Java XYPlot.addAnnotation方法代码示例

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Creates a sample plot.
 * 
 * @return A sample plot.
 */
private CombinedDomainXYPlot createPlot() {
    // create subplot 1...
    XYDataset data1 = createDataset1();
    XYItemRenderer renderer1 = new StandardXYItemRenderer();
    NumberAxis rangeAxis1 = new NumberAxis("Range 1");
    XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
    subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    
    XYTextAnnotation annotation = new XYTextAnnotation("Hello!", 50.0, 10000.0);
    annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
    annotation.setRotationAngle(Math.PI / 4.0);
    subplot1.addAnnotation(annotation);
    
    // create subplot 2...
    XYDataset data2 = createDataset2();
    XYItemRenderer renderer2 = new StandardXYItemRenderer();
    NumberAxis rangeAxis2 = new NumberAxis("Range 2");
    rangeAxis2.setAutoRangeIncludesZero(false);
    XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2);
    subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);

    // parent plot...
    CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new NumberAxis("Domain"));
    plot.setGap(10.0);
    
    // add the subplots...
    plot.add(subplot1, 1);
    plot.add(subplot2, 1);
    plot.setOrientation(PlotOrientation.VERTICAL);
    return plot;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Creates a sample plot.
 * 
 * @return A sample plot.
 */
private CombinedRangeXYPlot createPlot() {
    // create subplot 1...
    XYDataset data1 = createDataset1();
    XYItemRenderer renderer1 = new StandardXYItemRenderer();
    NumberAxis rangeAxis1 = new NumberAxis("Range 1");
    XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
    subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
     
    XYTextAnnotation annotation = new XYTextAnnotation("Hello!", 50.0, 10000.0);
    annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
    annotation.setRotationAngle(Math.PI / 4.0);
    subplot1.addAnnotation(annotation);
     
    // create subplot 2...
    XYDataset data2 = createDataset2();
    XYItemRenderer renderer2 = new StandardXYItemRenderer();
    NumberAxis rangeAxis2 = new NumberAxis("Range 2");
    rangeAxis2.setAutoRangeIncludesZero(false);
    XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2);
    subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT); 

    // parent plot...
    CombinedRangeXYPlot plot = new CombinedRangeXYPlot(new NumberAxis("Range"));
    plot.setGap(10.0);
    
    // add the subplots...
    plot.add(subplot1, 1);
    plot.add(subplot2, 1);
    plot.setOrientation(PlotOrientation.VERTICAL);
    return plot;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Creates a sample plot.
 * 
 * @return A sample plot.
 */
private CombinedDomainXYPlot createPlot() {
    // create subplot 1...
    XYDataset data1 = createDataset1();
    XYItemRenderer renderer1 = new StandardXYItemRenderer();
    NumberAxis rangeAxis1 = new NumberAxis("Range 1");
    XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
    subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    
    XYTextAnnotation annotation 
        = new XYTextAnnotation("Hello!", 50.0, 10000.0);
    annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
    annotation.setRotationAngle(Math.PI / 4.0);
    subplot1.addAnnotation(annotation);
    
    // create subplot 2...
    XYDataset data2 = createDataset2();
    XYItemRenderer renderer2 = new StandardXYItemRenderer();
    NumberAxis rangeAxis2 = new NumberAxis("Range 2");
    rangeAxis2.setAutoRangeIncludesZero(false);
    XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2);
    subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);

    // parent plot...
    CombinedDomainXYPlot plot 
        = new CombinedDomainXYPlot(new NumberAxis("Domain"));
    plot.setGap(10.0);
    
    // add the subplots...
    plot.add(subplot1, 1);
    plot.add(subplot2, 1);
    plot.setOrientation(PlotOrientation.VERTICAL);
    return plot;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Creates a sample plot.
 * 
 * @return A sample plot.
 */
private CombinedRangeXYPlot createPlot() {
    // create subplot 1...
    XYDataset data1 = createDataset1();
    XYItemRenderer renderer1 = new StandardXYItemRenderer();
    NumberAxis rangeAxis1 = new NumberAxis("Range 1");
    XYPlot subplot1 = new XYPlot(data1, null, rangeAxis1, renderer1);
    subplot1.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
     
    XYTextAnnotation annotation 
        = new XYTextAnnotation("Hello!", 50.0, 10000.0);
    annotation.setFont(new Font("SansSerif", Font.PLAIN, 9));
    annotation.setRotationAngle(Math.PI / 4.0);
    subplot1.addAnnotation(annotation);
     
    // create subplot 2...
    XYDataset data2 = createDataset2();
    XYItemRenderer renderer2 = new StandardXYItemRenderer();
    NumberAxis rangeAxis2 = new NumberAxis("Range 2");
    rangeAxis2.setAutoRangeIncludesZero(false);
    XYPlot subplot2 = new XYPlot(data2, null, rangeAxis2, renderer2);
    subplot2.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT); 

