public ChartPanel createChart(){
        JFreeChart chart = ChartFactory.createPieChart3D(chartTitle, dataset, false, true, false);
        PiePlot3D plot = (PiePlot3D) chart.getPlot();
        plot.setStartAngle(180);
        plot.setDirection(Rotation.CLOCKWISE);
        plot.setForegroundAlpha(0.5f);
        plot.setLabelGap(0.02);
        plot.setLabelOutlinePaint(null);
        plot.setLabelShadowPaint(null);
        return new ChartPanel(chart);
    }