//+------------------------------------------------------------------+ //| TrendPower.mq5 | //| Copyright © 2007, mandorr | //| | //+------------------------------------------------------------------+ //---- author of the indicator #property copyright "Copyright © 2007, mandorr" //---- link to the website of the author #property link "" //---- indicator version number #property version "1.00" //---- drawing the indicator in the main window #property indicator_chart_window //---- five buffers are used for calculation and drawing the indicator #property indicator_buffers 5 //---- 5 graphical plots are used in total #property indicator_plots 5 //+----------------------------------------------+ //| Channel line drawing parameters | //+----------------------------------------------+ //---- drawing indicator 1 as a line #property indicator_type1 DRAW_LINE //---- use gray color for the indicator line #property indicator_color1 clrGray //---- indicator 1 line is a solid one #property indicator_style1 STYLE_SOLID //---- indicator 1 line width is equal to 2 #property indicator_width1 2 //---- displaying the indicator line label #property indicator_label1 "Lower TrendPower" //+----------------------------------------------+ //| Bullish indicator drawing parameters | //+----------------------------------------------+ //---- drawing the indicator 2 as a line #property indicator_type2 DRAW_LINE //---- blue color is used for the indicator line #property indicator_color2 Blue //---- the indicator 2 line is a dot-dash one #property indicator_style2 STYLE_DASHDOTDOT //---- indicator 2 line width is equal to 2 #property indicator_width2 2 //---- displaying the indicator line label #property indicator_label2 "Upper TrendPower" //+----------------------------------------------+ //| Bearish indicator drawing parameters | //+----------------------------------------------+ //---- drawing indicator 3 as line #property indicator_type3 DRAW_LINE //---- medium violet red color is used for the indicator line #property indicator_color3 MediumVioletRed //---- the indicator 3 line is a dot-dash one #property indicator_style3 STYLE_DASHDOTDOT //---- indicator 3 line width is equal to 2 #property indicator_width3 2 //---- displaying the indicator line label #property indicator_label3 "Lower TrendPower" //+----------------------------------------------+ //| Bullish indicator drawing parameters | //+----------------------------------------------+ //---- drawing the indicator 4 as a label #property indicator_type4 DRAW_ARROW //---- deep sky blue color is used for the indicator #property indicator_color4 DeepSkyBlue //---- indicator 4 width is equal to 4 #property indicator_width4 4 //---- displaying the indicator label #property indicator_label4 "Buy TrendPower" //+----------------------------------------------+ //| Bearish indicator drawing parameters | //+----------------------------------------------+ //---- drawing the indicator 5 as a label #property indicator_type5 DRAW_ARROW //---- red color is used for the indicator #property indicator_color5 Red //---- indicator 5 width is equal to 4 #property indicator_width5 4 //---- displaying the indicator label #property indicator_label5 "Sell TrendPower" //+----------------------------------------------+ //| declaring constants | //+----------------------------------------------+ #define RESET 0 // The constant for getting the command for the indicator recalculation back to the terminal //+----------------------------------------------+ //| Indicator input parameters | //+----------------------------------------------+ input uint PeriodStep=10; // Moving averages period step; input ENUM_MA_METHOD MAType=MODE_EMA; // smoothing method input ENUM_APPLIED_PRICE MAPrice=PRICE_CLOSE; // type of price input int Shift=0; // Horizontal shift of the indicator in bars //+----------------------------------------------+ //---- declaration of dynamic arrays that //---- will be used as indicator buffers double ExtMapBufferUp[]; double ExtMapBufferDown[]; double ExtMapBufferUp1[]; double ExtMapBufferDown1[]; double ExtMapLineBuffer[]; //---- declaration of integer variables for the indicators handles int MA_Handle[6]; //---- declaration of the integer variables for the start of data calculation int min_rates_total; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //---- getting handles of the MA indicator for(int