Example usage for com.google.gwt.visualization.client.visualizations ScatterChart ScatterChart

Introduction

In this page you can find the example usage for com.google.gwt.visualization.client.visualizations ScatterChart ScatterChart.

Prototype

public ScatterChart(AbstractDataTable data, Options options) 

Source Link

Usage

From source file:com.google.sampling.experiential.client.ChartOMundo.java

License:Open Source License

private ScatterChart createScatterChart(List<EventDAO> eventList, String chartTitle, String key1, String key2) {
    String xAxis = key1;//from   ww  w . j  a v  a 2 s.  c o  m
    String yAxis = key2;

    DataTable data = DataTable.create();
    data.addRows(eventList.size());
    data.addColumn(ColumnType.NUMBER, xAxis);
    data.addColumn(ColumnType.NUMBER, yAxis);

    int row = 0;
    // String debugPoints = "";
    for (EventDAO event : eventList) {
        String key1ValStr = event.getWhatByKey(key1);
        String key2ValStr = event.getWhatByKey(key2);
        // debugPoints += key1ValStr + "," + key2ValStr +"<br/>";
        if (key1ValStr == null || key2ValStr == null) {
            continue;
        }
        Class key1ValueClass = getDataTypeOf(key1ValStr);
        Class key2ValueClass = getDataTypeOf(key2ValStr);
        if (key1ValueClass.equals(Double.class)) {
            data.setValue(row, 0, Double.valueOf(key1ValStr));
        } else {
            data.setValue(row, 0, Long.valueOf(key1ValStr));
        }
        if (key2ValueClass.equals(Double.class)) {
            data.setValue(row, 1, Double.valueOf(key2ValStr));
        } else {
            data.setValue(row, 1, Long.valueOf(key2ValStr));
        }

        row++;
    }
    // Window.alert("Points:<br/>" + debugPoints);
    ScatterChart scatterChart = new ScatterChart(data,
            createScatterChartOptions(chartTitle, xAxis, yAxis, "#000033", 0, 0));
    return scatterChart;
}

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From source file:com.rhizospherejs.gwt.showcase.client.gviz.GoogleVisualizationTab.java

License:Open Source License

private GoogleVisualizationTab() {
    initWidget(ui.createAndBindUi(this));
    dobInput.setValue(new Date());
    dobInput.setFormat(new DateBox.DefaultFormat(DateTimeFormat.getFormat(PredefinedFormat.DATE_SHORT)));

    // Ensures that both the Google Visualization APIs and Rhizosphere libraries
    // are loaded.
    VisualizationUtils.loadVisualizationApi(new Runnable() {
        @Override/* ww w  . j ava  2s .co  m*/
        public void run() {
            RhizosphereLoader.getInstance().ensureInjected(new Runnable() {
                @Override
                public void run() {
                    // Populate the DataTable with some sample data.
                    initDataTable();

                    // Setup configuration options for both Rhizosphere and the
                    // scatterplot.
                    initOptions();

                    DataView view = DataView.create(dataTable);
                    view.setColumns(new int[] { 1, 2 });
                    scatterChart = new ScatterChart(view, scatterChartOptions);
                    chartContainer.clear();
                    chartContainer.add(scatterChart);

                    rhizosphere = new GVizRhizosphere(dataTable, rhizosphereOptions);
                    rhizosphere.setWidth("400px");
                    rhizosphere.setHeight("400px");
                    rhizosphereContainer.clear();
                    rhizosphereContainer.add(rhizosphere);
                }
            });
        }
    }, "corechart");
}

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