = maxSpeedFactory.createChart();
JFreeChart densityChart = densityFactory.createChart();
densityPanel = new ChartPanel(densityChart);
speedPercPanel = new ChartPanel(speedPercChart);
speedMaxPanel = new ChartPanel(speedMaxChart);