Java XYPlot.getRangeAxis方法代码示例

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Replaces the dataset and checks that it has changed as expected.
 */
public void testReplaceDataset() {

    // create a dataset...
    XYSeries series1 = new XYSeries("Series 1");
    series1.add(10.0, 10.0);
    series1.add(20.0, 20.0);
    series1.add(30.0, 30.0);
    XYDataset dataset = new XYSeriesCollection(series1);

    LocalListener l = new LocalListener();
    this.chart.addChangeListener(l);
    XYPlot plot = (XYPlot) this.chart.getPlot();
    plot.setDataset(dataset);
    assertEquals(true, l.flag);
    ValueAxis axis = plot.getRangeAxis();
    Range range = axis.getRange();
    assertTrue("Expecting the lower bound of the range to be around 10: "
               + range.getLowerBound(), range.getLowerBound() <= 10);
    assertTrue("Expecting the upper bound of the range to be around 30: "
               + range.getUpperBound(), range.getUpperBound() >= 30);

}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
private static JFreeChart createChart(XYDataset dataset) {

		// create the chart...
		JFreeChart chart = ChartFactory.createXYLineChart(null,                      // chart title
				null,                      // x axis label
				null,                      // y axis label
				dataset,                   // data
				PlotOrientation.VERTICAL, false,                     // include legend
				true,                      // tooltips
				false                      // urls
				);

		chart.setBackgroundPaint(Color.white);

		// get a reference to the plot for further customization...
		XYPlot plot = (XYPlot) chart.getPlot();
		plot.setBackgroundPaint(Color.WHITE);

		ValueAxis valueAxis = plot.getRangeAxis();
		valueAxis.setLabelFont(LABEL_FONT_BOLD);
		valueAxis.setTickLabelFont(LABEL_FONT);

		return chart;
	}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * 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()));
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Updates the preselected y-value.
 */
private void updateYFieldValue() {
	// update preselected y value because range axis has been changed
	if (mousePosition != null) {
		Rectangle2D plotArea = engine.getChartPanel().getScreenDataArea();
		if (engine.getChartPanel().getChart().getPlot() instanceof XYPlot) {
			XYPlot plot = (XYPlot) engine.getChartPanel().getChart().getPlot();

			// calculate y value
			for (int i = 0; i < plot.getRangeAxisCount(); i++) {
				ValueAxis config = plot.getRangeAxis(i);
				if (config != null && config.getLabel() != null) {
					if (config.getLabel().equals(String.valueOf(rangeAxisSelectionCombobox.getSelectedItem()))) {
						double chartY = config.java2DToValue(mousePosition.getY(), plotArea, plot.getRangeAxisEdge());
						yField.setText(String.valueOf(chartY));
					}
				}
			}
		}
	}
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * Checks that the auto-range for the range axis on an XYPlot is
 * working as expected.
 */
public void testXYAutoRange2() {
    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.getRangeAxis();
    axis.setAutoRangeIncludesZero(false);
    assertEquals(0.9, axis.getLowerBound(), EPSILON);    
    assertEquals(3.1, axis.getUpperBound(), EPSILON);    
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
public static void plot(double[] predicts, double[] actuals, String name) {
	double[] index = new double[predicts.length];
	for (int i = 0; i < predicts.length; i++)
		index[i] = i;
	int min = minValue(predicts, actuals);
	int max = maxValue(predicts, actuals);
	final XYSeriesCollection dataSet = new XYSeriesCollection();
	addSeries(dataSet, index, predicts, "Predicts");
	addSeries(dataSet, index, actuals, "Actuals");
	final JFreeChart chart = ChartFactory.createXYLineChart(
			"Prediction Result", // chart title
			"Index", // x axis label
			name, // y axis label
			dataSet, // data
			PlotOrientation.VERTICAL,
			true, // include legend
			true, // tooltips
			false // urls
	);
	XYPlot xyPlot = chart.getXYPlot();
	// X-axis
	final NumberAxis domainAxis = (NumberAxis) xyPlot.getDomainAxis();
	domainAxis.setRange((int) index[0], (int) (index[index.length - 1] + 2));
	domainAxis.setTickUnit(new NumberTickUnit(20));
	domainAxis.setVerticalTickLabels(true);
	// Y-axis
	final NumberAxis rangeAxis = (NumberAxis) xyPlot.getRangeAxis();
	rangeAxis.setRange(min, max);
	rangeAxis.setTickUnit(new NumberTickUnit(50));
	final ChartPanel panel = new ChartPanel(chart);
	final JFrame f = new JFrame();
	f.add(panel);
	f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
	f.pack();
	f.setVisible(true);
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
private JFreeChart createChart(String chartContent, String title, String yaxisName){
    //创建时序图对象
    XYSeries = new XYSeries(chartContent);
    XYSeriesCollection xySeriesCollection=new XYSeriesCollection(XYSeries);

