主图指标 mt4指标类型：震荡指标 是否能用在mt4手机版上：否 是否含有未来函数：无 //+------------------------------------------------------------------+ //| Donchian Channels - Generalized version.mq4 | //| Copyright ? 2005, Luis Guilherme Damiani | //| http://www.damianifx.com.br | //+------------------------------------------------------------------+ #property copyright "Copyright ? 2005, Luis Guilherme Damiani" #property link "http://www.damianifx.com.br" #property indicator_chart_window #property indicator_buffers 2 #property indicator_color1 Magenta #property indicator_color2 SteelBlue //Periods: number of bars used for calculating the Donchian channel //Extremes: if 1 uses the highest high and the lowest low -> I do not recomend using this // if 0 uses the open of the extremes bar -> the open point of a bar (as well as the close // are the points of maximum probability of concentration of the prices during the bar // if 3 uses the median point most extreme open and lowest low or highest high //Margins: is the percent of the channel subtrated from the channel border before printing it, negative values are allowed //Advance: the numbers of bars ahead //---- input parameters extern int Periods=24; extern int Extremes=3; extern int Margins=-2; extern int Advance=0; extern int max_bars=700; //---- buffers double ExtMapBuffer1; double ExtMapBuffer2; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0,DRAW_LINE,1,2); SetIndexBuffer(0,ExtMapBuffer1); SetIndexStyle(1,DRAW_LINE,1,2); SetIndexBuffer(1,ExtMapBuffer2); IndicatorShortName("DoC("+Periods+")"); //---- return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int fixed_bars=IndicatorCounted(); //---- //int shift=0;//, cnt(0), loopbegin(0); double smin=0, smax=0, SsMax=0, SsMin=0; //Variables : bar(0), prevbars(0), start(0), cs(0), prevcs(0),commodt(0); if(max_bars == 0) max_bars = Bars; for (int shift=0;shift< max_bars;shift++) { if (Extremes ==1) { SsMax = High[Highest(NULL,0,MODE_HIGH,Periods,shift)]; SsMin = Low[Lowest(NULL,0,MODE_LOW,Periods,shift)]; } else if (Extremes == 3) { SsMax = (Open[Highest(NULL,0,MODE_OPEN,Periods,shift)]+High[Highest(NULL,0,MODE_HIGH,Periods,shift)])/2; SsMin = (Open[Lowest(NULL,0,MODE_OPEN,Periods,shift)]+Low[Lowest(NULL,0,MODE_LOW,Periods,shift)])/2; } else { SsMax = Open[Highest(NULL,0,MODE_OPEN,Periods,shift)]; SsMin = Open[Lowest(NULL,0,MODE_OPEN,Periods,shift)]; } smin = SsMin+(SsMax-SsMin)*Margins/100; smax = SsMax-(SsMax-SsMin)*Margins/100; ExtMapBuffer1[shift-Advance]=smin; ExtMapBuffer2[shift-Advance]=smax; } //---- return(0); } //+------------------------------------------------------------------+Donchian%20Channels%20-%20Generalized%20version.jpg

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