//+------------------------------------------------------------------+ //| 2pbIdeal1MA.mq5 | //| Copyright © 2011, Nikolay Kositsin | //| Khabarovsk, farria@mail.redcom.ru | //+------------------------------------------------------------------+ //---- author of the indicator #property copyright "Copyright © 2011, Nikolay Kositsin" //---- link to the website of the author #property link "farria@mail.redcom.ru" //---- indicator version #property version "1.00" //---- drawing the indicator in the main window #property indicator_chart_window //---- one buffer is used for calculation and drawing of the indicator #property indicator_buffers 1 //---- only one plot is used #property indicator_plots 1 //---- drawing the indicator as a line #property indicator_type1 DRAW_LINE //---- blue color is used as the color of the indicator line #property indicator_color1 Blue //---- the indicator line is a continuous curve #property indicator_style1 STYLE_SOLID //---- indicator line width is equal to 2 #property indicator_width1 2 //---- displaying the indicator label #property indicator_label1 "2pbIdealMA" //---- indicator input parameters input int Period1 = 10; // Rough smoothing input int Period2 = 10; // Adjusting smoothing input int MAShift=0; // Horizontal shift of the average in bars //---- declaration of a dynamic array that //---- will be used as an indicator buffer double ExtLineBuffer[]; //---- declarations of variables for smoothing constants double w1,w2; //+------------------------------------------------------------------+ //| Smoothing from Neutron | //+------------------------------------------------------------------+ double GetIdealMASmooth(double W1_, // first smoothing constant double W2_, // second smoothing constant double Series1, // the value of the time series from the current bar double Series0, // the value of the time series from the previous bar double Resalt1 // the value of the average from the previous bar ) { //---- double Resalt0,dSeries,dSeries2; dSeries=Series0-Series1; dSeries2=dSeries*dSeries-1.0; Resalt0=(W1_ *(Series0-Resalt1)+ Resalt1+W2_*Resalt1*dSeries2) /(1.0+W2_*dSeries2); //---- return(Resalt0); } //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { //---- initializations of variables w1=1.0/Period1; w2=1.0/Period2; //---- set ExtLineBuffer dynamic array as indicator buffer SetIndexBuffer(0,ExtLineBuffer,INDICATOR_DATA); //---- horizontal shift of the indicator by MAShift PlotIndexSetInteger(0,PLOT_SHIFT,MAShift); //---- set the position, from which the indicator drawing starts PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,1); //---- initializations of variable for indicator short name string shortname; StringConcatenate(shortname,"2pbIdealMA(",w1,",",w2,")"); //---- create label to display in Data Window PlotIndexSetString(0,PLOT_LABEL,shortname); //---- creating a name for displaying in a separate sub-window and in a tooltip IndicatorSetString(INDICATOR_SHORTNAME,shortname); //---- determination of accuracy of displaying of the indicator values IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1); //---- restriction to draw empty values for the indicator PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0); //---- } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, // number of bars in history at the current tick const int prev_calculated, // number of bars calculated at previous call const int begin, // bars reliable counting beginning index const double &price[] // price array for calculation of the indicator ) { //---- checking the number of bars to be enough for the calculation if(rates_total<1+begin) return(0); //---- declarations of local variables int first,bar; //---- calculation of the 'first' starting index for the bars recalculation loop if(prev_calculated>rates_total || prev_calculated<=0) // checking for the first start of the indicator calculation { first=1+begin; // starting index for calculation of all bars //---- increase the position of the beginning of data by 'begin' bars as a result of calculation using data of another indicator if(begin>0) PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,begin+1); ExtLineBuffer[begin]=price[begin]; } else first=prev_calculated-1; // starting index for calculation of new bars //---- main indicator calculation loop for(bar=first; bar