Java 类org.jfree.chart.axis.NumberAxis 实例源码

/**
 * Creates a polar plot for the specified dataset (x-values interpreted as 
 * angles in degrees).  The chart object returned by this method uses a 
 * {@link PolarPlot} instance as the plot, with a {@link NumberAxis} for 
 * the radial axis.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param dataset  the dataset (<code>null</code> permitted).
 * @param legend  legend required?
 * @param tooltips  tooltips required?
 * @param urls  URLs required?
 *
 * @return A chart.
 */
public static JFreeChart createPolarChart(String title,
                                          XYDataset dataset,
                                          boolean legend,
                                          boolean tooltips,
                                          boolean urls) {

    PolarPlot plot = new PolarPlot();
    plot.setDataset(dataset);
    NumberAxis rangeAxis = new NumberAxis();
    rangeAxis.setAxisLineVisible(false);
    rangeAxis.setTickMarksVisible(false);
    rangeAxis.setTickLabelInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
    plot.setAxis(rangeAxis);
    plot.setRenderer(new DefaultPolarItemRenderer());
    JFreeChart chart = new JFreeChart(
            title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    return chart;

}

/**
 * Creates a new thermometer plot, using default attributes where necessary.
 *
 * @param dataset  the data set.
 */
public ThermometerPlot(ValueDataset dataset) {

    super();

    this.padding = new RectangleInsets(UnitType.RELATIVE, 0.05, 0.05, 0.05, 
            0.05);
    this.dataset = dataset;
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    NumberAxis axis = new NumberAxis(null);
    axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    axis.setAxisLineVisible(false);

    setRangeAxis(axis);
    setAxisRange();
}

private void plotSeperate(XYDataset dataset, String p)
  {
    NumberAxis rangeAxis1 = new NumberAxis(p);
rangeAxis1.setAutoRangeIncludesZero(false);     // override default
rangeAxis1.setLowerMargin(0.40);                // to leave room for volume bars
DecimalFormat format = new DecimalFormat("0");
rangeAxis1.setNumberFormatOverride(format);

final ValueAxis timeAxis = new DateAxis("Date");
timeAxis.setLowerMargin(0.02);                  // reduce the default margins
timeAxis.setUpperMargin(0.02);

XYPlot plot = new XYPlot(dataset, timeAxis, rangeAxis1, null);

XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
renderer1.setBaseToolTipGenerator(
    new StandardXYToolTipGenerator(
        StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
        new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00#")
    )
);
plot.setRenderer(0, renderer1);

final CombinedDomainXYPlot cplot1 = (CombinedDomainXYPlot)this.candlestickChart.getPlot();
if (plot != null) cplot1.add(plot, 1);      // weight is 1.
  }

public void raster(Collection<Spike> spikes,String title)
{   
    CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new NumberAxis("Time"));

    // Build a plot for each layer
    for (int i=0; i<net.nLayers(); i++)
        plot.add(layerRaster(spikes,net.lay(i)),1);

    JFreeChart chart= new JFreeChart("Raster: "+title,JFreeChart.DEFAULT_TITLE_FONT, plot,true);

    // Put it in a frame!
    JFrame fr=new JFrame();
    fr.getContentPane().add(new ChartPanel(chart));
    fr.setSize(1200,1000);
    fr.setVisible(true);
}

public XYPlot layerRaster(Collection<Spike> spikes,Layer lay)
    {
//        throw new UnsupportedOperationException("This is broken for now!");

        // Add the data
        Iterator<Spike> itr=spikes.iterator();
        XYSeries data=new XYSeries("Events");
        for (int i=0; i<spikes.size(); i++)
        {   Spike evt=itr.next();
            if (evt.layer==lay.ixLayer)
                data.add((float)evt.time/1000,evt.addr);
        }
        XYDataset raster = new XYSeriesCollection(data);

        //SamplingXYLineAndShapeRenderer renderer = new SamplingXYLineAndShapeRenderer(false, true);
        XYDotRenderer renderer = new XYDotRenderer();
        renderer.setDotWidth(2);
        renderer.setDotHeight(5);

        return new XYPlot(raster, null, new NumberAxis("Layer "+lay.ixLayer), renderer);

