Example usage for org.jfree.data.category DefaultCategoryDataset DefaultCategoryDataset

Introduction

In this page you can find the example usage for org.jfree.data.category DefaultCategoryDataset DefaultCategoryDataset.

Prototype

public DefaultCategoryDataset() 

Source Link

Document

Creates a new (empty) dataset.

Usage

From source file:org.sakaiproject.evaluation.tool.reporting.EvalLikertChartBuilder.java

@SuppressWarnings("deprecation")
public JFreeChart makeLikertChart() {

    DefaultCategoryDataset likertDataset = new DefaultCategoryDataset();

    for (int i = 0; i < responses.length; i++) {
        likertDataset.addValue(values[i], "Responses", responses[i]);
    }/*from w w w.  j ava  2 s . c o m*/

    JFreeChart chart = ChartFactory.createBarChart(null, // "Likert Chart", // Chart title
            null, // "Choices", // domain axis label
            null, // "# of Responses", // range axis label
            likertDataset, PlotOrientation.HORIZONTAL, false, // show legend
            false, // show tooltips
            false // show URLs
    );

    // Set the background colours
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinesVisible(false);
    plot.setRangeGridlinesVisible(false);

    // Configure the bar colors and display
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setSeriesPaint(0, new Color(244, 252, 212));
    renderer.setDrawBarOutline(true);
    renderer.setOutlinePaint(new Color(34, 35, 237));
    renderer.setOutlineStroke(new BasicStroke(0.5f));
    renderer.setBaseItemLabelsVisible(true);
    if (showPercentages) {
        renderer.setBaseItemLabelGenerator(new LikertPercentageItemLabelGenerator(this.responseCount));
    } else {
        renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
    }
    // Turn off the Top Value Axis
    ValueAxis rangeAxis = plot.getRangeAxis();
    rangeAxis.setVisible(false);
    rangeAxis.setUpperMargin(0.35);
    rangeAxis.resizeRange(1.1f);

    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setMaximumCategoryLabelWidthRatio(0.4f);
    domainAxis.setMaximumCategoryLabelLines(2);

    // Set the font for the labels
    Font labelFont = new Font("Serif", Font.PLAIN, 6);

    CategoryItemRenderer itemRenderer = plot.getRenderer();
    itemRenderer.setBaseItemLabelFont(labelFont);

    plot.setOutlinePaint(null);

    domainAxis.setLabelFont(labelFont);
    domainAxis.setTickLabelFont(labelFont);
    rangeAxis.setLabelFont(labelFont);
    rangeAxis.setTickLabelFont(labelFont);

    return chart;
}

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From source file:Graphing.barGraph.java

private CategoryDataset getDataSet() {
    DefaultCategoryDataset dataSet = new DefaultCategoryDataset();

    for (int i = 0; i < this.category.length; i++) {
        dataSet.addValue(this.data[i], this.bargraph, this.category[i]);
    }/*from w  ww  .j  a  va 2  s .c  o m*/

    return dataSet;
}

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From source file:filtros.histograma.Histograma.java

public static void Apply(BufferedImage image, String savePath) {
    //Chamada do metodo que gera os dados do histograma
    GetData(image);//from w w w .  jav a 2 s .  c  o  m

    //Dataset que gera o grafico
    DefaultCategoryDataset ds = new DefaultCategoryDataset();

    //Loop que percorre o array de dados do histograma
    for (int k = 0; k < data.length; k++) {
        //Adiciona o valor ao dataset
        ds.setValue(data[k], "Imagem", Integer.toString(data[k]));
    }

    //Gera o grafico
    JFreeChart grafico = ChartFactory.createLineChart("Histograma", "Tons de cinza", "Valor", ds,
            PlotOrientation.VERTICAL, true, true, false);

    //Salva o grafico em um arquivo de png
    try {
        OutputStream arquivo = new FileOutputStream(savePath);
        ChartUtilities.writeChartAsPNG(arquivo, grafico, 550, 400);
        arquivo.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.opensourcestrategies.financials.reports.JFreeFinancialCharts.java

