fp_v1

//+------------------------------------------------------------------+
//|                                                           FP.mq5 | 
//|                                 Copyright © 2006, Nick A. Zhilin |
//|                                              rebus@dialup.etr.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Nick A. Zhilin"
#property link      "rebus@dialup.etr.ru"
#property description "FP channel"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//---- êîëè÷åñòâî èíäèêàòîðíûõ áóôåðîâ 3
#property indicator_buffers 3 
//---- èñïîëüçîâàíî âñåãî 3 ãðàôè÷åñêèõ ïîñòðîåíèé
#property indicator_plots   3
//+--------------------------------------------+ 
//| Îáúÿâëåíèå êîíñòàíò                        |
//+--------------------------------------------+
#define RESET 0  // êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷åò èíäèêàòîðà
//+--------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà             |
//+--------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà â âèäå ëèíèè
#property indicator_type1 DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí MediumBlue öâåò
#property indicator_color1 MediumBlue
//---- ëèíèÿ èíäèêàòîðà - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 2
#property indicator_width1  2
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "FP"
//+--------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè êàíàëà                 |
//+--------------------------------------------+
//---- îòðèñîâêà óðîâíåé â âèäå ëèíèé
#property indicator_type2   DRAW_LINE
#property indicator_type3   DRAW_LINE
//---- ââûáîð öâåòîâ óðîâíåé
#property indicator_color2  LightSeaGreen
#property indicator_color3  FireBrick
//---- óðîâíè - íåïðåðûâíûå êðèâûå
#property indicator_style2 STYLE_SOLID
#property indicator_style3 STYLE_SOLID
//---- òîëùèíà óðîâíåé ðàâíà 2
#property indicator_width2  2
#property indicator_width3  2
//---- îòîáðàæåíèå ìåòîê óðîâíåé 
#property indicator_label2  "+FP"
#property indicator_label3  "-FP"
//+-----------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà      |
//+-----------------------------------+
input uint IPeriod=100;  // Ïåðèîä èíäèêàòîðà
input int  Shift=0;      // Ñäâèã èíäèêàòîðà ïî ãîðèçîíòàëè â áàðàõ
//+-----------------------------------+
//---- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå áóäóò â 
//---- äàëüíåéøåì èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double FPBuffer[],UpFPBuffer[],DnFPBuffer[];
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+   
//| Custom indicator initialization function                         | 
//+------------------------------------------------------------------+ 
void OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   min_rates_total=int(IPeriod);
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,FPBuffer,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,0);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå, êàê â òàéìñåðèè
   ArraySetAsSeries(FPBuffer,true);
//---- ïðåâðàùåíèå äèíàìè÷åñêèõ ìàññèâîâ â èíäèêàòîðíûå áóôåðû
   SetIndexBuffer(1,UpFPBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,DnFPBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðîâ ïî ãîðèçîíòàëè
   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);
   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);
//---- óñòàíîâêà ïîçèöèè, ñ êîòîðîé íà÷èíàåòñÿ îòðèñîâêà èíäèêàòîðîâ
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);
   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);
//---- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE);
   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðå, êàê â òàéìñåðèè
   ArraySetAsSeries(UpFPBuffer,true);
   ArraySetAsSeries(DnFPBuffer,true);
//--- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,"FP channel");
//--- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1);
//---- çàâåðøåíèå èíèöèàëèçàöèè
  }
//+------------------------------------------------------------------+ 
//| Custom 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(RESET);
//---- îáúÿâëåíèå ëîêàëüíûõ ïåðåìåííûõ 
   int limit;
   double max,min,pivot,middle;
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ  
   ArraySetAsSeries(high,true);
   ArraySetAsSeries(low,true);
   ArraySetAsSeries(close,true);
//---- 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-min_rates_total-1; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
     }
   else limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(int bar=limit; bar>=0 && !IsStopped(); bar--)
     {      
      max=high[ArrayMaximum(high,bar,IPeriod)];
      min=low [ArrayMinimum(low, bar,IPeriod)];
      pivot=(close[bar+1]+close[bar+2]+close[bar+3])/3;
      middle=(max+min+pivot)/3;     
      FPBuffer[bar]=middle;
      middle*=3;
      UpFPBuffer[bar]=(middle-min)/2;
      DnFPBuffer[bar]=(middle-max)/2;
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+