//+------------------------------------------------------------------+ //| ADX_Difference.mq5 | //| Copyright 2018, MetaQuotes Software Corp. | //| https://mql5.com | //+------------------------------------------------------------------+ #property copyright "Copyright 2018, MetaQuotes Software Corp." #property link "https://mql5.com" #property version "1.00" #property description "ADX Difference indicator" #property indicator_separate_window #property indicator_buffers 3 #property indicator_plots 1 //--- plot ADXD #property indicator_label1 "Difference" #property indicator_type1 DRAW_COLOR_HISTOGRAM #property indicator_color1 clrGreen,clrRed #property indicator_style1 STYLE_SOLID #property indicator_width1 2 //--- input parameters input uint InpPeriod = 14; // ADX Period input uint InpDifference = 1; // Difference input ENUM_APPLIED_PRICE InpAppliedPrice = PRICE_CLOSE; // Applied price //--- indicator buffers double BufferADXD[]; double BufferColors[]; double BufferADX[]; //--- global variables int period; int difference; int handle_adx; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period=int(InpPeriod<1 ? 1 : InpPeriod); difference=int(InpDifference<1 ? 1 : InpDifference); //--- indicator buffers mapping SetIndexBuffer(0,BufferADXD,INDICATOR_DATA); SetIndexBuffer(1,BufferColors,INDICATOR_COLOR_INDEX); SetIndexBuffer(2,BufferADX,INDICATOR_CALCULATIONS); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"ADX Difference ("+(string)period+","+(string)difference+")"); IndicatorSetInteger(INDICATOR_DIGITS,Digits()); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferADXD,true); ArraySetAsSeries(BufferColors,true); ArraySetAsSeries(BufferADX,true); //--- create MA's handles ResetLastError(); handle_adx=iADX(NULL,PERIOD_CURRENT,period); if(handle_adx==INVALID_HANDLE) { Print("The iADX(",(string)period,") object was not created: Error ",GetLastError()); return INIT_FAILED; } //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, 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[]) { //--- Проверка и расчёт количества просчитываемых баров if(rates_total<4) return 0; //--- Проверка и расчёт количества просчитываемых баров int limit=rates_total-prev_calculated; if(limit>1) { limit=rates_total-difference-1; ArrayInitialize(BufferADXD,EMPTY_VALUE); ArrayInitialize(BufferADX,0); } //--- Подготовка данных int count=(limit>1 ? rates_total : 1),copied=0; copied=CopyBuffer(handle_adx,MAIN_LINE,0,count,BufferADX); if(copied!=count) return 0; //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) { BufferADXD[i]=BufferADX[i]-BufferADX[i+difference]; BufferColors[i]=(BufferADXD[i]>BufferADXD[i+1] ? 1 : 0); } //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+