int chartHeight = (int) (chartWidth / GOLDEN__RATIO);
Chronoscope.setFontBookRendering(true);
ChronoscopeOptions.setErrorReporting(true);
Chronoscope.setMicroformatsEnabled(false);
Chronoscope.initialize();
mockDsFactory = new MockDatasetFactory(Chronoscope.get().getComponentFactory().getDatasetFactory());
final Dataset[] ds = new Dataset[2];
ds[0] = Chronoscope.get().getDatasetReader().createDatasetFromJson(new GwtJsonDataset(getJson("unratedata")));
ds[1] = mockDsFactory.getBasicDataset();
final ChartPanel chartPanel = Chronoscope
.createTimeseriesChart(ds, chartWidth, chartHeight);