Remove multiple Pine Script indicators: SSFDSP, STARCHANNEL, STBANDS, STC, UBANDS, UCHANNEL, VWAPBANDS, and VWAPSD. These indicators were deleted to streamline the library and remove unused or redundant code.

2026-08-20 19:48:05 +00:00 · 2026-02-20 18:44:56 -08:00
parent 3dd05f23e4
commit cbeefc9d64
283 changed files with 23963 additions and 3838 deletions
@@ -0,0 +1,63 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class ErIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Period", sortIndex: 1, 1, 500, 1, 0)]
+    public int Period { get; set; } = 10;
+
+    [IndicatorExtensions.DataSourceInput(sortIndex: 2)]
+    public SourceType Source { get; set; } = SourceType.Close;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Er _er = null!;
+    private readonly LineSeries _erLine;
+
+    public static int MinHistoryDepths => 0;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    public override string ShortName => $"ER ({Period})";
+    public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/oscillators/er/Er.Quantower.cs";
+
+    public ErIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = true;
+        Name = "ER - Kaufman Efficiency Ratio";
+        Description = "Measures signal-to-noise ratio: 1 = trending, 0 = choppy";
+
+        _erLine = new LineSeries("ER", Color.Yellow, 2, LineStyle.Solid);
+        AddLineSeries(_erLine);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnInit()
+    {
+        _er = new Er(Period);
+        base.OnInit();
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        var priceSelector = Source.GetPriceSelector();
+        var item = HistoricalData[0, SeekOriginHistory.End];
+        double price = priceSelector(item);
+
+        TValue input = new(item.TimeLeft, price);
+        TValue result = _er.Update(input, args.IsNewBar());
+
+        if (!_er.IsHot && !ShowColdValues)
+        {
+            return;
+        }
+
+        _erLine.SetValue(result.Value);
+    }
+}