    }

/**
     * Creates a sample chart.
     *
     * @param dataset  the dataset.
     *
     * @return The chart.
     */
    private static JFreeChart createChart(CategoryDataset dataset) {
        JFreeChart chart = ChartFactory.createBarChart(
            "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
                "Milliseconds" /* y-axis label */, dataset, PlotOrientation.HORIZONTAL,false,false,false);
        chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
                + "format (lower bars = better performance)"));
        chart.setBackgroundPaint(Color.white);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();

        // ******************************************************************
        //  More than 150 demo applications are included with the JFreeChart
        //  Developer Guide...for more information, see:
        //
        //  >   http://www.object-refinery.com/jfreechart/guide.html
        //
        // ******************************************************************

        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer = (BarRenderer) plot.getRenderer();
        renderer.setDrawBarOutline(false);
//        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }

/**
 * Creates and returns a default instance of a high-low-open-close chart.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param timeAxisLabel  a label for the time axis (<code>null</code> 
 *                       permitted).
 * @param valueAxisLabel  a label for the value axis (<code>null</code> 
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A high-low-open-close chart.
 */
public static JFreeChart createHighLowChart(String title,
                                            String timeAxisLabel,
                                            String valueAxisLabel,
                                            OHLCDataset dataset,
                                            boolean legend) {

    ValueAxis timeAxis = new DateAxis(timeAxisLabel);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    HighLowRenderer renderer = new HighLowRenderer();
    renderer.setBaseToolTipGenerator(new HighLowItemLabelGenerator());
    XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    return chart;

}

public void  visualizarSerieChartAsignRescateVict(Color color,CategoryDataset dataset) {
     ChartPanel chartPanel = new ChartPanel(chartNotifAsigResc);
     chartNotifAsigResc.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chartNotifAsigResc.getPlot();
     plot.setBackgroundPaint(color);
     plot.setDataset(dataset);
     plot.setDomainGridlinePaint(Color.white);
     plot.setRangeGridlinePaint(Color.white);
     NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
     rangeAxis.setUpperMargin(0.15);
     CategoryItemRenderer renderer = plot.getRenderer();
     renderer.setItemLabelGenerator(new LabelGenerator(50.0));
     renderer.setItemLabelFont(new Font("Serif", Font.PLAIN, 8));
     renderer.setItemLabelsVisible(true);
     chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
   setContentPane(chartPanel);
   this.pack();
   RefineryUtilities.centerFrameOnScreen(this);
   this.setVisible(true);
}

public void  visualizarSeriesTiemposRescateVictPorRobots(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
     "Tiempos de Rescate de Victimas por cada robot ", // chart title
     "Robots en el entorno", // domain axis label
     "Tiempo milisegundos", // range axis label
     dataset, // data
     PlotOrientation.VERTICAL, // orientation
     true, // include legend
     true, // tooltips?
     false // URLs?
     );
     ChartPanel chartPanel = new ChartPanel(chart);
     chart.setBackgroundPaint(Color.white);
     CategoryPlot plot = chart.getCategoryPlot();
     plot.setBackgroundPaint(Color.lightGray);
     plot.setDomainGridlinePaint(Color.white);
     plot.setRangeGridlinePaint(Color.white);
     NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
     rangeAxis.setUpperMargin(0.15);
     CategoryItemRenderer renderer = plot.getRenderer();
     renderer.setItemLabelGenerator(new LabelGenerator(50.0));
     renderer.setItemLabelFont(new Font("Serif", Font.PLAIN, 8));
     renderer.setItemLabelsVisible(true);
     chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
     this.visualizar(chartPanel);
}

@SuppressWarnings("unchecked")
protected final <A extends ValueAxis> A makeValueAxis(final JFreeChartBuilder.AxisParameters parameters) {

    final A retVal = (A) new NumberAxis(parameters.getLabel());

    if (parameters.isIntervalSet()) {
        retVal.setAutoRange(false);
        retVal.setRange(parameters.getInterval());
    } else {
        retVal.setAutoRange(true);
    }
    ((NumberAxis) retVal).setNumberFormatOverride(parameters.getFormat());

    return retVal;

}

/**
 * Creates and returns a default instance of a candlesticks chart.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param timeAxisLabel  a label for the time axis (<code>null</code> permitted).
 * @param valueAxisLabel  a label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return a candlestick chart.
 */
public static JFreeChart createCandlestickChart(String title,
                                                String timeAxisLabel,
                                                String valueAxisLabel,
                                                OHLCDataset dataset,
                                                boolean legend) {

    ValueAxis timeAxis = new DateAxis(timeAxisLabel);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, null);
    plot.setRenderer(new CandlestickRenderer());
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

/**
 * Creates and returns a default instance of a high-low-open-close chart with
 * a special timeline. This timeline can be a {@link org.jfree.chart.axis.SegmentedTimeline}
 * such as the Monday trough Friday timeline that will remove Saturdays and Sundays from
 * the axis.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param timeAxisLabel  a label for the time axis (<code>null</code> permitted).
 * @param valueAxisLabel  a label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param timeline  the timeline.
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return a high-low-open-close chart.
 */
public static JFreeChart createHighLowChart(String title,
                                            String timeAxisLabel,
                                            String valueAxisLabel,
                                            OHLCDataset dataset,
                                            Timeline timeline,
                                            boolean legend) {

    DateAxis timeAxis = new DateAxis(timeAxisLabel);
    timeAxis.setTimeline(timeline);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    HighLowRenderer renderer = new HighLowRenderer();
    renderer.setToolTipGenerator(new HighLowItemLabelGenerator());
    XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

/**
 * Checks that the auto-range for the domain axis on an XYPlot is
 * working as expected.
 */
public void testXYAutoRange1() {
    XYSeries series = new XYSeries("Series 1");
    series.add(1.0, 1.0);
    series.add(2.0, 2.0);
    series.add(3.0, 3.0);
    XYSeriesCollection dataset = new XYSeriesCollection();
    dataset.addSeries(series);
    JFreeChart chart = ChartFactory.createScatterPlot(
        "Test", 
        "X",
        "Y",
        dataset,
        PlotOrientation.VERTICAL,
        false, 
        false,
        false
    );
    XYPlot plot = (XYPlot) chart.getPlot();
    NumberAxis axis = (NumberAxis) plot.getDomainAxis();
    axis.setAutoRangeIncludesZero(false);
    assertEquals(0.9, axis.getLowerBound(), EPSILON);    
    assertEquals(3.1, axis.getUpperBound(), EPSILON);    
}

/**
 * Creates and returns a default instance of a box and whisker chart.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param timeAxisLabel  a label for the time axis (<code>null</code> permitted).
 * @param valueAxisLabel  a label for the value axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return a box and whisker chart.
 */
public static JFreeChart createBoxAndWhiskerChart(String title,
                                                  String timeAxisLabel,
                                                  String valueAxisLabel,
                                                  BoxAndWhiskerXYDataset dataset,
                                                  boolean legend) {

    ValueAxis timeAxis = new DateAxis(timeAxisLabel);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    valueAxis.setAutoRangeIncludesZero(false);
    XYBoxAndWhiskerRenderer renderer = new XYBoxAndWhiskerRenderer(10.0);
    XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

/**
 * Creates a wind plot with default settings.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param xAxisLabel  a label for the x-axis (<code>null</code> permitted).
 * @param yAxisLabel  a label for the y-axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag that controls whether or not a legend is created.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A wind plot.
 *
 */
public static JFreeChart createWindPlot(String title,
                                        String xAxisLabel,
                                        String yAxisLabel,
                                        WindDataset dataset,
                                        boolean legend,
                                        boolean tooltips,
                                        boolean urls) {

    ValueAxis xAxis = new DateAxis(xAxisLabel);
    ValueAxis yAxis = new NumberAxis(yAxisLabel);
    yAxis.setRange(-12.0, 12.0);

    WindItemRenderer renderer = new WindItemRenderer();
    if (tooltips) {
        renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
    }
    if (urls) {
        renderer.setURLGenerator(new StandardXYURLGenerator());
    }
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

