//+------------------------------------------------------------------+ //| XMA_Range_Bands.mq4 | //| Copyright © 2009, Daniel V. Bugaev | //| e-mail: buga1922@mail.ru | //+------------------------------------------------------------------+ //| For the indicator to work, place the SmoothAlgorithms.mqh | //| in the directory: MetaTrader\\MQL5\Include | //+------------------------------------------------------------------+ #property copyright "Copyright © 2009, Daniel V. Bugaev" #property link "mailto:buga1922@mail.ru" #property description "XMA Range Bands" //--- indicator version number #property version "1.00" //--- drawing the indicator in the main window #property indicator_chart_window //--- number of indicator buffers 3 #property indicator_buffers 3 //--- 3 graphical plots are used #property indicator_plots 3 //+-----------------------------------+ //| Indicator drawing parameters | //+-----------------------------------+ //--- drawing the indicator as a line #property indicator_type1 DRAW_LINE //--- SlateBlue color is used for indicator line #property indicator_color1 clrSlateBlue //--- the indicator line is a continuous curve #property indicator_style1 STYLE_SOLID //--- indicator line width is equal to 1 #property indicator_width1 1 //--- displaying the indicator label #property indicator_label1 "XMA Range Bands" //+--------------------------------------------+ //| Levels indicator drawing parameters | //+--------------------------------------------+ //--- drawing the levels as lines #property indicator_type2 DRAW_LINE #property indicator_type3 DRAW_LINE //--- selection of levels colors #property indicator_color2 clrLimeGreen #property indicator_color3 clrDeepPink //--- levels are continuous curves #property indicator_style2 STYLE_SOLID #property indicator_style3 STYLE_SOLID //--- levels width is equal to 1 #property indicator_width2 1 #property indicator_width3 1 //--- display levels labels #property indicator_label2 "Upper XMA Range Bands" #property indicator_label3 "Lower XMA Range Bands" //+-----------------------------------+ //| Averaging classes description | //+-----------------------------------+ #include //+-----------------------------------+ //--- declaration of the CXMA classes variables from the SmoothAlgorithms.mqh file CXMA XMA1,XMA2; //+-----------------------------------+ //| Declaration of enumerations | //+-----------------------------------+ enum Applied_price_ //Price type { PRICE_CLOSE_ = 1, //Close PRICE_OPEN_, //Open PRICE_HIGH_, //High PRICE_LOW_, //Low PRICE_MEDIAN_, //Median Price (HL/2) PRICE_TYPICAL_, //Typical Price (HLC/3) PRICE_WEIGHTED_, //Weighted Close (HLCC/4) PRICE_SIMPL_, //Simpl Price (OC/2) PRICE_QUARTER_, //Quarted Price (HLOC/4) PRICE_TRENDFOLLOW0_, //TrendFollow_1 Price PRICE_TRENDFOLLOW1_ //TrendFollow_2 Price }; //+-----------------------------------+ //| Indicator input parameters | //+-----------------------------------+ input Smooth_Method MA_Method1=MODE_SMA; // Smoothing method of moving average input int Length1=100; // Smoothing depth of moving average input int Phase1=15; // Moving average smoothing parameter, //--- Phase1: for JJMA that can change withing the range -100 ... +100. It impacts the quality of the intermediate process of smoothing; //--- Phase1: for VIDIA, it is a CMO period, for AMA, it is a slow moving average period input Smooth_Method MA_Method2=MODE_JJMA; // Candles size smoothing method input int Length2=20; // Smoothing depth of candles size input int Phase2=100; // Candles size smoothing parameter //--- Phase2: for JJMA that can change withing the range -100 ... +100. It impacts the quality of the intermediate process of smoothing; //--- Phase2: for VIDIA, it is a CMO period, for AMA, it is a slow moving average period input double Deviation = 2.0; // Channel expansion ratio input Applied_price_ IPC=PRICE_CLOSE; // Price constant input int Shift=0; // Horizontal shift of the indicator in bars input int PriceShift=0; // Vertical shift of the indicator //+-----------------------------------+ //--- declaration of dynamic arrays that will further be //--- will be used as Bollinger Bands indicator buffers double ExtLineBuffer0[],ExtLineBuffer1[],ExtLineBuffer2[]; //--- declaration of the average vertical shift value variable double dPriceShift; //--- declaration of integer variables of data starting point int min_rates_total,min_rates_; //+------------------------------------------------------------------+ //| XMA_Range_Bands initialization function | //+------------------------------------------------------------------+ void OnInit() { //--- initialization of variables of the start of data calculation int min_rates_1=+XMA1.GetStartBars(MA_Method1, Length1, Phase1); int min_rates_2=XMA2.GetStartBars(MA_Method2, Length2, Phase2); min_rates_total=MathMax(min_rates_1,min_rates_2); //--- setting alerts for invalid values of external parameters XMA1.XMALengthCheck("Length1", Length1); XMA2.XMALengthCheck("Length2", Length2); //--- setting alerts for invalid values of external parameters XMA1.XMAPhaseCheck("Phase1", Phase1, MA_Method1); XMA2.XMAPhaseCheck("Phase2", Phase2, MA_Method2); //--- initialization of the vertical shift dPriceShift=_Point*PriceShift; //--- set dynamic array as an indicator buffer SetIndexBuffer(0,ExtLineBuffer0,INDICATOR_DATA); //--- moving the indicator 1 horizontally PlotIndexSetInteger(0,PLOT_SHIFT,Shift); //--- performing the shift of beginning of indicator drawing PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_); //--- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE); //--- setting dynamic arrays as indicator buffers SetIndexBuffer(1,ExtLineBuffer1,INDICATOR_DATA); SetIndexBuffer(2,ExtLineBuffer2,INDICATOR_DATA); //--- set the position, from which the Bollinger Bands drawing starts PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total); PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total); //--- restriction to draw empty values for the indicator PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE); PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE); //--- creation of the name to be displayed in a separate sub-window and in a pop up help IndicatorSetString(INDICATOR_SHORTNAME,"XMA Range Bands"); //--- determining the accuracy of displaying the indicator values IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1); //--- end of initialization } //+------------------------------------------------------------------+ //| XMA_Range_Bands iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, // amount of history in bars at the current tick const int prev_calculated,// amount of history in bars at the previous tick 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 calculation if(rates_totalrates_total || prev_calculated<=0) // checking for the first start of calculation of an indicator first=0; // starting number for calculation of all bars else first=prev_calculated-1; // starting number for calculation of new bars //--- main calculation loop of the indicator for(bar=first; bar