Java DefaultValueDataset类代码示例

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    try {
        BufferedImage image = new BufferedImage(200, 100, 
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        success = true;
    }
    catch (Exception e) {
        success = false;   
    }
    assertTrue(success);
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
public void buildChart1() {
    setColorLimits();
    dataset = new DefaultValueDataset(10D);
    JFreeChart jfreechart = createStandardDialChart(chartTitle, variableName, dataset, chartBottonLimit, chartTopLimit, majorDivisions, minorDivisions);
    DialPlot dialplot = (DialPlot) jfreechart.getPlot();
    StandardDialRange standarddialrange = new StandardDialRange(redBottomLimit, redTopLimit, Color.red);
    standarddialrange.setInnerRadius(0.522D);
    standarddialrange.setOuterRadius(0.554D);
    dialplot.addLayer(standarddialrange);
    StandardDialRange standarddialrange1 = new StandardDialRange(yellowBottomLimit, yellowTopLimit, Color.orange);
    standarddialrange1.setInnerRadius(0.522D);
    standarddialrange1.setOuterRadius(0.554D);
    dialplot.addLayer(standarddialrange1);
    StandardDialRange standarddialrange2 = new StandardDialRange(greenBottomLimit, greenTopLimit, Color.green);
    standarddialrange2.setInnerRadius(0.522D);
    standarddialrange2.setOuterRadius(0.554D);
    dialplot.addLayer(standarddialrange2);
    GradientPaint gradientpaint = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(), new Color(170, 170, 220));
    DialBackground dialbackground = new DialBackground(gradientpaint);
    dialbackground.setGradientPaintTransformer(new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
    dialplot.setBackground(dialbackground);
    dialplot.removePointer(0);
    org.jfree.chart.plot.dial.DialPointer.Pointer pointer = new org.jfree.chart.plot.dial.DialPointer.Pointer();
    dialplot.addPointer(pointer);
    add(new ChartPanel(jfreechart));
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
public void buildChart2() {
    dataset = new DefaultValueDataset(0);
    DialPlot dialplot = new DialPlot();
    dialplot.setView(0.20D, 0.0D, 0.6D, 0.3D);
    dialplot.setDataset(dataset);
    ArcDialFrame arcdialframe = new ArcDialFrame(60D, 60D);
    arcdialframe.setInnerRadius(0.6D);
    arcdialframe.setOuterRadius(0.9D);
    arcdialframe.setForegroundPaint(Color.darkGray);
    arcdialframe.setStroke(new BasicStroke(3F));
    dialplot.setDialFrame(arcdialframe);
    GradientPaint gradientpaint = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(), new Color(240, 240, 240));
    DialBackground dialbackground = new DialBackground(gradientpaint);
    dialbackground.setGradientPaintTransformer(new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
    dialplot.addLayer(dialbackground);
    StandardDialScale standarddialscale = new StandardDialScale(chartBottonLimit, chartTopLimit, 115D, -50D, majorDivisions, minorDivisions);
    standarddialscale.setTickRadius(0.88D);
    standarddialscale.setTickLabelOffset(0.07D);
    dialplot.addScale(0, standarddialscale);
    org.jfree.chart.plot.dial.DialPointer.Pin pin = new org.jfree.chart.plot.dial.DialPointer.Pin();
    pin.setRadius(0.8D);
    dialplot.addLayer(pin);
    JFreeChart jfreechart = new JFreeChart(dialplot);
    jfreechart.setTitle(chartTitle);
    add(new ChartPanel(jfreechart));
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
public void buildPlot1() {
    setColorLimits();
    dataset = new DefaultValueDataset(30);
    ThermometerPlot thermometerplot = new ThermometerPlot(dataset);
    thermometerplot.setRange(plotBottonLimit, plotTopLimit);
    thermometerplot.setUnits(ThermometerPlot.UNITS_CELCIUS);
    thermometerplot.setSubrange(0, greenBottomLimit, greenTopLimit);
    thermometerplot.setSubrangePaint(0, Color.green);
    thermometerplot.setSubrange(1, yellowBottomLimit, yellowTopLimit);
    thermometerplot.setSubrangePaint(1, Color.yellow);
    thermometerplot.setSubrange(2, redBottomLimit, redTopLimit);
    thermometerplot.setSubrangePaint(2, Color.red);
    JFreeChart jfreechart = new JFreeChart(plotTitle, thermometerplot);
    ChartUtilities.applyCurrentTheme(jfreechart);
    add(new ChartPanel(jfreechart));
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
private JFreeChart createThermometerChart(ReportChart reportChart,
        ChartValue[] values, boolean displayInline)
{
    DefaultValueDataset dataset = createDefaultValueDataset(values);

