Example usage for org.jfree.chart.renderer.xy XYStepAreaRenderer setStepPoint

Introduction

In this page you can find the example usage for org.jfree.chart.renderer.xy XYStepAreaRenderer setStepPoint.

Prototype

public void setStepPoint(double stepPoint) 

Source Link

Document

Sets the step point and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:uk.ac.ed.epcc.webapp.charts.jfreechart.JFreeTimeChartData.java

public TimeChartDataSet addAreaGraph(TimeChartDataSet plot) throws InvalidArgument {
    TimeChartDataSet myplot = addTimeSeries(plot);

    if (!use_bar) {
        if (getItems() < STEP_THRESHOLD || useStep()) {
            //XYAreaRenderer renderer = new XYAreaRenderer(XYAreaRenderer.AREA);
            XYStepAreaRenderer renderer = new XYStepAreaRenderer(XYStepAreaRenderer.AREA);

            renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
            renderer.setStepPoint(0.5); // change step half way between points, dataset set points in middle
            ((XYPlot) chart.getPlot()).setRenderer(myplot.getDatasetId(), renderer, false);
        } else {/*from  ww  w.j a va  2s .  c o  m*/
            XYAreaRenderer renderer = new XYAreaRenderer(XYAreaRenderer.AREA);
            //XYStepAreaRenderer renderer = new XYStepAreaRenderer(XYStepAreaRenderer.AREA);

            renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());

            ((XYPlot) chart.getPlot()).setRenderer(myplot.getDatasetId(), renderer, false);
        }
    } else {
        // plot as bar chart
        XYBarRenderer renderer = new XYBarRenderer();
        renderer.setBarPainter(new StandardXYBarPainter()); // colour blocks not shaded bars
        renderer.setDrawBarOutline(false);
        renderer.setShadowVisible(false);
        renderer.setUseYInterval(false);

        renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
        ((XYPlot) chart.getPlot()).setRenderer(myplot.getDatasetId(), renderer, false);
    }

    return myplot;

}

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