/**
 * Creates a sample plot.
 * 
 * @return A sample plot.
 */
private CombinedDomainCategoryPlot createPlot() {

    CategoryDataset dataset1 = createDataset1();
    NumberAxis rangeAxis1 = new NumberAxis("Value");
    rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
    renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
    subplot1.setDomainGridlinesVisible(true);

    CategoryDataset dataset2 = createDataset2();
    NumberAxis rangeAxis2 = new NumberAxis("Value");
    rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer2 = new BarRenderer();
    renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
    subplot2.setDomainGridlinesVisible(true);

    CategoryAxis domainAxis = new CategoryAxis("Category");
    CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis);
    plot.add(subplot1, 2);
    plot.add(subplot2, 1);
    return plot;

}

/**
 * Creates a sample plot.
 * 
 * @return A plot.
 */
private CombinedRangeCategoryPlot createPlot() {

    CategoryDataset dataset1 = createDataset1();
    NumberAxis rangeAxis1 = new NumberAxis("Value");
    rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
    renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
    subplot1.setDomainGridlinesVisible(true);

    CategoryDataset dataset2 = createDataset2();
    NumberAxis rangeAxis2 = new NumberAxis("Value");
    rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer2 = new BarRenderer();
    renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
    subplot2.setDomainGridlinesVisible(true);

    NumberAxis rangeAxis = new NumberAxis("Value");
    CombinedRangeCategoryPlot plot = new CombinedRangeCategoryPlot(rangeAxis);
    plot.add(subplot1, 2);
    plot.add(subplot2, 1);
    return plot;
}

/**
 * Test the translation of Java2D values to data values.
 */
public void testTranslateJava2DToValue() {
    NumberAxis axis = new NumberAxis();
    axis.setRange(50.0, 100.0); 
    Rectangle2D dataArea = new Rectangle2D.Double(10.0, 50.0, 400.0, 300.0);
    double y1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);  
    assertEquals(y1, 95.8333333, EPSILON); 
    double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);   
    assertEquals(y2, 95.8333333, EPSILON); 
    double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);   
    assertEquals(x1, 58.125, EPSILON); 
    double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);   
    assertEquals(x2, 58.125, EPSILON); 
    axis.setInverted(true);
    double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);  
    assertEquals(y3, 54.1666667, EPSILON); 
    double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);   
    assertEquals(y4, 54.1666667, EPSILON); 
    double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);   
    assertEquals(x3, 91.875, EPSILON); 
    double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);   
    assertEquals(x4, 91.875, EPSILON); 
}

/**
 * A static method that returns a panel that is appropriate for the axis
 * type.
 *
 * @param axis  the axis whose properties are to be displayed/edited in the panel.
 *
 * @return a panel or <code>null</code< if axis is <code>null</code>.
 */
public static AxisPropertyEditPanel getInstance(Axis axis) {

    if (axis != null) {
        // figure out what type of axis we have and instantiate the
        // appropriate panel
        if (axis instanceof NumberAxis) {
            return new NumberAxisPropertyEditPanel((NumberAxis) axis);
        }
        else {
            return new AxisPropertyEditPanel(axis);
        }
    }
    else {
        return null;
    }

}

/**
 * Test the translation of Java2D values to data values.
 */
public void testTranslateJava2DToValue() {
    NumberAxis axis = new NumberAxis();
    axis.setRange(50.0, 100.0); 
    Rectangle2D dataArea = new Rectangle2D.Double(10.0, 50.0, 400.0, 300.0);
    double y1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);  
    assertTrue(same(y1, 95.8333333, 0.000001)); 
    double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);   
    assertTrue(same(y2, 95.8333333, 0.000001)); 
    double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);   
    assertTrue(same(x1, 58.125, 0.000001)); 
    double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);   
    assertTrue(same(x2, 58.125, 0.000001)); 
    axis.setInverted(true);
    double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);  
    assertTrue(same(y3, 54.1666667, 0.000001)); 
    double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);   
    assertTrue(same(y4, 54.1666667, 0.000001)); 
    double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);   
    assertTrue(same(x3, 91.875, 0.000001)); 
    double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);   
    assertTrue(same(x4, 91.875, 0.000001)); 

