//+------------------------------------------------------------------+ //| FN Signal.mq4 | //| Belomor | //| belomor@inbox.ru | //+------------------------------------------------------------------+ #property copyright "Belomor" #property link "belomor@inbox.ru" #property indicator_separate_window #property indicator_buffers 3 #property indicator_color1 Green #property indicator_color2 Red #property indicator_color3 Silver //---- input parameters extern int FN=34; extern double Deviation=3.0; extern int FastEMA=5; extern int SlowEMA=13; //---- buffers double ExtMapBuffer1[]; double ExtMapBuffer2[]; double ExtMapBuffer3[]; double ExtMapBuffer4[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators IndicatorBuffers(4); SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,3); SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID,3); SetIndexStyle(2,DRAW_LINE,STYLE_DOT); SetIndexBuffer(1,ExtMapBuffer2); SetIndexBuffer(0,ExtMapBuffer1); SetIndexBuffer(2,ExtMapBuffer3); SetIndexBuffer(3,ExtMapBuffer4); if(FN<2) FN=2; if(Deviation<0) Deviation=1; if(FastEMA<1) FastEMA=1; if(SlowEMA<1) SlowEMA=1; IndicatorShortName("FNCD ("+FN+","+FastEMA+","+SlowEMA+")"); SetIndexDrawBegin(0,FN+SlowEMA); SetIndexDrawBegin(1,FN+SlowEMA); SetIndexLabel(0,"FN Up"); SetIndexLabel(1,"FN Down"); SetIndexEmptyValue(0,0); SetIndexEmptyValue(1,0); IndicatorDigits(4); //---- return(0); } double NormalizedX(int F_period, int i) { double result; double A; double S; double C; if(i0) { X=NormalizedX(F_period,i)/Dev; if(X>0.99) X=0.99; if(X<-0.99) X=-0.99; result=0.5*MathLog((1+X)/(1-X)); } else result=0; return(result); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int limit; int counted_bars=IndicatorCounted(); //---- check for possible errors if(counted_bars<0) return(-1); //---- last counted bar will be recounted if(counted_bars>0) counted_bars--; limit=Bars-counted_bars; for(int i=0; iExtMapBuffer3[i]) { ExtMapBuffer1[i]=iMAOnArray(ExtMapBuffer4,Bars,FastEMA,0,MODE_EMA,i); ExtMapBuffer2[i]=0; } else { ExtMapBuffer1[i]=0; ExtMapBuffer2[i]=iMAOnArray(ExtMapBuffer4,Bars,FastEMA,0,MODE_EMA,i); } } //---- done return(0); } //+------------------------------------------------------------------+