emv_v1

//+---------------------------------------------------------------------+
//|                                                             EMV.mq5 |
//|                                  Copyright © 2011, Nikolay Kositsin | 
//|                                 Khabarovsk,   farria@mail.redcom.ru | 
//+---------------------------------------------------------------------+
//| Äëÿ ðàáîòû  èíäèêàòîðà  ñëåäóåò  ïîëîæèòü ôàéë SmoothAlgorithms.mqh |
//| â ïàïêó (äèðåêòîðèþ): terminal_data_folder\MQL5\Include             |
//+---------------------------------------------------------------------+
//---- àâòîðñòâî èíäèêàòîðà
#property copyright "Copyright © 2011, Nikolay Kositsin"
//---- ññûëêà íà ñàéò àâòîðà
#property link "farria@mail.redcom.ru"
#property description "Ease of Movement Value"
//---- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.10"
//---- îòðèñîâêà èíäèêàòîðà â îòäåëüíîì îêíå
#property indicator_separate_window
//---- äëÿ ðàñ÷åòà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàí îäèí áóôåð
#property indicator_buffers 1
//---- èñïîëüçîâàíî îäíî ãðàôè÷åñêîå ïîñòðîåíèå
#property indicator_plots   1
//+----------------------------------------------+
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà               |
//+----------------------------------------------+
//---- îòðèñîâêà èíäèêàòîðà 1 â âèäå ëèíèè
#property indicator_type1   DRAW_LINE
//---- â êà÷åñòâå öâåòà ëèíèè èíäèêàòîðà èñïîëüçîâàí ñåðî-ãîëóáîé öâåò
#property indicator_color1  clrMediumSlateBlue
//---- ëèíèÿ èíäèêàòîðà 1 - íåïðåðûâíàÿ êðèâàÿ
#property indicator_style1  STYLE_SOLID
//---- òîëùèíà ëèíèè èíäèêàòîðà 1 ðàâíà 1
#property indicator_width1  1
//---- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "Ease of Movement Value"
//+----------------------------------------------+
//| Îïèñàíèå êëàññà CXMA                         |
//+----------------------------------------------+
#include <SmoothAlgorithms.mqh> 
//---- îáúÿâëåíèå ïåðåìåííûõ êëàññà CXMA èç ôàéëà SmoothAlgorithms.mqh
CXMA XMA1;
//+----------------------------------------------+
//| 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_SIMPLE_,        // Simple Price (OC/2)
   PRICE_QUARTER_,       // Quarted Price (HLOC/4) 
   PRICE_TRENDFOLLOW0_,  // TrendFollow_1 Price 
   PRICE_TRENDFOLLOW1_,  // TrendFollow_2 Price 
   PRICE_DEMARK_         // Demark Price 
  };
//+----------------------------------------------+
/*enum Smooth_Method - ïåðå÷èñëåíèå îáúÿâëåíî â ôàéëå SmoothAlgorithms.mqh
  {
   MODE_SMA_,  // SMA
   MODE_EMA_,  // EMA
   MODE_SMMA_, // SMMA
   MODE_LWMA_, // LWMA
   MODE_JJMA,  // JJMA
   MODE_JurX,  // JurX
   MODE_ParMA, // ParMA
   MODE_T3,    // T3
   MODE_VIDYA, // VIDYA
   MODE_AMA,   // AMA
  }; */
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+
input Smooth_Method MA_SMethod=MODE_SMA;           // Ìåòîä óñðåäíåíèÿ
input int SmLength=14;                             // Ãëóáèíà ñãëàæèâàíèÿ                    
input int SmPhase=15;                              // Ïàðàìåòð ñãëàæèâàíèÿ
input Applied_price_ IPC=PRICE_QUARTER_;           // Öåíîâàÿ êîíñòàíòà
input ENUM_APPLIED_VOLUME VolumeType=VOLUME_TICK;  // Îáúåì
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 EMVBuffer[];
//---- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int StartBars;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+  
void OnInit()
  {
//---- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
   StartBars=XMA1.GetStartBars(MA_SMethod,SmLength,SmPhase)+1;
//---- óñòàíîâêà àëåðòîâ íà íåäîïóñòèìûå çíà÷åíèÿ âíåøíèõ ïåðåìåííûõ
   XMA1.XMALengthCheck("Length", SmLength);
   XMA1.XMAPhaseCheck("Phase", SmPhase, MA_SMethod);
//---- èíèöèàëèçàöèÿ ñäâèãà ïî âåðòèêàëè
//---- ïðåâðàùåíèå äèíàìè÷åñêîãî ìàññèâà EMVBuffer[] â èíäèêàòîðíûé áóôåð
   SetIndexBuffer(0,EMVBuffer,INDICATOR_DATA);
//---- îñóùåñòâëåíèå ñäâèãà èíäèêàòîðà 1 ïî ãîðèçîíòàëè íà Shift
   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);
//---- îñóùåñòâëåíèå ñäâèãà íà÷àëà îòñ÷åòà îòðèñîâêè èíäèêàòîðà 1 íà StartBars
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,StartBars);
//---- óñòàíîâêà çíà÷åíèé èíäèêàòîðà, êîòîðûå íå áóäóò âèäèìû íà ãðàôèêå
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE);
//---- ñîçäàíèå èìåíè äëÿ îòîáðàæåíèÿ â îòäåëüíîì ïîäîêíå è âî âñïëûâàþùåé ïîäñêàçêå
   IndicatorSetString(INDICATOR_SHORTNAME,"Ease of Movement Value");
//---- îïðåäåëåíèå òî÷íîñòè îòîáðàæåíèÿ çíà÷åíèé èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
  }
//+------------------------------------------------------------------+
//| 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[],     // öåíîâîé ìàññèâ ìàêñèìóìîâ öåíû äëÿ ðàñ÷åòà èíäèêàòîðà
                const double& low[],      // öåíîâîé ìàññèâ ìèíèìóìîâ öåíû  äëÿ ðàñ÷åòà èíäèêàòîðà
                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<StartBars) return(0);
//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int first,bar;
   double price0,price1,EMV;
   long Volume;
//---- 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
     {
      first=1;                                           // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà âñåõ áàðîâ
     }
//----
   else first=prev_calculated-1;                         // ñòàðòîâûé íîìåð äëÿ ðàñ÷åòà íîâûõ áàðîâ
//---- îñíîâíîé öèêë ðàñ÷åòà èíäèêàòîðà
   for(bar=first; bar<rates_total; bar++)
     {
      //---- âûçîâ ôóíêöèè PriceSeries äëÿ ïîëó÷åíèÿ âõîäíîé öåíû price_
      price0=PriceSeries(IPC,bar,  open,low,high,close);
      price1=PriceSeries(IPC,bar-1,open,low,high,close);
      //----
      if(VolumeType==VOLUME_TICK) Volume=long(tick_volume[bar]);
      else                        Volume=long(volume[bar]);
      //----
      if(Volume!=0) EMV=(price0-price1)*price0/(2*Volume);
      else          EMV=0;
      //----
      EMVBuffer[bar]=XMA1.XMASeries(1,prev_calculated,rates_total,MA_SMethod,SmPhase,SmLength,EMV,bar,false);
     }
//----     
   return(rates_total);
  }
//+------------------------------------------------------------------+