Initial commit: MQL5 Indicators Collection (MetaTrader 5) - Part 2

2025-06-24 00:49:28 +01:00
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+# 🚀 Unlock the Power of Trading!
+
+Welcome to this open-source trading project. Here you will find powerful tools to enhance your trading journey. If you find this project useful, please consider starring ⭐, sharing, or donating to support further development!
+
+---
+
+**Support the project:**
+- Star this repository on GitHub
+- Share it with your trading friends
+- [Donate here](https://www.paypal.com/donate/?hosted_button_id=YOUR_BUTTON_ID) to help us grow!
+
+---
+
+## Files included:
+### Source Files:
+- `maxminchannelwithslope.mq5`
+
+### Screenshots:
+![Screenshot](picture__22.png)
+
+> Made with ❤️ for the trading community.
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+//+------------------------------------------------------------------+ 
+//|                                       MaxminChannelWithSlope.mq5 | 
+//|                                         Copyright © 2016, fajuzi | 
+//|                                             fajuzi@yahoo.it 2015 | 
+//+------------------------------------------------------------------+ 
+#property copyright "Copyright © 2016, fajuzi"
+#property link "fajuzi@yahoo.it 2015"
+#property description "simple max - min channel with ema slope"
+//---- íîìåð âåðñèè èíäèêàòîðà
+#property version   "1.00"
+//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
+#property indicator_chart_window 
+//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ 2
+#property indicator_buffers 2 
+//---- èñïîëüçîâàíî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
+#property indicator_plots   1
+//+-----------------------------------+
+//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà    |
+//+-----------------------------------+
+//---- îòðèñîâêà èíäèêàòîðà â âèäå öâåòíîãî îáëàêà
+#property indicator_type1   DRAW_FILLING
+//---- â êà÷åñòâå öâåòà èíäèêàòîðà èñïîëüçîâàí
+#property indicator_color1  clrPaleTurquoise
+//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
+#property indicator_label1  "MaxminChannelWithSlope"
+//+-----------------------------------+
+//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà      |
+//+-----------------------------------+
+input uint      barre=20;      // Bars for calculation min max
+input double   ratio=4.0;      // Ratio EMA period / bars
+input double   xslope=1.0;     // Slope adjustment
+//+-----------------------------------+
+//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
+int  min_rates_total;
+double cosemap,emap,xslp,pendenzaxslp;
+//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
+//---- äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
+double UpBuffer[];
+double DnBuffer[];
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function                         |
+//+------------------------------------------------------------------+
+void OnInit()
+  {
+//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
+   min_rates_total=3;
+   xslp=xslope*0.5;//adjustment of slope
+   emap=barre*ratio;//period
+   cosemap=(emap+1.0)/2.0;//constant
+//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
+   SetIndexBuffer(0,UpBuffer,INDICATOR_DATA);
+//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà
+   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);
+//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
+   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE);
+//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
+   ArraySetAsSeries(UpBuffer,true);
+//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
+   SetIndexBuffer(1,DnBuffer,INDICATOR_DATA);
+//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
+   ArraySetAsSeries(DnBuffer,true);
+//---- èíèöèàëèçàöèÿ ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà   
+   string shortname;
+   StringConcatenate(shortname,"MaxminChannelWithSlope(",barre,", ",DoubleToString(ratio,2),", ",xslope,")");
+//---- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
+   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
+//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
+   IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1);
+//---- çàâåðøåíèå èíèöèàëèçàöèè
+  }
+//+------------------------------------------------------------------+  
+//| Custom indicator iteration function                              | 
+//+------------------------------------------------------------------+  
+int OnCalculate(const int rates_total,    // êîëè÷åñòâî èñòîðèè â áàðàõ íà òåêóùåì òèêå
+                const int prev_calculated,// êîëè÷åñòâî èñòîðèè â áàðàõ íà ïðåäûäóùåì òèêå
+                const datetime &Time[],
+                const double &Open[],
+                const double &High[],
+                const double &Low[],
+                const double &Close[],
+                const long &Tick_Volume[],
+                const long &Volume[],
+                const int &Spread[])
+  {
+//---- ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ ðàñ÷åòà
+   if(rates_total<min_rates_total) return(0);
+//---- îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
+   double pendenza;
+   static double pendenza_prev;
+//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ
+   int limit;
+//---- ðàñ÷åò ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷åòà áàðîâ
+   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
+     {
+      limit=rates_total-min_rates_total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
+      pendenza_prev=0.0;
+     }
+   else limit=rates_total-prev_calculated;  // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà òîëüêî íîâûõ áàðîâ
+//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
+   ArraySetAsSeries(High,true);
+   ArraySetAsSeries(Low,true);
+//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
+   for(int bar=limit; bar>=0 && !IsStopped(); bar--)
+     {
+      pendenza=pendenza_prev+(High[bar]+Low[bar]-High[bar+1]-Low[bar+1]-pendenza_prev)/cosemap;
+      pendenzaxslp=pendenza*xslp;
+      //----
+      switch(bar+1-ArrayMaximum(High,bar,barre))
+        {
+         case 0 : UpBuffer[bar+1]=High[bar+1]; break;
+         default : UpBuffer[bar+1]=UpBuffer[bar+2]+pendenzaxslp;
+        }
+      switch(bar+1-ArrayMinimum(Low,bar,barre))
+        {
+         case 0 : DnBuffer[bar+1]=Low[bar+1]; break;
+         default : DnBuffer[bar+1]=DnBuffer[bar+2]+pendenzaxslp;
+        }
+      if(bar) pendenza_prev=pendenza;
+     }
+   UpBuffer[0]=UpBuffer[1]+pendenzaxslp;
+   DnBuffer[0]=DnBuffer[1]+pendenzaxslp;
+//----    
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+