//+------------------------------------------------------------------+ //| ADX.mq4 | //| Copyright 2004, 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 LightSeaGreen #property indicator_color2 YellowGreen #property indicator_color3 Wheat //---- input parameters extern int ADXPeriod=14; //---- buffers double ADXBuffer; double PlusDiBuffer; double MinusDiBuffer; double PlusSdiBuffer; double MinusSdiBuffer; double TempBuffer; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- 3 additional buffers are used for counting. IndicatorBuffers(6); //---- indicator buffers SetIndexBuffer(0,ADXBuffer); SetIndexBuffer(1,PlusDiBuffer); SetIndexBuffer(2,MinusDiBuffer); SetIndexBuffer(3,PlusSdiBuffer); SetIndexBuffer(4,MinusSdiBuffer); SetIndexBuffer(5,TempBuffer); //---- name for DataWindow and indicator subwindow label IndicatorShortName("ADX("+ADXPeriod+")"); SetIndexLabel(0,"ADX"); SetIndexLabel(1,"+DI"); SetIndexLabel(2,"-DI"); //---- SetIndexDrawBegin(0,ADXPeriod); SetIndexDrawBegin(1,ADXPeriod); SetIndexDrawBegin(2,ADXPeriod); //---- return(0); } //+------------------------------------------------------------------+ //| Average Directional Movement Index | //+------------------------------------------------------------------+ int start() { double pdm,mdm,tr; double price_high,price_low; int starti,i,counted_bars=IndicatorCounted(); //---- i=Bars-2; PlusSdiBuffer[i+1]=0; MinusSdiBuffer[i+1]=0; if(counted_bars>=i) i=Bars-counted_bars-1; starti=i; //---- while(i>=0) { price_low=Low; price_high=High; //---- pdm=price_high-High[i+1]; mdm=Low[i+1]-price_low; if(pdm<0) pdm=0; // +DM if(mdm<0) mdm=0; // -DM if(pdm==mdm) { pdm=0; mdm=0; } else if(pdm0) counted_bars--; int limit=Bars-counted_bars; //---- apply EMA to +DI for(i=0; i<=limit; i++) PlusDiBuffer=iMAOnArray(PlusSdiBuffer,Bars,ADXPeriod,0,MODE_EMA,i); //---- apply EMA to -DI for(i=0; i<=limit; i++) MinusDiBuffer=iMAOnArray(MinusSdiBuffer,Bars,ADXPeriod,0,MODE_EMA,i); //---- Directional Movement (DX) i=Bars-2; TempBuffer[i+1]=0; i=starti; while(i>=0) { double div=MathAbs(PlusDiBuffer+MinusDiBuffer); if(div==0.00) TempBuffer=0; else TempBuffer=100*(MathAbs(PlusDiBuffer-MinusDiBuffer)/div); i--; } //---- ADX is exponential moving average on DX for(i=0; iadx.lucki.jpg

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