//------------------------------------------------------------------- // MetaTrader4 Indicator BH-Ergodic.mq4 // 2007, Bruce Hellstrom // bhweb@speakeasy.net // Version: 1.0 // Version Date: 15 Apr 2007 // Last change by: bruceh // Based on code written by Danny Feng, Ergodic.mq4 //+------------------------------------------------------------------- #property copyright "2007 Brucehvn, bhweb@speakeasy.net" #property link "http: //www.metaquotes.net" #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 DarkTurquoise #property indicator_color2 Yellow #property indicator_style1 0 #property indicator_style2 2 //---- input parameters extern int BarDiff = 1; // calculations are taken between current bar and current bar + BarDiff extern int r = 2; // First moving average on mean values extern int s = 10; // Second moving average applied to first extern int u = 5; // Third moving average applied to division extern int trigger = 3; // Final moving average or smoothing extern int PriceType = 0; // 0=Close, 1=Open, 2=High, 3=Low, 4=Median, 5=Typical, 6=Weighted //---- buffers double ErgBuffer[]; double ema_ErgBuffer[]; double Price_Delta1_Buffer[]; double Price_Delta2_Buffer[]; double r_ema1_Buffer[]; double r_ema2_Buffer[]; double s_ema1_Buffer[]; double s_ema2_Buffer[]; string ShortNameBase = ""; string IndVersion = "1.0"; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { ShortNameBase = "BH-Ergodic v" + IndVersion + " (" + r + "," + s + "," + u + ") Trigger(" + trigger + ")"; //---- additional buffers are used for counting. IndicatorBuffers( 8 ); SetIndexBuffer( 0, ema_ErgBuffer ); SetIndexLabel( 0, "Trigger" ); SetIndexBuffer( 1, ErgBuffer ); SetIndexLabel( 1, "Ergodic" ); SetIndexBuffer( 2, Price_Delta1_Buffer ); SetIndexBuffer( 3, Price_Delta2_Buffer ); SetIndexBuffer( 4, r_ema1_Buffer ); SetIndexBuffer( 5, r_ema2_Buffer ); SetIndexBuffer( 6, s_ema1_Buffer ); SetIndexBuffer( 7, s_ema2_Buffer ); //---- indicator lines SetIndexStyle( 0, DRAW_LINE ); SetIndexStyle( 1, DRAW_LINE ); //---- name for DataWindow and indicator subwindow label IndicatorShortName( ShortNameBase ); //---- SetIndexDrawBegin( 0, r + s + u + trigger ); SetIndexDrawBegin( 1, r + s + u + trigger ); //---- Print( ShortNameBase ); Print( "2007 - brucehvn, bhweb@speakeasy.net" ); return( 0 ); } //+------------------------------------------------------------------+ //| True Strength Index | //+------------------------------------------------------------------+ int start() { int i, limit; double mean1, mean2; if ( PriceType < PRICE_CLOSE || PriceType > PRICE_WEIGHTED ) { PriceType = PRICE_CLOSE; } int counted_bars = IndicatorCounted(); if ( counted_bars > 0 ) { counted_bars--; } limit = Bars - counted_bars; for ( i = 0; i < limit; i++ ) { switch( PriceType ) { case PRICE_CLOSE: mean1 = Close[i]; mean2 = Close[i+BarDiff]; break; case PRICE_OPEN: mean1 = Open[i]; mean2 = Open[i+BarDiff]; break; case PRICE_HIGH: mean1 = High[i]; mean2 = High[i+BarDiff]; break; case PRICE_LOW: mean1 = Low[i]; mean2 = Low[i+BarDiff]; break; case PRICE_MEDIAN: mean1 = ( High[i] - Low[i] ) / 2; mean2 = ( High[i+BarDiff] - Low[i+BarDiff] ) / 2; break; case PRICE_TYPICAL: mean1 = ( High[i] + Low[i] + Close[i] ) / 3; mean2 = ( High[i+BarDiff] + Low[i+BarDiff] + Close[i+BarDiff] ) / 3; break; case PRICE_WEIGHTED: mean1 = ( High[i] + Low[i] + Close[i] + Close[i] ) / 4; mean2 = ( High[i+BarDiff] + Low[i+BarDiff] + Close[i+BarDiff] + Close[i+BarDiff] ) / 4; break; } Price_Delta1_Buffer[i] = mean1 - mean2; Price_Delta2_Buffer[i] = MathAbs( mean1 - mean2 ); } for ( i = 0; i < limit; i++ ) { r_ema1_Buffer[i] = iMAOnArray( Price_Delta1_Buffer, Bars, r, 0, MODE_EMA, i ); r_ema2_Buffer[i] = iMAOnArray( Price_Delta2_Buffer, Bars, r, 0, MODE_EMA, i ); } for ( i = 0; i < limit; i++ ) { s_ema1_Buffer[i] = iMAOnArray( r_ema1_Buffer, Bars, s, 0, MODE_EMA, i ); s_ema2_Buffer[i] = iMAOnArray( r_ema2_Buffer, Bars, s, 0, MODE_EMA, i ); } for ( i = 0; i < limit; i++ ) { double ma1 = iMAOnArray( s_ema1_Buffer, Bars, u, 0, MODE_EMA, i ); double ma2 = iMAOnArray( s_ema2_Buffer, Bars, u, 0, MODE_EMA, i ); if ( ma2 != 0 ) { ErgBuffer[i] = ( 100 * ma1 ) / ma2; } else { ErgBuffer[i] = 0.0; } } for ( i = 0; i < limit; i++ ) { ema_ErgBuffer[i] = iMAOnArray( ErgBuffer, Bars, trigger, 0, MODE_EMA, i ); } string shortname = ShortNameBase; if ( ema_ErgBuffer[0] > ErgBuffer[0] ) { shortname = StringConcatenate( shortname, " SHORT" ); } else if ( ema_ErgBuffer[0] < ErgBuffer[0] ) { shortname = StringConcatenate( shortname, " LONG" ); } else { shortname = StringConcatenate( shortname, " NEUTRAL" ); } IndicatorShortName( shortname ); return( 0 ); } //+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains open prices of each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: