www.pudn.com > RedbinaryoptionsDL.zip > Keltner_Channel_BO.mq4, change:2013-06-30,size:3080b


//+------------------------------------------------------------------+ 
//|                                          _My Keltner Channel.mq4 | 
//|                         Copyright ゥ 2008, Winning Software Corp. | 
//|                                   http://www.winningsoftware.com | 
//+------------------------------------------------------------------+ 
#property copyright "Copyright ゥ 2008, Winning Software Corp." 
#property link      "http://www.winningsoftware.com" 
#property indicator_chart_window 
#property indicator_buffers 3 
#property indicator_color1 LightGray 
#property indicator_color2 White 
#property indicator_color3 LightGray 
//---- input parameters 
extern int       TimeFrame = 0; 
extern int       Length    = 21; 
extern int       MA_Type   = 0; 
extern int       Shift     = 0; 
extern int       Price     = 0; 
extern double    TimesATR  = 4.0; 
//---- buffers 
double ExtMapBuffer1[]; 
double ExtMapBuffer2[]; 
double ExtMapBuffer3[]; 
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function                         | 
//+------------------------------------------------------------------+ 
int init() 
  { 
//---- indicators 
   SetIndexStyle ( 0, DRAW_LINE, STYLE_DOT ); 
   SetIndexBuffer( 0, ExtMapBuffer1 ); 
   SetIndexStyle ( 1, DRAW_LINE, STYLE_DOT ); 
   SetIndexBuffer( 1, ExtMapBuffer2 ); 
   SetIndexStyle ( 2, DRAW_LINE, STYLE_DOT ); 
   SetIndexBuffer( 2, ExtMapBuffer3 ); 
   SetIndexLabel ( 0, Length + " KChanUp" ); 
   SetIndexLabel ( 1, Length + " KChanMid"); 
   SetIndexLabel ( 2, Length + " KChanLow"); 
//---- 
   return(0); 
  } 
//+------------------------------------------------------------------+ 
//| Custom indicator deinitialization function                       | 
//+------------------------------------------------------------------+ 
int deinit() 
  { 
//---- 
//---- 
   return(0); 
  } 
//+------------------------------------------------------------------+ 
//| Custom indicator iteration function                              | 
//+------------------------------------------------------------------+ 
int start() 
  { 
   int    counted_bars = IndicatorCounted(); 
   int    limit        = Bars - counted_bars; 
   int    i = 0; 
//----Check for possible errors 
   if ( counted_bars < 0 ) return ( -1 ); 
//----Last counted bar will be recounted 
   if ( counted_bars > 0 ) counted_bars-- ; 
   double MA = 0;     
   double ATR =0; iATR ( NULL, TimeFrame, Length, i ); 
//---Main calculation Loop 
   for (i = 0; i < limit; i++ ) 
       {  
         MA  = iMA ( NULL, TimeFrame, Length, Shift, MA_Type, Price, i ); 
         ATR = iATR( NULL, TimeFrame, Length, i ); 
         ExtMapBuffer1[i] = MA + ATR * TimesATR ; 
         ExtMapBuffer2[i] = MA; 
         ExtMapBuffer3[i] = MA - ATR * TimesATR ; 
       }                          
    
   return(0); 
  } 
//+------------------------------------------------------------------+

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