Example usage for org.jfree.chart.axis ValueAxis setLowerMargin

Introduction

In this page you can find the example usage for org.jfree.chart.axis ValueAxis setLowerMargin.

Prototype

public void setLowerMargin(double margin)

Source Link

Document

Sets the lower margin for the axis (as a percentage of the axis range) and sends an AxisChangeEvent to all registered listeners.

Usage

From source file:edu.ucla.stat.SOCR.chart.ChartGenerator_JTable.java

private JFreeChart createXYAreaChart(String title, String xLabel, String yLabel, XYDataset dataset) {

    JFreeChart chart = ChartFactory.createXYAreaChart(title, xLabel, yLabel, dataset, orientation, true, // legend
            true, // tool tips
            false // URLs
    );//from   ww  w .j  a  v  a2  s  .co m

    chart.setBackgroundPaint(Color.white);

    XYPlot plot = chart.getXYPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setForegroundAlpha(0.65f);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);

    if (timeType.length() != 0) {
        setDateAxis(plot);
    } else {
        ValueAxis domainAxis = plot.getDomainAxis();
        domainAxis.setTickMarkPaint(Color.black);
        domainAxis.setLowerMargin(0.0);
        domainAxis.setUpperMargin(0.0);

        ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setTickMarkPaint(Color.black);
    }

    //XYItemRenderer renderer = plot.getRenderer();
    //renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());
    return chart;
}

From source file:org.jfree.chart.ChartFactory.java

/**
 * Creates and returns a time series chart.  A time series chart is an
 * {@link XYPlot} with a {@link DateAxis} for the x-axis and a
 * {@link NumberAxis} for the y-axis.  The default renderer is an
 * {@link XYLineAndShapeRenderer}./*from  w ww . ja va 2  s.  c o m*/
 * <P>
 * A convenient dataset to use with this chart is a
 * {@link org.jfree.data.time.TimeSeriesCollection}.
 *
 * @param title  the chart title ({@code null} permitted).
 * @param timeAxisLabel  a label for the time axis ({@code null}
 *                       permitted).
 * @param valueAxisLabel  a label for the value axis ({@code null}
 *                        permitted).
 * @param dataset  the dataset for the chart ({@code null} permitted).
 *
 * @return A time series chart.
 */
public static JFreeChart createTimeSeriesChart(String title, String timeAxisLabel, String valueAxisLabel,
        XYDataset dataset) {

    ValueAxis timeAxis = new DateAxis(timeAxisLabel);
    timeAxis.setLowerMargin(0.02); // reduce the default margins
    timeAxis.setUpperMargin(0.02);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    valueAxis.setAutoRangeIncludesZero(false); // override default
    XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, null);

    XYToolTipGenerator toolTipGenerator = StandardXYToolTipGenerator.getTimeSeriesInstance();

    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);
    renderer.setDefaultToolTipGenerator(toolTipGenerator);
    plot.setRenderer(renderer);

    JFreeChart chart = new JFreeChart(title, plot);
    currentTheme.apply(chart);
    return chart;

}