    // parent plot...
    CombinedRangeXYPlot plot 
        = new CombinedRangeXYPlot(new NumberAxis("Range"));
    plot.setGap(10.0);
    
    // add the subplots...
    plot.add(subplot1, 1);
    plot.add(subplot2, 1);
    plot.setOrientation(PlotOrientation.VERTICAL);
    return plot;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Creates a chart.
 * 
 * @param dataset  a dataset.
 * 
 * @return A chart.
 */
private static JFreeChart createChart(XYDataset dataset) {

    JFreeChart chart = ChartFactory.createTimeSeriesChart(
        "Legal & General Unit Trust Prices",  // title
        "Date",             // x-axis label
        "Price Per Unit",   // y-axis label
        dataset,            // data
        false,               // create legend?
        true,               // generate tooltips?
        false               // generate URLs?
    );

    chart.setBackgroundPaint(Color.white);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);

    LegendTitle lt = new LegendTitle(plot);
    lt.setItemFont(new Font("Dialog", Font.PLAIN, 9));
    lt.setBackgroundPaint(new Color(200, 200, 255, 100));
    lt.setBorder(new BlockBorder(Color.white));
    lt.setPosition(RectangleEdge.BOTTOM);
    XYTitleAnnotation ta = new XYTitleAnnotation(0.98, 0.02, lt, 
            RectangleAnchor.BOTTOM_RIGHT);
    
    ta.setMaxWidth(0.48);
    plot.addAnnotation(ta);

    XYItemRenderer r = plot.getRenderer();
    if (r instanceof XYLineAndShapeRenderer) {
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
        renderer.setBaseShapesVisible(true);
        renderer.setBaseShapesFilled(true);
    }
    
    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
    
    ValueAxis yAxis = plot.getRangeAxis();
    yAxis.setLowerMargin(0.35);
    return chart;

}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
public GraphGenerator(final String title, AthenaFeatures athenaFeatures, String feature) {
        super(title);
        this.feature = feature;
        final XYDataset dataset = createDatasetFromFeatureData(athenaFeatures, feature);
        final JFreeChart chart = createChart(dataset);
        chart.setTitle("");
        LegendTitle legend = (LegendTitle) chart.getLegend();
        chart.removeLegend();
        Font nwfont = new Font("Arial",1,12);
        legend.setItemFont(nwfont);
        legend.setPosition(RectangleEdge.TOP);
//        legend.setWidth(200);
        legend.setItemLabelPadding(new RectangleInsets(3, 3, 3, 3));
        legend.setHeight(10);
//        legend.setPadding(new RectangleInsets(10, 10, 10, 10));
        XYTitleAnnotation ta = new XYTitleAnnotation(0.99, 0.98, legend, RectangleAnchor.TOP_RIGHT);
        ta.setMaxWidth(0.95);
//        chart.addLegend(legend);

        XYPlot plot = (XYPlot) chart.getPlot();
        plot.setBackgroundPaint(Color.white);
        plot.setDomainZeroBaselinePaint(Color.gray);
        plot.setDomainGridlinePaint(Color.gray);
        plot.setDomainGridlineStroke(new BasicStroke(0.7f));
        plot.setRangeGridlinePaint(Color.gray);
        plot.setRangeGridlineStroke(new BasicStroke(0.7f));
        plot.setDomainMinorGridlinePaint(Color.black);
        plot.addAnnotation(ta);
        final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
        renderer.setSeriesPaint(0, Color.black);
        renderer.setSeriesShape(0, ShapeUtilities.createDiamond(5));
        renderer.setSeriesPaint(1, Color.red);
        renderer.setSeriesShape(1, ShapeUtilities.createUpTriangle(5));
        renderer.setSeriesPaint(2, Color.blue);
        Shape shape  = new Ellipse2D.Double(-5.0,-5.0,10,10);
        renderer.setSeriesShape(2, shape);
        renderer.setShapesFilled(false);
//        renderer.setSeriesShapesVisible(1, false);

        //apply theme
//        StandardChartTheme.createJFreeTheme().apply(chart);

        plot.setRenderer(renderer);
        NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
        yAxis.setLabel(feature + " (K)");
        yAxis.setAxisLineVisible(false);
        yAxis.setTickUnit(new NumberTickUnit(50000));
        yAxis.setNumberFormatOverride(new ByteFormat());
        yAxis.setRange(new Range(0, 160000));
        plot.getRenderer().setBaseItemLabelsVisible(true);
        DateAxis xAxis = (DateAxis) plot.getDomainAxis();
        xAxis.setAxisLineVisible(false);
        xAxis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM-dd-HH:mm:ss"));
        xAxis.setTickUnit(new DateTickUnit(DateTickUnit.MINUTE, 3));
        xAxis.setLabelFont(new Font("Arial",1,12));
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(631, 381));
        chartPanel.setMouseZoomable(true, true);
        setContentPane(chartPanel);
        try { 
            ChartUtilities.saveChartAsPNG(new File("result.png"), chart, 631, 381);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }