//+------------------------------------------------------------------+ //| Zigzag-fractals.mq4 | //| Copyright © 2005-2007, MetaQuotes Software Corp. | //| http://www.metaquotes.net/ | //+------------------------------------------------------------------+ #property copyright "Copyright © 2007, MetaQuotes Software Corp." #property link "http://www.metaquotes.net/" #property indicator_chart_window #property indicator_buffers 1 #property indicator_color1 Gold //---- indicator parameters //---- indicator buffers double ZigzagBuffer[]; double HighMapBuffer[]; double LowMapBuffer[]; int level=3; // recounting's depth bool downloadhistory=false; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { IndicatorBuffers(3); //---- drawing settings SetIndexStyle(0,DRAW_SECTION); //---- indicator buffers mapping SetIndexBuffer(0,ZigzagBuffer); SetIndexBuffer(1,HighMapBuffer); SetIndexBuffer(2,LowMapBuffer); SetIndexEmptyValue(0,0.0); //---- indicator short name IndicatorShortName("ZigZag-fractal"); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int start() { int i, counted_bars = IndicatorCounted(); int limit,counterZ,whatlookfor; int shift,back,lasthighpos,lastlowpos; double val,res; double curlow,curhigh,lasthigh,lastlow; if (counted_bars==0 && downloadhistory) // history was downloaded { ArrayInitialize(ZigzagBuffer,0.0); ArrayInitialize(HighMapBuffer,0.0); ArrayInitialize(LowMapBuffer,0.0); } if (counted_bars==0) { limit=Bars-12; downloadhistory=true; } if (counted_bars>0) { while (counterZ<3 && i<100) { res=ZigzagBuffer[i]; if (res!=0) counterZ++; i++; } i--; limit=i; if (LowMapBuffer[i]!=0) { curlow=LowMapBuffer[i]; whatlookfor=1; } else { curhigh=HighMapBuffer[i]; whatlookfor=-1; } for (i=limit-1;i>=0;i--) { ZigzagBuffer[i]=0.0; LowMapBuffer[i]=0.0; HighMapBuffer[i]=0.0; } } for(shift=limit; shift>=0; shift--) { val=iFractals(NULL, 0, MODE_LOWER, shift);//Low[iLowest(NULL,0,MODE_LOW,12,shift)]; if(val==lastlow) val=0.0; else { lastlow=val; if((Low[shift]-val)>(1*Point)) val=0.0; else { for(back=1; back<=1; back++) { res=LowMapBuffer[shift+back]; if((res!=0)&&(res>val)) LowMapBuffer[shift+back]=0.0; } } } LowMapBuffer[shift]=val; //--- high val=iFractals(NULL, 0, MODE_UPPER, shift);//High[iHighest(NULL,0,MODE_HIGH,12,shift)];//iFractals(NULL, 0, MODE_UPPER, 3); if(val==lasthigh) val=0.0; else { lasthigh=val; if((val-High[shift])>(1*Point)) val=0.0; else { for(back=1; back<=1; back++) { res=HighMapBuffer[shift+back]; if((res!=0)&&(res=0;shift--) { res=0.0; switch(whatlookfor) { case 0: // look for peak or lawn if (lastlow==0 && lasthigh==0) { if (HighMapBuffer[shift]!=0) { lasthigh=High[shift]; lasthighpos=shift; whatlookfor=-1; ZigzagBuffer[shift]=lasthigh; res=1; } if (LowMapBuffer[shift]!=0) { lastlow=Low[shift]; lastlowpos=shift; whatlookfor=1; ZigzagBuffer[shift]=lastlow; res=1; } } break; case 1: // look for peak if (LowMapBuffer[shift]!=0.0 && LowMapBuffer[shift]lasthigh && LowMapBuffer[shift]==0.0) { ZigzagBuffer[lasthighpos]=0.0; lasthighpos=shift; lasthigh=HighMapBuffer[shift]; ZigzagBuffer[shift]=lasthigh; } if (LowMapBuffer[shift]!=0.0 && HighMapBuffer[shift]==0.0) { lastlow=LowMapBuffer[shift]; lastlowpos=shift; ZigzagBuffer[shift]=lastlow; whatlookfor=1; } break; default: return; } } return(0); } //+------------------------------------------------------------------+