Examples with RingPlot org.jfree.chart.plot.RingPlot used on opensource projects

Example 1 with RingPlot

use of org.jfree.chart.plot.RingPlot in project i2p.i2p-bote by i2p.

the class PeerInfoTag method createRelayChart.

private String createRelayChart(RelayPeer[] relayPeers) throws IOException {
    RingPlot plot;
    if (relayPeers.length == 0) {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("", 100);
        plot = new RingPlot(dataset);
        plot.setSectionPaint("", Color.gray);
    } else {
        int good = 0;
        int untested = 0;
        for (RelayPeer relayPeer : relayPeers) {
            int reachability = relayPeer.getReachability();
            if (reachability == 0)
                untested += 1;
            else if (reachability > 80)
                good += 1;
        }
        int bad = relayPeers.length - good - untested;
        DefaultPieDataset dataset = new DefaultPieDataset();
        if (good > 0)
            dataset.setValue(_t("Good"), good);
        if (bad > 0)
            dataset.setValue(_t("Unreliable"), bad);
        if (untested > 0)
            dataset.setValue(_t("Untested"), untested);
        plot = new RingPlot(dataset);
        plot.setSectionPaint(_t("Good"), Color.green);
        plot.setSectionPaint(_t("Unreliable"), Color.red);
        plot.setSectionPaint(_t("Untested"), Color.orange);
    }
    plot.setLabelGenerator(null);
    plot.setShadowGenerator(null);
    JFreeChart chart = new JFreeChart(_t("Relay Peers:"), JFreeChart.DEFAULT_TITLE_FONT, plot, relayPeers.length == 0 ? false : true);
    return ServletUtilities.saveChartAsPNG(chart, 400, 300, null);
}

Example 2 with RingPlot

use of org.jfree.chart.plot.RingPlot in project cytoscape-impl by cytoscape.

the class RingLayer method createChart.

private JFreeChart createChart(final PieDataset dataset, final double sectionDepth, final double interiorGap) {
    JFreeChart chart = ChartFactory.createRingChart(// 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 RingPlot plot = (RingPlot) 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.setBackgroundPaint(TRANSPARENT_COLOR);
    plot.setBackgroundAlpha(0.0f);
    plot.setShadowPaint(TRANSPARENT_COLOR);
    plot.setShadowXOffset(0);
    plot.setShadowYOffset(0);
    plot.setInnerSeparatorExtension(0);
    plot.setOuterSeparatorExtension(0);
    plot.setSectionDepth(sectionDepth);
    plot.setInteriorGap(interiorGap);
    // Labels don't look good if it has multiple rings, so only show them when there's only one ring
    plot.setLabelGenerator(showItemLabels && datasetList.size() == 1 ? new CustomPieSectionLabelGenerator(labels) : null);
    plot.setSimpleLabels(true);
    plot.setLabelBackgroundPaint(TRANSPARENT_COLOR);
    plot.setLabelOutlinePaint(TRANSPARENT_COLOR);
    plot.setLabelShadowPaint(TRANSPARENT_COLOR);
    plot.setLabelFont(plot.getLabelFont().deriveFont(itemFontSize));
    final BasicStroke stroke = new BasicStroke(borderWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
    plot.setSeparatorStroke(stroke);
    plot.setSeparatorPaint(borderWidth > 0 ? borderColor : TRANSPARENT_COLOR);
    final List<?> keys = dataset.getKeys();
    for (int i = 0; i < keys.size(); i++) {
        final String k = (String) keys.get(i);
        final Color c = colors.size() > i ? colors.get(i) : DEFAULT_ITEM_BG_COLOR;
        plot.setSectionPaint(k, c);
        plot.setSectionOutlinePaint(k, borderWidth > 0 ? borderColor : TRANSPARENT_COLOR);
        plot.setSectionOutlineStroke(k, stroke);
    }
    return chart;
}

Example 3 with RingPlot

use of org.jfree.chart.plot.RingPlot in project i2p.i2p-bote by i2p.

the class PeerInfoTag method createDhtChart.

private String createDhtChart(DhtPeerStats dhtStats) throws IOException {
    RingPlot plot;
    int numDhtPeers = dhtStats.getData().size();
    if (numDhtPeers == 0) {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("", 100);
        plot = new RingPlot(dataset);
        plot.setSectionPaint("", Color.gray);
    } else {
        int reachable = 0;
        for (DhtPeerStatsRow row : dhtStats.getData()) {
            if (row.isReachable())
                reachable += 1;
        }
        int unreachable = numDhtPeers - reachable;
        DefaultPieDataset dataset = new DefaultPieDataset();
        if (reachable > 0)
            dataset.setValue(_t("Reachable"), reachable);
        if (unreachable > 0)
            dataset.setValue(_t("Unreachable"), unreachable);
        plot = new RingPlot(dataset);
        plot.setSectionPaint(_t("Reachable"), Color.green);
        plot.setSectionPaint(_t("Unreachable"), Color.red);
    }
    plot.setLabelGenerator(null);
    plot.setShadowGenerator(null);
    JFreeChart dhtChart = new JFreeChart(_t("Kademlia Peers:"), JFreeChart.DEFAULT_TITLE_FONT, plot, numDhtPeers == 0 ? false : true);
    return ServletUtilities.saveChartAsPNG(dhtChart, 400, 300, null);
}