Example usage for org.jfree.chart ChartUtilities saveChartAsPNG

Introduction

In this page you can find the example usage for org.jfree.chart ChartUtilities saveChartAsPNG.

Prototype

public static void saveChartAsPNG(File file, JFreeChart chart, int width, int height) throws IOException 

Source Link

Document

Saves a chart to the specified file in PNG format.

Usage

From source file:playground.christoph.icem2011.LogLinkTravelTime.java

private void createChart(Link link, String file) {

    //      String s = data.get(linkId).toString();
    //      String[] travelTimes = s.split("\n");
    List<Double> etts = data.get(link.getId());

    final XYSeriesCollection xyData = new XYSeriesCollection();
    final XYSeries expectedTravelTimes = new XYSeries("expected travel times", false, true);
    final XYSeries measuredTravelTimes = new XYSeries("measured travel times", false, true);
    for (int i = 0; i < times.size(); i++) {
        double time = times.get(i);
        if (time > graphCutOffTime)
            break; // do not display values > 30h in the graph
        double hour = Double.valueOf(time) / 3600.0;
        expectedTravelTimes.add(hour, Double.valueOf(etts.get(i)));
        measuredTravelTimes.add(hour,/* ww  w  .  ja va  2s  .  co  m*/
                Double.valueOf(measuredTravelTime.getLinkTravelTime(link, time, null, null)));
    }

    xyData.addSeries(expectedTravelTimes);
    xyData.addSeries(measuredTravelTimes);

    //      final JFreeChart chart = ChartFactory.createXYStepChart(
    final JFreeChart chart = ChartFactory.createXYLineChart(
            "Compare expected and measured travel times for link " + link.getId().toString(), "time",
            "travel time", xyData, PlotOrientation.VERTICAL, true, // legend
            false, // tooltips
            false // urls
    );

    XYPlot plot = chart.getXYPlot();

    final CategoryAxis axis1 = new CategoryAxis("hour");
    axis1.setTickLabelFont(new Font("SansSerif", Font.PLAIN, 7));
    plot.setDomainAxis(new NumberAxis("time"));

    try {
        ChartUtilities.saveChartAsPNG(new File(file), chart, 1024, 768);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:org.objectweb.proactive.extensions.timitspmd.util.charts.Line2dChart.java

/**
 *
 * @param title//from w  ww .  j  a v  a 2 s.c  om
 * @param subTitle
 * @param fileName
 * @param domainAxis
 * @param rangeAxis
 * @param width
 * @param height
 */
private void buildFinalChart(String title, String subTitle, String fileName, String domainAxis,
        String rangeAxis, int width, int height) {
    CategoryDataset dataset = this.createDataset();

    JFreeChart chart = ChartFactory.createLineChart(title, domainAxis, // domain
            // axis
            // label
            rangeAxis, // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );
    chart.addSubtitle(new TextTitle(subTitle));

    final LineAndShapeRenderer renderer = new LineAndShapeRenderer();
    renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());

    CategoryPlot c = chart.getCategoryPlot();
    c.setRenderer(renderer);
    c.setRangeGridlinesVisible(true);

    try {
        ChartUtilities.saveChartAsPNG(XMLHelper.createFileWithDirs(fileName + ".png"), chart, width, height);

        Utilities.saveChartAsSVG(chart, new Rectangle(width, height),
                XMLHelper.createFileWithDirs(fileName + ".svg"));
    } catch (java.io.IOException e) {
        System.err.println("Error writing image to file");
        e.printStackTrace();
    }
}

---

From source file:com.jolbox.benchmark.BenchmarkMain.java

/**
 * @param title // w  w  w  . ja  v a  2  s  . com
 * @param filename 
 * @param results 
 */
private static void plotBarGraph(String title, String filename, long[] results) {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (ConnectionPoolType poolType : ConnectionPoolType.values()) {
        dataset.setValue(results[poolType.ordinal()], "ms", poolType);
    }
    JFreeChart chart = ChartFactory.createBarChart(title, "Connection Pool", "Time (ms)", dataset,
            PlotOrientation.VERTICAL, false, true, false);
    try {
        String fname = System.getProperty("java.io.tmpdir") + File.separator + filename;
        ChartUtilities.saveChartAsPNG(new File(fname), chart, 1024, 768);
        System.out.println("******* Saved chart to: " + fname);
    } catch (IOException e) {
        e.printStackTrace();
        System.err.println("Problem occurred creating chart.");
    }
}

