//+------------------------------------------------------------------+ //| Heiken Ashi.mq4 | //| Copyright c 2004, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "Copyright © 2004, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" #property indicator_chart_window #property indicator_buffers 4 #property indicator_color1 Red #property indicator_color2 Blue #property indicator_color3 Red #property indicator_color4 Blue //---- buffers double ExtMapBuffer1[], ExtMapBuffer2[], ExtMapBuffer3[], ExtMapBuffer4[]; //---- vars int ExtCountedBars=0; int init() { //---- indicators SetIndexStyle (0, DRAW_HISTOGRAM, 0, 1, Red); SetIndexBuffer (0, ExtMapBuffer1); SetIndexLabel (0, "HA Max / Min"); SetIndexStyle (1, DRAW_HISTOGRAM, 0, 1, Blue); SetIndexBuffer (1, ExtMapBuffer2); SetIndexLabel (1, "HA Max / Min"); SetIndexStyle (2, DRAW_HISTOGRAM, 0, 3, Red); SetIndexBuffer (2, ExtMapBuffer3); SetIndexLabel (2, "HA Open"); SetIndexStyle (3, DRAW_HISTOGRAM, 0, 3, Blue); SetIndexBuffer (3, ExtMapBuffer4); SetIndexLabel (3, "HA Close"); //---- 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); IndicatorDigits(Digits); return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { double haOpen, haHigh, haLow, haClose; int pos = Bars - ExtCountedBars - 1; 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--; } 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)); if ( haOpen < haClose) { ExtMapBuffer1[pos] = haLow; ExtMapBuffer2[pos] = haHigh; } else { ExtMapBuffer1[pos] = haHigh; ExtMapBuffer2[pos] = haLow; } ExtMapBuffer3[pos] = haOpen; ExtMapBuffer4[pos] = haClose; pos--; } 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
Indicator Curves created:
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: