List of usage examples for org.jfree.chart ChartFactory createHistogram
public static JFreeChart createHistogram(String title, String xAxisLabel, String yAxisLabel, IntervalXYDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls)
From source file:com.compomics.cell_coord.gui.controller.computation.ComputationDataController.java
/** * * @param track/*from w ww.j a v a 2 s. com*/ */ private void plotDisplacements(Track track) { double[] values = ArrayUtils.toPrimitive(ComputationUtils.excludeNullValues(track.getStepDisplacements())); HistogramDataset histogramDataset = new HistogramDataset(); histogramDataset.addSeries("", values, 5); String title = "displacements for track: " + track.getTrackid(); JFreeChart jFreeChart = ChartFactory.createHistogram(title, "displ", "count", histogramDataset, PlotOrientation.VERTICAL, true, true, true); ChartPanel chartPanel = new ChartPanel(jFreeChart); computationDataPanel.getDisplPlotPanel().removeAll(); computationDataPanel.getDisplPlotPanel().add(chartPanel, gridBagConstraints); computationDataPanel.getDisplPlotPanel().revalidate(); computationDataPanel.getDisplPlotPanel().repaint(); }
From source file:org.deegree.test.gui.StressTestController.java
private void drawDiagram(HttpServletResponse response, int width, int height) throws IOException { int n = resultData.size(); double[] values = new double[n]; for (int i = 0; i < n; i++) values[i] = resultData.get(i).getTimeElapsed() / 1000.0; HistogramDataset dataset = new HistogramDataset(); dataset.addSeries(new Double(1.0), values, n); JFreeChart chart = ChartFactory.createHistogram("timeVSfreq", "time", "frequency", dataset, PlotOrientation.VERTICAL, true, true, true); ChartRenderingInfo info = new ChartRenderingInfo(); BufferedImage buf = chart.createBufferedImage(width, height, 1, info); response.setContentType("image/jpeg"); OutputStream out = response.getOutputStream(); ImageIO.write(buf, "jpg", out); out.close();/*from w w w . j av a 2s.com*/ }
From source file:org.locationtech.udig.processingtoolbox.tools.HistogramDialog.java
private void updateChart(SimpleFeatureCollection features, String field) { int bin = spinner.getSelection(); double[] values = getValues(features, field); HistogramDataset dataset = new HistogramDataset(); dataset.addSeries(field, values, bin, minMaxVisitor.getMinX(), minMaxVisitor.getMaxX()); dataset.setType(histogramType);/*from w w w .j a v a 2 s . co m*/ JFreeChart chart = ChartFactory.createHistogram(EMPTY, null, null, dataset, PlotOrientation.VERTICAL, false, false, false); // 1. Create a single plot containing both the scatter and line chart.setBackgroundPaint(java.awt.Color.WHITE); chart.setBorderVisible(false); XYPlot plot = (XYPlot) chart.getPlot(); plot.setForegroundAlpha(0.85F); plot.setBackgroundPaint(java.awt.Color.WHITE); plot.setOrientation(PlotOrientation.VERTICAL); plot.setDomainGridlinePaint(java.awt.Color.LIGHT_GRAY); plot.setRangeGridlinePaint(java.awt.Color.LIGHT_GRAY); int fontStyle = java.awt.Font.BOLD; FontData fontData = getShell().getDisplay().getSystemFont().getFontData()[0]; NumberAxis valueAxis = new NumberAxis(cboField.getText()); valueAxis.setLabelFont(new Font(fontData.getName(), fontStyle, 12)); valueAxis.setTickLabelFont(new Font(fontData.getName(), fontStyle, 10)); valueAxis.setAutoRange(false); valueAxis.setRange(minMaxVisitor.getMinX(), minMaxVisitor.getMaxX()); String rangeAxisLabel = histogramType == HistogramType.FREQUENCY ? "Frequency" : "Ratio"; //$NON-NLS-1$ //$NON-NLS-2$ NumberAxis rangeAxis = new NumberAxis(rangeAxisLabel); rangeAxis.setLabelFont(new Font(fontData.getName(), fontStyle, 12)); rangeAxis.setTickLabelFont(new Font(fontData.getName(), fontStyle, 10)); if (histogramType == HistogramType.FREQUENCY) { rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); } XYBarRenderer renderer = (XYBarRenderer) plot.getRenderer(); renderer.setShadowVisible(false); CustomXYBarPainter.selectedColumn = -1; // init renderer.setBarPainter(new CustomXYBarPainter()); renderer.setAutoPopulateSeriesFillPaint(true); renderer.setAutoPopulateSeriesPaint(true); renderer.setShadowXOffset(3); renderer.setMargin(0.01); renderer.setBaseItemLabelsVisible(true); ItemLabelPosition pos = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.TOP_CENTER); renderer.setBasePositiveItemLabelPosition(pos); XYToolTipGenerator plotToolTip = new StandardXYToolTipGenerator(); renderer.setBaseToolTipGenerator(plotToolTip); // color GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, java.awt.Color.GRAY, 0.0f, 0.0f, java.awt.Color.LIGHT_GRAY); renderer.setSeriesPaint(0, gp0); plot.setDomainAxis(0, valueAxis); plot.setRangeAxis(0, rangeAxis); // 3. Setup line // Create the line data, renderer, and axis XYItemRenderer lineRenderer = new XYLineAndShapeRenderer(true, false); // Lines only lineRenderer.setSeriesPaint(0, java.awt.Color.RED); lineRenderer.setSeriesStroke(0, new BasicStroke(2f)); // Set the line data, renderer, and axis into plot NumberAxis xLineAxis = new NumberAxis(EMPTY); xLineAxis.setTickMarksVisible(false); xLineAxis.setTickLabelsVisible(false); xLineAxis.setAutoRange(false); NumberAxis yLineAxis = new NumberAxis(EMPTY); yLineAxis.setTickMarksVisible(false); yLineAxis.setTickLabelsVisible(false); yLineAxis.setAutoRange(false); double maxYValue = Double.MIN_VALUE; for (int i = 0; i < dataset.getItemCount(0); i++) { maxYValue = Math.max(maxYValue, dataset.getYValue(0, i)); } XYSeriesCollection lineDatset = new XYSeriesCollection(); // Vertical Average XYSeries vertical = new XYSeries("Average"); //$NON-NLS-1$ vertical.add(minMaxVisitor.getAverageX(), 0); vertical.add(minMaxVisitor.getAverageX(), maxYValue); lineDatset.addSeries(vertical); plot.setDataset(1, lineDatset); plot.setRenderer(1, lineRenderer); plot.setDomainAxis(1, xLineAxis); plot.setRangeAxis(1, yLineAxis); // Map the line to the second Domain and second Range plot.mapDatasetToDomainAxis(1, 0); plot.mapDatasetToRangeAxis(1, 0); chartComposite.setChart(chart); chartComposite.forceRedraw(); }
From source file:net.sf.jsfcomp.chartcreator.utils.ChartUtils.java
public static JFreeChart createChartWithXYDataSet(ChartData chartData) { XYDataset dataset = (XYDataset) chartData.getDatasource(); String type = chartData.getType(); String xAxis = chartData.getXlabel(); String yAxis = chartData.getYlabel(); boolean legend = chartData.isLegend(); JFreeChart chart = null;/* ww w.j av a2 s. c o m*/ PlotOrientation plotOrientation = ChartUtils.getPlotOrientation(chartData.getOrientation()); if (type.equalsIgnoreCase("timeseries")) { chart = ChartFactory.createTimeSeriesChart("", xAxis, yAxis, dataset, legend, true, false); } else if (type.equalsIgnoreCase("xyline")) { chart = ChartFactory.createXYLineChart("", xAxis, yAxis, dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("polar")) { chart = ChartFactory.createPolarChart("", dataset, legend, true, false); } else if (type.equalsIgnoreCase("scatter")) { chart = ChartFactory.createScatterPlot("", xAxis, yAxis, dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("xyarea")) { chart = ChartFactory.createXYAreaChart("", xAxis, yAxis, dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("xysteparea")) { chart = ChartFactory.createXYStepAreaChart("", xAxis, yAxis, dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("xystep")) { chart = ChartFactory.createXYStepChart("", xAxis, yAxis, dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("bubble")) { chart = ChartFactory.createBubbleChart("", xAxis, yAxis, (XYZDataset) dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("candlestick")) { chart = ChartFactory.createCandlestickChart("", xAxis, yAxis, (OHLCDataset) dataset, legend); } else if (type.equalsIgnoreCase("boxandwhisker")) { chart = ChartFactory.createBoxAndWhiskerChart("", xAxis, yAxis, (BoxAndWhiskerXYDataset) dataset, legend); } else if (type.equalsIgnoreCase("highlow")) { chart = ChartFactory.createHighLowChart("", xAxis, yAxis, (OHLCDataset) dataset, legend); } else if (type.equalsIgnoreCase("histogram")) { chart = ChartFactory.createHistogram("", xAxis, yAxis, (IntervalXYDataset) dataset, plotOrientation, legend, true, false); } else if (type.equalsIgnoreCase("wind")) { chart = ChartFactory.createWindPlot("", xAxis, yAxis, (WindDataset) dataset, legend, true, false); } if (chart.getPlot() instanceof XYPlot) { chart.getXYPlot().setDomainGridlinesVisible(chartData.isDomainGridLines()); chart.getXYPlot().setRangeGridlinesVisible(chartData.isRangeGridLines()); if (chartData.getGenerateMap() != null) chart.getXYPlot().getRenderer().setURLGenerator(new StandardXYURLGenerator("")); } setXYSeriesColors(chart, chartData); setXYExtensions(chart, chartData); return chart; }
From source file:com.compomics.cell_coord.gui.controller.computation.ComputationDataController.java
/** * * @param track/* www.j a v a2 s .c om*/ */ private void plotAngles(Track track) { double[] values = ArrayUtils.toPrimitive(ComputationUtils.excludeNullValues(track.getAngles())); HistogramDataset histogramDataset = new HistogramDataset(); histogramDataset.addSeries("", values, 5); String title = "angles for track: " + track.getTrackid(); JFreeChart jFreeChart = ChartFactory.createHistogram(title, "angle", "count", histogramDataset, PlotOrientation.VERTICAL, true, true, true); ChartPanel chartPanel = new ChartPanel(jFreeChart); computationDataPanel.getAnglePlotPanel().removeAll(); computationDataPanel.getAnglePlotPanel().add(chartPanel, gridBagConstraints); computationDataPanel.getAnglePlotPanel().revalidate(); computationDataPanel.getAnglePlotPanel().repaint(); }
From source file:org.jfree.chart.demo.ThumbnailDemo1.java
private static JFreeChart createChart5(IntervalXYDataset intervalxydataset) { JFreeChart jfreechart = ChartFactory.createHistogram("Histogram Demo 1", null, null, intervalxydataset, PlotOrientation.VERTICAL, true, true, false); jfreechart.setBackgroundPaint(Color.white); XYPlot xyplot = (XYPlot) jfreechart.getPlot(); xyplot.setBackgroundPaint(Color.lightGray); xyplot.setDomainGridlinePaint(Color.white); xyplot.setRangeGridlinePaint(Color.white); xyplot.setForegroundAlpha(0.85F);//from www .j a va 2 s. co m XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer(); xybarrenderer.setDrawBarOutline(false); return jfreechart; }
From source file:v800_trainer.JHistogram.java
public JPanel StartHistoHm(JCicloTronic JTronicHandle) { boolean Summenhisto; int von = 0;// ww w.j a v a2 s . c o m int bis = 0; int num = 0; int selected; int single; int Gruppen = 0; int i = 100; int j = 10; int m = 0; int n = 0; int Linecount = 0; int Anzahl = 1; JFreeChart chart; double DummyData[] = new double[1]; selected = JTronicHandle.Auswahl_Histogramm.getSelectedIndex(); Summenhisto = JTronicHandle.Summenhistogramm_Check.isSelected(); chart = ChartFactory.createHistogram("", "Steigung [m/min]", "Hufigkeit", new HistogramDataset(), PlotOrientation.HORIZONTAL, true, true, true); chart.setBackgroundPaint(Color.white); JTronicHandle.applyChartTheme(chart); XYPlot plot = chart.getXYPlot(); plot.setOrientation(PlotOrientation.VERTICAL); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.getRangeAxis().setFixedDimension(15.0); ArrayList Bufferarray = new ArrayList(); double Buffer; if (selected == 0) { single = 1; } else { single = 0; Summenhisto = false; } ; try { von = Integer.parseInt(JTronicHandle.Properties.getProperty("HistovonHm", "100")); bis = Integer.parseInt(JTronicHandle.Properties.getProperty("HistobisHm", "200")); Gruppen = Integer.parseInt(JTronicHandle.Properties.getProperty("HistostepHm", "10")); Anzahl = (JTronicHandle.Auswahl_Histogramm.getItemCount() - 2) * single + 1; for (j = 0; j < Anzahl; j++) { if (single == 1) { selected = j + 1; } if (!Summenhisto) { num = JTronicHandle.Statistikhandle.TourData[selected].Datenpunkte; } else { num += JTronicHandle.Statistikhandle.TourData[selected].Datenpunkte; } n = 0; if (!Summenhisto) { create_Start_Stop(JTronicHandle, selected); //die limits einer gezoomten Graphik ermitteln for (i = start; i < stop; i++) { Buffer = (double) JTronicHandle.Statistikhandle.TourData[selected].Steigm_gesZeit[i]; if (Buffer >= von && Buffer <= bis) { Bufferarray.add(Buffer); } } } else { for (i = 0; i < j + 1; i++) { create_Start_Stop(JTronicHandle, i + 1); for (m = start; m < stop; m++) { Buffer = (double) JTronicHandle.Statistikhandle.TourData[i + 1].Steigm_gesZeit[m]; if (Buffer >= von && Buffer <= bis) { Bufferarray.add(Buffer); } } } } DummyData = new double[Bufferarray.size()]; for (i = 0; i < Bufferarray.size(); i++) { DummyData[i] = new Double(Bufferarray.get(i).toString()); } if (!Summenhisto) { HistogramDataset histoHM = new HistogramDataset(); histoHM.addSeries( "" + JTronicHandle.Statistikhandle.TourData[selected].Tag + "." + JTronicHandle.Statistikhandle.TourData[selected].Monat + "." + JTronicHandle.Statistikhandle.TourData[selected].Jahr, DummyData, Gruppen, (double) von, (double) bis); histoHM.setType(HistogramType.RELATIVE_FREQUENCY); plot.setDataset(Linecount, histoHM); plot.mapDatasetToRangeAxis(Linecount, 0); XYBarRenderer renderer = new XYBarRenderer(); renderer.setDrawBarOutline(true); renderer.setSeriesPaint(0, getColour(Linecount, (int) 255 / Anzahl)); renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator()); plot.setRenderer(Linecount, renderer); } Linecount++; } } catch (Exception e) { JOptionPane.showMessageDialog(null, "StartHistoSp\nFehler: Hm " + e + " " + i + " " + j, "Achtung!", JOptionPane.ERROR_MESSAGE); } if (Summenhisto) { HistogramDataset histoHM = new HistogramDataset(); histoHM.addSeries("Summenhistogram", DummyData, Gruppen, (double) von, (double) bis); histoHM.setType(HistogramType.RELATIVE_FREQUENCY); plot.setDataset(0, histoHM); plot.mapDatasetToRangeAxis(0, 0); XYItemRenderer renderer = new XYBarRenderer(); renderer.setSeriesPaint(0, Color.blue); renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator()); plot.setRenderer(0, renderer); } chart.setPadding(padding); ChartPanel Panel = new ChartPanel(chart); return Panel; }
From source file:compecon.dashboard.panel.HouseholdsPanel.java
