//+------------------------------------------------------------------+ //| ChandelierStops_v1.mq5 | //| Copyright © 2006, Forex-TSD.com | //| Written by IgorAD,igorad2003@yahoo.co.uk | //| http://finance.groups.yahoo.com/group/TrendLaboratory | //+------------------------------------------------------------------+ #property copyright "Copyright © 2006, Forex-TSD.com " #property link "http://www.forex-tsd.com/" #property description "" //---- Indicator version number #property version "1.00" //---- Drawing the indicator in the main window #property indicator_chart_window //---- number of indicator buffers 4 #property indicator_buffers 4 //---- four plots are used #property indicator_plots 4 //+-----------------------------------+ //| Parameters of indicator drawing | //+-----------------------------------+ //---- drawing the indicator as a line #property indicator_type1 DRAW_LINE //---- lime color is used for the indicator #property indicator_color1 clrLime //---- Indicator line is a solid one #property indicator_style1 STYLE_SOLID //---- indicator line width is 2 #property indicator_width1 2 //---- displaying the signal line label #property indicator_label1 "ChandelierStops Up" //+-----------------------------------+ //| Parameters of indicator drawing | //+-----------------------------------+ //---- drawing the indicator as a line #property indicator_type2 DRAW_LINE //---- Magenta color is used for the indicator #property indicator_color2 clrMagenta //---- Indicator line is a solid one #property indicator_style2 STYLE_SOLID //---- indicator line width is 2 #property indicator_width2 2 //---- displaying the signal line label #property indicator_label2 "ChandelierStops Down" //+----------------------------------------------+ //| Bullish indicator drawing parameters | //+----------------------------------------------+ //---- drawing the indicator 3 as a label #property indicator_type3 DRAW_ARROW //---- medium turquoise color is used as the color of the bullish line of the indicator #property indicator_color3 clrMediumTurquoise //---- the indicator 3 line is a continuous curve #property indicator_style3 STYLE_SOLID //---- the width of the indicator 3 line is 4 #property indicator_width3 4 //---- bullish indicator label display #property indicator_label3 "Buy ChandelierStops signal" //+----------------------------------------------+ //| Parameters of drawing the bearish indicator | //+----------------------------------------------+ //---- drawing the indicator 4 as a label #property indicator_type4 DRAW_ARROW //---- DeepPink color is used for the indicator bearish line #property indicator_color4 clrDeepPink //---- the indicator 2 line is a continuous curve #property indicator_style4 STYLE_SOLID //---- the width of the indicator 4 line is equal to 4 #property indicator_width4 4 //---- bearish indicator label display #property indicator_label4 "Sell ChandelierStops signal" //+----------------------------------------------+ //| declaring constants | //+----------------------------------------------+ #define RESET 0 // the constant for getting the command for the indicator recalculation back to the terminal //+----------------------------------------------+ //| Indicator input parameters | //+----------------------------------------------+ input uint Length=20; input uint ATRPeriod=10; input double Kv=3; input int Shift=0; //horizontal shift of the indicator in bars //+----------------------------------------------+ //---- declaration of dynamic arrays that //---- will be used as indicator buffers double TrendUp[],TrendDown[],SignUp[],SignDown[]; //---- Declaration of integer variables for indicators handles int ATR_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 ring buffers int Count[]; double smin[],smax[]; //+------------------------------------------------------------------+ //| Recalculation of position of the newest element in the array | //+------------------------------------------------------------------+ void Recount_ArrayZeroPos(int &CoArr[],// Return the current value of the price series by reference int Size) { //---- int numb,Max1,Max2; static int count=1; Max2=Size; Max1=Max2-1; count--; if(count<0) count=Max1; for(int iii=0; iiiMax1) numb-=Max2; CoArr[iii]=numb; } //---- } //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //---- Initialization