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2008-06-06 19:10
2007-10-21 09:33
2006-07-01 11:38
//+------------------------------------------------------------------+
//|                                                          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 **uffer;
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, **uffer);  //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++) **uffer[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(max0) 
      counted_bars--;
   
   //K
   if(counted_bars>=draw_begin_K)
      i=Bars-counted_bars-1;
   else
      i=Bars-draw_begin_K-1;
   while(i>=0)
   {
      KBuffer = (RSV + (KPeriod-1)*KBuffer[i+1] ) / KPeriod;    //k
      i --;
   }
   //J
   if(counted_bars>=draw_begin_D)
      i=Bars-counted_bars-1;
   else
      i=Bars-draw_begin_D-1;
   while(i>=0)
   {
		DBuffer = (1* KBuffer + (DPeriod-1)*DBuffer[i+1] ) / DPeriod;    //D
		**uffer=3*KBuffer-2*DBuffer;
		
      i--;
   }
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
[ 本帖最后由 raidsan 于 2006-7-1 19:33 编辑 ] 
2006-07-01 11:32






