private Chart createChart(int points) {
Chart chart = new Chart(ChartType.SCATTER);
Configuration conf = chart.getConfiguration();
conf.getChart().setZoomType(ZoomType.XY);
conf.disableCredits();
conf.setTitle("Height vs Weight");
conf.setSubTitle("Polygon series in Vaadin Charts.");
Tooltip tooltip = conf.getTooltip();
tooltip.setHeaderFormat("{series.name}");
tooltip.setPointFormat("{point.x} cm, {point.y} kg");
XAxis xAxis = conf.getxAxis();
xAxis.setStartOnTick(true);
xAxis.setEndOnTick(true);
xAxis.setShowLastLabel(true);
xAxis.setTitle("Height (cm)");
YAxis yAxis = conf.getyAxis();
yAxis.setTitle("Weight (kg)");
AbstractLinePlotOptions plotOptions = new PlotOptionsScatter();
plotOptions.setThreshold(0);
DataSeries scatter = new DataSeries();
scatter.setPlotOptions(plotOptions);
scatter.setName("Observations");
fillScatter(scatter, points);
conf.addSeries(scatter);
return chart;
}
private Configuration createConf() {
Configuration conf = new Configuration();
conf.setTitle("Historic World Population by Region");
conf.setSubTitle("Source: Wikipedia.org");
XAxis x = new XAxis();
x.setCategories("Africa", "America", "Asia", "Europe", "Oceania");
x.setTitle((String) null);
conf.addxAxis(x);
YAxis y = new YAxis();
y.setMin(0);
Title title = new Title("Population (millions)");
title.setVerticalAlign(VerticalAlign.HIGH);
y.setTitle(title);
conf.addyAxis(y);
Tooltip tooltip = new Tooltip();
tooltip.setFormatter("this.series.name +': '+ this.y +' millions'");
conf.setTooltip(tooltip);
PlotOptionsBar plot = new PlotOptionsBar();
plot.setDataLabels(new Labels(true));
conf.setPlotOptions(plot);
Legend legend = new Legend();
legend.setLayout(LayoutDirection.VERTICAL);
legend.setHorizontalAlign(HorizontalAlign.RIGHT);
legend.setVerticalAlign(VerticalAlign.TOP);
legend.setX(-100);
legend.setY(100);
legend.setFloating(true);
legend.setBorderWidth(1);
legend.setBackgroundColor("#FFFFFF");
legend.setShadow(true);
conf.setLegend(legend);
conf.disableCredits();
List<Series> series = new ArrayList<Series>();
series.add(new ListSeries("Year 1800", 107, 31, 635, 203, 2));
series.add(new ListSeries("Year 1900", 133, 156, 947, 408, 6));
series.add(new ListSeries("Year 2008", 973, 914, 4054, 732, 34));
conf.setSeries(series);
return conf;
}