numb=0; numb<6; numb++) { MA_Handle[numb]=iMA(NULL,0,(numb+1)*PeriodStep,0,MAType,MAPrice); if(MA_Handle[numb]==INVALID_HANDLE) { Print(" Failed to get handle of the MA indicator"); return(1); } } //---- initialization of variables of the start of data calculation min_rates_total=int(PeriodStep*6); //---- set dynamic array as an indicator buffer SetIndexBuffer(0,ExtMapLineBuffer,INDICATOR_DATA); //---- shifting the indicator 0 horizontally by Shift PlotIndexSetInteger(0,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator 2 PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as timeseries ArraySetAsSeries(ExtMapLineBuffer,true); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- set ExtMapBufferUp[] dynamic array as an indicator buffer SetIndexBuffer(1,ExtMapBufferUp,INDICATOR_DATA); //---- shifting indicator 1 horizontally by Shift PlotIndexSetInteger(1,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator 1 PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as timeseries ArraySetAsSeries(ExtMapBufferUp,true); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- set ExtMapBufferDown[] dynamic array as an indicator buffer SetIndexBuffer(2,ExtMapBufferDown,INDICATOR_DATA); //---- shifting the indicator 2 horizontally by Shift PlotIndexSetInteger(2,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator 2 PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as timeseries ArraySetAsSeries(ExtMapBufferDown,true); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- set ExtMapBufferUp1[] dynamic array as an indicator buffer SetIndexBuffer(3,ExtMapBufferUp1,INDICATOR_DATA); //---- shifting indicator 1 horizontally by Shift PlotIndexSetInteger(3,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator 3 PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as timeseries ArraySetAsSeries(ExtMapBufferUp1,true); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(3,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- set ExtMapBufferDown1[] dynamic array as an indicator buffer SetIndexBuffer(4,ExtMapBufferDown1,INDICATOR_DATA); //---- shifting the indicator 2 horizontally by Shift PlotIndexSetInteger(4,PLOT_SHIFT,Shift); //---- shifting the start of drawing of the indicator 4 PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,min_rates_total); //---- indexing the elements in buffers as timeseries ArraySetAsSeries(ExtMapBufferDown1,true); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(4,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- initializations of variable for indicator short name string shortname; StringConcatenate(shortname,"TrendPower(",PeriodStep,", ",EnumToString(MAType),", ",EnumToString(MAPrice),", ",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,_Digits); //---- return(0); } //+------------------------------------------------------------------+ //| 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 for(int numb=0; numb<6; numb++) if(BarsCalculated(MA_Handle[numb])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 } else { limit=rates_total-prev_calculated; // starting index for calculation of new bars } to_copy=limit+1; //---- copy newly appeared data into the arrays if(CopyBuffer(MA_Handle[0],0,0,to_copy,MA1)<=0) return(RESET); if(CopyBuffer(MA_Handle[1],0,0,to_copy,MA2)<=0) return(RESET); if(CopyBuffer(MA_Handle[2],0,0,to_copy,MA3)<=0) return(RESET); if(CopyBuffer(MA_Handle[3],0,0,to_copy,MA4)<=0) return(RESET); if(CopyBuffer(MA_Handle[4],0,0,to_copy,MA5)<=0) return(RESET); if(CopyBuffer(MA_Handle[5],0,0,to_copy,MA6)<=0) return(RESET); //---- main loop of the indicator calculation for(bar=limit; bar>=0 && !IsStopped(); bar--) { ExtMapBufferUp[bar]=EMPTY_VALUE; ExtMapBufferDown[bar]=EMPTY_VALUE; ExtMapBufferUp1[bar]=EMPTY_VALUE; ExtMapBufferDown1[bar]=EMPTY_VALUE; h=MA1[bar]; l=MA1[bar]; if (hMA2[bar]) h=MA2[bar]; if (h>MA3[bar]) h=MA3[bar]; if (h>MA4[bar]) h=MA4[bar]; if (h>MA5[bar]) h=MA5[bar]; if (h>MA6[bar]) h=MA6[bar]; if (high[bar]>h) trend=+1; if (low [bar]h && low[bar]0) ExtMapBufferUp[bar]=l; ExtMapLineBuffer[bar]=(h+l)/2; if(ExtMapBufferUp[bar+1]==EMPTY_VALUE && ExtMapBufferUp[bar]!=EMPTY_VALUE) ExtMapBufferUp1[bar]=ExtMapBufferUp[bar]; if(ExtMapBufferDown[bar+1]==EMPTY_VALUE && ExtMapBufferDown[bar]!=EMPTY_VALUE) ExtMapBufferDown1[bar]=ExtMapBufferDown[bar]; } //---- return(rates_total); } //+------------------------------------------------------------------+