    ThermometerPlot plot = new ThermometerPlot(dataset);

    plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setPadding(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
    plot.setThermometerStroke(new BasicStroke(2.0f));
    plot.setThermometerPaint(Color.lightGray);
    plot.setUnits(ThermometerPlot.UNITS_FAHRENHEIT);

    JFreeChart chart = new JFreeChart(reportChart.getTitle(),
            JFreeChart.DEFAULT_TITLE_FONT, plot, reportChart.isShowLegend());

    return chart;
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    try {
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        success = true;
    }
    catch (Exception e) {
        success = false;
    }
    assertTrue(success);
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/** Creates a meter plot and sets color values */
private MeterPlot createMeterPlot() {
	MeterPlot plot = new MeterPlot(new DefaultValueDataset(value));

	plot.setUnits(unit);
	plot.setDialShape(DialShape.CHORD);
	plot.setDialBackgroundPaint(Color.WHITE);
	plot.setRange(new Range(0, redThreshold));
	plot.setDialOutlinePaint(Color.GRAY);
	plot.setNeedlePaint(Color.BLACK);
	plot.setTickLabelsVisible(true);
	plot.setTickLabelPaint(Color.BLACK);
	plot.setTickPaint(Color.GRAY);
	plot.setTickLabelFormat(NumberFormat.getNumberInstance());
	plot.setTickSize(10);
	plot.setValuePaint(Color.BLACK);

	return plot;
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
private JFreeChart createThermometerChart(ReportChart reportChart,
		ChartValue[] values, boolean displayInline)
{
	DefaultValueDataset dataset = createDefaultValueDataset(values);

	ThermometerPlot plot = new ThermometerPlot(dataset);

	plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
	plot.setPadding(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
	plot.setThermometerStroke(new BasicStroke(2.0f));
	plot.setThermometerPaint(Color.lightGray);
	plot.setUnits(ThermometerPlot.UNITS_FAHRENHEIT);

	JFreeChart chart = new JFreeChart(reportChart.getTitle(),
			JFreeChart.DEFAULT_TITLE_FONT, plot, reportChart.isShowLegend());

	return chart;
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Default constructor.
 */
public JThermometer() {
    super(new CardLayout());
    this.plot.setInsets(new Insets(5, 5, 5, 5));
    this.data = new DefaultValueDataset();
    //data.setRange(new Double(-60000), new Double(60000));
    this.plot.setDataset(this.data);
    this.chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, this.plot, false);
    this.panel = new ChartPanel(this.chart);
    add(this.panel, "Panel");
    setBackground(getBackground());
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Default constructor.
 */
public JThermometer() {
    super(new CardLayout());
    this.plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    this.data = new DefaultValueDataset();
    this.plot.setDataset(this.data);
    this.chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, 
            this.plot, false);
    this.panel = new ChartPanel(this.chart);
    add(this.panel, "Panel");
    setBackground(getBackground());
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
@Test
public void testDrawWithNullInfo() {
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
    g2.dispose();
    //FIXME we should really assert a value here
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Serialize an instance, restore it, and check for equality.
 */
@Test
public void testSerialization2() {
    MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
    MeterPlot p2 = (MeterPlot) TestUtilities.serialised(p1);
    assertEquals(p1, p2);

}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Confirm that cloning works.
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    CompassPlot p1 = new CompassPlot(new DefaultValueDataset(15.0));
    CompassPlot p2 = (CompassPlot) p1.clone();
    assertTrue(p1 != p2);
    assertTrue(p1.getClass() == p2.getClass());
    assertTrue(p1.equals(p2));
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Default constructor.
 */
public JThermometer() {
    super(new CardLayout());
    this.plot.setInsets(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    this.data = new DefaultValueDataset();
    this.plot.setDataset(this.data);
    this.chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT,
            this.plot, false);
    this.panel = new ChartPanel(this.chart);
    add(this.panel, "Panel");
    setBackground(getBackground());
}
 

import org.jfree.data.general.DefaultValueDataset; //导入依赖的package包/类
/**
 * Serialize an instance, restore it, and check for equality.
 */
@Test
public void testSerialization2() {
    MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
    MeterPlot p2 = (MeterPlot) TestUtils.serialised(p1);
    assertEquals(p1, p2);

}