Examples with JFreeChart org.jfree.chart.JFreeChart used on opensource projects

Example 91 with JFreeChart

use of org.jfree.chart.JFreeChart in project opennms by OpenNMS.

the class ChartUtils method getBarChart.

/**
 * Helper method that returns the JFreeChart to an output stream written in JPEG format.
 *
 * @param chartName a {@link java.lang.String} object.
 * @param out a {@link java.io.OutputStream} object.
 * @throws java.io.IOException if any.
 * @throws java.sql.SQLException if any.
 */
public static void getBarChart(String chartName, OutputStream out) throws IOException, SQLException {
    BarChart chartConfig = getBarChartConfigByName(chartName);
    JFreeChart chart = getBarChart(chartName);
    ImageSize imageSize = chartConfig.getImageSize();
    int hzPixels;
    int vtPixels;
    if (imageSize == null) {
        hzPixels = 400;
        vtPixels = 400;
    } else {
        hzPixels = imageSize.getHzSize().getPixels();
        vtPixels = imageSize.getVtSize().getPixels();
    }
    ChartUtilities.writeChartAsJPEG(out, chart, hzPixels, vtPixels);
}

Example 92 with JFreeChart

use of org.jfree.chart.JFreeChart in project violations-plugin by jenkinsci.

the class SeverityTypeDataSet method createChart.

/**
 * Create a JFree chart for this dataset.
 *
 * @return the chart.
 */
public JFreeChart createChart() {
    CategoryDataset dataset = buildDataSet();
    JFreeChart chart = // chart
    ChartFactory.createStackedAreaChart(// chart
    null, // unused
    null, // range axis label
    "count", // data
    dataset, // orientation
    PlotOrientation.VERTICAL, // include legend
    true, // tooltips
    true, // urls
    false);
    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    final LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.RIGHT);
    chart.setBackgroundPaint(Color.white);
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.WHITE);
    plot.setOutlinePaint(null);
    plot.setForegroundAlpha(ALPHA);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.black);
    CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
    plot.setDomainAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.setCategoryMargin(0.0);
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    if (Boolean.getBoolean(AbstractViolationsBuildAction.VIOLATIONS_PLUGIN_CHART_AUTORANGE_PROPERTY)) {
        rangeAxis.setAutoRange(true);
        rangeAxis.setAutoRangeIncludesZero(false);
        rangeAxis.setAutoRangeMinimumSize(50);
    }
    StackedAreaRenderer renderer = new StackedAreaRenderer2();
    plot.setRenderer(renderer);
    renderer.setSeriesPaint(2, RED);
    renderer.setSeriesPaint(1, VIOLET);
    renderer.setSeriesPaint(0, YELLOW);
    // crop extra space around the graph
    plot.setInsets(new RectangleInsets(0, 0, 0, INSET));
    return chart;
}

Example 93 with JFreeChart

use of org.jfree.chart.JFreeChart in project n2a by frothga.

the class Plot method createGraphPanel.

public JPanel createGraphPanel() {
    XYDataset dataset = createDataset();
    JFreeChart chart = createChart(dataset);
    return new ChartPanelDrag(chart);
}

Example 94 with JFreeChart

use of org.jfree.chart.JFreeChart in project EnrichmentMapApp by BaderLab.

the class RadialHeatMapLayer method createChart.

