Examples with Marker com.vaadin.addon.charts.model.Marker used on opensource projects

Example 6 with Marker

use of com.vaadin.addon.charts.model.Marker in project charts by vaadin.

the class LargeDataSet method getChart.

@Override
protected Component getChart() {
    Chart chart = new Chart();
    chart.getConfiguration().setTitle("Large data set");
    // Force zoom and enable scrollbar
    chart.getConfiguration().getxAxis().setMin(5000);
    chart.getConfiguration().getScrollbar().setEnabled(true);
    DataSeries series = new DataSeries();
    Number[] data = TimeSeriesZoomable.USD_TO_EUR_EXCHANGE_RATES;
    Random r = new Random(0);
    int x = 0;
    for (int j = 0; j < ROUNDS; j++) {
        for (Number number : data) {
            DataSeriesItem item;
            if (xyPairs()) {
                x += r.nextInt(4);
                item = new DataSeriesItem(x, number);
            } else {
                // interval data (x == index of data point), performs better
                // and consumes less memory/bandwidth
                item = new DataSeriesItem();
                item.setY(number);
            }
            /*
                 * Note, with large datasets, avoid settings like
                 * item.setColor(myColorX), or item.setName(myName) for data
                 * items. Without them the framework is able to optimize the
                 * rendering and can survive from rather large datasets.
                 * 
                 * Also note, that if data set is very large, the library might
                 * ignore it if there are custom settings for data items. This
                 * threshold is called turboThreshHold in plot options. See
                 * example below.
                 */
            // item.setName("x " + x);
            series.add(item);
        }
    }
    /*
         * If you play with this example your might try uncomment next line to
         * keep the amount of transfered data sane. You might also try to
         * increase the ROUNDS to increase the input data. By default commented
         * out to stress client side performance
         */
    // reduce(series, 1000);
    /*
         * If data can contain high/low peaks, one can use more sophisticated
         * algorithms
         */
    // ramerDouglasPeuckerReduce(series, 300);
    chart.getConfiguration().setSeries(series);
    PlotOptionsLine plotOptionsLine = new PlotOptionsLine();
    // Showing points with thousands of data items looks odd (on top of each
    // other), also renders faster without markers
    plotOptionsLine.setMarker(new Marker(false));
    // To render shadow, library must create additional element, without it
    // performance will be better
    plotOptionsLine.setShadow(false);
    plotOptionsLine.setAnimation(false);
    /*
         * If developers need to use large data sets and point specific
         * settings, they can override the default turbo threshold. Here we set
         * it to 200000 (default 1000). Turbo threshold is configuration that
         * works as a "sanity threshold" so that old browsers wont drop to their
         * knees under load. Without this Vaadin Charts might not render chart
         * if data items have e.g. name set.
         */
    plotOptionsLine.setTurboThreshold(200000);
    chart.getConfiguration().setPlotOptions(plotOptionsLine);
    return chart;
}

Example 7 with Marker

use of com.vaadin.addon.charts.model.Marker in project charts by vaadin.

the class SplineWithItemLabels method getChart.

@Override
protected Component getChart() {
    Chart chart = new Chart(ChartType.SPLINE);
    Configuration configuration = chart.getConfiguration();
    configuration.getTitle().setText("Wind speed during two days");
    configuration.getSubTitle().setText("October 6th and 7th 2009 at two locations in Vik i Sogn, Norway");
    configuration.getxAxis().setType(AxisType.DATETIME);
    YAxis yAxis = configuration.getyAxis();
    yAxis.setTitle(new AxisTitle("Wind speed (m/s)"));
    PlotOptionsSpline plotOptions = new PlotOptionsSpline();
    configuration.setPlotOptions(plotOptions);
    plotOptions.setMarker(new Marker(false));
    plotOptions.setPointInterval(ONE_HOUR);
    plotOptions.setPointStart(toDate("2009,09,06"));
    DataSeries ds = new DataSeries();
    ds.setName("Hestavollane");
    ds.setData(4.3, 5.1, 4.3, 5.2, 5.4, 4.7, 3.5, 4.1, 5.6, 7.4, 6.9, 7.1, 7.9, 7.9, 7.5, 6.7, 7.7, 7.7, 7.4, 7.0, 7.1, 5.8, 5.9, 7.4, 8.2, 8.5, 9.4, 8.1, 10.9, 10.4, 10.9, 12.4, 12.1, 9.5, 7.5, 7.1, 7.5, 8.1, 6.8, 3.4, 2.1, 1.9, 2.8, 2.9, 1.3, 4.4, 4.2, 3.0, 3.0);
    DataSeriesItem item = new DataSeriesItem();
    item.setY(4.51);
    item.setDataLabels(getDataLabels());
    ds.add(item);
    configuration.addSeries(ds);
    ds = new DataSeries();
    ds.setName("Voll");
    ds.setData(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.1, 0.0, 0.3, 0.0, 0.0, 0.4, 0.0, 0.1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.6, 1.2, 1.7, 0.7, 2.9, 4.1, 2.6, 3.7, 3.9, 1.7, 2.3, 3.0, 3.3, 4.8, 5.0, 4.8, 5.0, 3.2, 2.0, 0.9, 0.4, 0.3, 0.5, 0.4);
    item = new DataSeriesItem();
    item.setY(0.27);
    item.setDataLabels(getDataLabels());
    ds.add(item);
    configuration.addSeries(ds);
    return chart;
}

Example 8 with Marker

use of com.vaadin.addon.charts.model.Marker in project charts by vaadin.

the class ChartTypes method chartTypesScatterMarkerPropertiesSnippet1.

public void chartTypesScatterMarkerPropertiesSnippet1() {
    double x = 1.0;
    double y = 1.2;
    double z = 1.45;
    DataSeries series = new DataSeries();
    DataSeriesItem point = new DataSeriesItem(x, y);
    Marker marker = new Marker();
    // Set line width and color
    // Normally zero width
    marker.setLineWidth(1);
    marker.setLineColor(SolidColor.BLACK);
    // Set RGB fill color
    int level = (int) Math.round((1 - z) * 127);
    marker.setFillColor(new SolidColor(255 - level, 0, level));
    point.setMarker(marker);
    marker.setRadius((z + 1) * 5);
    series.add(point);
}

Example 9 with Marker

use of com.vaadin.addon.charts.model.Marker in project charts by vaadin.

the class ChartTypes method chartTypesScatterMarkerSymbolsSnippet2.

public void chartTypesScatterMarkerSymbolsSnippet2() {
    Marker marker = new Marker();
    String url = VaadinServlet.getCurrent().getServletContext().getContextPath() + "/VAADIN/themes/mytheme/img/smiley.png";
    marker.setSymbol(new MarkerSymbolUrl(url));
}

Example 10 with Marker

use of com.vaadin.addon.charts.model.Marker in project charts by vaadin.

the class BasicUse method basicUse3dDistanceSnippet2.

public void basicUse3dDistanceSnippet2() {
    double x = 3.2;
    double z = 3.3;
    double y = 2.3;
    Options3d options3d = new Options3d();
    DataSeriesItem3d item = new DataSeriesItem3d(x, y, z * options3d.getDepth().doubleValue());
    double distance = 43.2;
    // Grayness
    int gr = (int) (distance * 75);
    Marker marker = new Marker(true);
    marker.setRadius(1 + 10 / distance);
    marker.setFillColor(new SolidColor(gr, gr, gr));
    item.setMarker(marker);
    DataSeries series = new DataSeries();
    series.add(item);
}