bullsbearseyes_v1

//+------------------------------------------------------------------+
//|                                               BullsBearsEyes.mq5 | 
//|                   Copyright © 2007, EmeraldKing, transport_david | 
//|                                                                  | 
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, EmeraldKing, transport_david"
#property link "http://finance.groups.yahoo.com/group/MetaTrader_Experts_and_Indicators/"
#property description "BullsBearsEyes"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.01"
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window 
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ
#property indicator_buffers 1 
//---- èñïîëüçîâàíî âñåãî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà               |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå ëèíèè
#property indicator_type1   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí BlueViolet öâåò
#property indicator_color1 clrBlueViolet
//---- ëèíèÿ èíäèêàòîðà - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 1
#property indicator_width1  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "BullsBearsEyes"
//+----------------------------------------------+
//| Ïàðàìåòðû îòîáðàæåíèÿ ãîðèçîíòàëüíûõ óðîâíåé |
//+----------------------------------------------+
#property indicator_level1 1.0
#property indicator_level2 0.75
#property indicator_level3 0.50
#property indicator_level4 0.25
#property indicator_level5 0.0
#property indicator_levelcolor clrLimeGreen
#property indicator_levelstyle STYLE_DASHDOTDOT
//+----------------------------------------------+
//| Îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+
#define RESET 0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input int period=13;    // Ïåðèîä óñðåäíåíèÿ èíäèêàòîðà
input double gamma=0.6; // Êîýôôèöèåíò ñãëàæèâàíèÿ èíäèêàòîðà
input int    Shift=0;   // Ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêîãî ìàññèâà, êîòîðûé áóäåò â 
//---- äàëüíåéøåì èñïîëüçîâàí â êà÷åñòâå èíäèêàòîðíîãî áóôåðà
double BullsBearsEyes[];
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Bears_Handle,Bulls_Handle;
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+   
//| BullsBearsEyes indicator initialization function                 | 
//+------------------------------------------------------------------+ 
void OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=int(period+1);
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà iBearsPower
   Bears_Handle=iBearsPower(NULL,0,int(period));
   if(Bears_Handle==INVALID_HANDLE) Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iBearsPower");
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà iBullsPower
   Bulls_Handle=iBullsPower(NULL,0,int(period));
   if(Bulls_Handle==INVALID_HANDLE) Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà iBullsPower");
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,BullsBearsEyes,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);
//---- 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(BullsBearsEyes,true);
//---- èíèöèàëèçàöèè ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   StringConcatenate(shortname,"BullsBearsEyes(",period,", ",gamma,", ",Shift,")");
//--- 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,2);
//---- çàâåðøåíèå èíèöèàëèçàöèè
  }
//+------------------------------------------------------------------+ 
//| BullsBearsEyes 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(BarsCalculated(Bears_Handle)<rates_total
      || BarsCalculated(Bulls_Handle)<rates_total
      || rates_total<min_rates_total)
      return(RESET);
//---- îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
   double result,Bears[],Bulls[],CU,CD;
   double L0,L1,L2,L3,L0A,L1A,L2A,L3A;
   static double L0_,L1_,L2_,L3_;
//---- îáúÿâëåíèå öåëûõ ïåðåìåííûõ è ïîëó÷åíèå óæå ïîñ÷èòàííûõ áàðîâ
   int limit,bar,to_copy;
//---- ðàñ÷åòû íåîáõîäèìîãî êîëè÷åñòâà êîïèðóåìûõ äàííûõ è
//---- 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
     }
   else limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
   to_copy=limit+1;
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ, êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(Bears,true);
   ArraySetAsSeries(Bulls,true);
//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâ  
   if(CopyBuffer(Bears_Handle,0,0,to_copy,Bears)<=0) return(RESET);
   if(CopyBuffer(Bulls_Handle,0,0,to_copy,Bulls)<=0) return(RESET);
//---- âîññòàíàâëèâàåì çíà÷åíèÿ ïåðåìåííûõ
   L0=L0_;
   L1=L1_;
   L2=L2_;
   L3=L3_;
//---- ïåðåñ÷åò çíà÷åíèé èíäèêàòîðîâ
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      //---- çàïîìèíàåì çíà÷åíèÿ ïåðåìåííûõ ïåðåä ïðîãîíàìè íà òåêóùåì áàðå
      if(rates_total!=prev_calculated && bar==0)
        {
         L0_=L0;
         L1_=L1;
         L2_=L2;
         L3_=L3;
        }
      //---
      L0A=L0;
      L1A=L1;
      L2A=L2;
      L3A=L3;
      //---
      L0=(1.0-gamma)*(Bears[bar]+Bulls[bar])+gamma*L0A;
      L1=-gamma*L0+L0A+gamma*L1A;
      L2=-gamma*L1+L1A+gamma*L2A;
      L3=-gamma*L2+L2A+gamma*L3A;
      //---
      CU=0.0;
      CD=0.0;
      result=0.0;
      if(L0>=L1) CU=L0-L1; else CD=L1-L0;
      if(L1>=L2) CU+=L1-L2; else CD+=L2-L1;
      if(L2>=L3) CU+=L2-L3; else CD+=L3-L2;
      if(CU+CD!=0) result=CU/(CU+CD);
      //---
      BullsBearsEyes[bar]=result;
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+