adxdon_onlyADX





//+------------------------------------------------------------------+
//|                                                       ADXdon.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net/"

#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Aqua
#property indicator_color2 LimeGreen
#property indicator_color3 Red
#property indicator_level1 20
#property indicator_level2 30
#property indicator_level3 50
#property indicator_level4 10
#property indicator_level5 12.5
#property indicator_maximum 60
#property indicator_minimum 5
//---- input parameters
 int ADXPeriod=14, DiPlusPeriod = 34, DiMinusPeriod=34;
//---- buffers
double ADXBuffer[];
double PlusDiBuffer[];
double MinusDiBuffer[];
double PlusSdiBuffer[];
double MinusSdiBuffer[];
double TRBuffer[];
double TempBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- 3 additional buffers are used for counting.
   IndicatorBuffers(7);
//---- indicator buffers
   SetIndexBuffer(0,ADXBuffer);
   SetIndexBuffer(1,PlusDiBuffer);
   SetIndexBuffer(2,MinusDiBuffer);
   SetIndexBuffer(3,PlusSdiBuffer);
   SetIndexBuffer(4,MinusSdiBuffer);
   SetIndexBuffer(5,TempBuffer);
   SetIndexBuffer(6, TRBuffer );
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("ADX("+ADXPeriod+", DI-: "+DiMinusPeriod+", DI+: "+DiPlusPeriod+")");
   SetIndexLabel(0,"ADX");
   SetIndexLabel(1,"+DI");
   SetIndexLabel(2,"-DI");
//----
   SetIndexDrawBegin(0,ADXPeriod);
   SetIndexDrawBegin(1,ADXPeriod);
   SetIndexDrawBegin(2,ADXPeriod);
//----
SetIndexStyle(0, DRAW_LINE,0,2);
SetIndexStyle(1, DRAW_NONE);
SetIndexStyle(2, DRAW_NONE);

   return(0);
  }
//+------------------------------------------------------------------+
//| Average Directional Movement Index                               |
//+------------------------------------------------------------------+
int start()
  {
   double pdm,mdm,tr;
   double price_high,price_low;
   int    starti,i,counted_bars=IndicatorCounted();
//----
   
    //int limit=Bars-2;
   int limit=Bars-counted_bars;
   if(counted_bars>0) limit++;
   i = limit;
   starti = i;
//----
   while(i>=0)
     {
      price_low=Low[i];
      price_high=High[i];
      //----
      pdm = 0.0;
      mdm = 0.0;
      if ( price_high > High[i+1] )
         pdm = price_high - High[i+1];
      if ( price_low < Low[i+1] )
         mdm = Low[i+1] - price_low;
      
      if ( pdm < mdm )
         pdm = 0.0;
      else if ( mdm < pdm )
         mdm = 0.0;
      //---- absolute true range
      double num1=MathAbs(price_high-price_low);
      double num2=MathAbs(price_high-Close[i+1]);
      double num3=MathAbs(price_low-Close[i+1]);
      tr=MathMax(num1,num2);
      tr=MathMax(tr,num3);
      
      //---- counting plus/minus direction
      PlusSdiBuffer[i]=pdm; 
      MinusSdiBuffer[i]=mdm;
      TRBuffer[i] = tr;
     //----
      i--;
     }
//---- apply EMA to +DI
   for(i=0; i<limit; i++) {
//----    apply EMA to TR
      TRBuffer[i]=iMAOnArray(TRBuffer,0,ADXPeriod,0,MODE_EMA,i);
      PlusDiBuffer[i] = PlusDiBuffer[i+1];
      MinusDiBuffer[i] = MinusDiBuffer[i+1];
      if ( TRBuffer[i] != 0 ) {
         PlusDiBuffer[i]=iMAOnArray(PlusSdiBuffer,Bars,DiPlusPeriod,0,MODE_EMA,i) / TRBuffer[i];
//----    apply EMA to -DI
         MinusDiBuffer[i]=iMAOnArray(MinusSdiBuffer,Bars,DiMinusPeriod,0,MODE_EMA,i) / TRBuffer[i];
      }     
   }
//---- Directional Movement (DX)
   i=Bars-2;
   //TempBuffer[i+1]=0;
   i=starti;
   while(i>=0)
     {
      double div=MathAbs(PlusDiBuffer[i]+MinusDiBuffer[i]);
      if(div==0.00) TempBuffer[i]=TempBuffer[i+1];
      else TempBuffer[i]=MathAbs(PlusDiBuffer[i]-MinusDiBuffer[i]) / div;
      i--;
     }
//---- ADX is exponential moving average on DX
   for(i=0; i<limit; i++) {
      ADXBuffer[i]=iMAOnArray(TempBuffer,0,ADXPeriod,0,MODE_EMA,i) * 100.0;
      PlusDiBuffer[i] = PlusDiBuffer[i] * 100.0;
      MinusDiBuffer[i] = MinusDiBuffer[i] * 100.0;
   }
//----
   return(0);
  }
//+------------------------------------------------------------------+



Sample





Analysis



Market Information Used:

Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains close prices for each bar


Indicator Curves created:


Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_NONE

Indicators Used:

Moving average indicator


Custom Indicators Used:

Order Management characteristics:

Other Features: