Java CategoryPlot.getRenderer方法代碼示例

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * 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);
    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();

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

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
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);
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
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);
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * Check that setting a URL generator for a series does override the
 * default generator.
 */
public void testSetSeriesURLGenerator() {
    CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
    CategoryItemRenderer renderer = plot.getRenderer();
    StandardCategoryURLGenerator url1
            = new StandardCategoryURLGenerator();
    renderer.setSeriesItemURLGenerator(0, url1);
    CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
    assertTrue(url2 == url1);
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * Check that setting a tool tip generator for a series does override the
 * default generator.
 */
public void testSetSeriesToolTipGenerator() {
    CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
    CategoryItemRenderer renderer = plot.getRenderer();
    StandardCategoryToolTipGenerator tt
            = new StandardCategoryToolTipGenerator();
    renderer.setSeriesToolTipGenerator(0, tt);
    CategoryToolTipGenerator tt2 = renderer.getToolTipGenerator(0, 0);
    assertTrue(tt2 == tt);
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
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; //導入方法依賴的package包/類
public static void createDayOfWeekBreakageDistributionChart(final SortedMap stats, final String categoryLabel, final OutputStream out) throws IOException {


    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (final Iterator iter = stats.entrySet().iterator(); iter.hasNext();) {
      final Map.Entry entry = (Map.Entry) iter.next();
      final Integer dayOfWeek = (Integer) entry.getKey();
      final BuildStatistics bst = (BuildStatistics) entry.getValue();
      dataset.addValue(new Integer(bst.getFailedBuilds()), "Failed builds", new ComparableDayOfWeek(dayOfWeek));
    }

    // create the chart object

    // This generates a stacked bar - more suitable
    final JFreeChart chart = ChartFactory.createStackedBarChart(null,
            categoryLabel, "Builds", dataset,
            PlotOrientation.VERTICAL,
            true, false, false);
    chart.setBackgroundPaint(Color.white);

    // change the auto tick unit selection to integer units only
    final CategoryPlot plot = chart.getCategoryPlot();
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // set bar colors
    final BarRenderer bar = (BarRenderer) plot.getRenderer();
    bar.setItemMargin(0); // reduce the width between the bars.
    bar.setSeriesPaint(0, Color.RED); // first bar

    // write to reposnce
    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    ChartUtilities.writeChartAsPNG(out, chart, IMG_WIDTH, IMG_HEIGHT, info);
  }
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
public void crearBarChartCosteEnergiaRescateVictimas(CategoryDataset dataset) {
         JFreeChart chart = ChartFactory.createBarChart(
        "Energ�a consumida para salvar las victimas ", // chart title
        "Victimas ordenadas por tiempo de rescate", // domain axis label
        "Energ�a consumida", // 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));
      setContentPane(chartPanel);
      this.pack();
      RefineryUtilities.centerFrameOnScreen(this);
      this.setVisible(true);
//        return chart;
            }
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * Creates a chart for recent time to fix.
 *
 */
public void createChart(final SortedMap time, final String valueKey, final Color lineColor, final OutputStream out) throws IOException {

  final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
  addTimeToDataSet(dataset, time, valueKey);

  // create the chart object

  // This generates a stacked bar - more suitable

  final JFreeChart chart = ChartFactory.createLineChart(null,
    "Recent builds", "Time", dataset,
    PlotOrientation.VERTICAL,
    true, false, false);
  chart.setBackgroundPaint(Color.white);

  // change the auto tick unit selection to integer units only

  final CategoryPlot plot = chart.getCategoryPlot();
  final NumberAxis rangeAxis = (NumberAxis)plot.getRangeAxis();
  rangeAxis.setStandardTickUnits(StatisticsUtils.createWordedTimeTickUnits());

  // rotate X dates

  final CategoryAxis domainAxis = plot.getDomainAxis();
  domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

  // set bar colors

  final LineAndShapeRenderer line = (LineAndShapeRenderer)plot.getRenderer();
  line.setSeriesPaint(0, lineColor);
  line.setStroke(StatisticsUtils.DEFAULT_LINE_STROKE);

  // write to reposnce

  final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
  ChartUtilities.writeChartAsPNG(out, chart, StatisticsUtils.IMG_WIDTH, StatisticsUtils.IMG_HEIGHT, info);
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
public static void createHourlyBreakageDistributionChart(final SortedMap stats, final String categoryLabel, final OutputStream out) throws IOException {

    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (final Iterator iter = stats.entrySet().iterator(); iter.hasNext();) {
      final Map.Entry entry = (Map.Entry) iter.next();
      final Integer hour = (Integer) entry.getKey();
      final BuildStatistics bst = (BuildStatistics) entry.getValue();
      dataset.addValue(new Integer(bst.getFailedBuilds()), "Failed builds", hour);
    }

    // create the chart object

    // This generates a stacked bar - more suitable
    final JFreeChart chart = ChartFactory.createStackedBarChart(null,
            categoryLabel, "Builds", dataset,
            PlotOrientation.VERTICAL,
            true, false, false);
    chart.setBackgroundPaint(Color.white);

    // change the auto tick unit selection to integer units only
    final CategoryPlot plot = chart.getCategoryPlot();
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // set bar colors
    final BarRenderer bar = (BarRenderer) plot.getRenderer();
    bar.setItemMargin(0); // reduce the width between the bars.
    bar.setSeriesPaint(0, Color.RED); // first bar

    // write to reposnce
    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    ChartUtilities.writeChartAsPNG(out, chart, IMG_WIDTH, IMG_HEIGHT, info);
  }
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
public ImmutableImage generate(final List samples) {
  try {
    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (int i = 0; i < samples.size(); i++) {
      final AgentStatusSample sample = (AgentStatusSample) samples.get(i);
      dataset.addValue(sample.getBusyCounter(), "Load", new ColumnKey(i));
    }

    final JFreeChart chart = ChartFactory.createLineChart(null,
            "Last 24 Hours", "Builds", dataset,
            PlotOrientation.VERTICAL,
            false, false, false);
    chart.setBackgroundPaint(Color.white);

    // Change the auto tick unit selection to integer units only

    final CategoryPlot plot = chart.getCategoryPlot();
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // Rotate X dates

    final CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

    // Set bar colors

    final LineAndShapeRenderer line = (LineAndShapeRenderer) plot.getRenderer();
    line.setSeriesPaint(0, Color.BLUE);
    line.setStroke(StatisticsUtils.DEFAULT_LINE_STROKE);

    // Write to byte array

    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    final ByteArrayOutputStream out = new ByteArrayOutputStream(1000);
    ChartUtilities.writeChartAsPNG(out, chart, width, height, info);
    out.flush();
    out.close();

    // Return result
    return new ImmutableImage(out.toByteArray(), width, height);
  } catch (IOException e) {
    final ErrorManager errorManager = ErrorManagerFactory.getErrorManager();
    final Error error = new Error("Error generating agent status chart: " + StringUtils.toString(e), e);
    errorManager.reportSystemError(error);
    return ImmutableImage.ZERO_SIZE_IMAGE;
  }
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * Draws the axis on a Java 2D graphics device (such as the screen or a 
 * printer).
 *
 * @param g2  the graphics device.
 * @param cursor  the cursor.
 * @param plotArea  the area for drawing the axes and data.
 * @param dataArea  the area for drawing the data (a subset of the 
 *                  plotArea).
 * @param edge  the axis location.
 * @param plotState  collects information about the plot (<code>null</code>
 *                   permitted).
 * 
 * @return The updated cursor value.
 */
public AxisState draw(Graphics2D g2, double cursor, Rectangle2D plotArea, 
        Rectangle2D dataArea, RectangleEdge edge, 
        PlotRenderingInfo plotState) {

    // if the axis is not visible, don't draw it...
    if (!isVisible()) {
        AxisState state = new AxisState(cursor);
        // even though the axis is not visible, we need ticks for the 
        // gridlines...
        List ticks = refreshTicks(g2, state, dataArea, edge); 
        state.setTicks(ticks);
        return state;
    }

