Example usage for org.jfree.chart.renderer.category MinMaxCategoryRenderer setObjectIcon

Introduction

In this page you can find the example usage for org.jfree.chart.renderer.category MinMaxCategoryRenderer setObjectIcon.

Prototype

public void setObjectIcon(Icon icon) 

Source Link

Document

Sets the icon drawn for each data item and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:com.googlecode.jchav.chart.MinMeanMaxChart.java

/**
 * Construct a new chart to display the given data.
 *
 * @param title The page id, used for the title of the chart.
 * @param data the data to plot.// ww w  .j  av a 2s.  c  om
 */
public MinMeanMaxChart(final String title, final SortedSet<Measurement> data) {
    // The renderer that does all the real work here:
    final MinMaxCategoryRenderer minMaxRenderer = new MinMaxCategoryRenderer();
    minMaxRenderer.setObjectIcon(new FilledCircle());

    // Munge the data into form JFreeChart can use:
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    for (Measurement m : data) {
        // This ordering gives max=red, min=green, mean=blue
        dataset.addValue(m.getMaximumTime(), "max", m.getBuildId().getBuildName());
        dataset.addValue(m.getAverageTime(), "mean", m.getBuildId().getBuildName());
        dataset.addValue(m.getMinimumTime(), "min", m.getBuildId().getBuildName());
    }

    // Create the plot area:
    final CategoryPlot plot = new CategoryPlot();
    plot.setDataset(dataset);
    plot.setRenderer(minMaxRenderer);
    plot.setDomainAxis(new CategoryAxis("Build")); // TO DO: i18n
    plot.setRangeAxis(new NumberAxis("RT"));

    // Build labels running diagonally under the bars of the chart.
    plot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);

    plot.setOrientation(PlotOrientation.VERTICAL);
    plot.setRangeGridlinesVisible(true);
    plot.setDomainGridlinesVisible(false);

    // the legend here would be the "min", "max", "mean" strings used when created int category data set.
    boolean showLegend = true;

    // Render the chart:
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, showLegend);
    chart.setTitle(title);
    chart.setBackgroundPaint(Color.WHITE);
    chart.setBorderVisible(false);

    if (showLegend) {
        chart.getLegend().setBorder(BlockBorder.NONE);
    }

    this.setChart(chart);

}

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