//+------------------------------------------------------------------+ //| LSMA.mq5 | //| Copyright © 2007, mandorr | //| mandorr@gmail.com | //+------------------------------------------------------------------+ #property copyright "Copyright © 2007, mandorr" #property link "mandorr@gmail.com" //---- indicator version number #property version "1.01" //---- 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 //---- pink color is used as the color of the bullish line of the indicator #property indicator_color1 clrViolet //---- 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 "LSMA" //+-----------------------------------+ //| Declaration of enumerations | //+-----------------------------------+ 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 uint period=50; // smoothing depth input Applied_price_ IPC=PRICE_CLOSE_;//price constant /* , used for calculation of the indicator ( 1-CLOSE, 2-OPEN, 3-HIGH, 4-LOW, 5-MEDIAN, 6-TYPICAL, 7-WEIGHTED, 8-SIMPL, 9-QUARTER, 10-TRENDFOLLOW, 11-0.5 * TRENDFOLLOW.) */ input int Shift=0; // horizontal shift of the indicator in bars input int PriceShift=0; // vertical shift of the indicator in pointsõ //+-----------------------------------+ //---- indicator buffer double LSMA[]; double lengthvar,periodX2; //---- Declaration of the average vertical shift value variable double dPriceShift; //---- Declaration of integer variables of data starting point int min_rates_total; //+------------------------------------------------------------------+ //| LSMA indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { //---- Initialization of variables of the start of data calculation min_rates_total=int(period); lengthvar=(period+1)/3; periodX2=period*(period+1); //---- set dynamic array as an indicator buffer SetIndexBuffer(0,LSMA,INDICATOR_DATA); //---- shifting the indicator horizontally by Shift 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,EMPTY_VALUE); //---- initializations of variable for indicator short name string shortname; StringConcatenate(shortname,"LSMA(",period,",",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+1); //---- Initialization of the vertical shift dPriceShift=_Point*PriceShift; //---- end of initialization } //+------------------------------------------------------------------+ //| LSMA 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=min_rates_total; // starting index for calculation of all bars } else first=prev_calculated-1; // starting number for calculation of new bars //---- main indicator calculation loop for(bar=first; bar0; kkk--)sum+=(kkk-lengthvar)*PriceSeries(IPC,bar-period+kkk,open,low,high,close); lsma=sum*6/periodX2; LSMA[bar]=lsma+dPriceShift; } //---- return(rates_total); } //+------------------------------------------------------------------+ //| Getting values of a price series | //+------------------------------------------------------------------+ double PriceSeries ( uint applied_price,// Price constant uint bar,// Shift index relative to the current bar by a specified number of periods backward or forward). const double &Open[], const double &Low[], const double &High[], const double &Close[] ) //PriceSeries(applied_price, bar, open, low, high, close) //+ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -+ { //---- switch(applied_price) { //---- Price constants from the ENUM_APPLIED_PRICE enumeration case PRICE_CLOSE: return(Close[bar]); case PRICE_OPEN: return(Open [bar]); case PRICE_HIGH: return(High [bar]); case PRICE_LOW: return(Low[bar]); case PRICE_MEDIAN: return((High[bar]+Low[bar])/2.0); case PRICE_TYPICAL: return((Close[bar]+High[bar]+Low[bar])/3.0); case PRICE_WEIGHTED: return((2*Close[bar]+High[bar]+Low[bar])/4.0); //---- case 8: return((Open[bar] + Close[bar])/2.0); case 9: return((Open[bar] + Close[bar] + High[bar] + Low[bar])/4.0); //---- case 10: { if(Close[bar]>Open[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); } //+------------------------------------------------------------------+