RangeSataSeries - ranges
The DataSeies, each element of which represents RangeValue, where the minimum and maximum values are set.
Main properties:
- Color - colour
- ScaleIt - a flag that regulates the indicator auto-scale
- Visible - a flag that regulates the DataSeries visibility
Example of the Bollinger Bands indicator that uses this DataSeies
public class BollingerBands : Indicator { private readonly RangeDataSeries _band = new RangeDataSeries("BackGround"); private readonly StdDev _dev = new StdDev(); private readonly SMA _sma = new SMA(); private decimal _width; public int Period { get => _sma.Period; set { if (value <= 0) return; _sma.Period = _dev.Period = value; RecalculateValues(); } } public decimal Width { get => _width; set { if (value <= 0) return; _width = value; RecalculateValues(); } } public BollingerBands() { ((ValueDataSeries)DataSeries[0]).Color = Colors.Green; DataSeries.Add(new ValueDataSeries("Up") { VisualType = VisualMode.Line }); DataSeries.Add(new ValueDataSeries("Down") { VisualType = VisualMode.Line }); DataSeries.Add(_band); Period = 10; Width = 1; } protected override void OnCalculate(int bar, decimal value) { var sma = _sma.Calculate(bar, value); var dev = _dev.Calculate(bar, value); this[bar] = sma; DataSeries[1][bar] = sma + dev * Width; DataSeries[2][bar] = sma - dev * Width; _band[bar].Upper = sma + dev * Width; _band[bar].Lower = sma - dev * Width; } }
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