//+------------------------------------------------------------------+ //| Mogalef.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 "Mogalef Bands indicator" #property indicator_chart_window #property indicator_buffers 5 #property indicator_plots 3 //--- plot Top #property indicator_label1 "Top" #property indicator_type1 DRAW_LINE #property indicator_color1 clrGreen #property indicator_style1 STYLE_SOLID #property indicator_width1 1 //--- plot Central #property indicator_label2 "Central" #property indicator_type2 DRAW_LINE #property indicator_color2 clrRed #property indicator_style2 STYLE_SOLID #property indicator_width2 1 //--- plot Bottom #property indicator_label3 "Bottom" #property indicator_type3 DRAW_LINE #property indicator_color3 clrBlue #property indicator_style3 STYLE_SOLID #property indicator_width3 1 //--- input parameters input uint InpPeriodLG = 3; // Linear regression period input uint InpPeriodDev = 7; // Standard deviation period input double InpMultiplier = 2.0; // Multiplier //--- indicator buffers double BufferTop[]; double BufferCentral[]; double BufferBottom[]; double BufferPrice[]; double BufferDev[]; //--- global variables double multiplier; int period_lg; int period_dv; int period_max; int handle_dev; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- set global variables period_lg=int(InpPeriodLG<2 ? 2 : InpPeriodLG); period_dv=int(InpPeriodDev<1 ? 1 : InpPeriodDev); period_max=fmax(period_dv,period_lg); multiplier=InpMultiplier; //--- indicator buffers mapping SetIndexBuffer(0,BufferTop,INDICATOR_DATA); SetIndexBuffer(1,BufferCentral,INDICATOR_DATA); SetIndexBuffer(2,BufferBottom,INDICATOR_DATA); SetIndexBuffer(3,BufferPrice,INDICATOR_CALCULATIONS); SetIndexBuffer(4,BufferDev,INDICATOR_CALCULATIONS); //--- setting indicator parameters IndicatorSetString(INDICATOR_SHORTNAME,"Mogalef Bands ("+(string)period_lg+","+(string)period_dv+","+DoubleToString(multiplier,1)+")"); IndicatorSetInteger(INDICATOR_DIGITS,Digits()); //--- setting plot buffer parameters PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0); PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0); PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0); PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,period_max+period_lg+1); PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,period_max+period_lg+1); PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,period_max+period_lg+1); //--- setting buffer arrays as timeseries ArraySetAsSeries(BufferTop,true); ArraySetAsSeries(BufferCentral,true); ArraySetAsSeries(BufferBottom,true); ArraySetAsSeries(BufferPrice,true); ArraySetAsSeries(BufferDev,true); //--- create MA's handles ResetLastError(); handle_dev=iStdDev(NULL,PERIOD_CURRENT,period_dv,0,MODE_SMA,PRICE_CLOSE); if(handle_dev==INVALID_HANDLE) { Print("The iStdDev(",(string)period_dv,") 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[]) { //--- 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_max-2; ArrayInitialize(BufferTop,0); ArrayInitialize(BufferCentral,0); ArrayInitialize(BufferBottom,0); ArrayInitialize(BufferPrice,0); ArrayInitialize(BufferDev,0); } //--- Подготовка данных int count=(limit>1 ? rates_total : 1),copied=0; copied=CopyBuffer(handle_dev,0,0,count,BufferDev); if(copied!=count) return 0; //--- Расчёт индикатора for(int i=limit; i>=0 && !IsStopped(); i--) { BufferPrice[i]=(2.0*close[i]+open[i]+low[i]+high[i])/5.0; double x=0,y=0,xy=0,x2=0; for(int j=0; jBufferBottom[i+1]) { BufferTop[i]=BufferTop[i+1]; BufferCentral[i]=BufferCentral[i+1]; BufferBottom[i]=BufferBottom[i+1]; } } //--- return value of prev_calculated for next call return(rates_total); } //+------------------------------------------------------------------+