//+------------------------------------------------------------------+ //| Candle_Amplitude.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 "Candle Amplitude oscillator" #property indicator_separate_window #property indicator_buffers 3 #property indicator_plots 2 //--- plot Main #property indicator_label1 "Amplitude" #property indicator_type1 DRAW_COLOR_LINE #property indicator_color1 clrGreen,clrRed,clrDarkGray #property indicator_style1 STYLE_SOLID #property indicator_width1 2 //--- plot Signal #property indicator_label2 "Signal" #property indicator_type2 DRAW_LINE #property indicator_color2 clrBlue #property indicator_style2 STYLE_SOLID #property indicator_width2 1 //--- enums enum ENUM_MODE { MODE_HL, // High/Low MODE_OC // Open/Close }; //--- input parameters input ENUM_MODE InpMode = MODE_HL; // Calculation mode input uint InpPeriodSm = 10; // Signal period //--- indicator buffers double BufferMain[]; double BufferColors[]; double BufferSignal[]; //--- global variables int period_sm; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period_sm=int(InpPeriodSm<1 ? 1 : InpPeriodSm); //--- indicator buffers mapping SetIndexBuffer(0,BufferMain,INDICATOR_DATA); SetIndexBuffer(1,BufferColors,INDICATOR_COLOR_INDEX); SetIndexBuffer(2,BufferSignal,INDICATOR_DATA); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"Candle Amplitude ("+"Mode "+ModeToString()+", period "+(string)period_sm+")"); IndicatorSetInteger(INDICATOR_DIGITS,0); //IndicatorSetDouble(INDICATOR_MINIMUM,0); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferMain,true); ArraySetAsSeries(BufferColors,true); ArraySetAsSeries(BufferSignal,true); //--- 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[]) { //--- Установка массивов буферов как таймсерий ArraySetAsSeries(open,true); ArraySetAsSeries(high,true); ArraySetAsSeries(low,true); ArraySetAsSeries(close,true); //--- Проверка и расчёт количества просчитываемых баров if(rates_total1) { limit=rates_total-period_sm-2; ArrayInitialize(BufferMain,EMPTY_VALUE); ArrayInitialize(BufferSignal,EMPTY_VALUE); } //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) { BufferMain[i]=(InpMode==MODE_HL ? high[i]-low[i] : close[i]-open[i])/Point(); double c0=(InpMode==MODE_HL ? high[i]-low[i] : fabs(close[i]-open[i])); double c1=(InpMode==MODE_HL ? high[i+1]-low[i+1] : fabs(close[i+1]-open[i+1])); BufferColors[i]=(c0>c1 ? 0 : c0=period-1); if(period<1 || !check_index) return 0; //--- calculate value for(int i=0; i