Java CategoryPlot.setRenderer方法代码示例

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
/**
 * A test for bug 1654215 (where a renderer is added to the plot without
 * a corresponding dataset and it throws an exception at drawing time).
 */
public void test1654215() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    JFreeChart chart = ChartFactory.createLineChart("Title", "X", "Y",
            dataset, PlotOrientation.VERTICAL, true, false, false);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setRenderer(1, new LineAndShapeRenderer());
    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 (Exception e) {
        e.printStackTrace();
        success = false;
    }
    assertTrue(success);
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
public static void setStackBarRender(CategoryPlot plot) {
    plot.setNoDataMessage(NO_DATA_MSG);
    plot.setInsets(new RectangleInsets(10, 10, 5, 10));
    StackedBarRenderer renderer = (StackedBarRenderer) plot.getRenderer();
    renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
    plot.setRenderer(renderer);
    setXAixs(plot);
    setYAixs(plot);
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
@Override
public JFreeChart getChart() throws IOException {


    final JFreeChart chart = ChartFactory.createLineChart("Time to reach uniform state", "Application State", "Time to reach state (s)", getDataset(), PlotOrientation.VERTICAL, false, false, false);
    final CategoryPlot category_plot = chart.getCategoryPlot();
    category_plot.setRenderer(new StatisticalBarRenderer());
    category_plot.getRangeAxis().setLowerBound(0);
    PlainChartTheme.applyTheme(chart);
    return chart;
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
@Override
public JFreeChart getChart() throws IOException {

    final DefaultStatisticalCategoryDataset dataset = getDataset();
    final JFreeChart chart = ChartFactory.createLineChart(getName(), x_axis_label, "Time to reach " + name + " (s)", dataset, PlotOrientation.VERTICAL, showLegend, false, false);
    final StatisticalBarRenderer renderer = new StatisticalBarRenderer();
    final CategoryPlot category_plot = chart.getCategoryPlot();
    category_plot.setRenderer(renderer);

    final ValueAxis range_axis = category_plot.getRangeAxis();
    range_axis.setLowerBound(0);

    PlainChartTheme.applyTheme(chart);
    return chart;
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
@Override
public JFreeChart getChart() throws IOException {

    final DefaultStatisticalCategoryDataset dataset = getDataset();
    final JFreeChart chart = ChartFactory.createLineChart(getName(), x_axis_label, y_axis_label, dataset, PlotOrientation.VERTICAL, getDataset().getRowCount() > 1, false, false);
    final StatisticalBarRenderer renderer = new StatisticalBarRenderer();
    final CategoryPlot category_plot = chart.getCategoryPlot();
    category_plot.setRenderer(renderer);

    final ValueAxis range_axis = category_plot.getRangeAxis();
    range_axis.setLowerBound(0);

    PlainChartTheme.applyTheme(chart);
    return chart;
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
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;   
	}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
/**
 * A test for a bug reported in the forum.
 */
public void testAxisRange() {
    DefaultCategoryDataset datasetA = new DefaultCategoryDataset();
    DefaultCategoryDataset datasetB = new DefaultCategoryDataset();
    datasetB.addValue(50.0, "R1", "C1");
    datasetB.addValue(80.0, "R1", "C1");
    CategoryPlot plot = new CategoryPlot(
        datasetA, new CategoryAxis(null), new NumberAxis(null), new LineAndShapeRenderer()
    );
    plot.setDataset(1, datasetB);
    plot.setRenderer(1, new LineAndShapeRenderer());
    Range r = plot.getRangeAxis().getRange();
    assertEquals(84.0, r.getUpperBound(), 0.00001);
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
/**
 * A test for a bug reported in the forum.
 */
public void testAxisRange() {
    DefaultCategoryDataset datasetA = new DefaultCategoryDataset();
    DefaultCategoryDataset datasetB = new DefaultCategoryDataset();
    datasetB.addValue(50.0, "R1", "C1");
    datasetB.addValue(80.0, "R1", "C1");
    CategoryPlot plot = new CategoryPlot(datasetA, new CategoryAxis(null), 
            new NumberAxis(null), new LineAndShapeRenderer());
    plot.setDataset(1, datasetB);
    plot.setRenderer(1, new LineAndShapeRenderer());
    Range r = plot.getRangeAxis().getRange();
    assertEquals(84.0, r.getUpperBound(), 0.00001);
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
/**
 * A test for bug report 1169972.
 */
public void test1169972() {
    CategoryPlot plot = new CategoryPlot(null, null, null, null);
    plot.setDomainAxis(new CategoryAxis("C"));
    plot.setRangeAxis(new NumberAxis("Y"));
    plot.setRenderer(new BarRenderer());
    plot.setDataset(new DefaultCategoryDataset());
    assertTrue(plot != null);
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
private JFreeChart createNominalChart() {
	JFreeChart chart;
	CategoryDataset dataset = createNominalDataSet();

	// create the chart...
	String domainName = dataTable == null ? MODEL_DOMAIN_AXIS_NAME : dataTable.getColumnName(plotColumn);
	chart = ChartFactory.createBarChart(null, // chart title
			domainName, // x axis label
			RANGE_AXIS_NAME, // y axis label
			dataset, // data
			PlotOrientation.VERTICAL, true, // include legend
			true, // tooltips
			false // urls
			);

	CategoryPlot plot = chart.getCategoryPlot();

