public void createStackedBarChart(final String filename) { StackedBarChart chart = new StackedBarChart(TITLE, X_AXIS, Y_AXIS, new String[] {"A", "B", "C"}); chart.addSeries(SERIE_1, new double[] {1.0, 5.0, 2.0, 3.0, 4.5}); chart.addSeries(SERIE_2, new double[] {2.0, 3.0, 3.0, 1.5, 4.5}); chart.addMatsimLogo(); chart.saveAsPng(filename, 800, 600); }