//+------------------------------------------------------------------+ //| EVWMA.mq5 | //| Copyright © 2004, Poul_Trade_Forum | //| Aborigen | //| http://forex.kbpauk.ru/ | //+------------------------------------------------------------------+ #property copyright "Copyright © 2004, Poul_Trade_Forum" #property link "http://forex.kbpauk.ru/" //---- indicator version number #property version "1.00" //---- drawing the indicator in the main window #property indicator_chart_window //---- number of indicator buffers #property indicator_buffers 1 //---- only one plot is used #property indicator_plots 1 //+-----------------------------------+ //| Indicator drawing parameters | //+-----------------------------------+ //---- drawing the indicator as a line #property indicator_type1 DRAW_LINE //---- DarkOrange color is used as the color of the line of the indicator #property indicator_color1 clrDarkOrange //---- 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 "EVWMA" //+-----------------------------------+ //| INDICATOR INPUT PARAMETERS | //+-----------------------------------+ enum Applied_price_ //Type od constant { 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 PRICE_DEMARK_ //Demark Price }; //+-----------------------------------+ //| INDICATOR INPUT PARAMETERS | //+-----------------------------------+ input ENUM_APPLIED_VOLUME VolumeType=VOLUME_TICK; //volume input uint VolumeDivisor=1; input uint N=100; 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 in pointsõ //+-----------------------------------+ //---- declaration of a dynamic array that further // will be used as an indicator buffer double EVWMA[]; //---- Declaration of the average vertical shift value variable double dPriceShift; //---- Declaration of integer variables of data starting point int min_rates_total; //+------------------------------------------------------------------+ //| EVWMA indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { //---- Initialization of variables of the start of data calculation min_rates_total=2; //---- Initialization of the vertical shift dPriceShift=_Point*PriceShift; //---- set dynamic array as an indicator buffer SetIndexBuffer(0,EVWMA,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_total); //---- setting the indicator values that won't be visible on a chart PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0); //---- initializations of variable for indicator short name string shortname; StringConcatenate(shortname,"EVWMA(",VolumeDivisor,", ",VolumeDivisor,")"); //--- 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+1); //---- end of initialization } //+------------------------------------------------------------------+ //| EVWMA 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[], // price array of maximums of price for the calculation of indicator const double& low[], // price array of price lows 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 calculation if(rates_totalrates_total || prev_calculated<=0) // checking for the first start of calculation of an indicator { first=1; // starting number for calculation of all bars EVWMA[0]=PriceSeries(IPC,0,open,low,high,close)+dPriceShift; } else first=prev_calculated-1; // starting number for calculation of new bars //---- Main calculation loop of the indicator for(bar=first; barOpen[bar])return(High[bar]); else { if(Close[bar]Open[bar])return((High[bar]+Close[bar])/2.0); else { if(Close[bar]Open[bar]) res=(res+High[bar])/2; if(Close[bar]==Open[bar]) res=(res+Close[bar])/2; return(((res-Low[bar])+(res-High[bar]))/2); } //---- default: return(Close[bar]); } //---- //return(0); } //+------------------------------------------------------------------+