---

From source file:de.suse.swamp.modules.scheduledjobs.Statistics.java

/**
 * Generating the frontpage graph that shows the total amount of different wf types
 */// w w w .jav a2s  . c o  m
protected void generateFrontpageGraph() {
    // count the number of workflows of each type: 
    List names = wfman.getWorkflowTemplateNames();
    DefaultPieDataset dataset = new DefaultPieDataset();
    int wfcount = 0;

    for (Iterator it = names.iterator(); it.hasNext();) {
        String template = (String) it.next();
        PropertyFilter templatefilter = new PropertyFilter();
        templatefilter.addWfTemplate(template);
        int count = wfman.getWorkflowIds(templatefilter, null).size();
        if (count > 0) {
            dataset.setValue(template, new Double(count));
        }
        wfcount += count;
    }

    // only generate graph if workflows exist 
    if (wfcount > 0) {
        JFreeChart chart = ChartFactory.createPieChart3D("Workflows inside SWAMP", dataset, false, false,
                false);
        PiePlot3D plot = (PiePlot3D) chart.getPlot();
        plot.setForegroundAlpha(0.6f);
        File image = new File(statPath + fs + "workflows.png");
        if (image.exists())
            image.delete();
        try {
            ChartUtilities.saveChartAsPNG(image, chart, 500, 350);
        } catch (java.io.IOException exc) {
            Logger.ERROR("Error writing image to file: " + exc.getMessage());
        }
    }
}

---

From source file:com.comcast.cmb.test.tools.QueueDepthSimulator.java

public static void plotLineChart(Map<String, List<Double>> series, String filename, String title, String labelX,
        String labelY) throws IOException {
    XYSeriesCollection dataset = new XYSeriesCollection();
    for (String label : series.keySet()) {
        XYSeries data = new XYSeries(label);
        int t = 0;
        for (Double d : series.get(label)) {
            data.add(t, d);/* w  ww  .j a  va  2s .c  om*/
            t++;
        }
        dataset.addSeries(data);
    }
    JFreeChart chart = ChartFactory.createXYLineChart(title, labelX, labelY, dataset, PlotOrientation.VERTICAL,
            true, true, false);
    XYPlot plot = chart.getXYPlot();
    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
    renderer.setSeriesLinesVisible(0, true);
    renderer.setSeriesShapesVisible(0, true);
    plot.setRenderer(renderer);
    ChartUtilities.saveChartAsPNG(new File(filename), chart, 1024, 768);
}

---

From source file:com.jolbox.benchmark.BenchmarkLaunch.java

/**
 * @param title //  w ww  .ja  v  a  2 s  .c o  m
 * @param filename 
 * @param results 
 * @throws IOException 
 */
private static void plotBarGraph(String title, String filename, long[] results) throws IOException {
    String fname = System.getProperty("java.io.tmpdir") + File.separator + filename;
    PrintWriter out = new PrintWriter(new FileWriter(fname + ".txt"));

    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    for (ConnectionPoolType poolType : ConnectionPoolType.values()) {
        dataset.setValue(results[poolType.ordinal()], "ms", poolType);
        out.println(results[poolType.ordinal()] + "," + poolType);
    }
    out.close();
    JFreeChart chart = ChartFactory.createBarChart(title, "Connection Pool", "Time (ms)", dataset,
            PlotOrientation.VERTICAL, false, true, false);
    try {
        ChartUtilities.saveChartAsPNG(new File(fname), chart, 1024, 768);
        System.out.println("******* Saved chart to: " + fname);
    } catch (IOException e) {
        e.printStackTrace();
        System.err.println("Problem occurred creating chart.");
    }
}

---

From source file:playground.christoph.evacuation.analysis.AgentsInEvacuationAreaWriter.java

public void writeGraphic(final String filename, String[] legModes, int[][] data) {
    try {//from  w w  w  . j  av  a2s . c  om
        ChartUtilities.saveChartAsPNG(new File(filename), getGraphic(legModes, data), 1024, 768);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:weka.classifiers.timeseries.eval.graph.JFreeChartDriver.java

/**
 * Save a chart to a file.//from   ww  w  .j  a v a 2s.  com
 * 
 * @param chart the chart to save
 * @param filename the filename to save to
 * @param width width of the saved image
 * @param height height of the saved image
 * @throws Exception if the chart can't be saved for some reason
 */
@Override
public void saveChartToFile(JPanel chart, String filename, int width, int height) throws Exception {

    if (!(chart instanceof ChartPanel)) {
        throw new Exception("Chart is not a JFreeChart!");
    }

    if (filename.toLowerCase().lastIndexOf(".png") < 0) {
        filename = filename + ".png";
    }
    ChartUtilities.saveChartAsPNG(new File(filename), ((ChartPanel) chart).getChart(), width, height);
}

---

From source file:canreg.client.analysis.Tools.java

static String writeJChartToFile(JFreeChart chart, File file, FileTypes fileType)
        throws IOException, DocumentException {
    String fileName = file.getPath();
    switch (fileType) {
    case svg://from w w w  .  j  ava 2  s.c  o m
        Tools.exportChartAsSVG(chart, new Rectangle(1000, 1000), file);
        break;
    case pdf:
        Tools.exportChartAsPDF(chart, new Rectangle(500, 400), file);
        break;
    case jchart:
        break;
    case csv:
        Tools.exportChartAsCSV(chart, file);
        break;
    default:
        ChartUtilities.saveChartAsPNG(file, chart, 1000, 1000);
        break;
    }
    return fileName;
}

---

From source file:org.remus.marketplace.scheduling.GenerateStatisticsJob.java

private void createDownloadStatistics(Integer id, File folder, Node node, Calendar instance) {
    Map<Date, Integer> map = new HashMap<Date, Integer>();
    for (int i = 0, n = month; i < n; i++) {
        Calendar instance2 = Calendar.getInstance();
        instance2.setTime(new Date());
        instance2.add(Calendar.MONTH, i * -1);
        map.put(instance2.getTime(), 0);
    }// w  w  w .  ja v  a 2s  .c o m
    AdvancedCriteria criteria = new AdvancedCriteria()
            .addRestriction(Restrictions.between(Download.TIME, instance.getTime(), new Date()))
            .addRestriction(Restrictions.eq(Download.NODE, node));
    ProjectionList projectionList = Projections.projectionList();
    projectionList.add(Projections.count(Download.NODE));

    projectionList
            .add(Projections.sqlGroupProjection("month({alias}.time) as month, year({alias}.time) as year",
                    "month({alias}.time), year({alias}.time)", new String[] { "month", "year" },
                    new Type[] { Hibernate.INTEGER, Hibernate.INTEGER }));
    criteria.setProjection(projectionList);

    List<Object> query = downloadDao.query(criteria);
    for (Object object : query) {
        Object[] data = (Object[]) object;
        Integer count = (Integer) data[0];
        Integer month = (Integer) data[1];
        Integer year = (Integer) data[2];
        Set<Date> keySet = map.keySet();
        for (Date date : keySet) {
            Calendar instance2 = Calendar.getInstance();
            instance2.setTime(date);
            if (instance2.get(Calendar.YEAR) == year && instance2.get(Calendar.MONTH) == month - 1) {
                map.put(date, count);
            }
        }

    }

    DefaultCategoryDataset data = new DefaultCategoryDataset();
    List<Date> keySet = new ArrayList<Date>(map.keySet());
    Collections.sort(keySet, new Comparator<Date>() {

        @Override
        public int compare(Date o1, Date o2) {
            return o1.compareTo(o2);
        }
    });
    for (Date date : keySet) {
        Integer integer = map.get(date);
        Calendar instance2 = Calendar.getInstance();
        instance2.setTime(date);
        int year = instance2.get(Calendar.YEAR);
        int month = instance2.get(Calendar.MONTH) + 1;
        data.addValue(integer, "Column1", month + "-" + year);
    }

    JFreeChart createBarChart = ChartFactory.createBarChart("Downloads", "Month", "", data,
            PlotOrientation.VERTICAL, false, false, false);

    File file = new File(folder, "download_" + id + ".png");
    if (file.exists()) {
        file.delete();
    }
    try {
        ChartUtilities.saveChartAsPNG(file, createBarChart, 500, 300);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• »