Java tutorial
package org.jfree.chart.demo; import java.awt.Color; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.annotations.XYPointerAnnotation; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.block.BlockContainer; import org.jfree.chart.block.BorderArrangement; import org.jfree.chart.block.EmptyBlock; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.chart.title.CompositeTitle; import org.jfree.chart.title.LegendTitle; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RectangleEdge; import org.jfree.ui.RefineryUtilities; import org.jfree.ui.TextAnchor; public class AnnotationDemo2 extends ApplicationFrame { private static final long serialVersionUID = 1L; public AnnotationDemo2(String s) { super(s); setContentPane(createDemoPanel()); } private static XYDataset createDataset1() { XYSeries xyseries = new XYSeries("Random Data 1"); xyseries.add(1.0D, 181.80000000000001D); xyseries.add(2D, 167.30000000000001D); xyseries.add(3D, 153.80000000000001D); xyseries.add(4D, 167.59999999999999D); xyseries.add(5D, 158.80000000000001D); xyseries.add(6D, 148.30000000000001D); xyseries.add(7D, 153.90000000000001D); xyseries.add(8D, 142.69999999999999D); xyseries.add(9D, 123.2D); xyseries.add(10D, 131.80000000000001D); xyseries.add(11D, 139.59999999999999D); xyseries.add(12D, 142.90000000000001D); xyseries.add(13D, 138.69999999999999D); xyseries.add(14D, 137.30000000000001D); xyseries.add(15D, 143.90000000000001D); xyseries.add(16D, 139.80000000000001D); xyseries.add(17D, 137D); xyseries.add(18D, 132.80000000000001D); XYSeriesCollection xyseriescollection = new XYSeriesCollection(); xyseriescollection.addSeries(xyseries); return xyseriescollection; } private static XYDataset createDataset2() { XYSeries xyseries = new XYSeries("Random Data 2"); xyseries.add(1.0D, 429.60000000000002D); xyseries.add(2D, 323.19999999999999D); xyseries.add(3D, 417.19999999999999D); xyseries.add(4D, 624.10000000000002D); xyseries.add(5D, 422.60000000000002D); xyseries.add(6D, 619.20000000000005D); xyseries.add(7D, 416.5D); xyseries.add(8D, 512.70000000000005D); xyseries.add(9D, 501.5D); xyseries.add(10D, 306.10000000000002D); xyseries.add(11D, 410.30000000000001D); xyseries.add(12D, 511.69999999999999D); xyseries.add(13D, 611D); xyseries.add(14D, 709.60000000000002D); xyseries.add(15D, 613.20000000000005D); xyseries.add(16D, 711.60000000000002D); xyseries.add(17D, 708.79999999999995D); xyseries.add(18D, 501.60000000000002D); XYSeriesCollection xyseriescollection = new XYSeriesCollection(); xyseriescollection.addSeries(xyseries); return xyseriescollection; } private static JFreeChart createChart() { XYDataset xydataset = createDataset1(); JFreeChart jfreechart = ChartFactory.createXYLineChart("Annotation Demo 2", "Date", "Price Per Unit", xydataset, PlotOrientation.VERTICAL, false, true, false); XYPlot xyplot = (XYPlot) jfreechart.getPlot(); NumberAxis numberaxis = (NumberAxis) xyplot.getRangeAxis(); numberaxis.setAutoRangeIncludesZero(false); NumberAxis numberaxis1 = new NumberAxis("Secondary"); numberaxis1.setAutoRangeIncludesZero(false); xyplot.setRangeAxis(1, numberaxis1); xyplot.setDataset(1, createDataset2()); xyplot.mapDatasetToRangeAxis(1, 1); XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyplot.getRenderer(); xylineandshaperenderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance()); xylineandshaperenderer.setBaseShapesVisible(true); xylineandshaperenderer.setBaseShapesFilled(true); XYPointerAnnotation xypointerannotation = new XYPointerAnnotation("Annotation 1 (2.0, 167.3)", 2D, 167.30000000000001D, -0.78539816339744828D); xypointerannotation.setTextAnchor(TextAnchor.BOTTOM_LEFT); xypointerannotation.setPaint(Color.red); xypointerannotation.setArrowPaint(Color.red); xylineandshaperenderer.addAnnotation(xypointerannotation); XYLineAndShapeRenderer xylineandshaperenderer1 = new XYLineAndShapeRenderer(true, true); xylineandshaperenderer1.setSeriesPaint(0, Color.black); xylineandshaperenderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance()); XYPointerAnnotation xypointerannotation1 = new XYPointerAnnotation("Annotation 2 (15.0, 613.2)", 15D, 613.20000000000005D, 1.5707963267948966D); xypointerannotation1.setTextAnchor(TextAnchor.TOP_CENTER); xylineandshaperenderer1.addAnnotation(xypointerannotation1); xyplot.setRenderer(1, xylineandshaperenderer1); LegendTitle legendtitle = new LegendTitle(xylineandshaperenderer); LegendTitle legendtitle1 = new LegendTitle(xylineandshaperenderer1); BlockContainer blockcontainer = new BlockContainer(new BorderArrangement()); blockcontainer.add(legendtitle, RectangleEdge.LEFT); blockcontainer.add(legendtitle1, RectangleEdge.RIGHT); blockcontainer.add(new EmptyBlock(2000D, 0.0D)); CompositeTitle compositetitle = new CompositeTitle(blockcontainer); compositetitle.setPosition(RectangleEdge.BOTTOM); jfreechart.addSubtitle(compositetitle); return jfreechart; } public static JPanel createDemoPanel() { JFreeChart jfreechart = createChart(); return new ChartPanel(jfreechart); } public static void main(String args[]) { AnnotationDemo2 annotationdemo2 = new AnnotationDemo2("Annotation Demo 2"); annotationdemo2.pack(); RefineryUtilities.centerFrameOnScreen(annotationdemo2); annotationdemo2.setVisible(true); } }