Java DefaultPieDataset類代碼示例

本文整理匯總了Java中org.jfree.data.general.DefaultPieDataset類的典型用法代碼示例。如果您正苦於以下問題：Java DefaultPieDataset類的具體用法？Java DefaultPieDataset怎麽用？Java DefaultPieDataset使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。

DefaultPieDataset類屬於org.jfree.data.general包，在下文中一共展示了DefaultPieDataset類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: setUp

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Common test setup.
 */
protected void setUp() {

    // create a dataset...
    DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("Java", new Double(43.2));
    data.setValue("Visual Basic", new Double(0.0));
    data.setValue("C/C++", new Double(17.5));

    // create the chart...
    this.pieChart = ChartFactory.createPieChart(
        "Pie Chart",  // chart title
        data,         // data
        true,         // include legend
        true,
        false
    );

}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:22，代碼來源:JFreeChartTests.java

示例2: piePlt

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
public piePlt(String title, String Categories) throws Exception{
    super("");
   DefaultPieDataset dataset = new DefaultPieDataset();
   String[] ct = Categories.split(";");
    for(String bf: ct){
       // if(bf.startsWith("("))
           // bf=bf.substring(1);
       // if(bf.endsWith(")"))
           // bf=bf.substring(0,bf.length()-1);
             dataset.setValue(bf.substring(0,bf.indexOf(',')),
                    new Double(jc.eval("2dbl("+jc.eval(bf.substring(bf.indexOf(',')+1))+")")));
    }
    if(title==null)
      title = "Pie Chart";
    
    
       chart = ChartFactory.createPieChart(
                           title,
                           dataset,
                           true,                     // include legend
                           true,                     // tooltips?
                           false                     // URLs?
                    );
      
}

開發者ID:mathhobbit，項目名稱:EditCalculateAndChart，代碼行數:26，代碼來源:piePlt.java

示例3: PieChart

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
public PieChart() {
    DefaultPieDataset data = getDataSet();
    JFreeChart chart = ChartFactory.createPieChart3D("水果產量", data, true, false, false);
    //設置百分比
    PiePlot pieplot = (PiePlot) chart.getPlot();
    DecimalFormat df = new DecimalFormat("0.00%");//獲得一個DecimalFormat對象，主要是設置小數問題
    NumberFormat nf = NumberFormat.getNumberInstance();//獲得一個NumberFormat對象
    StandardPieSectionLabelGenerator sp1 = new StandardPieSectionLabelGenerator("{0}  {2}", nf, df);//獲得StandardPieSectionLabelGenerator對象
    pieplot.setLabelGenerator(sp1);//設置餅圖顯示百分比

    //沒有數據的時候顯示的內容
    pieplot.setNoDataMessage("無數據顯示");
    pieplot.setCircular(false);
    pieplot.setLabelGap(0.02D);

    pieplot.setIgnoreNullValues(true);//設置不顯示空值
    pieplot.setIgnoreZeroValues(true);//設置不顯示負值
    frame1 = new ChartPanel(chart, true);
    chart.getTitle().setFont(new Font("宋體", Font.BOLD, 20));//設置標題字體
    PiePlot piePlot = (PiePlot) chart.getPlot();//獲取圖表區域對象
    piePlot.setLabelFont(new Font("宋體", Font.BOLD, 10));//解決亂碼
    chart.getLegend().setItemFont(new Font("黑體", Font.BOLD, 10));
}

開發者ID:leon66666，項目名稱:financehelper，代碼行數:24，代碼來源:PieChart.java

示例4: createChart

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
@Override
public JFreeChart createChart(Element element, ChartSource source) {
    Attribute key = source.getAttributeProperty(PIE_ATTRIBUTE_KEY);
    Attribute value = source.getAttributeProperty(PIE_ATTRIBUTE_VALUE);
    if ((key == null) || (value == null))
        throw new ChartNotSetupedException();
    DefaultPieDataset dataset = new DefaultPieDataset();
    for (Element element2 : source.getElements()) {
        Object v1 = engine.getAttribute(element2, key);
        Object v2 = engine.getAttribute(element2, value);
        if ((v1 != null) && (v2 != null))
            dataset.setValue(toString(v1), toDouble(v2));
    }
    return ChartFactory.createPieChart(element.getName(), dataset, true,
            true, false);
}

開發者ID:Vitaliy-Yakovchuk，項目名稱:ramus，代碼行數:17，代碼來源:PieChartDataPlugin.java

示例5: getChart

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Creates 3D pie chart with OS usage statistics.
 * 
 * @return Filled 3D pie chart.
 */
public JFreeChart getChart() {
    DefaultPieDataset data = new DefaultPieDataset();

    data.setValue("Mac", 29);
    data.setValue("Windows", 51);
    data.setValue("Linux", 20);

    JFreeChart chart = ChartFactory.createPieChart3D("", data);
    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    plot.setStartAngle(290);
    plot.setDirection(Rotation.CLOCKWISE);
    plot.setForegroundAlpha(0.5f);

    return chart;
}

開發者ID:fgulan，項目名稱:java-course，代碼行數:21，代碼來源:ReportImageServlet.java

示例6: testEquals

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Confirm that the equals method can distinguish all the required fields.
 */
public void testEquals() {
    PieSectionEntity e1 = new PieSectionEntity(
        new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(), 
        0, 1, "Key", "ToolTip", "URL"
    );
    StandardEntityCollection c1 = new StandardEntityCollection();
    c1.addEntity(e1);

    PieSectionEntity e2 = new PieSectionEntity(
        new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(), 
        0, 1, "Key", "ToolTip", "URL"
    );
    StandardEntityCollection c2 = new StandardEntityCollection();
    c2.addEntity(e2);
    assertTrue(c1.equals(c2));        
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:20，代碼來源:StandardEntityCollectionTests.java

示例7: createPieChart

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Creates a pie chart.
 *
 * @return the pie chart.
 */
private static JFreeChart createPieChart() {
    // create a dataset...
    DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("Java", new Double(43.2));
    data.setValue("Visual Basic", new Double(0.0));
    data.setValue("C/C++", new Double(17.5));

    // create the chart...
    return ChartFactory.createPieChart("Pie Chart",  // chart title
                                       data,         // data
                                       true,         // include legend
                                       true,
                                       false
                                       );
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:21，代碼來源:PieChartTests.java

示例8: testNullValueInDataset

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Tests that no exceptions are thrown when there is a <code>null</code> value in the dataset.
 */
public void testNullValueInDataset() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue("Section 1", 10.0);
    dataset.setValue("Section 2", 11.0);
    dataset.setValue("Section 3", null);
    JFreeChart chart = createPieChart3D(dataset);
    boolean success = false;
    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 (Throwable t) {
        success = false;
    }
    assertTrue(success);
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:23，代碼來源:PieChart3DTests.java

示例9: startElement

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Starts an element.
 *
 * @param namespaceURI  the namespace.
 * @param localName  the element name.
 * @param qName  the element name.
 * @param atts  the element attributes.
 *
 * @throws SAXException for errors.
 */
public void startElement(final String namespaceURI,
                         final String localName,
                         final String qName,
                         final Attributes atts) throws SAXException {

    final DefaultHandler current = getCurrentHandler();
    if (current != this) {
        current.startElement(namespaceURI, localName, qName, atts);
    }
    else if (qName.equals(PIEDATASET_TAG)) {
        this.dataset = new DefaultPieDataset();
    }
    else if (qName.equals(ITEM_TAG)) {
        final ItemHandler subhandler = new ItemHandler(this, this);
        getSubHandlers().push(subhandler);
        subhandler.startElement(namespaceURI, localName, qName, atts);
    }

}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:30，代碼來源:PieDatasetHandler.java

示例10: testEquals

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Confirm that the equals method can distinguish all the required fields.
 */
public void testEquals() {
    StandardEntityCollection c1 = new StandardEntityCollection();
    StandardEntityCollection c2 = new StandardEntityCollection();
    assertTrue(c1.equals(c2));
    
    PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0, 
            2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key", 
            "ToolTip", "URL");
    c1.add(e1);
    assertFalse(c1.equals(c2));
    PieSectionEntity e2 = new PieSectionEntity(new Rectangle2D.Double(1.0, 
            2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key", 
            "ToolTip", "URL");
    c2.add(e2);
    assertTrue(c1.equals(c2));        
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:20，代碼來源:StandardEntityCollectionTests.java

示例11: createPieChart

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Creates a pie chart.
 *
 * @return The pie chart.
 */
private static JFreeChart createPieChart() {
    // create a dataset...
    DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("Java", new Double(43.2));
    data.setValue("Visual Basic", new Double(0.0));
    data.setValue("C/C++", new Double(17.5));

    // create the chart...
    return ChartFactory.createPieChart("Pie Chart",  // chart title
                                       data,         // data
                                       true,         // include legend
                                       true,
                                       false
                                       );
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:21，代碼來源:PieChartTests.java

示例12: testNullValueInDataset

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Tests that no exceptions are thrown when there is a <code>null</code> 
 * value in the dataset.
 */
public void testNullValueInDataset() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    dataset.setValue("Section 1", 10.0);
    dataset.setValue("Section 2", 11.0);
    dataset.setValue("Section 3", null);
    JFreeChart chart = createPieChart3D(dataset);
    boolean success = false;
    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 (Throwable t) {
        success = false;
    }
    assertTrue(success);
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:25，代碼來源:PieChart3DTests.java

示例13: testGetIndex

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Some checks for the getIndex() method.
 */
public void testGetIndex() {
    DefaultPieDataset d = new DefaultPieDataset();
    d.setValue("A", 1.0);
    d.setValue("B", 2.0);
    assertEquals(0, d.getIndex("A"));
    assertEquals(1, d.getIndex("B"));
    assertEquals(-1, d.getIndex("XX"));
    
    boolean pass = false;
    try {
        d.getIndex(null);
    }
    catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:21，代碼來源:DefaultPieDatasetTests.java

示例14: startElement

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Starts an element.
 *
 * @param namespaceURI  the namespace.
 * @param localName  the element name.
 * @param qName  the element name.
 * @param atts  the element attributes.
 *
 * @throws SAXException for errors.
 */
public void startElement(String namespaceURI,
                         String localName,
                         String qName,
                         Attributes atts) throws SAXException {

    DefaultHandler current = getCurrentHandler();
    if (current != this) {
        current.startElement(namespaceURI, localName, qName, atts);
    }
    else if (qName.equals(PIEDATASET_TAG)) {
        this.dataset = new DefaultPieDataset();
    }
    else if (qName.equals(ITEM_TAG)) {
        ItemHandler subhandler = new ItemHandler(this, this);
        getSubHandlers().push(subhandler);
        subhandler.startElement(namespaceURI, localName, qName, atts);
    }

}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:30，代碼來源:PieDatasetHandler.java

示例15: testEquals

import org.jfree.data.general.DefaultPieDataset; //導入依賴的package包/類
/**
 * Confirm that the equals method can distinguish all the required fields.
 */
@Test
public void testEquals() {
    StandardEntityCollection c1 = new StandardEntityCollection();
    StandardEntityCollection c2 = new StandardEntityCollection();
    assertTrue(c1.equals(c2));

    PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
            2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key",
            "ToolTip", "URL");
    c1.add(e1);
    assertFalse(c1.equals(c2));
    PieSectionEntity e2 = new PieSectionEntity(new Rectangle2D.Double(1.0,
            2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key",
            "ToolTip", "URL");
    c2.add(e2);
    assertTrue(c1.equals(c2));
}

開發者ID:mdzio，項目名稱:ccu-historian，代碼行數:21，代碼來源:StandardEntityCollectionTest.java

注：本文中的org.jfree.data.general.DefaultPieDataset類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。