of variables of the start of data calculation min_rates_total=int(ATRPeriod+Length); //---- Getting the handle of the ATR indicator ATR_Handle=iATR(NULL,0,ATRPeriod); if(ATR_Handle==INVALID_HANDLE) { Print(" Failed to get handle of the ATR indicator"); return(INIT_FAILED); } //---- memory allocation for arrays of variables ArrayResize(Count,Length); ArrayResize(smin,Length); ArrayResize(smax,Length); ArrayInitialize(smin,-999999); ArrayInitialize(smax,+999999); ArraySetAsSeries(smin,true); ArraySetAsSeries(smax,true); //---- set ExtBuffer[] dynamic array as an indicator buffer SetIndexBuffer(0,TrendUp,INDICATOR_DATA); //---- shifting the indicator horizontally by Shift PlotIndexSetInteger(0,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total); //---- restriction to draw empty values for the indicator PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0); //---- indexing the elements in buffers as time series ArraySetAsSeries(TrendUp,true); //---- set ExtBuffer[] dynamic array as an indicator buffer SetIndexBuffer(1,TrendDown,INDICATOR_DATA); //---- shifting the indicator horizontally by Shift PlotIndexSetInteger(1,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total); //---- restriction to draw empty values for the indicator PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0.0); //---- indexing the elements in buffers as time series ArraySetAsSeries(TrendDown,true); //---- set SignUp [] dynamic array as an indicator buffer SetIndexBuffer(2,SignUp,INDICATOR_DATA); //---- shifting the indicator 1 horizontally by Shift PlotIndexSetInteger(2,PLOT_SHIFT,Shift); //---- Shifting the start of drawing of the indicator 1 PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as time series ArraySetAsSeries(SignUp,true); //---- Setting the indicator values that won't be visible on a chart PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0.0); //---- indicator symbol PlotIndexSetInteger(2,PLOT_ARROW,108); //---- set SignDown[] dynamic array as an indicator buffer SetIndexBuffer(3,SignDown,INDICATOR_DATA); //---- shifting the indicator 2 horizontally by Shift PlotIndexSetInteger(3,PLOT_SHIFT,Shift); //---- shifting the starting point of calculation of drawing of the indicator 2 PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as time series ArraySetAsSeries(SignDown,true); //---- Setting the indicator values that won't be visible on a chart PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,0.0); //---- indicator symbol PlotIndexSetInteger(3,PLOT_ARROW,108); //---- Initializations of variable for indicator short name string shortname; StringConcatenate(shortname,"ChandelierStops_v1(",Length,", ",ATRPeriod,", ",Kv,", ",Shift,")"); //--- 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 displaying the indicator values IndicatorSetInteger(INDICATOR_DIGITS,0); //---- 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[], // price array of price maximums for the indicator calculation const double& low[], // price array of minimums of price for the indicator calculation 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(ATR_Handle)rates_total || prev_calculated<=0) // checking for the first start of calculation of an indicator { limit=rates_total-1-int(ATRPeriod); // starting index for calculating all bars } else limit=rates_total-prev_calculated; // Starting index for the calculation of new bars to_copy=limit+1; //---- copy newly appeared data into the arrays if(CopyBuffer(ATR_Handle,0,0,to_copy,ATR)<=0) return(RESET); //---- The main loop of the indicator calculation for(bar=limit; bar>=0 && !IsStopped(); bar--) { int bar0=Count[0]; int bar1=Count[1]; smin[Count[0]]=high[ArrayMaximum(high,bar,ATRPeriod)]-Kv*ATR[bar]; smax[Count[0]]=low[ArrayMinimum(low,bar,ATRPeriod)]+Kv*ATR[bar]; trend0=trend1; if(close[bar]>smax[Count[1]]) trend0=+1; if(close[bar]0) { if(smin[bar0]smax[bar1]) smax[bar0]=smax[bar1]; TrendUp[bar]=0.0; TrendDown[bar]=smax[bar0]; } if(bar) { Recount_ArrayZeroPos(Count,Length); trend1=trend0; } SignUp[bar]=0.0; SignDown[bar]=0.0; if(TrendDown[bar+1] && TrendUp[bar]) SignUp[bar]=TrendUp[bar]; if(TrendUp[bar+1]&& TrendDown[bar]) SignDown[bar]=TrendDown[bar]; } //---- return(rates_total); } //+------------------------------------------------------------------+