/**
 * Liquidity snapshot chart.  Documentation is at http://www.opentaps.org/docs/index.php/Financials_Home_Screen
 *
 * Because a user might not have permission to view balances in all areas, this method takes into consideration
 * the ability to view various bars in the chart.
 *
 * @param accountsMap Map of accounts keyed by the glAccountType
 * @return String filename pointing to the chart, to be used with showChart URI request
 *//* w  w  w.j  a  va2s  .c  o  m*/
public static String createLiquiditySnapshotChart(Map<String, GenericValue> accountsMap,
        List<GenericValue> creditCardAccounts, Locale locale, boolean hasReceivablesPermission,
        boolean hasPayablesPermission, boolean hasInventoryPermission)
        throws GenericEntityException, IOException {
    Map<String, Object> uiLabelMap = UtilMessage.getUiLabels(locale);

    // create the dataset
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    // compile the four bars
    if (hasReceivablesPermission) {
        double cashBalance = 0.0;
        cashBalance += getPostedBalance(accountsMap.get("UNDEPOSITED_RECEIPTS"));
        cashBalance += getPostedBalance(accountsMap.get("BANK_STLMNT_ACCOUNT"));
        dataset.addValue(cashBalance, "", (String) uiLabelMap.get("FinancialsCashEquivalents"));

        double receivablesBalance = 0.0;
        receivablesBalance += getPostedBalance(accountsMap.get("ACCOUNTS_RECEIVABLE"));
        // merchant account settlement balances are receivable
        receivablesBalance += getPostedBalance(accountsMap.get("MRCH_STLMNT_ACCOUNT"));
        dataset.addValue(receivablesBalance, "", (String) uiLabelMap.get("FinancialsReceivables"));
    }
    if (hasInventoryPermission) {
        double inventoryBalance = 0.0;
        inventoryBalance += getPostedBalance(accountsMap.get("INVENTORY_ACCOUNT"));
        inventoryBalance += getPostedBalance(accountsMap.get("RAWMAT_INVENTORY"));
        inventoryBalance += getPostedBalance(accountsMap.get("WIP_INVENTORY"));
        dataset.addValue(inventoryBalance, "", (String) uiLabelMap.get("WarehouseInventory"));
    }
    if (hasPayablesPermission) {
        double payablesBalance = 0.0;
        payablesBalance += getPostedBalance(accountsMap.get("ACCOUNTS_PAYABLE"));
        payablesBalance += getPostedBalance(accountsMap.get("COMMISSIONS_PAYABLE"));
        payablesBalance += getPostedBalance(accountsMap.get("UNINVOICED_SHIP_RCPT"));
        dataset.addValue(payablesBalance, "", (String) uiLabelMap.get("FinancialsPayables"));
    }

    // set up the chart
    JFreeChart chart = ChartFactory.createBarChart((String) uiLabelMap.get("FinancialsLiquiditySnapshot"), // chart title
            null, // domain axis label
            null, // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            false, // include legend
            true, // tooltips
            false // urls
    );
    chart.setBackgroundPaint(Color.white);
    chart.setBorderVisible(true);
    chart.setPadding(new RectangleInsets(5.0, 5.0, 5.0, 5.0));

    // get a reference to the plot for further customisation...
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    // get the bar renderer to put effects on the bars
    final BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false); // disable bar outlines

    // set up gradient paint on bar
    final GradientPaint gp = new GradientPaint(0.0f, 0.0f, Color.GREEN, 0.0f, 0.0f, Color.GRAY);
    renderer.setSeriesPaint(0, gp);

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

    // tilt the category labels so they fit
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    // save as a png and return the file name
    return ServletUtilities.saveChartAsPNG(chart, 400, 300, null);
}

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From source file:org.fhaes.fhrecorder.view.ColorBarGraph.java

/**
 * Creates a data set for graphing./*from ww w .jav  a  2  s.c o m*/
 * 
 * @param years the data
 * @return the data set
 */
private static CategoryDataset createDataset(List<YearSummary> years) {