protected JFreeChart createIncomeDistributionPanel(Currency currency) { IntervalXYDataset dataset = ApplicationContext.getInstance().getModelRegistry() .getNationalEconomyModel(currency).householdsModel.incomeDistributionModel.getHistogramDataset(); JFreeChart incomeDistributionChart = ChartFactory.createHistogram("Income Distribution", "Income", "% Households at Income", dataset, PlotOrientation.VERTICAL, true, false, false); return incomeDistributionChart; }
From source file:weka.gui.beans.JFreeChartOffscreenChartRenderer.java
/** * Render histogram(s) (numeric attribute) or bar chart (nominal attribute). * Some implementations may not be able to render more than one histogram/bar * on the same chart - the implementation can either throw an exception or * just process the first series in this case. * //from w w w. j a v a2 s . c o m * @param width the width of the resulting chart in pixels * @param height the height of the resulting chart in pixels * @param series a list of Instances - one for each series to be plotted * @param attsToPlot the attribute to plot corresponding to the Instances in * the series list * @param optionalArgs optional arguments to the renderer (may be null) * * @return a BufferedImage containing the chart * @throws Exception if there is a problem rendering the chart */ public BufferedImage renderHistogram(int width, int height, List<Instances> series, String attToPlot, List<String> additionalArgs) throws Exception { String plotTitle = "Bar Chart"; String userTitle = getOption(additionalArgs, "-title"); plotTitle = (userTitle != null) ? userTitle : plotTitle; String colorAtt = getOption(additionalArgs, "-color"); String pareto = getOption(additionalArgs, "-pareto"); boolean doPareto = false; if (pareto != null && pareto.length() == 0 && series.size() == 1) { doPareto = true; } if (series.size() == 1 && colorAtt != null && colorAtt.length() > 0) { int colIndex = getIndexOfAttribute(series.get(0), colorAtt); if (colIndex >= 0 && series.get(0).attribute(colIndex).isNominal() && !doPareto) { // split single series out into multiple instances objects - one // per class series = splitToClasses(series.get(0), colIndex); for (Instances insts : series) { insts.setClassIndex(colIndex); } } } Instances masterInstances = series.get(0); int attIndex = getIndexOfAttribute(masterInstances, attToPlot); if (attIndex < 0) { attIndex = 0; } if (!(series.get(0).attribute(attIndex).isNominal() || series.get(0).attribute(attIndex).isRelationValued())) { doPareto = false; } // Do a pareto chart if (doPareto) { final DefaultKeyedValues data = new DefaultKeyedValues(); AttributeStats attStats = masterInstances.attributeStats(attIndex); double[] attValFreqs = attStats.nominalWeights; for (int i = 0; i < attValFreqs.length; i++) { Number freq = new Double(attValFreqs[i]); data.addValue(masterInstances.attribute(attIndex).value(i), freq); } data.sortByValues(SortOrder.DESCENDING); final KeyedValues cumulative = DataUtilities.getCumulativePercentages(data); final CategoryDataset dataset = DatasetUtilities .createCategoryDataset(masterInstances.attribute(attIndex).name(), data); final JFreeChart chart = ChartFactory.createBarChart(plotTitle, masterInstances.attribute(attIndex).name(), "Fequency/weight mass", dataset, PlotOrientation.VERTICAL, true, false, false); final CategoryPlot plot = chart.getCategoryPlot(); final CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setLowerMargin(0.02); domainAxis.setUpperMargin(0.02); LineAndShapeRenderer renderer2 = new LineAndShapeRenderer(); CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative", cumulative); final NumberAxis axis2 = new NumberAxis("Percent"); axis2.setNumberFormatOverride(NumberFormat.getPercentInstance()); // plot. plot.setRangeAxis(1, axis2); plot.setDataset(1, dataset2); plot.setRenderer(1, renderer2); plot.mapDatasetToRangeAxis(1, 1); plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); chart.setBackgroundPaint(java.awt.Color.white); BufferedImage image = chart.createBufferedImage(width, height); return image; } boolean seriesAreClasses = false; int classIndex = masterInstances.classIndex(); if (classIndex >= 0 && !masterInstances.attribute(classIndex).isNumeric() && !masterInstances.attribute(classIndex).isRelationValued() && masterInstances.attributeStats(classIndex).distinctCount == 1) { // series correspond to class labels (assume that subsequent series only // contain instances of one class)... seriesAreClasses = true; } // bar chart for a nominal attribute if (masterInstances.attribute(attIndex).isNominal() || masterInstances.attribute(attIndex).isString()) { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); // do the master series String masterSeriesTitle = masterInstances.relationName(); if (seriesAreClasses) { for (int i = 0; i < masterInstances.numInstances(); i++) { Instance current = masterInstances.instance(i); if (!current.isMissing(classIndex)) { masterSeriesTitle = current.stringValue(classIndex); break; } } } AttributeStats attStats = masterInstances.attributeStats(attIndex); double[] attValFreqs = attStats.nominalWeights; for (int i = 0; i < attValFreqs.length; i++) { Number freq = new Double(attValFreqs[i]); dataset.addValue(freq, masterSeriesTitle, masterInstances.attribute(attIndex).value(i)); } // any subsequent series for (int i = 1; i < series.size(); i++) { Instances nextSeries = series.get(i); String seriesTitle = nextSeries.relationName(); if (seriesAreClasses) { for (int j = 0; j < nextSeries.numInstances(); j++) { Instance current = nextSeries.instance(j); if (!current.isMissing(classIndex)) { seriesTitle = current.stringValue(classIndex); break; } } attStats = nextSeries.attributeStats(attIndex); attValFreqs = attStats.nominalWeights; for (int j = 0; j < attValFreqs.length; j++) { Number freq = new Double(attValFreqs[j]); dataset.addValue(freq, seriesTitle, nextSeries.attribute(attIndex).value(j)); } } } JFreeChart chart = null; if (series.size() == 1) { chart = ChartFactory.createBarChart(plotTitle, masterInstances.attribute(attIndex).name(), "Fequency/weight mass", dataset, PlotOrientation.VERTICAL, true, false, false); } else { chart = ChartFactory.createStackedBarChart(plotTitle, masterInstances.attribute(attIndex).name(), "Fequency/weight mass", dataset, PlotOrientation.VERTICAL, true, false, false); } chart.setBackgroundPaint(java.awt.Color.white); BufferedImage image = chart.createBufferedImage(width, height); return image; } else { // histogram for numeric attributes HistogramDataset dataset = new HistogramDataset(); // combine all series in order to get overall std dev, and range Instances temp = new Instances(masterInstances); for (int i = 1; i < series.size(); i++) { Instances additional = series.get(i); for (Instance tempI : additional) { temp.add(tempI); } } AttributeStats stats = temp.attributeStats(attIndex); Stats numericStats = stats.numericStats; double intervalWidth = 3.49 * numericStats.stdDev * StrictMath.pow(temp.numInstances(), (-1.0 / 3.0)); double range = numericStats.max - numericStats.min; int numBins = StrictMath.max(1, (int) StrictMath.round(range / intervalWidth)); // do the master series String masterSeriesTitle = masterInstances.relationName(); if (seriesAreClasses) { for (int i = 0; i < masterInstances.numInstances(); i++) { Instance current = masterInstances.instance(i); if (!current.isMissing(current.classAttribute())) { masterSeriesTitle = current.stringValue(current.classAttribute()); break; } } } // have to set min, max and num bins (using heuristic from AttSummPanel). // Make sure // to set series length to num instances - num missing values for att stats = masterInstances.attributeStats(attIndex); /* * numericStats = stats.numericStats; //numericStats.calculateDerived(); * intervalWidth = StrictMath.max(1, 3.49 * numericStats.stdDev * * StrictMath.pow(masterInstances.numInstances(), (-1.0/3.0))); */ double[] seriesVals = new double[masterInstances.numInstances() - stats.missingCount]; int count = 0; for (int i = 0; i < masterInstances.numInstances(); i++) { Instance current = masterInstances.instance(i); if (!current.isMissing(attIndex)) { seriesVals[count++] = current.value(attIndex); } } dataset.addSeries(masterSeriesTitle, seriesVals, numBins, numericStats.min, numericStats.max); // any subsequent series for (int i = 1; i < series.size(); i++) { Instances nextSeries = series.get(i); String seriesTitle = nextSeries.relationName(); if (seriesAreClasses) { for (int j = 0; j < nextSeries.numInstances(); j++) { Instance current = nextSeries.instance(j); if (!current.isMissing(nextSeries.classAttribute())) { seriesTitle = current.stringValue(nextSeries.classAttribute()); break; } } } stats = nextSeries.attributeStats(attIndex); /* * numericStats = stats.numericStats; // * numericStats.calculateDerived(); intervalWidth = StrictMath.max(1, * 3.49 * numericStats.stdDev * * StrictMath.pow(masterInstances.numInstances(), (-1.0/3.0))); range = * numericStats.max - numericStats.min; numBins = StrictMath.max(1, * (int) StrictMath.round(range / intervalWidth)); */ seriesVals = new double[nextSeries.numInstances() - stats.missingCount]; count = 0; for (int j = 0; j < nextSeries.numInstances(); j++) { Instance current = nextSeries.instance(j); if (!current.isMissing(attIndex)) { seriesVals[count++] = current.value(attIndex); } } dataset.addSeries(seriesTitle, seriesVals, numBins, numericStats.min, numericStats.max); } JFreeChart chart = ChartFactory.createHistogram(plotTitle, masterInstances.attribute(attIndex).name(), null, dataset, PlotOrientation.VERTICAL, true, false, false); // chart.setBackgroundPaint(java.awt.Color.white); XYPlot xyplot = (XYPlot) chart.getPlot(); xyplot.setForegroundAlpha(0.50F); XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer(); xybarrenderer.setDrawBarOutline(false); xybarrenderer.setShadowVisible(false); BufferedImage image = chart.createBufferedImage(width, height); return image; } }
From source file:org.matsim.contrib.parking.parkingchoice.lib.GeneralLib.java
public static void generateHistogram(String fileName, double[] value, int numberOfBins, String title, String xLabel, String yLabel) { HistogramDataset dataset = new HistogramDataset(); dataset.setType(HistogramType.FREQUENCY); dataset.addSeries(title, value, numberOfBins); String plotTitle = title;/*from w w w .java 2s .c om*/ String xaxis = xLabel; String yaxis = yLabel; PlotOrientation orientation = PlotOrientation.VERTICAL; boolean show = false; boolean toolTips = false; boolean urls = false; JFreeChart chart = ChartFactory.createHistogram(plotTitle, xaxis, yaxis, dataset, orientation, show, toolTips, urls); int width = 500; int height = 300; try { ChartUtilities.saveChartAsPNG(new File(fileName), chart, width, height); } catch (IOException e) { } }