Volume_Weighted_MA_StDev

//+------------------------------------------------------------------+
//|                                     Volume_Weighted_MA_StDev.mq5 | 
//|                                    Copyright © 2011, StatBars TO | 
//|                                      http://ridecrufter.narod.ru | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright © 2011, StatBars TO"
#property link "http://ridecrufter.narod.ru"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//---- äëÿ ðàñ÷¸òà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî øåñòü áóôåðîâ
#property indicator_buffers 6
//---- èñïîëüçîâàíî âñåãî ïÿòü ãðàôè÷åñêèõ ïîñòðîåíèé
#property indicator_plots   5
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè ëèíèè èíäèêàòîðà        |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå ëèíèè
#property indicator_type1   DRAW_COLOR_LINE
//---- â êà÷åñòâå öâåòîâ òð¸õöâåòíîé ëèíèè èñïîëüçîâàíû
#property indicator_color1  clrMagenta,clrGray,clrBlue
//---- ëèíèÿ èíäèêàòîðà - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 3
#property indicator_width1  3
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "Volume_Weighted_MA"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè ìåäâåæüåãî èíäèêàòîðà   |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 2 â âèäå ñèìâîëà
#property indicator_type2   DRAW_ARROW
//---- â êà÷åñòâå öâåòà ìåäâåæüåãî èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color2  clrRed
//---- òîëùèíà ëèíèè èíäèêàòîðà 2 ðàâíà 2
#property indicator_width2  2
//---- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label2  "Dn_Signal 1"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè áû÷üãî èíäèêàòîðà       |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 3 â âèäå ñèìâîëà
#property indicator_type3   DRAW_ARROW
//---- â êà÷åñòâå öâåòà áû÷üåãî èíäèêàòîðà èñïîëüçîâàí ñàëàòîâûé öâåò
#property indicator_color3  clrLawnGreen
//---- òîëùèíà ëèíèè èíäèêàòîðà 3 ðàâíà 2
#property indicator_width3  2
//---- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label3  "Up_Signal 1"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè ìåäâåæüåãî èíäèêàòîðà   |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 4 â âèäå ñèìâîëà
#property indicator_type4   DRAW_ARROW
//---- â êà÷åñòâå öâåòà ìåäâåæüåãî èíäèêàòîðà èñïîëüçîâàí êðàñíûé öâåò
#property indicator_color4  clrRed
//---- òîëùèíà ëèíèè èíäèêàòîðà 4 ðàâíà 4
#property indicator_width4  4
//---- îòîáðàæåíèå ìåäâåæüåé ìåòêè èíäèêàòîðà
#property indicator_label4  "Dn_Signal 2"
//+----------------------------------------------+
//|  Ïàðàìåòðû îòðèñîâêè áû÷üãî èíäèêàòîðà       |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 5 â âèäå ñèìâîëà
#property indicator_type5   DRAW_ARROW
//---- â êà÷åñòâå öâåòà áû÷üåãî èíäèêàòîðà èñïîëüçîâàí ñàëàòîâûé öâåò
#property indicator_color5  clrLawnGreen
//---- òîëùèíà ëèíèè èíäèêàòîðà 5 ðàâíà 4
#property indicator_width5  4
//---- îòîáðàæåíèå áû÷åé ìåòêè èíäèêàòîðà
#property indicator_label5  "Up_Signal 2"
//+----------------------------------------------+
//|  îáúÿâëåíèå ïåðå÷èñëåíèé                     |
//+----------------------------------------------+
enum Applied_price_      //Òèï êîíñòàíòû
  {
   PRICE_CLOSE_ = 1,     //Close
   PRICE_OPEN_,          //Open
   PRICE_HIGH_,          //High
   PRICE_LOW_,           //Low
   PRICE_MEDIAN_,        //Median Price (HL/2)
   PRICE_TYPICAL_,       //Typical Price (HLC/3)
   PRICE_WEIGHTED_,      //Weighted Close (HLCC/4)
   PRICE_SIMPL_,         //Simpl Price (OC/2)
   PRICE_QUARTER_,       //Quarted Price (HLOC/4) 
   PRICE_TRENDFOLLOW0_,  //TrendFollow_1 Price 
   PRICE_TRENDFOLLOW1_,  //TrendFollow_2 Price
   PRICE_DEMARK_         //Demark Price
  };
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input uint Length=12;                              //ãëóáèíà ñãëàæèâàíèÿ                    
input Applied_price_ IPC=PRICE_CLOSE_;             //öåíîâàÿ êîíñòàíòà
input ENUM_APPLIED_VOLUME VolumeType=VOLUME_TICK;  //îáú¸ì 
input int Shift=0;                                 //ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ
input int PriceShift=0;                            //cäâèã èíäèêàòîðà ïî âåðòèêàëè â ïóíêòàõ
input double dK1=1.5;                              //êîýôôèöèåíò 1 äëÿ êâàäðàòè÷íîãî ôèëüòðà
input double dK2=2.5;                              //êîýôôèöèåíò 2 äëÿ êâàäðàòè÷íîãî ôèëüòðà
input uint std_period=9;                           //ïåðèîä êâàäðàòè÷íîãî ôèëüòðà
//+----------------------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
// äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double ExtLineBuffer[],ColorExtLineBuffer[];
double BearsBuffer1[],BullsBuffer1[];
double BearsBuffer2[],BullsBuffer2[];
//---- Îáúÿâëåíèå ïåðåìåííîé çíà÷åíèÿ âåðòèêàëüíîãî ñäâèãà ìóâèíãà
double dPriceShift;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int min_rates_total;
double Vol[],dVwma[];
//+------------------------------------------------------------------+   
//| Volume_Weighted_MA initialization function                       | 
//+------------------------------------------------------------------+ 
void OnInit()
  {
//---- Èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
   min_rates_total=int(Length);
//---- Èíèöèàëèçàöèÿ ñäâèãà ïî âåðòèêàëè
   dPriceShift=_Point*PriceShift;
//---- ðàñïðåäåëåíèå ïàìÿòè ïîä ìàññèâû ïåðåìåííûõ  
   ArrayResize(Vol,Length);
   ArrayResize(dVwma,std_period);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà ExtLineBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,ExtLineBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);
//--- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 2 ïî ãîðèçîíòàëè
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â öâåòîâîé, èíäåêñíûé áóôåð   
   SetIndexBuffer(1,ColorExtLineBuffer,INDICATOR_COLOR_INDEX);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà BearsBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(2,BearsBuffer1,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 2 ïî ãîðèçîíòàëè
   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);
//---- âûáîð ñèìâîëà äëÿ îòðèñîâêè
   PlotIndexSetInteger(1,PLOT_ARROW,159);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà BullsBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(3,BullsBuffer1,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 3 ïî ãîðèçîíòàëè
   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);
//---- âûáîð ñèìâîëà äëÿ îòðèñîâêè
   PlotIndexSetInteger(2,PLOT_ARROW,159);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà BearsBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(4,BearsBuffer2,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 2 ïî ãîðèçîíòàëè
   PlotIndexSetInteger(3,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total);
//---- âûáîð ñèìâîëà äëÿ îòðèñîâêè
   PlotIndexSetInteger(3,PLOT_ARROW,159);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,EMPTY_VALUE);

