colorstddev_v1

//+------------------------------------------------------------------+ 
//|                                                  ColorStdDev.mq5 | 
//|                               Copyright © 2010, Nikolay Kositsin | 
//|                              Khabarovsk,   farria@mail.redcom.ru | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright © 2010, Nikolay Kositsin"
#property link "farria@mail.redcom.ru" 
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.01"
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window 
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ 2
#property indicator_buffers 2 
//---- èñïîëüçîâàíî âñåãî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//+-----------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà    |
//+-----------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå ãèñòîãðàììû
#property indicator_type1 DRAW_COLOR_HISTOGRAM
//---- â êà÷åñòâå öâåòîâ äèàãðàììû èíäèêàòîðà èñïîëüçîâàíû
#property indicator_color1 clrGray,clrBlue,clrRed,clrMagenta
//---- ëèíèÿ èíäèêàòîðà - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1 STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 2
#property indicator_width1 2
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1 "StdDev"
//+-----------------------------------+
//| Îáúÿâëåíèå êîíñòàíò               |
//+-----------------------------------+
#define RESET 0 // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+-----------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà      |
//+-----------------------------------+
input uint period = 12;                               // Ïåðèîä óñðåäíåíèÿ
input ENUM_MA_METHOD MA_Method=MODE_EMA;              // Ìåòîä óñðåäíåíèÿ ãèñòîãðàììû
input ENUM_APPLIED_PRICE  applied_price=PRICE_CLOSE;  // Öåíîâàÿ êîíñòàíòà
input uint MaxTrendLevel=100;                         // Óðîâåíü ìàêñèìàëüíîãî òðåíäà
input uint MiddLeTrendLevel=40;                       // Óðîâåíü óìåðåííîãî òðåíäà
input uint FlatLevel=10;                              // Óðîâåíü ôëåòà
//+-----------------------------------+
//---- èíäèêàòîðíûe áóôåðû
double StdDevBuffer[],ColorBuffer[];
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int StdDev_Handle;
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+    
//| StdDev indicator initialization function                         | 
//+------------------------------------------------------------------+  
void OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=int(period);
//---- ïîëó÷åíèå õåíäëà èíäèêàòîðà RSI
   StdDev_Handle=iStdDev(NULL,0,period,0,MA_Method,applied_price);
   if(StdDev_Handle==INVALID_HANDLE) Print(" Íå óäàëîñü ïîëó÷èòü õåíäë èíäèêàòîðà StdDev");
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà StdDevBuffer â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,StdDevBuffer,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 áóôåðàõ êàê â òàéìñåðèÿõ   
   ArraySetAsSeries(StdDevBuffer,true);
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â öâåòîâîé, èíäåêñíûé áóôåð   
   SetIndexBuffer(1,ColorBuffer,INDICATOR_COLOR_INDEX);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå êàê â òàéìñåðèè
   ArraySetAsSeries(ColorBuffer,true);
//---- èíèöèàëèçàöèÿ ïåðåìåííîé äëÿ êîðîòêîãî èìåíè èíäèêàòîðà
   string shortname;
   StringConcatenate(shortname,"ColorStdDev( ",period," )");
//--- 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,0);
//---- êîëè÷åñòâî  ãîðèçîíòàëüíûõ óðîâíåé èíäèêàòîðà 3   
   IndicatorSetInteger(INDICATOR_LEVELS,3);
//---- çíà÷åíèÿ ãîðèçîíòàëüíûõ óðîâíåé èíäèêàòîðà   
   IndicatorSetDouble(INDICATOR_LEVELVALUE,0,MaxTrendLevel);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,1,MiddLeTrendLevel);
   IndicatorSetDouble(INDICATOR_LEVELVALUE,2,FlatLevel);
//---- â êà÷åñòâå öâåòîâ ëèíèé ãîðèçîíòàëüíûõ óðîâíåé èñïîëüçîâàíû ñåðûé è ðîçîâûé öâåòà  
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,0,Magenta);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,1,Blue);
   IndicatorSetInteger(INDICATOR_LEVELCOLOR,2,Gray);
//---- â ëèíèè ãîðèçîíòàëüíîãî óðîâíÿ èñïîëüçîâàí êîðîòêèé øòðèõ-ïóíêòèð  
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,0,STYLE_DASHDOTDOT);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,1,STYLE_DASHDOTDOT);
   IndicatorSetInteger(INDICATOR_LEVELSTYLE,2,STYLE_DASHDOTDOT);
//---- çàâåðøåíèå èíèöèàëèçàöèè
  }
//+------------------------------------------------------------------+  
//| StdDev 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(StdDev_Handle)<rates_total || rates_total<min_rates_total) return(RESET);
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ
   int limit,to_copy,bar;
//---- ðàñ÷åò ñòàðòîâîãî íîìåðà first äëÿ öèêëà ïåðåñ÷åòà áàðîâ
   if(prev_calculated>rates_total || prev_calculated<=0) // ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷åòà èíäèêàòîðà
      limit=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;
//---- êîïèðóåì âíîâü ïîÿâèâøèåñÿ äàííûå â ìàññèâ
   if(CopyBuffer(StdDev_Handle,0,0,to_copy,StdDevBuffer)<=0) return(RESET);
//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      StdDevBuffer[bar]/=_Point;
      ColorBuffer[bar]=0;
      if(StdDevBuffer[bar]>MaxTrendLevel) ColorBuffer[bar]=3;
      else if(StdDevBuffer[bar]>MiddLeTrendLevel) ColorBuffer[bar]=2;
      else if(StdDevBuffer[bar]>FlatLevel) ColorBuffer[bar]=1;
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+