//+------------------------------------------------------------------+ //| MA_AC_Stochastic_Signal.mq5 | //| Copyright © 2011, Nikolay Kositsin | //| Khabarovsk, farria@mail.redcom.ru | //+------------------------------------------------------------------+ #property copyright "Copyright © 2011, Nikolay Kositsin" #property link "farria@mail.redcom.ru" //---- indicator version #property version "1.00" //---- drawing the indicator in a separate window #property indicator_separate_window //---- number of indicator buffers 4 #property indicator_buffers 4 //---- two plots are used #property indicator_plots 2 //+-----------------------------------+ //| Indicator drawing parameters | //+-----------------------------------+ //---- drawing the indicator as a colored cloud #property indicator_type1 DRAW_FILLING //---- the following colors are used for the indicator #property indicator_color1 Purple,Teal //---- displaying the indicator label #property indicator_label1 "MA Signal" //+-----------------------------------+ //| Indicator drawing parameters | //+-----------------------------------+ //---- drawing the indicator as a color histogram #property indicator_type2 DRAW_COLOR_HISTOGRAM //---- the following colors are used for the indicator #property indicator_color2 Gray,Red,Lime //---- displaying the indicator label #property indicator_label2 "AC Stochastic Signal" //---- indicator line width is equal to 5 #property indicator_width2 5 //+-----------------------------------+ //| Declaration of constants | //+-----------------------------------+ #define AC_DATA_LIMIT 37 // the constant for storing the minimum number of estimated bars for iAC #define RESET 0 // the constant for getting the command for the indicator recalculation back to the terminal //+-----------------------------------+ //| Indicator input parameters | //+-----------------------------------+ input int MA_Period=9; // MA period input ENUM_MA_METHOD MA_Method=MODE_SMA; // Smoothing method input ENUM_APPLIED_PRICE MA_Price=PRICE_CLOSE; // Prices calculation method input int STO_Period=5; // Stochastic period input int STO_Slowing=3; // Stochastic slowing input ENUM_MA_METHOD STO_Method=MODE_SMA; // Stochastic smoothing method input ENUM_STO_PRICE STO_Price=STO_LOWHIGH; // Stochastic prices calculation method //+-----------------------------------+ //---- declaration of integer variables for the indicators handles int MA_Handle,AC_Handle,STO_Handle; //---- declaration of the integer variables for the start of data calculation int min_rates_total; //---- declaration of dynamic arrays that //---- will be used as indicator buffers double ExtABuffer[]; double ExtBBuffer[]; double ExtCBuffer[]; double ExtColorCBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { //---- initialization of variables of the start of data calculation min_rates_total=int(MathMax(AC_DATA_LIMIT+1,MathMax(MA_Period,STO_Period+STO_Slowing))); //---- getting handle of the MA indicator MA_Handle=iMA(NULL,0,MA_Period,0,STO_Method,STO_Price); if(MA_Handle==INVALID_HANDLE) Print(" Failed to get handle of the MA indicator"); //---- getting handle of the Stochastic indicator STO_Handle=iStochastic(NULL,0,STO_Period,3,STO_Slowing,STO_Method,STO_Price); if(STO_Handle==INVALID_HANDLE) Print(" Failed to get handle of the Stochastic indicator"); //---- getting handle of the AC indicator AC_Handle=iAC(NULL,0); if(AC_Handle==INVALID_HANDLE) Print(" Failed to get handle of the AC indicator"); //---- set ExtABuffer[] dynamic array as an indicator buffer SetIndexBuffer(0,ExtABuffer,INDICATOR_DATA); //---- performing the shift of the beginning of the indicator drawing PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- indexing the elements in the buffer as timeseries ArraySetAsSeries(ExtABuffer,true); //---- set ExtBBuffer[] dynamic array as an indicator buffer SetIndexBuffer(1,ExtBBuffer,INDICATOR_DATA); //---- performing the shift of the beginning of the indicator drawing PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- indexing the elements in the buffer as timeseries ArraySetAsSeries(ExtBBuffer,true); //---- set ExtCBuffer[] dynamic array as an indicator buffer SetIndexBuffer(2,ExtCBuffer,INDICATOR_DATA); //---- performing the shift of the beginning of the indicator drawing PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- indexing the elements in the buffer as timeseries ArraySetAsSeries(ExtCBuffer,true); //---- set ExtColorCBuffer[] dynamic array as a color index buffer SetIndexBuffer(3,ExtColorCBuffer,INDICATOR_COLOR_INDEX); //---- performing the shift of the beginning of the indicator drawing PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in the buffer as timeseries ArraySetAsSeries(ExtColorCBuffer,true); //---- initializations of a variable for the indicator short name string shortname="MA AC Stochastic_Signal"; //---- creating a name for displaying in a separate sub-window and in a tooltip IndicatorSetString(INDICATOR_SHORTNAME,shortname); //---- determination of accuracy of displaying the indicator values IndicatorSetInteger(INDICATOR_DIGITS,1); //---- initialization end } //+------------------------------------------------------------------+ //| 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 datetime &Time[], const double &Open[], const double &High[], const double &Low[], const double &Close[], const long &Tick_Volume[], const long &Volume[], const int &Spread[]) { //---- checking the number of bars to be enough for the calculation if(BarsCalculated(MA_Handle)rates_total || prev_calculated<=0)// checking for the first start of the indicator calculation { limit=rates_total-min_rates_total-1; // starting index for calculation of all bars trend=0; } else limit=rates_total-prev_calculated; // starting index for calculation of new bars to_copy=limit+1; //---- copy newly appeared data in the arrays if(CopyBuffer(MA_Handle,0,0,to_copy,MA)<=0) return(RESET); if(CopyBuffer(STO_Handle,0,0,to_copy,STO)<=0) return(RESET); to_copy++; if(CopyBuffer(AC_Handle,0,0,to_copy,AC)<=0) return(RESET); //---- indexing elements in arrays as time series ArraySetAsSeries(MA,true); ArraySetAsSeries(STO,true); ArraySetAsSeries(AC,true); ArraySetAsSeries(Close,true); //---- main indicator calculation loop for(bar=limit; bar>=0 && !IsStopped(); bar--) { if(Close[bar] > MA[bar]){ExtBBuffer[bar]=+1; ExtABuffer[bar]=0;} if(Close[bar] <=MA[bar]){ExtBBuffer[bar]=-1; ExtABuffer[bar]=0;} ExtCBuffer[bar]=0; ExtColorCBuffer[bar]=0; if(AC[bar]>0 && AC[bar]>AC[bar+1] && STO[bar]>50 && trend!=+1) { ExtCBuffer[bar]=+1; ExtColorCBuffer[bar]=2; if(bar) trend=+1; } if(AC[bar]<0 && AC[bar]