/** * Draws a grid line against the domain axis. * * @param g2 the graphics device. * @param plot the plot. * @param dataArea the area for plotting data (not yet adjusted for any 3D effect). * @param value the Java2D value at which the grid line should be drawn. */ public void drawDomainGridline( Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, double value) { Line2D line1 = null; Line2D line2 = null; PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) { double y0 = value; double y1 = value - getYOffset(); double x0 = dataArea.getMinX(); double x1 = x0 + getXOffset(); double x2 = dataArea.getMaxX(); line1 = new Line2D.Double(x0, y0, x1, y1); line2 = new Line2D.Double(x1, y1, x2, y1); } else if (orientation == PlotOrientation.VERTICAL) { double x0 = value; double x1 = value + getXOffset(); double y0 = dataArea.getMaxY(); double y1 = y0 - getYOffset(); double y2 = dataArea.getMinY(); line1 = new Line2D.Double(x0, y0, x1, y1); line2 = new Line2D.Double(x1, y1, x1, y2); } Paint paint = plot.getDomainGridlinePaint(); Stroke stroke = plot.getDomainGridlineStroke(); g2.setPaint(paint != null ? paint : Plot.DEFAULT_OUTLINE_PAINT); g2.setStroke(stroke != null ? stroke : Plot.DEFAULT_OUTLINE_STROKE); g2.draw(line1); g2.draw(line2); }
private static JFreeChart createChart(CategoryDataset paramCategoryDataset) { JFreeChart localJFreeChart = ChartFactory.createAreaChart( "Area Chart", "Category", "Value", paramCategoryDataset, PlotOrientation.VERTICAL, true, true, false); localJFreeChart.setBackgroundPaint(Color.white); TextTitle localTextTitle = new TextTitle( "An area chart demonstration. We use this subtitle as an example of what happens when you get a really long title or subtitle."); localTextTitle.setPosition(RectangleEdge.TOP); localTextTitle.setPadding(new RectangleInsets(UnitType.RELATIVE, 0.05D, 0.05D, 0.05D, 0.05D)); localTextTitle.setVerticalAlignment(VerticalAlignment.BOTTOM); localJFreeChart.addSubtitle(localTextTitle); CategoryPlot localCategoryPlot = (CategoryPlot) localJFreeChart.getPlot(); localCategoryPlot.setForegroundAlpha(0.5F); localCategoryPlot.setDomainGridlinesVisible(true); CategoryAxis localCategoryAxis = localCategoryPlot.getDomainAxis(); localCategoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); localCategoryAxis.setLowerMargin(0.0D); localCategoryAxis.setUpperMargin(0.0D); localCategoryAxis.addCategoryLabelToolTip("Type 1", "The first type."); localCategoryAxis.addCategoryLabelToolTip("Type 2", "The second type."); localCategoryAxis.addCategoryLabelToolTip("Type 3", "The third type."); NumberAxis localNumberAxis = (NumberAxis) localCategoryPlot.getRangeAxis(); localNumberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); localNumberAxis.setLabelAngle(0.0D); ChartUtilities.applyCurrentTheme(localJFreeChart); return localJFreeChart; }
public BoxplotChart(String title, String xAxisTitle, String yAxisTitle) { super(); dataset = new DefaultBoxAndWhiskerCategoryDataset(); CategoryAxis xAxis = new CategoryAxis("Type"); NumberAxis yAxis = new NumberAxis("Value"); BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer(); renderer.setFillBox(false); CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer); chart = new JFreeChart(title, plot); Font font = new Font("Helvetica", Font.BOLD, 12); xAxis.setLabelFont(font); xAxis.setLabel(xAxisTitle); yAxis.setLabelFont(font); yAxis.setLabel(yAxisTitle); // Making it pretty plot.setBackgroundPaint(Color.white); plot.setDomainGridlinePaint(Color.lightGray); plot.setRangeGridlinePaint(Color.lightGray); chart.setBackgroundPaint(Color.white); chart.setTextAntiAlias(true); yAxis.setAutoRange(true); colorGenerator = new ColorGenerator(); datasetIndex = 0; chart.getLegend().setPosition(RectangleEdge.BOTTOM); chart.getLegend().setBorder(1, 1, 1, 1); }
public static void main(String[] args) throws IOException { JFreeChart chart = ChartFactory.createBarChart3D( "图书销量统计图", "图书", // 目录轴的显示标签 "销量", // 数值轴的显示标签 getDataSet(), PlotOrientation.VERTICAL, // 设置图表方向 false, false, false); // 设置标题 chart.setTitle(new TextTitle("图书销量统计图", new Font("黑体", Font.ITALIC, 22))); // 设置图表部分 CategoryPlot plot = (CategoryPlot) chart.getPlot(); CategoryAxis categoryAxis = plot.getDomainAxis(); // 取得横轴 categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 22)); // 设置横轴显示标签的字体 categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 分类标签以45度倾斜 categoryAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 18)); // 分类标签字体 NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis(); // 取得纵轴 numberAxis.setLabelFont(new Font("宋体", Font.BOLD, 42)); // 设置纵轴显示标签字体 FileOutputStream fos = null; fos = new FileOutputStream("book1.jpg"); ChartUtilities.writeChartAsJPEG(fos, 1, chart, 800, 600, null); fos.close(); }
/** * Draws a grid line against the range axis. * * @param g2 the graphics device. * @param plot the plot. * @param axis the value axis. * @param dataArea the area for plotting data (not yet adjusted for any 3D effect). * @param value the value at which the grid line should be drawn. */ public void drawRangeGridline( Graphics2D g2, CategoryPlot plot, ValueAxis axis, Rectangle2D dataArea, double value) { Range range = axis.getRange(); if (!range.contains(value)) { return; } PlotOrientation orientation = plot.getOrientation(); double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge()); Line2D line = null; if (orientation == PlotOrientation.HORIZONTAL) { line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY()); } else if (orientation == PlotOrientation.VERTICAL) { line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v); } Paint paint = plot.getRangeGridlinePaint(); if (paint == null) { paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT; } g2.setPaint(paint); Stroke stroke = plot.getRangeGridlineStroke(); if (stroke == null) { stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE; } g2.setStroke(stroke); g2.draw(line); }
/** * Returns a legend item for a series. * * @param datasetIndex the dataset index (zero-based). * @param series the series index (zero-based). * @return The legend item. */ public LegendItem getLegendItem(int datasetIndex, int series) { CategoryPlot p = getPlot(); if (p == null) { return null; } CategoryDataset dataset; dataset = p.getDataset(datasetIndex); String label = this.legendItemLabelGenerator.generateLabel(dataset, series); String description = label; String toolTipText = null; if (this.legendItemToolTipGenerator != null) { toolTipText = this.legendItemToolTipGenerator.generateLabel(dataset, series); } String urlText = null; if (this.legendItemURLGenerator != null) { urlText = this.legendItemURLGenerator.generateLabel(dataset, series); } Shape shape = getSeriesShape(series); Paint paint = getSeriesPaint(series); Paint outlinePaint = getSeriesOutlinePaint(series); Stroke outlineStroke = getSeriesOutlineStroke(series); // TODO: generate attributed label return new LegendItem( label, description, toolTipText, urlText, shape, paint, outlineStroke, outlinePaint); }
/** * Draws a grid line against the domain axis. * * <p>Note that this default implementation assumes that the horizontal axis is the domain axis. * If this is not the case, you will need to override this method. * * @param g2 the graphics device. * @param plot the plot. * @param dataArea the area for plotting data (not yet adjusted for any 3D effect). * @param value the Java2D value at which the grid line should be drawn. */ public void drawDomainGridline( Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, double value) { Line2D line = null; PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) { line = new Line2D.Double(dataArea.getMinX(), value, dataArea.getMaxX(), value); } else if (orientation == PlotOrientation.VERTICAL) { line = new Line2D.Double(value, dataArea.getMinY(), value, dataArea.getMaxY()); } Paint paint = plot.getDomainGridlinePaint(); if (paint == null) { paint = CategoryPlot.DEFAULT_GRIDLINE_PAINT; } g2.setPaint(paint); Stroke stroke = plot.getDomainGridlineStroke(); if (stroke == null) { stroke = CategoryPlot.DEFAULT_GRIDLINE_STROKE; } g2.setStroke(stroke); g2.draw(line); }
/** * Returns a range axis for a plot. * * @param plot the plot. * @param index the axis index (<code>null</code> for the primary axis). * @return A range axis. */ protected ValueAxis getRangeAxis(CategoryPlot plot, int index) { ValueAxis result = plot.getRangeAxis(index); if (result == null) { result = plot.getRangeAxis(); } return result; }
/** * Returns a domain axis for a plot. * * @param plot the plot. * @param index the axis index. * @return A domain axis. */ protected CategoryAxis getDomainAxis(CategoryPlot plot, int index) { CategoryAxis result = plot.getDomainAxis(index); if (result == null) { result = plot.getDomainAxis(); } return result; }
/** Draws a chart into {@link JFreeChart}. */ public JFreeChart createChart() { final JFreeChart chart = ChartFactory.createLineChart( null, // chart title null, // unused null, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); chart.setBackgroundPaint(Color.white); chart.getLegend().setItemFont(CHART_FONT); final CategoryPlot plot = chart.getCategoryPlot(); configurePlot(plot); configureRangeAxis((NumberAxis) plot.getRangeAxis()); crop(plot); return chart; }
@Override public void customize(JFreeChart chart, ReportParameters reportParameters) { BarRenderer barRenderer = (BarRenderer) chart.getCategoryPlot().getRenderer(); // barRenderer.setBaseSeriesVisible(false);//QUITA LAS BARRAS // barRenderer.setBaseSeriesVisibleInLegend(false); // barRenderer.setDrawBarOutline(false); barRenderer.setShadowVisible(false); barRenderer.setBarPainter(new CustomBarPainter()); barRenderer.setItemMargin(0); // QUITA ESPACIOS ENTRE BARRA Y BARRA CategoryAxis domainAxis = chart.getCategoryPlot().getDomainAxis(); domainAxis.setUpperMargin(0); domainAxis.setLowerMargin(0); domainAxis.setCategoryMargin(0); domainAxis.setAxisLineVisible(false); // este es util Plot plot = chart.getPlot(); // plot.setOutlineVisible(false); plot.setInsets(new RectangleInsets(0, 0, 0, 0)); // este sera util CategoryPlot categoryPlot = chart.getCategoryPlot(); categoryPlot.setAxisOffset(new RectangleInsets(0, 0, 0, 0)); // FAFO6categoryPlot.setRangeGridlinePaint(Color.WHITE); categoryPlot.setDomainGridlinesVisible(false); // FAFO5categoryPlot.setRangeGridlinesVisible(false); // categoryPlot.setBackgroundPaint(Color.white); categoryPlot.setOutlineVisible(false); ValueAxis valueAsix = categoryPlot.getRangeAxis(); valueAsix.setAxisLineVisible(false); // este es muy util valueAsix.setRange(0, objDatosReporte.getIntMaxRango()); valueAsix.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // este es muy util }
/** * Creates a chart. * * @return A chart. */ private static JFreeChart createChart() { CategoryDataset dataset1 = createDataset1(); NumberAxis rangeAxis1 = new NumberAxis("Value"); rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); LineAndShapeRenderer renderer1 = new LineAndShapeRenderer(); renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1); subplot1.setDomainGridlinesVisible(true); CategoryDataset dataset2 = createDataset2(); NumberAxis rangeAxis2 = new NumberAxis("Value"); rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); BarRenderer renderer2 = new BarRenderer(); renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2); subplot2.setDomainGridlinesVisible(true); CategoryAxis domainAxis = new CategoryAxis("Category"); CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis); plot.add(subplot1, 2); plot.add(subplot2, 1); JFreeChart chart = new JFreeChart( "Combined Domain Category Plot Demo", new Font("SansSerif", Font.BOLD, 12), plot, true); ChartUtilities.applyCurrentTheme(chart); return chart; }
private void saveChart(final DefaultCategoryDataset dataset) throws IOException { final JFreeChart chart = ChartFactory.createBarChart( "HtmlUnit implemented properties and methods for " + browserVersion_.getNickname(), "Objects", "Count", dataset, PlotOrientation.HORIZONTAL, true, true, false); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); final NumberAxis axis = (NumberAxis) plot.getRangeAxis(); axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); final LayeredBarRenderer renderer = new LayeredBarRenderer(); plot.setRenderer(renderer); plot.setRowRenderingOrder(SortOrder.DESCENDING); renderer.setSeriesPaint(0, new GradientPaint(0, 0, Color.green, 0, 0, new Color(0, 64, 0))); renderer.setSeriesPaint(1, new GradientPaint(0, 0, Color.blue, 0, 0, new Color(0, 0, 64))); renderer.setSeriesPaint(2, new GradientPaint(0, 0, Color.red, 0, 0, new Color(64, 0, 0))); ImageIO.write( chart.createBufferedImage(1200, 2400), "png", new File( getArtifactsDirectory() + "/properties-" + browserVersion_.getNickname() + ".png")); }
/** * Draws the outline for the plot. * * @param g2 the graphics device. * @param plot the plot. * @param dataArea the area inside the axes. */ @Override public void drawOutline(Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea) { float x0 = (float) dataArea.getX(); float x1 = x0 + (float) Math.abs(this.xOffset); float x3 = (float) dataArea.getMaxX(); float x2 = x3 - (float) Math.abs(this.xOffset); float y0 = (float) dataArea.getMaxY(); float y1 = y0 - (float) Math.abs(this.yOffset); float y3 = (float) dataArea.getMinY(); float y2 = y3 + (float) Math.abs(this.yOffset); GeneralPath clip = new GeneralPath(); clip.moveTo(x0, y0); clip.lineTo(x0, y2); clip.lineTo(x1, y3); clip.lineTo(x3, y3); clip.lineTo(x3, y1); clip.lineTo(x2, y0); clip.closePath(); // put an outline around the data area... Stroke outlineStroke = plot.getOutlineStroke(); Paint outlinePaint = plot.getOutlinePaint(); if ((outlineStroke != null) && (outlinePaint != null)) { g2.setStroke(outlineStroke); g2.setPaint(outlinePaint); g2.draw(clip); } }
/** * Draws a grid line against the domain axis. * * @param g2 the graphics device. * @param plot the plot. * @param dataArea the area for plotting data (not yet adjusted for any 3D effect). * @param value the Java2D value at which the grid line should be drawn. */ @Override public void drawDomainGridline( Graphics2D g2, CategoryPlot plot, Rectangle2D dataArea, double value) { Line2D line1 = null; Line2D line2 = null; PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) { double y0 = value; double y1 = value - getYOffset(); double x0 = dataArea.getMinX(); double x1 = x0 + getXOffset(); double x2 = dataArea.getMaxX(); line1 = new Line2D.Double(x0, y0, x1, y1); line2 = new Line2D.Double(x1, y1, x2, y1); } else if (orientation == PlotOrientation.VERTICAL) { double x0 = value; double x1 = value + getXOffset(); double y0 = dataArea.getMaxY(); double y1 = y0 - getYOffset(); double y2 = dataArea.getMinY(); line1 = new Line2D.Double(x0, y0, x1, y1); line2 = new Line2D.Double(x1, y1, x1, y2); } g2.setPaint(plot.getDomainGridlinePaint()); g2.setStroke(plot.getDomainGridlineStroke()); g2.draw(line1); g2.draw(line2); }
public void loadDataToGrafik() throws IOException { DefaultCategoryDataset dataset = (DefaultCategoryDataset) this.generateData(); chart = ChartFactory.createBarChart( "Statistik Pendidikan Dosen", "Prodi", "Jumlah Dosen", dataset, PlotOrientation.HORIZONTAL, true, true, false); chart.setBackgroundPaint(new Color(0xCC, 0xFF, 0xCC)); final CategoryPlot plot = chart.getCategoryPlot(); plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT); plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT); plot.getRangeAxis().setStandardTickUnits(NumberAxis.createIntegerTickUnits()); final CategoryItemRenderer renderer1 = plot.getRenderer(); renderer1.setSeriesPaint(0, Color.red); renderer1.setSeriesPaint(1, Color.yellow); renderer1.setSeriesPaint(2, Color.green); BarRenderer br = (BarRenderer) renderer1; br.setShadowVisible(false); br.setShadowVisible(false); BufferedImage bi = chart.createBufferedImage(900, 1500, BufferedImage.TRANSLUCENT, null); byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true); AImage image = new AImage("Bar Chart", bytes); chartImg.setContent(image); btnExport.setDisabled(false); }
private void btnPictorialViewActionPerformed( java.awt.event.ActionEvent evt) { // GEN-FIRST:event_btnPictorialViewActionPerformed // TODO add your handling code here: DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset(); for (Product product : supplier.getProductCatalog().getProductCatalog()) { categoryDataset.setValue(product.getSoldQuantity(), "Units", product.getProdName()); } JFreeChart freeChart = ChartFactory.createBarChart( "Sales Report", "Product", "Units", categoryDataset, PlotOrientation.VERTICAL, false, true, false); CategoryPlot categoryPlot = freeChart.getCategoryPlot(); categoryPlot.setRangeGridlinePaint(Color.BLACK); ChartFrame cf = new ChartFrame("Sales Report", freeChart); cf.setVisible(true); cf.setSize(450, 300); } // GEN-LAST:event_btnPictorialViewActionPerformed
/** Replaces the chart's dataset and then checks that the new dataset is OK. */ public void testReplaceDataset() { // create a dataset... Number[][] data = new Integer[][] { {new Integer(-30), new Integer(-20)}, {new Integer(-10), new Integer(10)}, {new Integer(20), new Integer(30)} }; CategoryDataset newData = DatasetUtilities.createCategoryDataset("S", "C", data); LocalListener l = new LocalListener(); this.chart.addChangeListener(l); CategoryPlot plot = (CategoryPlot) this.chart.getPlot(); plot.setDataset(newData); assertEquals(true, l.flag); ValueAxis axis = plot.getRangeAxis(); Range range = axis.getRange(); assertTrue( "Expecting the lower bound of the range to be around -30: " + range.getLowerBound(), range.getLowerBound() <= -30); assertTrue( "Expecting the upper bound of the range to be around 30: " + range.getUpperBound(), range.getUpperBound() >= 30); }
/** * Creates a chart. * * @param dataset the dataset. * @return The chart. */ private static JFreeChart createChart(CategoryDataset dataset) { JFreeChart chart = ChartFactory.createStackedBarChart3D( "Stacked Bar Chart 3D Demo 1", // chart title "Category", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // the plot orientation true, // include legend true, // tooltips false // urls ); CategoryPlot plot = (CategoryPlot) chart.getPlot(); IntervalMarker m = new IntervalMarker( 5.0, 10.0, Color.gray, new BasicStroke(0.5f), Color.blue, new BasicStroke(0.5f), 0.5f); plot.addRangeMarker(m); BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setDrawBarOutline(false); renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); renderer.setBaseItemLabelsVisible(true); renderer.setBasePositiveItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); renderer.setBaseNegativeItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); return chart; }
/** * Creates a chart. * * @return A chart. */ private static JFreeChart createChart(String symbol) { CategoryDataset dataset1 = createDataset1(symbol); NumberAxis rangeAxis1 = new NumberAxis("Jumlah"); rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); LineAndShapeRenderer renderer1 = new LineAndShapeRenderer(); renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1); subplot1.setDomainGridlinesVisible(true); CategoryDataset dataset2 = createDataset2(symbol); NumberAxis rangeAxis2 = new NumberAxis("Jumlah"); rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); BarRenderer renderer2 = new BarRenderer(); renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator()); CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2); subplot2.setDomainGridlinesVisible(true); CategoryAxis domainAxis = new CategoryAxis("Tahun Periksa"); CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis); // CombinedCategoryPlot plot = new CombinedCategoryPlot( // domainAxis, new NumberAxis("Range")); plot.add(subplot1, 2); plot.add(subplot2, 1); JFreeChart result = new JFreeChart("", new Font("SansSerif", Font.BOLD, 10), plot, true); return result; }
/** * Creates a vertical 3D-effect bar chart with default settings. * * @param title the chart title. * @param categoryAxisLabel the label for the category axis. * @param valueAxisLabel the label for the value axis. * @param data the dataset for the chart. * @param legend a flag specifying whether or not a legend is required. * @param tooltips configure chart to generate tool tips? * @param urls configure chart to generate URLs? * @return a vertical 3D-effect bar chart. */ public static JFreeChart createBarChart3D( String title, java.awt.Font titleFont, String categoryAxisLabel, String valueAxisLabel, CategoryDataset data, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls, CategoryURLGenerator urlGenerator) { CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel); ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel); BarRenderer3D renderer = new BarRenderer3D(); // renderer.setLabelGenerator(new StandardCategoryLabelGenerator()); if (tooltips) { renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator()); } if (urls) { renderer.setItemURLGenerator(urlGenerator); } CategoryPlot plot = new CategoryPlot(data, categoryAxis, valueAxis, renderer); plot.setOrientation(orientation); plot.setForegroundAlpha(0.75f); JFreeChart chart = new JFreeChart(title, titleFont, plot, legend); return chart; }
private JFreeChart createChart(CategoryDataset setCategory) { JFreeChart chart = ChartFactory.createBarChart( this.chartTitle, "", "", setCategory, PlotOrientation.VERTICAL, true, true, false); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.addRangeMarker(ChartUtil.getAverageMarker(this.average), Layer.FOREGROUND); BookModel model = this.mainFrame.getBookModel(); Session session = model.beginTransaction(); StrandDAOImpl daoStrand = new StrandDAOImpl(session); List strands = daoStrand.findAll(); model.commit(); Color[] colors = new Color[strands.size()]; int i = 0; Object iObject = strands.iterator(); while (((Iterator) iObject).hasNext()) { Strand strand = (Strand) ((Iterator) iObject).next(); colors[i] = ColorUtil.darker(strand.getJColor(), 0.25D); i++; } iObject = (BarRenderer) plot.getRenderer(); for (int j = 0; j < setCategory.getRowCount(); j++) { Color color = colors[(j % colors.length)]; ((BarRenderer) iObject).setSeriesPaint(j, color); } return chart; }
private JFreeChart formChart() { DefaultCategoryDataset data = new DefaultCategoryDataset(); String dateString = request.getParameter("date"); Date date = null; if (dateString != null && (!dateString.equals("null"))) { date = DayTransformer.transform(dateString); } else { date = new Date(System.currentTimeMillis()); } String[][] storeSellingDis = saleperformanceManage.getStoreSellingDis(DayTransformer.transformToMonth(date)); for (int i = 0; i < storeSellingDis.length; i++) { data.setValue( Double.parseDouble(storeSellingDis[i][1]), storeSellingDis[i][0], storeSellingDis[i][0]); } JFreeChart barChart = ChartFactory.createBarChart( "店铺销售分布图", "店铺名称", "销售额", data, PlotOrientation.VERTICAL, true, true, false); CategoryPlot plot = (CategoryPlot) barChart.getCategoryPlot(); BarRenderer renderer = (BarRenderer) plot.getRenderer(); // 显示条目标签 renderer.setBaseItemLabelsVisible(true); // 设置条目标签生成器,在JFreeChart1.0.6之前可以通过renderer.setItemLabelGenerator(CategoryItemLabelGenerator // generator)方法实现,但是从版本1.0.6开始有下面方法代替 renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); // 设置条目标签显示的位置,outline表示在条目区域外,baseline_center表示基于基线且居中 renderer.setBasePositiveItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER)); barChart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15)); // 设置引用标签字体 barChart.getTitle().setFont(new Font("华文行楷", Font.BOLD, 32)); return barChart; }
private static void generateChart( String benchmark, DefaultCategoryDataset dataset, int benchmarkCount) { JFreeChart chart = ChartFactory.createBarChart( benchmark, "framework", "throughput", dataset, PlotOrientation.HORIZONTAL, true, false, false); CategoryPlot plot = chart.getCategoryPlot(); BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setItemMargin(0); notSoUglyPlease(chart); String pngFile = getOutputName(benchmark); try { int height = 100 + benchmarkCount * 20; ChartUtilities.saveChartAsPNG(new File(pngFile), chart, 700, height); } catch (IOException e) { throw new RuntimeException(e); } }
private static JFreeChart createChart(CategoryDataset categorydataset) { JFreeChart jfreechart = ChartFactory.createStackedBarChart3D( "Stacked Bar Chart 3D Demo 2", "Category", "Value", categorydataset, PlotOrientation.VERTICAL, true, true, false); CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot(); NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis(); numberaxis.setNumberFormatOverride(new DecimalFormat("0.0%")); StackedBarRenderer3D stackedbarrenderer3d = (StackedBarRenderer3D) categoryplot.getRenderer(); stackedbarrenderer3d.setRenderAsPercentages(true); stackedbarrenderer3d.setDrawBarOutline(false); stackedbarrenderer3d.setBaseItemLabelGenerator( new StandardCategoryItemLabelGenerator( "{3}", NumberFormat.getIntegerInstance(), new DecimalFormat("0.0%"))); stackedbarrenderer3d.setBaseItemLabelsVisible(true); stackedbarrenderer3d.setBasePositiveItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); stackedbarrenderer3d.setBaseNegativeItemLabelPosition( new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER)); return jfreechart; }
/** * Creates a stacked area chart with default settings. * * @param title the chart title. * @param categoryAxisLabel the label for the category axis. * @param valueAxisLabel the label for the value axis. * @param data the dataset for the chart. * @param legend a flag specifying whether or not a legend is required. * @param tooltips configure chart to generate tool tips? * @param urls configure chart to generate URLs? * @return an area chart. */ public static JFreeChart createStackedAreaChart( String title, java.awt.Font titleFont, String categoryAxisLabel, String valueAxisLabel, CategoryDataset data, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls, CategoryURLGenerator urlGenerator) { CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel); ValueAxis valueAxis = new NumberAxis(valueAxisLabel); StackedAreaRenderer renderer = new StackedAreaRenderer(); if (tooltips) { renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator()); } if (urls) { renderer.setItemURLGenerator(urlGenerator); } CategoryPlot plot = new CategoryPlot(data, categoryAxis, valueAxis, renderer); plot.setOrientation(orientation); JFreeChart chart = new JFreeChart(title, titleFont, plot, legend); return chart; }
/** * Returns the drawing supplier from the plot. * * @return The drawing supplier (possibly <code>null</code>). */ public DrawingSupplier getDrawingSupplier() { DrawingSupplier result = null; CategoryPlot cp = getPlot(); if (cp != null) { result = cp.getDrawingSupplier(); } return result; }
/** 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); }
/** 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); }
/** * 更新图表显示 * * @param chart */ private void updatePlot(JFreeChart chart) { // 图表 CategoryPlot categoryPlot = chart.getCategoryPlot(); // y轴 ValueAxis valueAxis = categoryPlot.getRangeAxis(); // Y轴数据范围 valueAxis.setRangeAboutValue(200, 1000); }