//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà BullsBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(5,BullsBuffer2,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 3 ïî ãîðèçîíòàëè
   PlotIndexSetInteger(4,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷¸òà îòðèñîâêè èíäèêàòîðà
   PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total);
//---- âûáîð ñèìâîëà äëÿ îòðèñîâêè
   PlotIndexSetInteger(4,PLOT_ARROW,159);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,EMPTY_VALUE);

//---- èíèöèàëèçàöèè ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   StringConcatenate(shortname,"Volume_Weighted_MA(",Length,")");
//--- 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);
//---- çàâåðøåíèå èíèöèàëèçàöèè
  }
//+------------------------------------------------------------------+ 
//| Volume_Weighted_MA 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÷¸òà
   if(rates_total<min_rates_total) return(0);

//---- Îáúÿâëåíèå ïåðåìåííûõ ñ ïëàâàþùåé òî÷êîé  
   double mov,sum,vwma;
   double SMAdif,Sum,StDev,dstd,BEARS1,BULLS1,BEARS2,BULLS2,Filter1,Filter2;
//---- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ
   int first,bar;

//---- ðàñ÷¸ò ñòàðòîâîãî íîìåðà first äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0) // ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
      first=min_rates_total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà âñåõ áàðîâ
   else first=prev_calculated-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ

//---- Îñíîâíîé öèêë ðàñ÷¸òà èíäèêàòîðà
   for(bar=first; bar<rates_total && !IsStopped(); bar++)
     {
      sum=0.0;
      for(int kkk=int(bar-Length+1); kkk<=bar; kkk++)
        {
         int index=bar-kkk;
         if(VolumeType==VOLUME_TICK) Vol[index]=double(tick_volume[kkk]);
         else Vol[index]=double(volume[kkk]);
         sum+=Vol[index];
        }
      for(int rrr=0; rrr<int(Length); rrr++) Vol[rrr]/=sum;
      mov=0.0;
      for(int kkk=int(bar-Length+1); kkk<=bar; kkk++) mov+=PriceSeries(IPC,kkk,open,low,high,close)*Vol[bar-kkk];
      //----       
      ExtLineBuffer[bar]=mov+dPriceShift; 
     }
//---- ïåðåñ÷¸ò ñòàðòîâîãî íîìåðà first äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0) // ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
      first++;

//---- Îñíîâíîé öèêë ðàñêðàñêè ñèãíàëüíîé ëèíèè
   for(bar=first; bar<rates_total && !IsStopped(); bar++)
     {
      int clr=1;
      if(ExtLineBuffer[bar-1]<ExtLineBuffer[bar]) clr=2;
      if(ExtLineBuffer[bar-1]>ExtLineBuffer[bar]) clr=0;
      ColorExtLineBuffer[bar]=clr;
     }

//---- ïåðåñ÷¸ò ñòàðòîâîãî íîìåðà first äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0) // ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
      first=min_rates_total;
//---- îñíîâíîé öèêë ðàñ÷¸òà èíäèêàòîðà ñòàíäàðòíûõ îòêëîíåíèé
   for(bar=first; bar<rates_total && !IsStopped(); bar++)
     {
      //---- çàãðóæàåì ïðèðàùåíèÿ èíäèêàòîðà â ìàññèâ äëÿ ïðîìåæóòî÷íûõ âû÷èñëåíèé
      for(int iii=0; iii<int(std_period); iii++) dVwma[iii]=ExtLineBuffer[bar-iii]-ExtLineBuffer[bar-iii-1];

      //---- íàõîäèì ïðîñòîå ñðåäíåå ïðèðàùåíèé èíäèêàòîðà
      Sum=0.0;
      for(int iii=0; iii<int(std_period); iii++) Sum+=dVwma[iii];
      SMAdif=Sum/std_period;

      //---- íàõîäèì ñóììó êâàäðàòîâ ðàçíîñòåé ïðèðàùåíèé è ñðåäíåãî
      Sum=0.0;
      for(int iii=0; iii<int(std_period); iii++) Sum+=MathPow(dVwma[iii]-SMAdif,2);

      //---- îïðåäåëÿåì èòîãîâîå çíà÷åíèå ñðåäíåêâàäðàòè÷íîãî îòêëîíåíèÿ StDev îò ïðèðàùåíèÿ èíäèêàòîðà
      StDev=MathSqrt(Sum/std_period);

      //---- èíèöèàëèçàöèÿ ïåðåìåííûõ
      dstd=NormalizeDouble(dVwma[0],_Digits+2);
      Filter1=NormalizeDouble(dK1*StDev,_Digits+2);
      Filter2=NormalizeDouble(dK2*StDev,_Digits+2);
      BEARS1=EMPTY_VALUE;
      BULLS1=EMPTY_VALUE;
      BEARS2=EMPTY_VALUE;
      BULLS2=EMPTY_VALUE;
      vwma=ExtLineBuffer[bar];

