Add TTM Scalper indicator implementation in C# and Pine Script; update Blma class for average calculation; remove missing indicators report and oscillator docs rewrite plans.

2026-08-24 05:28:05 +00:00 · 2026-02-16 21:26:44 -08:00
parent b3a64f18fa
commit 63ae2c9ab2
68 changed files with 16069 additions and 587 deletions
@@ -0,0 +1,57 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class PsarIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Start AF", sortIndex: 0, 0.001, 1.0, 0.001, 3)]
+    public double AfStart { get; set; } = 0.02;
+
+    [InputParameter("AF Increment", sortIndex: 1, 0.001, 1.0, 0.001, 3)]
+    public double AfIncrement { get; set; } = 0.02;
+
+    [InputParameter("Max AF", sortIndex: 2, 0.001, 1.0, 0.01, 2)]
+    public double AfMax { get; set; } = 0.20;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Psar _indicator = null!;
+    private readonly LineSeries _sarSeries;
+
+    public static int MinHistoryDepths => 0;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    public override string ShortName => $"PSAR({AfStart:F2},{AfIncrement:F2},{AfMax:F2})";
+    public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/reversals/psar/Psar.cs";
+
+    public PsarIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = false;
+        Name = "PSAR - Parabolic Stop And Reverse";
+        Description = "Trend-following trailing stop indicator. SAR accelerates toward price as trend progresses, flipping on reversal.";
+
+        _sarSeries = new LineSeries(name: "SAR", color: Color.DodgerBlue, width: 2, style: LineStyle.Dot);
+
+        AddLineSeries(_sarSeries);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnInit()
+    {
+        _indicator = new Psar(AfStart, AfIncrement, AfMax);
+        base.OnInit();
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        _ = _indicator.Update(this.GetInputBar(args), args.IsNewBar());
+
+        _sarSeries.SetValue(_indicator.Sar, _indicator.IsHot, ShowColdValues);
+    }
+}