//+------------------------------------------------------------------+ //| KDJ.mq4 | //| Copyright 2006, raidsan. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property indicator_separate_window #property indicator_buffers 3 #property indicator_color1 White #property indicator_color2 Yellow #property indicator_color3 Magenta //---- input parameters extern int NPeriod=9; extern int KPeriod=3; extern int DPeriod=3; double RSV; double KBuffer; double DBuffer; double JBuffer; double HighesBuffer; double LowesBuffer; int draw_begin_K = 0; int draw_begin_D = 0; //+------------------------------------------------------------------+ //| expert initialization function | //+------------------------------------------------------------------+ int init() { string short_name; //---- 2 additional buffers are used for counting. IndicatorBuffers(6); SetIndexBuffer(4, HighesBuffer); SetIndexBuffer(5, LowesBuffer); SetIndexBuffer(3, RSV); //---- indicator lines SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0, KBuffer); //k SetIndexStyle(1,DRAW_LINE); SetIndexBuffer(1, DBuffer); //d SetIndexStyle(2,DRAW_LINE); SetIndexBuffer(2, JBuffer); //j //---- name for DataWindow and indicator subwindow label string shortname = "KDJ("+NPeriod+","+KPeriod+","+DPeriod+")"; IndicatorShortName(shortname); SetIndexLabel(0,"K"); SetIndexLabel(1,"D"); SetIndexLabel(2,"J"); SetLevelValue(0,0); SetLevelValue(1,20); SetLevelValue(2,50); SetLevelValue(3,80); SetLevelValue(4,100); //---- draw_begin_K = NPeriod+KPeriod; draw_begin_D = draw_begin_K+DPeriod; SetIndexDrawBegin(0,draw_begin_K); SetIndexDrawBegin(1,draw_begin_D); SetIndexDrawBegin(2,draw_begin_D); SetIndexEmptyValue(0,0); SetIndexEmptyValue(1,0); SetIndexEmptyValue(2,0); return(0); } //+------------------------------------------------------------------+ //| expert deinitialization function | //+------------------------------------------------------------------+ int start() { int i,k; int counted_bars=IndicatorCounted(); double price; //---- if(Bars<=NPeriod) return(0); //---- initial zero if(counted_bars<1) { for(i=1;i<=draw_begin_K;i++) KBuffer[Bars-i]=0; for(i=1;i<=draw_begin_D;i++) DBuffer[Bars-i]=0; for(i=1;i<=draw_begin_D;i++) JBuffer[Bars-i]=0; } //---- minimums counting i=Bars-NPeriod; if(counted_bars>NPeriod) i=Bars-counted_bars-1; while(i>=0) { double min=1000000; k=i+NPeriod-1; while(k>=i) { price=Low[k]; if(min>price) min=price; k--; } LowesBuffer=min; i--; } //---- maximums counting i=Bars-NPeriod; if(counted_bars>NPeriod) i=Bars-counted_bars-1; while(i>=0) { double max=-1000000; k=i+NPeriod-1; while(k>=i) { price=High[k]; if(max

韬客社区www.talkfx.co