}

/**
 * A simple test for the auto-range calculation.
 */
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart(
        "Test", 
        "Categories",
        "Value",
        dataset,
        PlotOrientation.VERTICAL,
        false, 
        false,
        false
    );
    NumberAxis axis = (NumberAxis) chart.getCategoryPlot().getRangeAxis();
    // range should be 0.0 - 210.0
    assertTrue(same(axis.getLowerBound(), 0.0, 0.00001));    
    assertTrue(same(axis.getUpperBound(), 210.0, 0.00001));    
}

/**
 * A simple test for the auto-range calculation.
 */
public void testAutoRange2() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart(
        "Test", 
        "Categories",
        "Value",
        dataset,
        PlotOrientation.VERTICAL,
        false, 
        false,
        false
    );
    NumberAxis axis = (NumberAxis) chart.getCategoryPlot().getRangeAxis();
    axis.setAutoRangeIncludesZero(false);
    // range should be 100.0 - 205.0
    assertTrue(same(axis.getLowerBound(), 95.0, 0.00001));    
    assertTrue(same(axis.getUpperBound(), 205.0, 0.00001));    
}

/**
 * Creates a sample chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return A sample chart.
 */
private static JFreeChart createChart(VectorXYDataset dataset) {
    NumberAxis xAxis = new NumberAxis("X");
    xAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    xAxis.setLowerMargin(0.01);
    xAxis.setUpperMargin(0.01);
    xAxis.setAutoRangeIncludesZero(false);

    NumberAxis yAxis = new NumberAxis("Y");
    yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    yAxis.setLowerMargin(0.01);
    yAxis.setUpperMargin(0.01);
    yAxis.setAutoRangeIncludesZero(false);
    VectorRenderer renderer = new VectorRenderer();
    renderer.setSeriesPaint(0, Color.blue);
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(5, 5, 5, 5));
    plot.setOutlinePaint(Color.black);
    JFreeChart chart = new JFreeChart("Vector Plot Demo 1", plot);
    chart.setBackgroundPaint(Color.white);
    return chart;
}

/**
 * A simple test for the auto-range calculation looking at a
 * NumberAxis used as the range axis for a CategoryPlot.
 */
public void testAutoRange1() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createBarChart(
        "Test", 
        "Categories",
        "Value",
        dataset,
        PlotOrientation.VERTICAL,
        false, 
        false,
        false
    );
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    NumberAxis axis = (NumberAxis) plot.getRangeAxis();
    assertEquals(axis.getLowerBound(), 0.0, EPSILON);    
    assertEquals(axis.getUpperBound(), 210.0, EPSILON);    
}

/**
 * Check that the renderer is calculating the domain bounds correctly.
 */
public void testFindDomainBounds() {
    TableXYDataset dataset 
            = RendererXYPackageTests.createTestTableXYDataset();
    JFreeChart chart = ChartFactory.createStackedXYAreaChart(
            "Test Chart", "X", "Y", dataset, 
            PlotOrientation.VERTICAL, false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRenderer(new StackedXYBarRenderer());
    NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
    domainAxis.setAutoRangeIncludesZero(false);
    Range bounds = domainAxis.getRange();
    assertFalse(bounds.contains(0.3));
    assertTrue(bounds.contains(0.5));
    assertTrue(bounds.contains(2.5));
    assertFalse(bounds.contains(2.8));
}

/**
 * Check that the renderer is calculating the range bounds correctly.
 */
public void testFindRangeBounds() {
    TableXYDataset dataset 
            = RendererXYPackageTests.createTestTableXYDataset();
    JFreeChart chart = ChartFactory.createStackedXYAreaChart(
            "Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL, 
            false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
    plot.setRenderer(renderer);
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    Range bounds = rangeAxis.getRange();
    assertTrue(bounds.contains(6.0));
    assertTrue(bounds.contains(8.0));

    // try null argument
    assertNull(renderer.findRangeBounds(null));

