public MainViewModel()
{
CreateChartData();
CreateChartSeries();
CreateChartAxis();
// Subscribe to future updates
int i = 0;
_dummyDataProvider.SubscribeUpdates((newValues) =>
{
// Append when new values arrive
_lineData.Append(newValues.XValues, newValues.YValues);
// Zoom the chart to fit
_lineData.InvalidateParentSurface(RangeMode.ZoomToFit);
// Every 100th datapoint, add an annotation
if (i % 100 == 0)
{
Annotations.Add(new InfoAnnotationViewModel()
{
X1 = _lineData.XValues.Last(), Y1 = 0.0
});
}
i++;
});
}
public MainViewModel()
{
var dummyDataProvider = new DummyDataProvider();
var lineData = new XyDataSeries <double, double>()
{
SeriesName = "TestingSeries"
};
_renderableSeries = new ObservableCollection <IRenderableSeriesViewModel>();
RenderableSeries.Add(new LineRenderableSeriesViewModel()
{
StrokeThickness = 2,
Stroke = Colors.SteelBlue,
DataSeries = lineData,
StyleKey = "LineSeriesStyle"
});
// Append the initial values to the chart
var initialDataValues = dummyDataProvider.GetHistoricalData();
lineData.Append(initialDataValues.XValues, initialDataValues.YValues);
// Subscribe to future updates
dummyDataProvider.SubscribeUpdates((newValues) =>
{
// Append when new values arrive
lineData.Append(newValues.XValues, newValues.YValues);
// Zoom the chart to fit
lineData.InvalidateParentSurface(RangeMode.ZoomToFit);
});
}
