Java tutorial
package org.jfree.chart.demo; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.text.SimpleDateFormat; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.PeriodAxis; import org.jfree.chart.axis.PeriodAxisLabelInfo; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.IntervalMarker; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.ValueMarker; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.time.Hour; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import org.jfree.data.xy.XYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.Layer; import org.jfree.ui.LengthAdjustmentType; import org.jfree.ui.RectangleAnchor; import org.jfree.ui.RefineryUtilities; import org.jfree.ui.TextAnchor; public class MarkerDemo2 extends ApplicationFrame { private static final long serialVersionUID = 1L; public MarkerDemo2(String s) { super(s); XYDataset xydataset = createDataset(); JFreeChart jfreechart = createChart(xydataset); ChartPanel chartpanel = new ChartPanel(jfreechart); chartpanel.setPreferredSize(new Dimension(500, 270)); chartpanel.setDomainZoomable(true); chartpanel.setRangeZoomable(true); setContentPane(chartpanel); } private static JFreeChart createChart(XYDataset xydataset) { JFreeChart jfreechart = ChartFactory.createXYLineChart("Marker Demo 2", "X", "Temperature", xydataset, PlotOrientation.VERTICAL, false, true, false); XYPlot xyplot = (XYPlot) jfreechart.getPlot(); xyplot.setDomainGridlinePaint(Color.lightGray); xyplot.setDomainGridlineStroke(new BasicStroke(1.0F)); xyplot.setRangeGridlinePaint(Color.lightGray); xyplot.setRangeGridlineStroke(new BasicStroke(1.0F)); xyplot.setRangeTickBandPaint(new Color(240, 240, 240)); PeriodAxis periodaxis = new PeriodAxis(null, new Hour(0, 30, 6, 2005), new Hour(23, 30, 6, 2005)); PeriodAxisLabelInfo aperiodaxislabelinfo[] = new PeriodAxisLabelInfo[2]; aperiodaxislabelinfo[0] = new PeriodAxisLabelInfo(org.jfree.data.time.Hour.class, new SimpleDateFormat("HH")); aperiodaxislabelinfo[1] = new PeriodAxisLabelInfo(org.jfree.data.time.Day.class, new SimpleDateFormat("dd-MMM")); periodaxis.setLabelInfo(aperiodaxislabelinfo); xyplot.setDomainAxis(periodaxis); ValueAxis valueaxis = xyplot.getRangeAxis(); valueaxis.setRange(0.0D, 100D); XYItemRenderer xyitemrenderer = xyplot.getRenderer(); xyitemrenderer.setSeriesPaint(0, Color.green); xyitemrenderer.setSeriesStroke(0, new BasicStroke(2.0F)); ValueMarker valuemarker = new ValueMarker(80D); valuemarker.setLabelOffsetType(LengthAdjustmentType.EXPAND); valuemarker.setPaint(Color.red); valuemarker.setStroke(new BasicStroke(2.0F)); valuemarker.setLabel("Temperature Threshold"); valuemarker.setLabelFont(new Font("SansSerif", 0, 11)); valuemarker.setLabelPaint(Color.red); valuemarker.setLabelAnchor(RectangleAnchor.TOP_LEFT); valuemarker.setLabelTextAnchor(TextAnchor.BOTTOM_LEFT); xyplot.addRangeMarker(valuemarker); Hour hour = new Hour(18, 30, 6, 2005); Hour hour1 = new Hour(20, 30, 6, 2005); double d = hour.getFirstMillisecond(); double d1 = hour1.getFirstMillisecond(); IntervalMarker intervalmarker = new IntervalMarker(d, d1); intervalmarker.setLabelOffsetType(LengthAdjustmentType.EXPAND); intervalmarker.setPaint(new Color(150, 150, 255)); intervalmarker.setLabel("Automatic Cooling"); intervalmarker.setLabelFont(new Font("SansSerif", 0, 11)); intervalmarker.setLabelPaint(Color.blue); intervalmarker.setLabelAnchor(RectangleAnchor.TOP_LEFT); intervalmarker.setLabelTextAnchor(TextAnchor.TOP_RIGHT); xyplot.addDomainMarker(intervalmarker, Layer.BACKGROUND); ValueMarker valuemarker1 = new ValueMarker(d, Color.blue, new BasicStroke(2.0F)); ValueMarker valuemarker2 = new ValueMarker(d1, Color.blue, new BasicStroke(2.0F)); xyplot.addDomainMarker(valuemarker1, Layer.BACKGROUND); xyplot.addDomainMarker(valuemarker2, Layer.BACKGROUND); return jfreechart; } private static XYDataset createDataset() { TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(); TimeSeries timeseries = new TimeSeries("Temperature"); timeseries.add(new Hour(0, 30, 6, 2005), 45.299999999999997D); timeseries.add(new Hour(1, 30, 6, 2005), 48.899999999999999D); timeseries.add(new Hour(2, 30, 6, 2005), 52.100000000000001D); timeseries.add(new Hour(3, 30, 6, 2005), 44.799999999999997D); timeseries.add(new Hour(4, 30, 6, 2005), 49.899999999999999D); timeseries.add(new Hour(5, 30, 6, 2005), 55.5D); timeseries.add(new Hour(6, 30, 6, 2005), 58.200000000000003D); timeseries.add(new Hour(7, 30, 6, 2005), 58.100000000000001D); timeseries.add(new Hour(8, 30, 6, 2005), 63.700000000000003D); timeseries.add(new Hour(9, 30, 6, 2005), 66.299999999999997D); timeseries.add(new Hour(10, 30, 6, 2005), 69.799999999999997D); timeseries.add(new Hour(11, 30, 6, 2005), 70.099999999999994D); timeseries.add(new Hour(12, 30, 6, 2005), 72.400000000000006D); timeseries.add(new Hour(13, 30, 6, 2005), 69.700000000000003D); timeseries.add(new Hour(14, 30, 6, 2005), 68.599999999999994D); timeseries.add(new Hour(15, 30, 6, 2005), 70.900000000000006D); timeseries.add(new Hour(16, 30, 6, 2005), 73.400000000000006D); timeseries.add(new Hour(17, 30, 6, 2005), 77.5D); timeseries.add(new Hour(18, 30, 6, 2005), 82.900000000000006D); timeseries.add(new Hour(19, 30, 6, 2005), 62.100000000000001D); timeseries.add(new Hour(20, 30, 6, 2005), 37.299999999999997D); timeseries.add(new Hour(21, 30, 6, 2005), 40.700000000000003D); timeseries.add(new Hour(22, 30, 6, 2005), 44.200000000000003D); timeseries.add(new Hour(23, 30, 6, 2005), 49.799999999999997D); timeseriescollection.addSeries(timeseries); return timeseriescollection; } public static JPanel createDemoPanel() { JFreeChart jfreechart = createChart(createDataset()); return new ChartPanel(jfreechart); } public static void main(String args[]) { MarkerDemo2 markerdemo2 = new MarkerDemo2("Marker Demo 2"); markerdemo2.pack(); RefineryUtilities.centerFrameOnScreen(markerdemo2); markerdemo2.setVisible(true); } }