//+------------------------------------------------------------------+ //| Heiken Ashi Smoothed.mq4 | //+------------------------------------------------------------------+ //| mod by Raff | //+------------------------------------------------------------------+ #property copyright "Copyright © 2006, Forex-TSD.com " #property link "http://www.forex-tsd.com/" #property indicator_chart_window #property indicator_buffers 4 #property indicator_color1 Red #property indicator_color2 RoyalBlue #property indicator_color3 Red #property indicator_color4 RoyalBlue //---- parameters extern int MaMetod = 0; extern int MaPeriod = 1; extern int MaMetod2 = 3; extern int MaPeriod2 = 2; extern int SoundAlertMode = 0; //---- buffers double ExtMapBuffer1[]; double ExtMapBuffer2[]; double ExtMapBuffer3[]; double ExtMapBuffer4[]; double ExtMapBuffer5[]; double ExtMapBuffer6[]; double ExtMapBuffer7[]; double ExtMapBuffer8[]; double trend[]; //---- int ExtCountedBars=0; bool UpTrendAlert=false, DownTrendAlert=false; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //|------------------------------------------------------------------| int init() { //---- indicators IndicatorBuffers(8); SetIndexStyle(0,DRAW_HISTOGRAM, 0, 1, Red); SetIndexBuffer(0, ExtMapBuffer1); SetIndexStyle(1,DRAW_HISTOGRAM, 0, 1, RoyalBlue); SetIndexBuffer(1, ExtMapBuffer2); SetIndexStyle(2,DRAW_HISTOGRAM, 0, 3, Red); SetIndexBuffer(2, ExtMapBuffer3); SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3, RoyalBlue); SetIndexBuffer(3, ExtMapBuffer4); //---- SetIndexDrawBegin(0,5); //---- indicator buffers mapping SetIndexBuffer(0,ExtMapBuffer1); SetIndexBuffer(1,ExtMapBuffer2); SetIndexBuffer(2,ExtMapBuffer3); SetIndexBuffer(3,ExtMapBuffer4); SetIndexBuffer(4,ExtMapBuffer5); SetIndexBuffer(5,ExtMapBuffer6); SetIndexBuffer(6,ExtMapBuffer7); SetIndexBuffer(7,ExtMapBuffer8); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- TODO: add your code here //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { double maOpen, maClose, maLow, maHigh; double haOpen, haHigh, haLow, haClose; if(Bars<=10) return(0); ExtCountedBars=IndicatorCounted(); //---- check for possible errors if (ExtCountedBars<0) return(-1); //---- last counted bar will be recounted if (ExtCountedBars>0) ExtCountedBars--; int pos=Bars-ExtCountedBars-1; while(pos>=0) { maOpen=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_OPEN,pos); maClose=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_CLOSE,pos); maLow=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_LOW,pos); maHigh=iMA(NULL,0,MaPeriod,0,MaMetod,MODE_HIGH,pos); haOpen=(ExtMapBuffer5[pos+1]+ExtMapBuffer6[pos+1])/2; haClose=(maOpen+maHigh+maLow+maClose)/4; haHigh=MathMax(maHigh, MathMax(haOpen, haClose)); haLow=MathMin(maLow, MathMin(haOpen, haClose)); if (haOpen<haClose) { trend[pos]=1; ExtMapBuffer7[pos]=haLow; ExtMapBuffer8[pos]=haHigh; if (SoundAlertMode>0 && pos==0 && trend[1]<0) PlaySound("alert2.wav"); } else { trend[pos]=-1; ExtMapBuffer7[pos]=haHigh; ExtMapBuffer8[pos]=haLow; if (SoundAlertMode>0 && pos==0 && trend[1]>0) PlaySound("alert2.wav"); } ExtMapBuffer5[pos]=haOpen; ExtMapBuffer6[pos]=haClose; pos--; } int i; for(i=0; i<Bars; i++) ExtMapBuffer1[i]=iMAOnArray(ExtMapBuffer7,Bars,MaPeriod2,0,MaMetod2,i); for(i=0; i<Bars; i++) ExtMapBuffer2[i]=iMAOnArray(ExtMapBuffer8,Bars,MaPeriod2,0,MaMetod2,i); for(i=0; i<Bars; i++) ExtMapBuffer3[i]=iMAOnArray(ExtMapBuffer5,Bars,MaPeriod2,0,MaMetod2,i); for(i=0; i<Bars; i++) ExtMapBuffer4[i]=iMAOnArray(ExtMapBuffer6,Bars,MaPeriod2,0,MaMetod2,i); //---------- string Message; if ( trend[2]<0 && trend[1]>0 && Volume[0]>1 && !UpTrendAlert) { Message = " "+Symbol()+" M"+Period()+": Signal for BUY"; if ( SoundAlertMode>0 ) Alert (Message); UpTrendAlert=true; DownTrendAlert=false; } if ( trend[2]>0 && trend[1]<0 && Volume[0]>1 && !DownTrendAlert) { Message = " "+Symbol()+" M"+Period()+": Signal for SELL"; if ( SoundAlertMode>0 ) Alert (Message); DownTrendAlert=true; UpTrendAlert=false; } //---- return(0); } //+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains tick volumes of each bar
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It plays sound alerts