	BarRenderer renderer = new BarRenderer();
	if (dataset.getRowCount() == 1) {
		renderer.setSeriesPaint(0, Color.RED);
		renderer.setSeriesFillPaint(0, Color.RED);
	} else {
		for (int i = 0; i < dataset.getRowCount(); i++) {
			Color color = getColorProvider(true).getPointColor((double) i / (double) (dataset.getRowCount() - 1));
			renderer.setSeriesPaint(i, color);
			renderer.setSeriesFillPaint(i, color);
		}
	}
	renderer.setBarPainter(new RapidBarPainter());
	renderer.setDrawBarOutline(true);
	plot.setRenderer(renderer);

	// rotate labels
	if (isLabelRotating()) {
		plot.getDomainAxis().setTickLabelsVisible(true);
		plot.getDomainAxis().setCategoryLabelPositions(
				CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
	}

	return chart;
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
private JFreeChart createChart() {
	if (data.getItemCount() > 0) {
		// get cumulative percentages
		KeyedValues cumulative = DataUtilities.getCumulativePercentages(data);

		CategoryDataset categoryDataset = DatasetUtilities.createCategoryDataset(
				"Count for " + this.dataTable.getColumnName(this.countColumn) + " = " + countValue, data);

		// create the chart...
		final JFreeChart chart = ChartFactory.createBarChart(null, // chart title
				this.dataTable.getColumnName(this.groupByColumn), // domain axis label
				"Count", // range axis label
				categoryDataset, // data
				PlotOrientation.VERTICAL, true, // include legend
				true, false);

		// set the background color for the chart...
		chart.setBackgroundPaint(Color.WHITE);

		// get a reference to the plot for further customization...
		CategoryPlot plot = chart.getCategoryPlot();

		CategoryAxis domainAxis = plot.getDomainAxis();
		domainAxis.setLowerMargin(0.02);
		domainAxis.setUpperMargin(0.02);
		domainAxis.setLabelFont(LABEL_FONT_BOLD);
		domainAxis.setTickLabelFont(LABEL_FONT);

		// set the range axis to display integers only...
		NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
		rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(Locale.US));
		rangeAxis.setLabelFont(LABEL_FONT_BOLD);
		rangeAxis.setTickLabelFont(LABEL_FONT);

		// second data set (cumulative percentages)
		CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative (Percent)", cumulative);

		LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
		renderer2.setSeriesPaint(0, SwingTools.VERY_DARK_BLUE.darker());

		NumberAxis axis2 = new NumberAxis("Percent of " + countValue);
		axis2.setNumberFormatOverride(NumberFormat.getPercentInstance());
		axis2.setLabelFont(LABEL_FONT_BOLD);
		axis2.setTickLabelFont(LABEL_FONT);

		plot.setRangeAxis(1, axis2);
		plot.setDataset(1, dataset2);
		plot.setRenderer(1, renderer2);
		plot.mapDatasetToRangeAxis(1, 1);

		axis2.setTickUnit(new NumberTickUnit(0.1));

		// show grid lines
		plot.setRangeGridlinesVisible(true);

		// bring cumulative line to front
		plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

		if (isLabelRotating()) {
			domainAxis.setTickLabelsVisible(true);
			domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
		}

		return chart;
	} else {
		return null;
	}
}
 

import org.jfree.chart.plot.CategoryPlot; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
	public void init() {
		CategoryDataset dataset = getDataSet();
		JFreeChart chart = ChartFactory.createBarChart3D("Number Ranking", // 图表标题
				"Book Types", // 目录轴的显示标签
				"The Number of Books", // 数值轴的显示标签
				dataset, // 数据集
				PlotOrientation.VERTICAL, // 图表方向：水平、垂直
				true, false, // 是否生成工具
				false // 是否生成URL链接
		);
		// 从这里开始
		CategoryPlot plot = chart.getCategoryPlot();// 获取图表区域对象
		
		BarRenderer3D renderer =new BarRenderer3D();

		renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
		renderer.setItemLabelFont(new Font("黑体",Font.BOLD,14));//12号黑体加粗
        renderer.setItemLabelPaint(Color.black);//字体为黑色
        
        renderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE3, TextAnchor.BASELINE_CENTER));  
        renderer.setItemLabelsVisible(true);

		plot.setRenderer(renderer);
		
		CategoryAxis domainAxis = plot.getDomainAxis(); // 水平底部列表
		domainAxis.setLabelFont(new Font("黑体", Font.BOLD, 14)); // 水平底部标题
		domainAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 12)); // 垂直标题
		
		ValueAxis rangeAxis = plot.getRangeAxis();// 获取柱状
		rangeAxis.setUpperMargin(0.1);
		rangeAxis.setLabelFont(new Font("黑体", Font.BOLD, 15));
		chart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15));
		chart.getTitle().setFont(new Font("宋体", Font.BOLD, 20));// 设置标题字体

		
		chartPane = new ChartPanel(chart, true);

//		File dir = new File("images\\");
//		if (!dir.exists()) {
//			dir.mkdir();
//		}
//		String fName = String.valueOf(System.currentTimeMillis()) + "bar.png";
//		File file = new File("images\\", fName);
//		try {
//			ChartUtilities.saveChartAsPNG(file, chart, 550, 400);
//		} catch (IOException e) {
//
//			e.printStackTrace();
//		}
	}