    // 设置中文主题样式 解决乱码
    StandardChartTheme chartTheme = new StandardChartTheme("CN");
    // 设置标题字体
    chartTheme.setExtraLargeFont(font);
    // 设置图例的字体
    chartTheme.setRegularFont(font);
    // 设置轴向的字体
    chartTheme.setLargeFont(font);
    chartTheme.setSmallFont(font);

    ChartFactory.setChartTheme(chartTheme);

    JFreeChart jfreechart = ChartFactory.createXYLineChart(title,"帧数",yaxisName,xySeriesCollection);
    XYPlot xyplot = jfreechart.getXYPlot();
    //纵坐标设定
    ValueAxis valueaxis = xyplot.getDomainAxis();
    //自动设置数据轴数据范围
    valueaxis.setAutoRange(true);
    //数据轴固定数据范围 30s
    //valueaxis.setFixedAutoRange(100);

    valueaxis = xyplot.getRangeAxis();

    return jfreechart;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
public void updateChart(double[] data) {

		this.removeAll();
		this.revalidate();

		series = new XYSeries("XYGraph");
		for(int i=0; i<data.length;i++){
			if(data[i]>-1){
				series.add(5*i , data[i]/255 );
			}
		}

		dataset = new XYSeriesCollection();
		dataset.addSeries(series);


		chart = ChartFactory.createScatterPlot(
				null, // Title
				"ω [rad/s]", // x-axis Label
				"Q / Qmax", // y-axis Label
				dataset, // Dataset
				PlotOrientation.VERTICAL, 
				false, // Show Legend
				true, // Use tooltips
				false // Configure chart to generate URLs?
				);
		XYPlot plot = (XYPlot) chart.getPlot();
		plot.setBackgroundPaint( Color.WHITE );

		XYItemRenderer renderer = plot.getRenderer();
		renderer.setSeriesPaint(0, Color.RED);
		double delta = 2.0;
		Shape shape1 = new Rectangle2D.Double(-delta, -delta, delta, delta);
		renderer.setSeriesShape(0, shape1);

		ValueAxis yAxis = plot.getRangeAxis();
		yAxis.setRange(0, 1.1);
		ValueAxis xAxis = plot.getDomainAxis();
		xAxis.setRange(0, 2000);

		ChartPanel cp = new ChartPanel(chart);
		cp.setBackground(Color.WHITE);

		this.setLayout(new BorderLayout());
		this.add(cp, BorderLayout.CENTER);
		this.repaint();

	}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * 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();
    plot.setRenderer(new StackedXYBarRenderer());
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    Range bounds = rangeAxis.getRange();
    assertTrue(bounds.contains(6.0));
    assertTrue(bounds.contains(8.0));
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
/**
 * 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();
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    Range bounds = rangeAxis.getRange();
    assertTrue(bounds.contains(6.0));
    assertTrue(bounds.contains(8.0));
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
public TimeSeriesChart() {
    XYDataset xydataset = createDataset();
    JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("Legal & General单位信托基金价格", "日期", "价格", xydataset, true, true, true);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis();
    dateaxis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
    frame1 = new ChartPanel(jfreechart, true);
    dateaxis.setLabelFont(new Font("黑体", Font.BOLD, 14));         //水平底部标题
    dateaxis.setTickLabelFont(new Font("宋体", Font.BOLD, 12));  //垂直标题
    ValueAxis rangeAxis = xyplot.getRangeAxis();//获取柱状
    rangeAxis.setLabelFont(new Font("黑体", Font.BOLD, 15));
    jfreechart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15));
    jfreechart.getTitle().setFont(new Font("宋体", Font.BOLD, 20));//设置标题字体

