{
databuff = initDataMode();
ListModelList dataModel1 = new ListModelList(databuff.get(0));
ListModelList dataModel2 = new ListModelList(databuff.get(1));
ListModelList dataModel3 = new ListModelList(databuff.get(2));
ValueGeometry vg = new DefaultValueGeometry();
vg.setGridColor("#000000");
TimeGeometry tg = new DefaultTimeGeometry();
tg.setGridStep(2 * 60 * 60 * 1000);
tg.setAxisLabelsPlacement("bottom");
tg.setGridStepRange(30 * 60 * 1000);
PlotDataSource pds = new PlotDataSource();