    // try empty dataset
    assertNull(renderer.findRangeBounds(new DefaultTableXYDataset()));
}

/**
 * Check that the renderer is calculating the domain bounds correctly.
 */
public void testFindDomainBounds() {
    XYSeriesCollection dataset 
        = RendererXYPackageTests.createTestXYSeriesCollection();
    JFreeChart chart = ChartFactory.createXYBarChart(
        "Test Chart", "X", false, "Y", dataset, 
        PlotOrientation.VERTICAL, false, false, false
    );
    XYPlot plot = (XYPlot) chart.getPlot();
    NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
    domainAxis.setAutoRangeIncludesZero(false);
    Range bounds = domainAxis.getRange();
    assertFalse(bounds.contains(0.3));
    assertTrue(bounds.contains(0.5));
    assertTrue(bounds.contains(2.5));
    assertFalse(bounds.contains(2.8));
}

/**
 * Check that the renderer is calculating the range bounds correctly.
 */
public void testFindRangeBounds() {
    TableXYDataset dataset 
            = RendererXYPackageTests.createTestTableXYDataset();
    JFreeChart chart = ChartFactory.createXYLineChart(
            "Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL, 
            false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setAutoRangeIncludesZero(false);
    Range bounds = rangeAxis.getRange();
    assertFalse(bounds.contains(1.0));
    assertTrue(bounds.contains(2.0));
    assertTrue(bounds.contains(5.0));
    assertFalse(bounds.contains(6.0));
}

/**
 * A simple test for the auto-range calculation looking at a
 * NumberAxis used as the range axis for a CategoryPlot.  In this
 * case, the 'autoRangeIncludesZero' flag is set to false AND the
 * original dataset is replaced with a new dataset.
 */
public void testAutoRange3() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
            "Value", dataset, PlotOrientation.VERTICAL, false, false,
            false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    NumberAxis axis = (NumberAxis) plot.getRangeAxis();
    axis.setAutoRangeIncludesZero(false);
    assertEquals(axis.getLowerBound(), 95.0, EPSILON);    
    assertEquals(axis.getUpperBound(), 205.0, EPSILON);    

    // now replacing the dataset should update the axis range...
    DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
    dataset2.setValue(900.0, "Row 1", "Column 1");
    dataset2.setValue(1000.0, "Row 1", "Column 2");
    plot.setDataset(dataset2);
    assertEquals(axis.getLowerBound(), 895.0, EPSILON);    
    assertEquals(axis.getUpperBound(), 1005.0, EPSILON);    
}

/**
 * Some checks for the setLowerBound() method.
 */
public void testSetLowerBound() {
    NumberAxis axis = new NumberAxis("X");
    axis.setRange(0.0, 10.0);
    axis.setLowerBound(5.0);
    assertEquals(5.0, axis.getLowerBound(), EPSILON);
    axis.setLowerBound(10.0);
    assertEquals(10.0, axis.getLowerBound(), EPSILON);
    assertEquals(11.0, axis.getUpperBound(), EPSILON);

    //axis.setRangeType(RangeType.POSITIVE);
    //axis.setLowerBound(-5.0);
    //assertEquals(0.0, axis.getLowerBound(), EPSILON);
}

/**
 * Draws the chart with a <code>null</code> info object to make sure that 
 * no exceptions are thrown (particularly by code in the renderer).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    try {
        double[][] starts = new double[][] {{0.1, 0.2, 0.3}, 
                {0.3, 0.4, 0.5}};
        double[][] ends = new double[][] {{0.5, 0.6, 0.7}, {0.7, 0.8, 0.9}};
        DefaultIntervalCategoryDataset dataset 
            = new DefaultIntervalCategoryDataset(starts, ends);        
        IntervalBarRenderer renderer = new IntervalBarRenderer();
        CategoryPlot plot = new CategoryPlot(dataset, 
                new CategoryAxis("Category"), new NumberAxis("Value"), 
                renderer);
        JFreeChart chart = new JFreeChart(plot);
        /* BufferedImage image = */ chart.createBufferedImage(300, 200, 
                null);
        success = true;
    }
    catch (NullPointerException e) {
        e.printStackTrace();
        success = false;
    }
    assertTrue(success);
}