    // calculate the adjusted data area taking into account the 3D effect...
    double xOffset = 0.0;
    double yOffset = 0.0;
    Plot plot = getPlot();
    if (plot instanceof CategoryPlot) {
        CategoryPlot cp = (CategoryPlot) plot;
        CategoryItemRenderer r = cp.getRenderer();
        if (r instanceof Effect3D) {
            Effect3D e3D = (Effect3D) r;
            xOffset = e3D.getXOffset();
            yOffset = e3D.getYOffset();
        }
    }

    double adjustedX = dataArea.getMinX();
    double adjustedY = dataArea.getMinY();
    double adjustedW = dataArea.getWidth() - xOffset;
    double adjustedH = dataArea.getHeight() - yOffset;

    if (edge == RectangleEdge.LEFT || edge == RectangleEdge.BOTTOM) {
        adjustedY += yOffset;
    }
    else if (edge == RectangleEdge.RIGHT || edge == RectangleEdge.TOP) {
        adjustedX += xOffset;
    }
    Rectangle2D adjustedDataArea = new Rectangle2D.Double(adjustedX, 
            adjustedY, adjustedW, adjustedH);

    // draw the tick marks and labels...
    AxisState info = drawTickMarksAndLabels(g2, cursor, plotArea, 
            adjustedDataArea, edge);
   
    // draw the axis label...
    info = drawLabel(getLabel(), g2, plotArea, dataArea, edge, info);

    return info;
    
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * Draws the axis on a Java 2D graphics device (such as the screen or a printer).
 *
 * @param g2  the graphics device.
 * @param cursor  the cursor.
 * @param plotArea  the area for drawing the axes and data.
 * @param dataArea  the area for drawing the data (a subset of the plotArea).
 * @param edge  the axis location.
 * @param plotState  collects information about the plot (<code>null</code> permitted).
 * 
 * @return The updated cursor value.
 */
public AxisState draw(Graphics2D g2, 
                      double cursor,
                      Rectangle2D plotArea, 
                      Rectangle2D dataArea, 
                      RectangleEdge edge,
                      PlotRenderingInfo plotState) {

    // if the axis is not visible, don't draw it...
    if (!isVisible()) {
        AxisState state = new AxisState(cursor);
        // even though the axis is not visible, we need ticks for the gridlines...
        List ticks = refreshTicks(g2, state, plotArea, dataArea, edge); 
        state.setTicks(ticks);
        return state;
    }

    // calculate the adjusted data area taking into account the 3D effect...
    CategoryPlot plot = (CategoryPlot) getPlot();

    Effect3D e3D = (Effect3D) plot.getRenderer();
    double adjustedX = dataArea.getMinX();
    double adjustedY = dataArea.getMinY();
    double adjustedW = dataArea.getWidth() - e3D.getXOffset();
    double adjustedH = dataArea.getHeight() - e3D.getYOffset();

    if (edge == RectangleEdge.LEFT || edge == RectangleEdge.BOTTOM) {
        adjustedY += e3D.getYOffset();
    }
    else if (edge == RectangleEdge.RIGHT || edge == RectangleEdge.TOP) {
        adjustedX += e3D.getXOffset();
    }
    Rectangle2D adjustedDataArea = new Rectangle2D.Double(adjustedX, adjustedY,
                                                          adjustedW, adjustedH);

    // draw the tick marks and labels...
    AxisState info = drawTickMarksAndLabels(g2, cursor, plotArea, adjustedDataArea, edge);
   
    // draw the axis label...
    info = drawLabel(getLabel(), g2, plotArea, dataArea, edge, info);

    return info;
    
}
 

import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
/**
 * Creates a sample chart.
 * 
 * @param dataset  the dataset.
 * 
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    
    // create the chart...
    JFreeChart chart = ChartFactory.createBarChart(
        "Bar Chart Demo",         // chart title
        "Category",               // domain axis label
        "Value",                  // range axis label
        dataset,                  // data
        PlotOrientation.VERTICAL, // orientation
        true,                     // include legend
        true,                     // tooltips?
        false                     // URLs?
    );

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...

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

    // get a reference to the plot for further customisation...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.white);

    // set the range axis to display integers only...
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(
        CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
    );
    // OPTIONAL CUSTOMISATION COMPLETED.
    
    return chart;
    
}