//+------------------------------------------------------------------+ //| Heiken Ashi_SWAlert.mq4 | //| Copyright © 2004, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //| Modififed by Igorad for display in separate window | //| "http://www.forex-tsd.com/"| //+------------------------------------------------------------------+ //| For Heiken Ashi we recommend next chart settings ( press F8 or | //| select on menu 'Charts'->'Properties...'): | //| - On 'Color' Tab select 'Black' for 'Line Graph' | //| - On 'Common' Tab disable 'Chart on Foreground' checkbox and | //| select 'Line Chart' radiobutton | //+------------------------------------------------------------------+ #property copyright "Copyright © 2004, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" #property indicator_separate_window #property indicator_buffers 2 #property indicator_color1 Red #property indicator_width1 3 #property indicator_color2 White #property indicator_width2 3 #property indicator_maximum 1.05 #property indicator_minimum -0.05 //#property indicator_color3 Red/ //#property indicator_color4 White //---- buffers extern int SoundAlertMode = 0; double ExtMapBuffer1[]; double ExtMapBuffer2[]; double ExtMapBuffer3[]; double ExtMapBuffer4[]; double trend[]; //---- int ExtCountedBars=0; bool UpTrendAlert=false, DownTrendAlert=false; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //|------------------------------------------------------------------| int init() { //---- indicators IndicatorBuffers(5); SetIndexStyle(0,DRAW_HISTOGRAM); SetIndexBuffer(0, ExtMapBuffer1); SetIndexStyle(1,DRAW_HISTOGRAM); SetIndexBuffer(1, ExtMapBuffer2); // SetIndexStyle(2,DRAW_HISTOGRAM, 0, 3, Red); SetIndexBuffer(2, ExtMapBuffer3); // SetIndexStyle(3,DRAW_HISTOGRAM, 0, 3, White); SetIndexBuffer(3, ExtMapBuffer4); SetIndexBuffer(4,trend); //---- SetIndexDrawBegin(0,10); SetIndexDrawBegin(1,10); //SetIndexDrawBegin(2,10); //SetIndexDrawBegin(3,10); //---- indicator buffers mapping //SetIndexBuffer(0,ExtMapBuffer1); //SetIndexBuffer(1,ExtMapBuffer2); //SetIndexBuffer(2,ExtMapBuffer3); //SetIndexBuffer(3,ExtMapBuffer4); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- TODO: add your code here //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { 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) { haOpen=(ExtMapBuffer3[pos+1]+ExtMapBuffer4[pos+1])/2; haClose=(Open[pos]+High[pos]+Low[pos]+Close[pos])/4; haHigh=MathMax(High[pos], MathMax(haOpen, haClose)); haLow=MathMin(Low[pos], MathMin(haOpen, haClose)); trend[pos]=trend[pos+1]; if (haOpen<haClose) { trend[pos]=1; ExtMapBuffer1[pos]=0; ExtMapBuffer2[pos]=1; if (SoundAlertMode>0 && pos==0 && trend[1]<0) PlaySound("alert2.wav"); } else { trend[pos]=-1; ExtMapBuffer1[pos]=1; ExtMapBuffer2[pos]=0; if (SoundAlertMode>0 && pos==0 && trend[1]>0) PlaySound("alert2.wav"); } ExtMapBuffer3[pos]=haOpen; ExtMapBuffer4[pos]=haClose; pos--; } //---------- 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 close prices for each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Series array that contains open prices of each bar
Series array that contains tick volumes of each bar
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It plays sound alerts