/**
 * Draws the chart with a <code>null</code> info object to make sure that 
 * no exceptions are thrown (particularly by code in the renderer).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    try {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(1.0, "S1", "C1");
        CategoryPlot plot = new CategoryPlot(dataset, 
                new CategoryAxis("Category"), new NumberAxis("Value"), 
                new MinMaxCategoryRenderer());
        JFreeChart chart = new JFreeChart(plot);
        /* BufferedImage image = */ chart.createBufferedImage(300, 200, 
                null);
        success = true;
    }
    catch (NullPointerException e) {
        e.printStackTrace();
        success = false;
    }
    assertTrue(success);
}

/**
 * Check that the equals() method can distinguish all fields.
 */
public void testEquals() {
    ColorBar c1 = new ColorBar("Test");
    ColorBar c2 = new ColorBar("Test");
    assertEquals(c1, c2);

    c1.setAxis(new NumberAxis("Axis 1"));
    assertTrue(!c1.equals(c2));
    c2.setAxis(new NumberAxis("Axis 1"));
    assertTrue(c1.equals(c2));

    c1.setColorPalette(new GreyPalette());
    assertTrue(!c1.equals(c2));
    c2.setColorPalette(new GreyPalette());
    assertTrue(c1.equals(c2));
}

/**
 * Creates and returns a default instance of a candlesticks chart.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param timeAxisLabel  a label for the time axis (<code>null</code> 
 *                       permitted).
 * @param valueAxisLabel  a label for the value axis (<code>null</code> 
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A candlestick chart.
 */
public static JFreeChart createCandlestickChart(String title,
                                                String timeAxisLabel,
                                                String valueAxisLabel,
                                                OHLCDataset dataset,
                                                boolean legend) {

    ValueAxis timeAxis = new DateAxis(timeAxisLabel);
    NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
    XYPlot plot = new XYPlot(dataset, timeAxis, valueAxis, null);
    plot.setRenderer(new CandlestickRenderer());
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    return chart;

}

/**
 * Creates a wind plot with default settings.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param xAxisLabel  a label for the x-axis (<code>null</code> permitted).
 * @param yAxisLabel  a label for the y-axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag that controls whether or not a legend is created.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A wind plot.
 *
 */
public static JFreeChart createWindPlot(String title,
                                        String xAxisLabel,
                                        String yAxisLabel,
                                        WindDataset dataset,
                                        boolean legend,
                                        boolean tooltips,
                                        boolean urls) {

    ValueAxis xAxis = new DateAxis(xAxisLabel);
    ValueAxis yAxis = new NumberAxis(yAxisLabel);
    yAxis.setRange(-12.0, 12.0);

    WindItemRenderer renderer = new WindItemRenderer();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    }
    if (urls) {
        renderer.setURLGenerator(new StandardXYURLGenerator());
    }
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);

    return chart;

}

private static JFreeChart createChart(XYDataset dataset, String chartName) {
// create the chart...

if(chartName == null)
 chartName = FunctionToPlot;

JFreeChart chart = ChartFactory.createXYLineChart(
chartName,
Var,
Value,
dataset,
PlotOrientation.VERTICAL,
true,
true, 
false
);
chart.setBackgroundPaint(Color.white);

 XYPlot plot = (XYPlot) chart.getPlot();
 plot.setBackgroundPaint(Color.lightGray);
 plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
 plot.setDomainGridlinePaint(Color.white);
 plot.setRangeGridlinePaint(Color.white);
XYLineAndShapeRenderer renderer
= (XYLineAndShapeRenderer) plot.getRenderer();
//renderer.setShapesVisible(true);
//renderer.setShapesFilled(true);
// change the auto tick unit selection to integer units only...
 NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setLabelAngle(Math.PI/2.0);
 rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED.
return chart;
 }

