| //+------------------------------------------------------------------+ |
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| //| Heiken Ashi.mq4 | |
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| //| Copyright 2006-2014, MetaQuotes Software Corp. | |
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| //| http://www.mql4.com | |
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| //+------------------------------------------------------------------+ |
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| #property copyright "2006-2014, MetaQuotes Software Corp." |
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| #property link "http://www.mql4.com" |
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| #property description "We recommend next chart settings (press F8 or select menu \'Charts\'->\'Properties...\'):" |
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| #property description " - on \'Color\' Tab select \'Black\' for \'Line Graph\'" |
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| #property description " - on \'Common\' Tab disable \'Chart on Foreground\' checkbox and select \'Line Chart\' radiobutton" |
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| #property strict |
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| #property indicator_chart_window |
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| #property indicator_buffers 4 |
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| #property indicator_color1 Red |
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| #property indicator_color2 White |
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| #property indicator_color3 Red |
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| #property indicator_color4 White |
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| #property indicator_width1 1 |
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| #property indicator_width2 1 |
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| #property indicator_width3 3 |
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| #property indicator_width4 3 |
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| //--- |
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| input color ExtColor1 = Red; // Shadow of bear candlestick |
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| input color ExtColor2 = White; // Shadow of bull candlestick |
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| input color ExtColor3 = Red; // Bear candlestick body |
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| input color ExtColor4 = White; // Bull candlestick body |
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| //--- buffers |
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| double ExtLowHighBuffer[]; |
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| double ExtHighLowBuffer[]; |
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| double ExtOpenBuffer[]; |
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| double ExtCloseBuffer[]; |
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| //+------------------------------------------------------------------+ |
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| //| Custom indicator initialization function | |
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| //|------------------------------------------------------------------| |
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| void OnInit(void) |
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| { |
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| IndicatorShortName("Heiken Ashi"); |
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| IndicatorDigits(Digits); |
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| //--- indicator lines |
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| SetIndexStyle(0,DRAW_HISTOGRAM,0,1,ExtColor1); |
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| SetIndexBuffer(0,ExtLowHighBuffer); |
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| SetIndexStyle(1,DRAW_HISTOGRAM,0,1,ExtColor2); |
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| SetIndexBuffer(1,ExtHighLowBuffer); |
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| SetIndexStyle(2,DRAW_HISTOGRAM,0,3,ExtColor3); |
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| SetIndexBuffer(2,ExtOpenBuffer); |
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| SetIndexStyle(3,DRAW_HISTOGRAM,0,3,ExtColor4); |
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| SetIndexBuffer(3,ExtCloseBuffer); |
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| //--- |
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| SetIndexLabel(0,"Low/High"); |
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| SetIndexLabel(1,"High/Low"); |
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| SetIndexLabel(2,"Open"); |
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| SetIndexLabel(3,"Close"); |
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| SetIndexDrawBegin(0,10); |
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| SetIndexDrawBegin(1,10); |
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| SetIndexDrawBegin(2,10); |
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| SetIndexDrawBegin(3,10); |
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| //--- indicator buffers mapping |
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| SetIndexBuffer(0,ExtLowHighBuffer); |
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| SetIndexBuffer(1,ExtHighLowBuffer); |
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| SetIndexBuffer(2,ExtOpenBuffer); |
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| SetIndexBuffer(3,ExtCloseBuffer); |
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| //--- initialization done |
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| } |
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| //+------------------------------------------------------------------+ |
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| //| Heiken Ashi | |
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| //+------------------------------------------------------------------+ |
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| int OnCalculate(const int rates_total, |
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| const int prev_calculated, |
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| const datetime &time[], |
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| const double &open[], |
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| const double &high[], |
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| const double &low[], |
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| const double &close[], |
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| const long &tick_volume[], |
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| const long &volume[], |
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| const int &spread[]) |
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| { |
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| int i,pos; |
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| double haOpen,haHigh,haLow,haClose; |
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| //--- |
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| if(rates_total<=10) |
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| return(0); |
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| //--- counting from 0 to rates_total |
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| ArraySetAsSeries(ExtLowHighBuffer,false); |
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| ArraySetAsSeries(ExtHighLowBuffer,false); |
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| ArraySetAsSeries(ExtOpenBuffer,false); |
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| ArraySetAsSeries(ExtCloseBuffer,false); |
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| ArraySetAsSeries(open,false); |
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| ArraySetAsSeries(high,false); |
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| ArraySetAsSeries(low,false); |
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| ArraySetAsSeries(close,false); |
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| //--- preliminary calculation |
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| if(prev_calculated>1) |
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| pos=prev_calculated-1; |
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| else |
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| { |
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| //--- set first candle |
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| if(open[0]<close[0]) |
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| ExtLowHighBuffer[0]=low[0]; |
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| ExtHighLowBuffer[0]=high[0]; |
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| } |
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| else |
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| { |
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| ExtLowHighBuffer[0]=high[0]; |
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| ExtHighLowBuffer[0]=low[0]; |
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| } |
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| ExtOpenBuffer[0]=open[0]; |
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| ExtCloseBuffer[0]=close[0]; |
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| //--- |
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| pos=1; |
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| } |
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| //--- main loop of calculations |
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| for(i=pos; i<rates_total; i++) |
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| haOpen=(ExtOpenBuffer[i-1]+ExtCloseBuffer[i-1])/2; |
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| haClose=(open[i]+high[i]+low[i]+close[i])/4; |
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| haHigh=MathMax(high[i],MathMax(haOpen,haClose)); |
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| haLow=MathMin(low[i],MathMin(haOpen,haClose)); |
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| if(haOpen<haClose) |
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| { |
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| ExtLowHighBuffer[i]=haLow; |
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| ExtHighLowBuffer[i]=haHigh; |
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| } |
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| else |
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| { |
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| ExtLowHighBuffer[i]=haHigh; |
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| ExtHighLowBuffer[i]=haLow; |
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| } |
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| ExtOpenBuffer[i]=haOpen; |
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| ExtCloseBuffer[i]=haClose; |
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| } |
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| //--- done |
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| return(rates_total); |
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| } |
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| //+------------------------------------------------------------------+ |
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| 老师，又麻烦你帮我修改一个主图指标，我复制进金字塔软件，说语句未尾缺少分号，我试加了分号也不行，辛苦老师帮修改 |
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