      //---- âû÷èñëåíèå èíäèêàòîðíûõ çíà÷åíèé
      if(dstd<-Filter1 && dstd>=-Filter2) BEARS1=vwma; //åñòü íèñõîäÿùèé òðåíä
      if(dstd<-Filter2) BEARS2=vwma; //åñòü íèñõîäÿùèé òðåíä
      if(dstd>+Filter1 && dstd<=+Filter2) BULLS1=vwma; //åñòü âîñõîäÿùèé òðåíä
      if(dstd>+Filter2) BULLS2=vwma; //åñòü âîñõîäÿùèé òðåíä

      //---- èíèöèàëèçàöèÿ ÿ÷ååê èíäèêàòîðíûõ áóôåðîâ ïîëó÷åííûìè çíà÷åíèÿìè 
      BullsBuffer1[bar]=BULLS1;
      BearsBuffer1[bar]=BEARS1;
      BullsBuffer2[bar]=BULLS2;
      BearsBuffer2[bar]=BEARS2;
     }
//----          
   return(rates_total);
  }
//+------------------------------------------------------------------+   
//| Ïîëó÷åíèå çíà÷åíèÿ öåíîâîé òàéìñåðèè                             |
//+------------------------------------------------------------------+ 
double PriceSeries
(
 uint applied_price,// Öåíîâàÿ êîíñòàíòà
 uint   bar,// Èíäåêñ ñäâèãà îòíîñèòåëüíî òåêóùåãî áàðà íà óêàçàííîå êîëè÷åñòâî ïåðèîäîâ íàçàä èëè âïåð¸ä).
 const double &Open[],
 const double &Low[],
 const double &High[],
 const double &Close[]
 )
//PriceSeries(applied_price, bar, open, low, high, close)
//+ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -+
  {
//----
   switch(applied_price)
     {
      //---- Öåíîâûå êîíñòàíòû èç ïåðå÷èñëåíèÿ ENUM_APPLIED_PRICE
      case  PRICE_CLOSE: return(Close[bar]);
      case  PRICE_OPEN: return(Open [bar]);
      case  PRICE_HIGH: return(High [bar]);
      case  PRICE_LOW: return(Low[bar]);
      case  PRICE_MEDIAN: return((High[bar]+Low[bar])/2.0);
      case  PRICE_TYPICAL: return((Close[bar]+High[bar]+Low[bar])/3.0);
      case  PRICE_WEIGHTED: return((2*Close[bar]+High[bar]+Low[bar])/4.0);

      //----                            
      case  8: return((Open[bar] + Close[bar])/2.0);
      case  9: return((Open[bar] + Close[bar] + High[bar] + Low[bar])/4.0);
      //----                                
      case 10:
        {
         if(Close[bar]>Open[bar])return(High[bar]);
         else
           {
            if(Close[bar]<Open[bar])
               return(Low[bar]);
            else return(Close[bar]);
           }
        }
      //----         
      case 11:
        {
         if(Close[bar]>Open[bar])return((High[bar]+Close[bar])/2.0);
         else
           {
            if(Close[bar]<Open[bar])
               return((Low[bar]+Close[bar])/2.0);
            else return(Close[bar]);
           }
         break;
        }
      //----         
      case 12:
        {
         double res=High[bar]+Low[bar]+Close[bar];
         if(Close[bar]<Open[bar]) res=(res+Low[bar])/2;
         if(Close[bar]>Open[bar]) res=(res+High[bar])/2;
         if(Close[bar]==Open[bar]) res=(res+Close[bar])/2;
         return(((res-Low[bar])+(res-High[bar]))/2);
        }
      //----
      default: return(Close[bar]);
     }
//----
//return(0);
  }
//+------------------------------------------------------------------+