private static  JFreeChart createXYLineChart(String title,String category,String value, XYSeriesCollection dataset) {
        JFreeChart mChart = ChartFactory.createXYLineChart(
                title,
                category,
                value,              
                dataset,
                PlotOrientation.VERTICAL,
                true, 
                true, 
                false);
//        ChartPanel chartPanel = new ChartPanel( mChart);
//        chartPanel.setPreferredSize( new java.awt.Dimension( 560 , 367 ) );
          final XYPlot plot = mChart.getXYPlot();// 获取折线图plot对象
          plot.setBackgroundPaint(new Color(240,240,240));
          NumberAxis na= (NumberAxis)plot.getRangeAxis();
          NumberAxis domainAxis = (NumberAxis)plot.getDomainAxis();
//        na.setAutoTickUnitSelection(false);
          na.setNumberFormatOverride(df);//设置轴坐标
          domainAxis.setNumberFormatOverride(df);
          XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer( );// 设置样式
          renderer.setBaseShapesVisible(false);
          renderer.setSeriesPaint(0,Color.RED);
          renderer.setSeriesPaint(1,Color.GREEN);
          renderer.setSeriesPaint(2,new Color(255,150,24));
          renderer.setSeriesPaint(3,new Color(82,101,115));
          plot.setRenderer( renderer ); 
          return mChart;
    }

private static  JFreeChart createBarChart(String title,String category,String value, CategoryDataset dataset) {   
        JFreeChart chart = ChartFactory.createBarChart3D(title, // chart title   
                    category, // domain axis label   
                    value, // range axis label   
                    dataset, // data   
                    PlotOrientation.VERTICAL, // 图标方向   
                    true, // 是否显示legend   
                    true, // 是否显示tooltips   
                    false // 是否显示URLs   
            );   
        CategoryPlot plot = chart.getCategoryPlot();//设置图的高级属性 
        plot.setBackgroundPaint(ChartColor.WHITE);
        NumberAxis na= (NumberAxis)plot.getRangeAxis();
//      na.setAutoTickUnitSelection(false);//设置小数点位数
        na.setNumberFormatOverride(df);
//      NumberTickUnit nt=new NumberTickUnit(1.22);
//      na.setTickUnit(nt);
//      plot.setRangeAxis(na);
        BarRenderer3D renderer = new BarRenderer3D();//3D属性修改 
        renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        renderer.setBaseItemLabelsVisible(true);
        renderer.setItemLabelAnchorOffset(10);
        renderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER));
        renderer.setSeriesPaint(0,new Color(34,139,34));
        renderer.setSeriesPaint(1,new Color(154,205,50));
        renderer.setSeriesPaint(2,new Color(0,255,0));
        renderer.setSeriesPaint(3,new Color(127,255,212));
        plot.setRenderer(renderer);//将修改后的属性值保存到图中 
        return chart;   
    }

/**
 * A simple test for the auto-range calculation looking at a
 * NumberAxis used as the range axis for a CategoryPlot.  In this
 * case, the 'autoRangeIncludesZero' flag is set to false.
 */
public void testAutoRange2() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.setValue(100.0, "Row 1", "Column 1");
    dataset.setValue(200.0, "Row 1", "Column 2");
    JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
            "Value", dataset, PlotOrientation.VERTICAL, false, false,
            false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    NumberAxis axis = (NumberAxis) plot.getRangeAxis();
    axis.setAutoRangeIncludesZero(false);
    assertEquals(axis.getLowerBound(), 95.0, EPSILON);    
    assertEquals(axis.getUpperBound(), 205.0, EPSILON);    
}

/**
 * Adds the cash flow axis to the plot.
 * @param plot the plot
 * @param dataset the cash flow dataset
 */
private static void addCashFlowAxis(XYPlot plot, TimeSeriesCollection dataset) {
    final NumberAxis cashAxis = new NumberAxis("Cash Flow Ratio");
    cashAxis.setAutoRangeIncludesZero(false);
    plot.setRangeAxis(1, cashAxis);
    plot.setDataset(1, dataset);
    plot.mapDatasetToRangeAxis(1, 1);
    final StandardXYItemRenderer cashFlowRenderer = new StandardXYItemRenderer();
    cashFlowRenderer.setSeriesPaint(0, Color.blue);
    plot.setRenderer(1, cashFlowRenderer);
}