    CustomOptions options = FileController.getCustomOptions();
    DefaultCategoryDataset data = new DefaultCategoryDataset();

    for (YearSummary year : years)
        for (int i = 1; i <= 6; i++)
            data.addValue(compileData(options.getDataItems(i), year), options.getGroupName(i),
                    Integer.toString(year.getYear()));

    return new SlidingCategoryDataset(data, 0, FileController.MAX_VISIBLE_GRAPH_COLUMNS);
}

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From source file:org.apache.qpid.disttest.charting.chartbuilder.CategoryDataSetBasedChartBuilder.java

@Override
protected DatasetHolder newDatasetHolder() {
    return new DatasetHolder() {
        final private DefaultCategoryDataset _dataset = new DefaultCategoryDataset();

        @Override/*  ww  w . j  a v  a  2s. c  o m*/
        public void addDataPointToSeries(SeriesDefinition seriesDefinition, SeriesRow row) {
            String x = row.dimensionAsString(0);
            double y = row.dimensionAsDouble(1);
            _dataset.addValue(y, seriesDefinition.getSeriesLegend(), x);
        }

        @Override
        public void beginSeries(SeriesDefinition seriesDefinition) {
            // unused
        }

        @Override
        public void endSeries(SeriesDefinition seriesDefinition) {
            // unused
        }

        @Override
        public int getNumberOfDimensions() {
            return 2;
        }

        @Override
        public Dataset getPopulatedDataset() {
            return _dataset;
        }
    };
}

---

From source file:jasmine.imaging.core.JasmineCorrelationGraph.java

public void processData() {
    DefaultCategoryDataset series = new DefaultCategoryDataset();

    for (int i = 0; i < observed.length; i++) {
        StatisticsSolver obs = observed[i];
        double correlation = obs.getCorrelationWith(expected);
        if (!Double.isNaN(correlation)) {
            series.addValue(correlation, "series1", names[i]);
        }//w  ww  .  ja v a 2  s .com
        System.out.println(names[i] + ": " + correlation);
    }

    myChart = ChartFactory.createBarChart(null, "Features", "Pearson Correlation", series,
            PlotOrientation.VERTICAL, false, false, false);

}

---

From source file:com.googlecode.logVisualizer.chart.SkillCastsBarChart.java

@Override
protected CategoryDataset createDataset() {
    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    final String seriesName = "Skills cast";

    // Add skills to the dataset. The list is sorted from most amount of
    // casts to least amount of casts.
    for (final Skill s : getLogData().getAllSkillsCast()) {
        dataset.addValue(s.getAmount(), seriesName, s.getName());

        // The chart isn't readable anymore with too many entries
        if (dataset.getColumnCount() > 45)
            break;
    }/* ww  w  . java 2 s .  c o m*/

    return dataset;
}

---

From source file:room.utilization.BarGraph.java

private CategoryDataset createDataset() {
    DefaultCategoryDataset ds = new DefaultCategoryDataset();
    int len = 0;/*from w  w  w . ja va2s  . c  o m*/

    for (int x = 0; x < data.length; x++) {
        len = data[x].length;
        ds.addValue(Double.parseDouble(data[x][len - 1]), data[x][0], data[x][0]);
    }

    return ds;
}

---

From source file:com.googlecode.logVisualizer.chart.TurnsSpentPerAreaBarChart.java

@Override
protected CategoryDataset createDataset() {
    final DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    final String seriesName = "Turns spent per area";

    // Add areas to the dataset. They are sorted from most visited to least
    // visited.//  www  .  j  a va 2 s . c om
    for (final DataNumberPair<String> dn : getLogData().getLogSummary().getTurnsPerArea()) {
        dataset.addValue(dn.getNumber(), seriesName, dn.getData());

        // The chart isn't readable anymore with too many entries
        if (dataset.getColumnCount() > 45)
            break;
    }

    return dataset;
}

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