}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
public ChartPanel getChartPanel(List<String> industrys) {
    XYDataset xydataset = createDataset(industrys);
    JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("行业资金流入流出", "日期(日/单位)", "价格(亿/单位)", xydataset, true, true, true);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis();
    dateaxis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM-dd"));
    dateaxis.setLabelFont(new Font("黑体", Font.BOLD, 14));         //水平底部标题
    dateaxis.setTickLabelFont(new Font("宋体", Font.BOLD, 12));  //垂直标题
    ValueAxis rangeAxis = xyplot.getRangeAxis();//获取柱状
    rangeAxis.setLabelFont(new Font("黑体", Font.BOLD, 15));
    jfreechart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15));
    jfreechart.getTitle().setFont(new Font("宋体", Font.BOLD, 20));//设置标题字体
    ChartPanel frame1 = new ChartPanel(jfreechart, true);
    return frame1;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
public ChartPanel getChartPanel(List<String> industrys) {
    XYDataset xydataset = createDataset(industrys);
    JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("行业涨跌", "日期(日/单位)", "价格(%/单位)", xydataset, true, true, true);
    XYPlot xyplot = (XYPlot) jfreechart.getPlot();
    DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis();
    dateaxis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM-dd"));
    dateaxis.setLabelFont(new Font("黑体", Font.BOLD, 14));         //水平底部标题
    dateaxis.setTickLabelFont(new Font("宋体", Font.BOLD, 12));  //垂直标题
    ValueAxis rangeAxis = xyplot.getRangeAxis();//获取柱状
    rangeAxis.setLabelFont(new Font("黑体", Font.BOLD, 15));
    jfreechart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15));
    jfreechart.getTitle().setFont(new Font("宋体", Font.BOLD, 20));//设置标题字体
    ChartPanel frame1 = new ChartPanel(jfreechart, true);
    return frame1;
}
 

import org.jfree.chart.plot.XYPlot; //导入方法依赖的package包/类
private JFreeChart createChart(XYDataset dataset) {
	// create the chart...
	JFreeChart chart = ChartFactory.createXYLineChart(null,      // chart title
			null,                      // x axis label
			null,                      // y axis label
			dataset,                  // data
			PlotOrientation.VERTICAL, true,                     // include legend
			true,                     // tooltips
			false                     // urls
			);

	chart.setBackgroundPaint(Color.white);

	// get a reference to the plot for further customisation...
	XYPlot plot = (XYPlot) chart.getPlot();
	plot.setBackgroundPaint(Color.WHITE);
	plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
	plot.setDomainGridlinePaint(Color.LIGHT_GRAY);
	plot.setRangeGridlinePaint(Color.LIGHT_GRAY);

	ValueAxis valueAxis = plot.getRangeAxis();
	valueAxis.setLabelFont(PlotterAdapter.LABEL_FONT_BOLD);
	valueAxis.setTickLabelFont(PlotterAdapter.LABEL_FONT);

	ValueAxis domainAxis = plot.getDomainAxis();
	domainAxis.setLabelFont(PlotterAdapter.LABEL_FONT_BOLD);
	domainAxis.setTickLabelFont(PlotterAdapter.LABEL_FONT);

	DeviationRenderer renderer = new DeviationRenderer(true, false);
	Stroke stroke = new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
	if (dataset.getSeriesCount() == 1) {
		renderer.setSeriesStroke(0, stroke);
		renderer.setSeriesPaint(0, Color.RED);
		renderer.setSeriesFillPaint(0, Color.RED);
	} else if (dataset.getSeriesCount() == 2) {
		renderer.setSeriesStroke(0, stroke);
		renderer.setSeriesPaint(0, Color.RED);
		renderer.setSeriesFillPaint(0, Color.RED);

		renderer.setSeriesStroke(1, stroke);
		renderer.setSeriesPaint(1, Color.BLUE);
		renderer.setSeriesFillPaint(1, Color.BLUE);
	} else {
		for (int i = 0; i < dataset.getSeriesCount(); i++) {
			renderer.setSeriesStroke(i, stroke);
			Color color = colorProvider.getPointColor((double) i / (double) (dataset.getSeriesCount() - 1));
			renderer.setSeriesPaint(i, color);
			renderer.setSeriesFillPaint(i, color);
		}
	}
	renderer.setAlpha(0.12f);
	plot.setRenderer(renderer);

	// legend settings
	LegendTitle legend = chart.getLegend();
	if (legend != null) {
		legend.setPosition(RectangleEdge.TOP);
		legend.setFrame(BlockBorder.NONE);
		legend.setHorizontalAlignment(HorizontalAlignment.LEFT);
		legend.setItemFont(PlotterAdapter.LABEL_FONT);
	}
	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();
        }
    }