public ChartViewModel()
{
ViewportManager = new DefaultViewportManager();
var dataSeries = new XyDataSeries <float, float>();
var x = new float[] { 1, 2, 4, 5, 6, 7 };
var y = new float[] { 4, 2, 3, 1, 2, 3 };
dataSeries.SeriesName = "Series 1";
dataSeries.Append(x, y);
var viewModel = new LineRenderableSeriesViewModel {
DataSeries = dataSeries, StyleKey = "LineStyle"
};
RenderableSeriesViewModels.Add(viewModel);
var annotation = new ExHorizontalLineAnnotation {
Caption = "Annotation", Y1 = 2
};
Annotations.Add(annotation);
ViewportManager.ZoomExtents();
}
public ZoomHistoryMvvmViewModel()
{
_rangeHistoryCompare = new RangeHistorySameCompare();
var vm1 = new LineRenderableSeriesViewModel
{
DataSeries = FillData(new XyDataSeries <double, double>(), "firstDataSeries"),
XAxisId = _xAxisKey.Id,
YAxisId = _y0AxisKey.Id,
StrokeThickness = 2,
Stroke = Color.FromArgb(0xff, 0x64, 0x95, 0xed),
};
var vm2 = new LineRenderableSeriesViewModel
{
DataSeries = FillData(new XyDataSeries <double, double>(), "secondDataSeries"),
XAxisId = _xAxisKey.Id,
YAxisId = _y1AxisKey.Id,
StrokeThickness = 2,
Stroke = Color.FromArgb(0xff, 0xff, 0x45, 0x00),
};
RenderableSeriesViewModels = new List <IRenderableSeriesViewModel> {
vm1, vm2
};
_zoomHistoryManager = new ZoomHistoryManager();
_zoomHistoryManager.RangeHistoryChanged += OnRangeHistoryChanged;
_undoCommand = new ActionCommand(() =>
{
if (_zoomHistoryManager.CanUndo())
{
_zoomHistoryManager.Undo();
var index = RangesHistory.IndexOf(_selectedRange, _rangeHistoryCompare);
_selectedRange = RangesHistory[index - 1];
OnPropertyChanged("SelectedRange");
RaiseUndoRedoCanExecute();
}
}, () => _zoomHistoryManager.CanUndo());
_redoCommand = new ActionCommand(() =>
{
if (_zoomHistoryManager.CanRedo())
{
_zoomHistoryManager.Redo();
var index = RangesHistory.IndexOf(_selectedRange, _rangeHistoryCompare);
_selectedRange = RangesHistory[index + 1];
OnPropertyChanged("SelectedRange");
RaiseUndoRedoCanExecute();
}
}, () => _zoomHistoryManager.CanRedo());
}
private void InitializeRenderableSeries()
{
var renderableSeries = new LineRenderableSeriesViewModel
{
Stroke = Colors.Blue,
StrokeThickness = 2,
PointMarker = new EllipsePointMarker()
};
var dataSeries = new XyDataSeries <double>();
for (int i = 0; i < 11; ++i)
{
dataSeries.Append(i, i - 3);
}
renderableSeries.DataSeries = dataSeries;
RenderableSeries.Add(renderableSeries);
}
public UsePaletteProviderViewModel()
{
// In the MvvmSciChartSurface, we don't have to create a dataset. Just create DataSeries and append as usual
var dataSeries0 = new XyDataSeries <DateTime, double>();
var dataSeries1 = new XyDataSeries <DateTime, double>();
var dataSeries2 = new OhlcDataSeries <DateTime, double>();
var dataSeries3 = new OhlcDataSeries <DateTime, double>();
var dataSeries4 = new XyDataSeries <DateTime, double>();
var dataSeries5 = new XyDataSeries <DateTime, double>();
var dataSource = DataManager.Instance;
// Prices are in the format Time, Open, High, Low, Close (all IList)
var prices = dataSource.GetPriceData(Instrument.Indu.Value, TimeFrame.Daily);
var dataOffset = -1000;
// Append data to series
dataSeries0.Append(prices.TimeData, dataSource.Offset(prices.OpenData, dataOffset * 2));
dataSeries1.Append(prices.TimeData, dataSource.Offset(prices.OpenData, -dataOffset));
dataSeries2.Append(prices.TimeData, prices.OpenData, prices.HighData, prices.LowData, prices.CloseData);
dataSeries3.Append(prices.TimeData, dataSource.Offset(prices.OpenData, dataOffset),
dataSource.Offset(prices.HighData, dataOffset),
dataSource.Offset(prices.LowData, dataOffset),
dataSource.Offset(prices.CloseData, dataOffset));
dataSeries4.Append(prices.TimeData, dataSource.Offset(prices.CloseData, dataOffset * 3));
dataSeries5.Append(prices.TimeData, dataSource.Offset(prices.OpenData, dataOffset * 2.5));
// Add the DataSeries / RenderableSeries to the ChartSeriesViewModel collection
// These are paired so if you want to remove the series, just remove the viewmodel (it will remove the data and renderable series)
// Or, if you want to change the RenderableSeries properties, just update the RenderSeries on the ChartSeriesViewModel
var mountainSeriesVm = new MountainRenderableSeriesViewModel
{
DataSeries = dataSeries0,
StyleKey = "MountainSeriesStyle"
};
var lineSeriesVm = new LineRenderableSeriesViewModel
{
DataSeries = dataSeries1,
StyleKey = "LineSeriesStyle"
};
var ohlcSeriesVm = new OhlcRenderableSeriesViewModel
{
DataSeries = dataSeries2,
StyleKey = "OhlcSeriesStyle"
};
var candlestickSeriesVm = new CandlestickRenderableSeriesViewModel
{
DataSeries = dataSeries3,
StyleKey = "CandlestickSeriesStyle"
};
var columnSeriesVm = new ColumnRenderableSeriesViewModel
{
DataSeries = dataSeries4,
StyleKey = "ColumnSeriesStyle"
};
var scatterSeriesVm = new XyScatterRenderableSeriesViewModel
{
DataSeries = dataSeries5,
StyleKey = "ScatterSeriesStyle"
};
_chartSeriesViewModels = new List <IRenderableSeriesViewModel>
{
mountainSeriesVm,
lineSeriesVm,
ohlcSeriesVm,
candlestickSeriesVm,
columnSeriesVm,
scatterSeriesVm
};
}
