Example usage for org.jfree.chart.renderer.xy SamplingXYLineRenderer SamplingXYLineRenderer

Introduction

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

Prototype

public SamplingXYLineRenderer() 

Source Link

Document

Creates a new renderer.

Usage

From source file:lu.lippmann.cdb.common.gui.ts.TimeSeriesChartUtil.java

public static ChartPanel buildChartPanelForAllAttributes(final Instances dataSet, final boolean multAxis,
        final int dateIdx, final Color color, final Collection<XYAnnotation> annotations) {
    final TimeSeriesCollection tsDataset = new TimeSeriesCollection();
    final JFreeChart tsChart = ChartFactory.createTimeSeriesChart("", "Time", "Value", tsDataset, true, true,
            false);//ww  w.j  a  va  2s.  c  om
    tsChart.getXYPlot().setBackgroundPaint(Color.WHITE);

    // optimized renderer to avoid to print all points
    tsChart.getXYPlot().setRenderer(new SamplingXYLineRenderer());
    //tsChart.getXYPlot().setRenderer(new XYStepRenderer());

    if (color == null) {
        for (int i = 0; i < dataSet.numAttributes() - 1; i++) {
            final String attrName = dataSet.attribute(i).name();
            tsChart.getXYPlot().getRenderer().setSeriesPaint(i, ColorHelper.getColorForAString(attrName));
        }
    } else {
        tsChart.getXYPlot().getRenderer().setSeriesPaint(0, color);
    }

    if (annotations != null) {
        for (final XYAnnotation aa : annotations)
            tsChart.getXYPlot().addAnnotation(aa);
    }

    if (multAxis)
        fillWithMultipleAxis(dataSet, dateIdx, tsDataset, tsChart);
    else
        fillWithSingleAxis(dataSet, dateIdx, tsDataset);

    final ChartPanel cp = new ChartPanel(tsChart, true);
    if (dataSet.numAttributes() <= 2)
        cp.setBorder(new TitledBorder(dataSet.attribute(0).name()));
    return cp;
}

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