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EVWMA.mq4

Time: 2010-05-22 | Download file:EVWMA.mq4

//+------------------------------------------------------------------+
//|                                                            EVWMA |
//|                               Copyright © 2004, Poul_Trade_Forum |
//|                                                         Aborigen |
//|                                          http://forex.kbpauk.ru/ |
//+------------------------------------------------------------------+
#property copyright "Poul Trade Forum"
#property link      "http://forex.kbpauk.ru/"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 DeepPink



extern int VolumeDivisor=1;
extern int N=100;

double  ScaledVol=0, VolDiff=0;
double X[100], Y[100];
bool Violation=false;

//---- buffers
double EVWMA[];


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- indicator line
   SetIndexStyle(0,DRAW_LINE,EMPTY,2,DeepPink);
   SetIndexBuffer(0,EVWMA);
   SetIndexEmptyValue(0,0);
//---- name for DataWindow and indicator subwindow label
   short_name="EVWMA";
   IndicatorShortName(short_name);
   SetIndexLabel(0,short_name);
//----
   SetIndexDrawBegin(0,1);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {    return(0);   }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int    counted_bars=IndicatorCounted(),i,shift,count;

if (counted_bars==0) {EVWMA[Bars] = Close[Bars]; counted_bars=1;}

i=(Bars-counted_bars);

for (shift=i; shift>=0;shift--)
{
ScaledVol = Volume[shift]/VolumeDivisor;
 VolDiff = N - ScaledVol;
 if ( VolDiff<0 && Violation==false)  Violation = true;
 if (Violation==true)  EVWMA[shift]=EVWMA[shift+1]; 
 else EVWMA[shift] = (VolDiff * EVWMA[shift+1] + ScaledVol * Close[shift]) / N ;
Violation=false;


//----

}

   return(0);
  }
//+------------------------------------------------------------------+

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