//+------------------------------------------------------------------+ //| Normalized_Moving_Average_Slope.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 "Normalized Moving Average Slope" #property indicator_separate_window #property indicator_buffers 3 #property indicator_plots 1 //--- plot NMAS #property indicator_label1 "NMAS" #property indicator_type1 DRAW_LINE #property indicator_color1 clrForestGreen #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- input parameters input uint InpPeriodMA = 14; // MA period input uint InpPeriodATR = 14; // ATR period input ENUM_MA_METHOD InpMethod = MODE_SMA; // Method input ENUM_APPLIED_PRICE InpAppliedPrice = PRICE_CLOSE; // Applied price //--- indicator buffers double BufferNMAS[]; double BufferATR[]; double BufferMA[]; //--- global variables int period_ma; int period_atr; int handle_ma; int handle_atr; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period_ma=int(InpPeriodMA<1 ? 1 : InpPeriodMA); period_atr=int(InpPeriodATR<1 ? 1 : InpPeriodATR); //--- indicator buffers mapping SetIndexBuffer(0,BufferNMAS,INDICATOR_DATA); SetIndexBuffer(1,BufferATR,INDICATOR_CALCULATIONS); SetIndexBuffer(2,BufferMA,INDICATOR_CALCULATIONS); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"Normalized MA Slope ("+(string)period_ma+","+(string)period_atr+")"); IndicatorSetInteger(INDICATOR_DIGITS,Digits()); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferNMAS,true); ArraySetAsSeries(BufferATR,true); ArraySetAsSeries(BufferMA,true); //--- create handles ResetLastError(); handle_ma=iMA(NULL,PERIOD_CURRENT,period_ma,0,InpMethod,InpAppliedPrice); if(handle_ma==INVALID_HANDLE) { Print("The iMA(",(string)period_ma,") object was not created: Error ",GetLastError()); return INIT_FAILED; } handle_atr=iATR(NULL,PERIOD_CURRENT,period_atr); if(handle_atr==INVALID_HANDLE) { Print("The iATR(",(string)period_atr,") 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-2; ArrayInitialize(BufferNMAS,EMPTY_VALUE); ArrayInitialize(BufferATR,0); ArrayInitialize(BufferMA,0); } //--- Подготовка данных int count=(limit>1 ? rates_total : 1),copied=0; copied=CopyBuffer(handle_ma,0,0,count,BufferMA); if(copied!=count) return 0; copied=CopyBuffer(handle_atr,0,0,count,BufferATR); if(copied!=count) return 0; //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) BufferNMAS[i]=(BufferATR[i]!=0 ? 100.0*(BufferMA[i]-BufferMA[i+1])/BufferATR[i] : 0); //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+