moar Chart indicators

2026-08-23 13:08:04 +00:00 · 2024-11-07 21:40:02 -08:00
parent 2a72b2881b
commit 351214ed31
49 changed files with 697 additions and 42 deletions
@@ -0,0 +1,70 @@
+using System.Drawing;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+public class PmoIndicator : Indicator
+{
+    [InputParameter("First Period", sortIndex: 1, minimum: 1, maximum: 2000, increment: 1)]
+    public int Period1 { get; set; } = 35;
+
+    [InputParameter("Second Period", sortIndex: 2, minimum: 1, maximum: 2000, increment: 1)]
+    public int Period2 { get; set; } = 20;
+
+    [InputParameter("Data source", sortIndex: 3, variants: [
+        "Open", SourceType.Open,
+        "High", SourceType.High,
+        "Low", SourceType.Low,
+        "Close", SourceType.Close,
+        "HL/2 (Median)", SourceType.HL2,
+        "OC/2 (Midpoint)", SourceType.OC2,
+        "OHL/3 (Mean)", SourceType.OHL3,
+        "HLC/3 (Typical)", SourceType.HLC3,
+        "OHLC/4 (Average)", SourceType.OHLC4,
+        "HLCC/4 (Weighted)", SourceType.HLCC4
+    ])]
+    public SourceType Source { get; set; } = SourceType.Close;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Pmo? pmo;
+    protected LineSeries? Series;
+    protected string? SourceName;
+
+    public override string ShortName => $"PMO({Period1},{Period2})";
+
+    public PmoIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = true;
+        SourceName = Source.ToString();
+        Name = "PMO - Price Momentum Oscillator";
+        Description = "A momentum indicator that uses exponential moving averages of ROC to identify overbought and oversold conditions";
+
+        Series = new(name: $"PMO({Period1},{Period2})", color: IndicatorExtensions.Momentum, width: 2, style: LineStyle.Solid);
+        AddLineSeries(Series);
+    }
+
+    protected override void OnInit()
+    {
+        pmo = new Pmo(period1: Period1, period2: Period2);
+        SourceName = Source.ToString();
+        base.OnInit();
+    }
+
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        TValue input = this.GetInputValue(args, Source);
+        TValue result = pmo!.Calc(input);
+
+        Series!.SetValue(result.Value);
+        Series!.SetMarker(0, Color.Transparent);
+    }
+
+    public override void OnPaintChart(PaintChartEventArgs args)
+    {
+        base.OnPaintChart(args);
+        this.PaintSmoothCurve(args, Series!, pmo!.WarmupPeriod, showColdValues: ShowColdValues, tension: 0.2);
+    }
+}