//+------------------------------------------------------------------+ //| ZigZag Pointer.mq4 | //| zigzag modified by Dr. Gaines | //| dr_richard_gaines@yahoo.com | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "dr_richard_gaines" #property link "http://www.metaquotes.net/" #property indicator_chart_window #property indicator_buffers 2 #property indicator_color1 Lime #property indicator_width1 5 #property indicator_color2 Red #property indicator_width2 5 //---- indicator parameters extern int ExtDepth=28;//was 12 extern int ExtDeviation=1;//was 5 extern int ExtBackstep=1;//was 3 //---- indicator buffers double ExtMapBuffer[]; double ExtMapBuffer2[]; double test1; double test2; double alertTag; int OldLastZigZag, OldPreviousZigZag; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { IndicatorBuffers(2); //---- drawing settings SetIndexStyle(0,DRAW_ARROW,STYLE_SOLID,5); SetIndexArrow(0, 233); SetIndexStyle(1,DRAW_ARROW,STYLE_SOLID,5); SetIndexArrow(1, 234); //---- indicator buffers mapping SetIndexBuffer(0,ExtMapBuffer); SetIndexBuffer(1,ExtMapBuffer2); SetIndexEmptyValue(0,0.0); //---- indicator short name IndicatorShortName("ZigZag("+ExtDepth+","+ExtDeviation+","+ExtBackstep+")"); //---- initialization done return(0); } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ int start() { int shift, back,lasthighpos,lastlowpos; double val,res; double curlow,curhigh,lasthigh,lastlow; for(shift=Bars-ExtDepth; shift>=0; shift--) { val=Low[Lowest(NULL,0,MODE_LOW,ExtDepth,shift)]; if(val==lastlow) val=0.0; else { lastlow=val; if((Low[shift]-val)>(ExtDeviation*Point)) val=0.0; else { for(back=1; back<=ExtBackstep; back++) { res=ExtMapBuffer[shift+back]; if((res!=0)&&(res>val)) ExtMapBuffer[shift+back]=0.0; } } } ExtMapBuffer[shift]=val; //--- high val=High[Highest(NULL,0,MODE_HIGH,ExtDepth,shift)]; if(val==lasthigh) val=0.0; else { lasthigh=val; if((val-High[shift])>(ExtDeviation*Point)) val=0.0; else { for(back=1; back<=ExtBackstep; back++) { res=ExtMapBuffer2[shift+back]; if((res!=0)&&(res<val)) ExtMapBuffer2[shift+back]=0.0; } } } ExtMapBuffer2[shift]=val; } // final cutting lasthigh=-1; lasthighpos=-1; lastlow=-1; lastlowpos=-1; for(shift=Bars-ExtDepth; shift>=0; shift--) { curlow=ExtMapBuffer[shift]; curhigh=ExtMapBuffer2[shift]; if((curlow==0)&&(curhigh==0)) continue; //--- if(curhigh!=0) { if(lasthigh>0) { if(lasthigh<curhigh) ExtMapBuffer2[lasthighpos]=0; else ExtMapBuffer2[shift]=0; } //--- if(lasthigh<curhigh || lasthigh<0) { lasthigh=curhigh; lasthighpos=shift; } lastlow=-1; } //---- if(curlow!=0) { if(lastlow>0) { if(lastlow>curlow) ExtMapBuffer[lastlowpos]=0; else ExtMapBuffer[shift]=0; } //--- if((curlow<lastlow)||(lastlow<0)) { lastlow=curlow; lastlowpos=shift; } lasthigh=-1; } } for(shift=Bars-1; shift>=0; shift--) { if(shift>=Bars-ExtDepth) ExtMapBuffer[shift]=0.0; else { res=ExtMapBuffer2[shift]; if(res!=0.0) ExtMapBuffer2[shift]=res; } int i=0; int LastZigZag, PreviousZigZag; int h=0; while ( ExtMapBuffer[h]==0 && ExtMapBuffer2[h]==0) { h++; } LastZigZag=h; h++; while(ExtMapBuffer[h]==0 && ExtMapBuffer2[h]==0) { h++; } PreviousZigZag=h; if (OldLastZigZag!=LastZigZag || OldPreviousZigZag!=PreviousZigZag) { if(OldLastZigZag>LastZigZag) Alert("#ZiGzag Pointer Downtrend starting on ",Symbol(),Period()); SendMail(Symbol()+" "+OrderComment(),"Stopreversal crossed up");} if(OldLastZigZag>LastZigZag) SendMail("#ZiGzag Pointer Downtrend starting on ",Symbol(),Period()); SendMail(Symbol()+" "+OrderComment(),"Stopreversal crossed up");} OldLastZigZag=LastZigZag; OldPreviousZigZag=PreviousZigZag; } if (OldLastZigZag!=LastZigZag || OldPreviousZigZag!=PreviousZigZag) { if(OldLastZigZag<LastZigZag) Alert("#ZiGzag Pointer Uptrend starting on ",Symbol(),Period()); if(OldLastZigZag<LastZigZag) SendMail("#ZiGzag Pointer Uptrend starting on ",Symbol(),Period()); OldLastZigZag=LastZigZag; OldPreviousZigZag=PreviousZigZag; } } } //end//
Sample
Analysis
Market Information Used:
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It sends emails