//+------------------------------------------------------------------+ //| TrendMagic.mq5 | //| Copyright © 2014, Sergey Gritsai | //| sergey1294@list.ru | //+------------------------------------------------------------------+ #property copyright "Copyright © 2014, Sergey Gritsai" #property link "sergey1294@list.ru" //--- indicator version #property version "1.00" //--- drawing the indicator in the main window #property indicator_chart_window //---- number of indicator buffers #property indicator_buffers 2 //--- one plot is used #property indicator_plots 1 //+-----------------------------------+ //| Indicator drawing parameters | //+-----------------------------------+ //--- drawing the indicator as a multicolored line #property indicator_type1 DRAW_COLOR_LINE //--- the following colors are used in a three-color line #property indicator_color1 clrGreen,clrMagenta //--- the indicator line is a continuous curve #property indicator_style1 STYLE_SOLID //--- indicator line width is 2 #property indicator_width1 2 //--- displaying the indicator label #property indicator_label1 "TrendMagic" //+-----------------------------------+ //| declaration of constants | //+-----------------------------------+ #define RESET 0 // the constant for getting the command for the indicator recalculation back to the terminal //+-----------------------------------+ //| Indicator input parameters | //+-----------------------------------+ input uint CCI_Period=50; // CCI period input ENUM_APPLIED_PRICE CCIPrice=PRICE_MEDIAN; // CCI price input uint ATR_Period=5; // ATR period input int Shift=0; // Horizontal shift of the indicator in bars input int PriceShift=0; // Vertical shift of the indicator in points //+-----------------------------------+ //--- declaration of dynamic arrays that //--- will be used as indicator buffers double IndBuffer[]; double ColorIndBuffer[]; //--- declaring the variable of the value of the MA vertical shift double dPriceShift; //--- declaration of integer variables for the start of data calculation int min_rates_total; //--- declaration of integer variables for the indicators handles int CCI_Handle,ATR_Handle; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- initialization of variables of data calculation start min_rates_total=int(MathMax(CCI_Period,ATR_Period)); //---- getting handle of the iCCI indicator CCI_Handle=iCCI(NULL,0,CCI_Period,CCIPrice); if(CCI_Handle==INVALID_HANDLE) { Print(" Failed to get handle of the iCCI indicator"); return(INIT_FAILED); } //--- getting handle of the iATR indicator ATR_Handle=iATR(NULL,0,ATR_Period); if(ATR_Handle==INVALID_HANDLE) { Print(" Failed to get the iATR indicator handle"); return(INIT_FAILED); } //--- initialization of the vertical shift dPriceShift=_Point*PriceShift; //--- set dynamic array as an indicator buffer SetIndexBuffer(0,IndBuffer,INDICATOR_DATA); //--- indexing elements in the buffer as in timeseries ArraySetAsSeries(IndBuffer,true); //--- Setting a dynamic array as a color index buffer SetIndexBuffer(1,ColorIndBuffer,INDICATOR_COLOR_INDEX); //--- indexing elements in the buffer as in timeseries ArraySetAsSeries(ColorIndBuffer,true); //--- shifting the indicator 1 horizontally PlotIndexSetInteger(0,PLOT_SHIFT,Shift); //--- shifting the start of drawing of the indicator 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,0.0); string shortname; //--- initializations of a variable for the indicator short name StringConcatenate(shortname,"TrendMagic(",CCI_Period,", ",ATR_Period,")"); //--- creation of the name to be displayed in a separate sub-window and in a pop up help IndicatorSetString(INDICATOR_SHORTNAME,shortname); //--- determining the accuracy of the indicator values IndicatorSetInteger(INDICATOR_DIGITS,_Digits); //--- initialization end return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, // number of bars in history 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 if the number of bars is enough for the calculation if(BarsCalculated(CCI_Handle)rates_total || prev_calculated<=0)// checking for the first start of calculation of an indicator { limit=rates_total-2; // Starting index for the calculation of all bars } else { limit=rates_total-prev_calculated; // starting index for the calculation of new bars } to_copy=limit+1; //--- copy newly appeared data in the arrays if(CopyBuffer(CCI_Handle,0,0,to_copy,CCI)<=0) return(RESET); if(CopyBuffer(ATR_Handle,0,0,to_copy,ATR)<=0) return(RESET); //--- apply timeseries indexing to array elements ArraySetAsSeries(CCI,true); ArraySetAsSeries(ATR,true); ArraySetAsSeries(high,true); ArraySetAsSeries(low,true); //--- main calculation loop of the indicator for(bar=limit; bar>=0 && !IsStopped(); bar--) { if(CCI[bar]>=0.0) { IndBuffer[bar]=low[bar]-ATR[bar]+PriceShift; if(IndBuffer[bar]IndBuffer[bar+1]) IndBuffer[bar]=IndBuffer[bar+1]; ColorIndBuffer[bar]=1.0; } } //--- return(rates_total); } //+------------------------------------------------------------------+