@Override
protected JFreeChart createChart(final PieDataset dataset) {
    JFreeChart chart = ChartFactory.createPieChart(// chart title
    null, // data
    dataset, // include legend
    false, // tooltips
    false, // urls
    false);
    chart.setAntiAlias(true);
    chart.setBorderVisible(false);
    chart.setBackgroundPaint(TRANSPARENT_COLOR);
    chart.setBackgroundImageAlpha(0.0f);
    chart.setPadding(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
    final PiePlot plot = (PiePlot) chart.getPlot();
    plot.setCircular(true);
    plot.setStartAngle(startAngle);
    plot.setDirection(rotation == Rotation.ANTICLOCKWISE ? org.jfree.util.Rotation.ANTICLOCKWISE : org.jfree.util.Rotation.CLOCKWISE);
    plot.setOutlineVisible(false);
    plot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
    plot.setInteriorGap(INTERIOR_GAP);
    plot.setBackgroundPaint(TRANSPARENT_COLOR);
    plot.setBackgroundAlpha(0.0f);
    plot.setShadowPaint(TRANSPARENT_COLOR);
    plot.setShadowXOffset(0.0);
    plot.setShadowYOffset(0.0);
    plot.setLabelGenerator(showItemLabels ? new CustomPieSectionLabelGenerator(labels) : null);
    plot.setSimpleLabels(true);
    plot.setLabelFont(plot.getLabelFont().deriveFont(itemFontSize));
    plot.setLabelBackgroundPaint(TRANSPARENT_COLOR);
    plot.setLabelOutlinePaint(TRANSPARENT_COLOR);
    plot.setLabelShadowPaint(TRANSPARENT_COLOR);
    plot.setLabelPaint(labelColor);
    final BasicStroke stroke = new BasicStroke(borderWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
    Color upperColor = Color.BLUE;
    Color zeroColor = Color.WHITE;
    Color lowerColor = Color.RED;
    Color nanColor = DEFAULT_ITEM_BG_COLOR;
    if (range != null && range.size() >= 2 && range.get(0) != null && range.get(1) != null) {
        final int colorsSize = colors != null ? colors.size() : 0;
        if (colorsSize > 0)
            upperColor = colors.get(0);
        if (colorsSize > 1)
            zeroColor = colors.get(1);
        if (colorsSize > 2)
            lowerColor = colors.get(2);
        if (colorsSize > 3)
            nanColor = colors.get(3);
    }
    final List<?> keys = dataset.getKeys();
    final List<Double> values = data.isEmpty() ? null : data.values().iterator().next();
    for (int i = 0; i < keys.size(); i++) {
        String k = (String) keys.get(i);
        Double v = values.size() > i ? values.get(i) : null;
        final Color c;
        if (v == null)
            c = nanColor;
        else
            c = ColorUtil.getColor(v, range.get(0), range.get(1), lowerColor, zeroColor, upperColor);
        plot.setSectionPaint(k, c);
        plot.setSectionOutlinePaint(k, borderWidth > 0 ? borderColor : TRANSPARENT_COLOR);
        plot.setSectionOutlineStroke(k, stroke);
    }
    return chart;
}

Example 95 with JFreeChart

use of org.jfree.chart.JFreeChart in project dhis2-core by dhis2.

the class ChartController method getHistoryChart.

@RequestMapping(value = { "/history/data", "/history/data.png" }, method = RequestMethod.GET)
public void getHistoryChart(@RequestParam String de, @RequestParam String co, @RequestParam String cp, @RequestParam String pe, @RequestParam String ou, @RequestParam(defaultValue = "525", required = false) int width, @RequestParam(defaultValue = "300", required = false) int height, HttpServletResponse response) throws IOException, WebMessageException {
    DataElement dataElement = dataElementService.getDataElement(de);
    if (dataElement == null) {
        throw new WebMessageException(WebMessageUtils.conflict("Data element does not exist: " + de));
    }
    DataElementCategoryOptionCombo categoryOptionCombo = categoryService.getDataElementCategoryOptionCombo(co);
    if (categoryOptionCombo == null) {
        throw new WebMessageException(WebMessageUtils.conflict("Category option combo does not exist: " + co));
    }
    DataElementCategoryOptionCombo attributeOptionCombo = categoryService.getDataElementCategoryOptionCombo(cp);
    if (attributeOptionCombo == null) {
        throw new WebMessageException(WebMessageUtils.conflict("Category option combo does not exist: " + cp));
    }
    Period period = PeriodType.getPeriodFromIsoString(pe);
    if (period == null) {
        throw new WebMessageException(WebMessageUtils.conflict("Period does not exist: " + pe));
    }
    OrganisationUnit organisationUnit = organisationUnitService.getOrganisationUnit(ou);
    if (organisationUnit == null) {
        throw new WebMessageException(WebMessageUtils.conflict("Organisation unit does not exist: " + ou));
    }
    contextUtils.configureResponse(response, ContextUtils.CONTENT_TYPE_PNG, CacheStrategy.RESPECT_SYSTEM_SETTING, "chart.png", false);
    JFreeChart chart = chartService.getJFreeChartHistory(dataElement, categoryOptionCombo, attributeOptionCombo, period, organisationUnit, 13, i18nManager.getI18nFormat());
    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, width, height);
}