From e63abd36fbdf4eca5c164b5364955cdbd04ce2e4 Mon Sep 17 00:00:00 2001
From: Toh4iem9 <Toh4iem9@forge.mql5.io>
Date: Tue, 21 Oct 2025 10:57:40 +0200
Subject: [PATCH] refactor: Added optional Noise Elimination Technology (NET)

---
 Indicators/MyIndicators/RSIH_Pro.mq5 | 74 ++++++++++++++++++----------
 1 file changed, 48 insertions(+), 26 deletions(-)

diff --git a/Indicators/MyIndicators/RSIH_Pro.mq5 b/Indicators/MyIndicators/RSIH_Pro.mq5
index ec233a4..8fe5aaa 100644
--- a/Indicators/MyIndicators/RSIH_Pro.mq5
+++ b/Indicators/MyIndicators/RSIH_Pro.mq5
@@ -4,18 +4,27 @@
 //|                                                                  |
 //+------------------------------------------------------------------+
 #property copyright "Copyright 2025, xxxxxxxx"
-#property version   "1.00"
-#property description "John Ehlers' Improved RSI with Hann Windowing (RSIH)."
+#property version   "2.00" // Added optional Noise Elimination Technology (NET)
+#property description "John Ehlers' Improved RSI with Hann Windowing (RSIH) and optional NET filter."
 
 #property indicator_separate_window
-#property indicator_buffers 1
-#property indicator_plots   1
+#property indicator_buffers 2
+#property indicator_plots   2
+
+//--- Plot 1: Base RSIH
 #property indicator_label1  "RSIH"
 #property indicator_type1   DRAW_LINE
 #property indicator_color1  clrGray
-#property indicator_style1  STYLE_SOLID
+#property indicator_style1  STYLE_DOT
 #property indicator_width1  1
 
+//--- Plot 2: NET-filtered RSIH
+#property indicator_label2  "NET(RSIH)"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrDodgerBlue
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  1
+
 #property indicator_minimum -1.1
 #property indicator_maximum 1.1
 #property indicator_level1 0.5
@@ -26,33 +35,25 @@
 
 #include <MyIncludes\RSIH_Calculator.mqh>
 
-//--- Custom Enum for Price Source, including Heikin Ashi
 enum ENUM_APPLIED_PRICE_HA_ALL
   {
-//--- Heikin Ashi Prices
-   PRICE_HA_CLOSE = -1,
-   PRICE_HA_OPEN = -2,
-   PRICE_HA_HIGH = -3,
-   PRICE_HA_LOW = -4,
-   PRICE_HA_MEDIAN = -5,
-   PRICE_HA_TYPICAL = -6,
-   PRICE_HA_WEIGHTED = -7,
-//--- Standard Prices
-   PRICE_CLOSE_STD = PRICE_CLOSE,
-   PRICE_OPEN_STD = PRICE_OPEN,
-   PRICE_HIGH_STD = PRICE_HIGH,
-   PRICE_LOW_STD = PRICE_LOW,
-   PRICE_MEDIAN_STD = PRICE_MEDIAN,
-   PRICE_TYPICAL_STD = PRICE_TYPICAL,
-   PRICE_WEIGHTED_STD = PRICE_WEIGHTED
+   PRICE_HA_CLOSE    = -1, PRICE_HA_OPEN     = -2, PRICE_HA_HIGH     = -3, PRICE_HA_LOW      = -4,
+   PRICE_HA_MEDIAN   = -5, PRICE_HA_TYPICAL  = -6, PRICE_HA_WEIGHTED = -7,
+   PRICE_CLOSE_STD   = PRICE_CLOSE, PRICE_OPEN_STD    = PRICE_OPEN, PRICE_HIGH_STD    = PRICE_HIGH,
+   PRICE_LOW_STD     = PRICE_LOW, PRICE_MEDIAN_STD  = PRICE_MEDIAN, PRICE_TYPICAL_STD = PRICE_TYPICAL,
+   PRICE_WEIGHTED_STD= PRICE_WEIGHTED
   };
 
 //--- Input Parameters ---
 input int                       InpPeriodRSI    = 14;
 input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice  = PRICE_CLOSE_STD;
+input group "Noise Elimination Technology (NET)"
+input bool                      InpApplyNET     = true;
+input int                       InpPeriodNET    = 14;
 
 //--- Indicator Buffers ---
 double    BufferRSIH[];
+double    BufferNET[];
 
 //--- Global calculator object ---
 CRSIHCalculator *g_calculator;
@@ -61,26 +62,29 @@ CRSIHCalculator *g_calculator;
 int OnInit()
   {
    SetIndexBuffer(0, BufferRSIH, INDICATOR_DATA);
+   SetIndexBuffer(1, BufferNET,  INDICATOR_DATA);
    ArraySetAsSeries(BufferRSIH, false);
+   ArraySetAsSeries(BufferNET,  false);
 
    if(InpSourcePrice <= PRICE_HA_CLOSE)
      {
       g_calculator = new CRSIHCalculator_HA();
-      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSIH HA(%d)", InpPeriodRSI));
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSIH HA(%d,%d)", InpPeriodRSI, InpPeriodNET));
      }
    else
      {
       g_calculator = new CRSIHCalculator();
-      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSIH(%d)", InpPeriodRSI));
+      IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("RSIH(%d,%d)", InpPeriodRSI, InpPeriodNET));
      }
 
-   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriodRSI))
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriodRSI, InpPeriodNET))
      {
       Print("Failed to create or initialize RSIH Calculator object.");
       return(INIT_FAILED);
      }
 
    PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriodRSI + 1);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, InpPeriodRSI + InpPeriodNET + 1);
    IndicatorSetInteger(INDICATOR_DIGITS, 2);
 
    return(INIT_SUCCEEDED);
@@ -105,7 +109,25 @@ int OnCalculate(const int rates_total, const int, const datetime&[], const doubl
    else
       price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
 
-   g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferRSIH);
+   g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferRSIH, BufferNET);
+
+// Hide buffers if not enabled by the user
+   if(!InpApplyNET)
+     {
+      for(int i=0; i<rates_total; i++)
+        {
+         BufferNET[i] = EMPTY_VALUE;
+         // If NET is off, make the base RSIH the main line
+         PlotIndexSetInteger(0, PLOT_LINE_STYLE, STYLE_SOLID);
+         PlotIndexSetInteger(0, PLOT_LINE_COLOR, clrDodgerBlue);
+        }
+     }
+   else
+     {
+      // Restore default styles if NET is on
+      PlotIndexSetInteger(0, PLOT_LINE_STYLE, STYLE_DOT);
+      PlotIndexSetInteger(0, PLOT_LINE_COLOR, clrGray);
+     }
 
    return(rates_total);
   }