TDCD_TemaDema_rlh

//+------------------------------------------------------------------+
//|                                                       TEMA_RLH   |
//|                                    Copyright © 2006, Robert Hill |
//|                                       http://www.metaquotes.net/ |
//|                                                                  |
//| Based on the formula developed by Patrick Mulloy                 |
//|                                                                  |
//| It can be used in place of EMA or to smooth other indicators.    |
//|                                                                  |
//| TEMA = 3 * EMA - 3 * (EMA of EMA) + EMA of EMA of EMA            |
//|                                                                  |
//|  Red is EMA, Green is EMA of EMA, Yellow is Ema of Ema of Ema    |
//|  Aqua is TEMA                                                    |
//|                                                                  |
//+------------------------------------------------------------------+
//mod2009fxtsd    tdcd (tema-dema)
#property  copyright "Copyright © 2006, Robert Hill "
#property  link      "http://www.metaquotes.net/"
//---- indicator settings
#property  indicator_separate_window
#property  indicator_buffers 2
#property  indicator_color1  Blue
#property  indicator_color2  DodgerBlue


#property  indicator_width1  1
#property  indicator_width2  1


//----
extern int EMA_Period =14;
extern int temaSigLperiod =14;
//---- buffer
double Ema[];
double EmaOfEma[];
double EmaOfEmaOfEma[];
double Dema[];
double Tema[];
double tdcd[];
double Temasln[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   IndicatorBuffers(7); 
//---- drawing settings
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexDrawBegin(0,EMA_Period);
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2);
//---- 3 indicator buffers mapping
   if(!SetIndexBuffer(6,Ema) &&
      !SetIndexBuffer(5,EmaOfEma) &&
      !SetIndexBuffer(4,EmaOfEmaOfEma) &&
      !SetIndexBuffer(3,Dema)&&
      !SetIndexBuffer(2,Tema)&&
      !SetIndexBuffer(1,tdcd)&&
      !SetIndexBuffer(0,Temasln))
      Print("cannot set indicator buffers!");
   //   if(!SetIndexBuffer(0,Tema) )
   //      Print("cannot set indicator buffers!");
//---- name for DataWindow and indicator subwindow label
   IndicatorShortName("TDCD("+EMA_Period+")");
//      Tema[i]=3 * Ema[i] - 3 * EmaOfEma[i] + EmaOfEmaOfEma[i];

   SetIndexLabel(0,"tdcd sln");
   SetIndexLabel(1,"tdcd ");



//---- initialization done
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start()
  {
   int i, limit;
   int    counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;

   for(i=limit; i>=0; i--)
      Ema[i]=iMA(NULL,0,EMA_Period,0,MODE_EMA,PRICE_CLOSE,i);
   for(i=limit; i >=0; i--)
      EmaOfEma[i]=iMAOnArray(Ema,Bars,EMA_Period,0,MODE_EMA,i);

   for(i=limit; i >=0; i--)
      EmaOfEmaOfEma[i]=iMAOnArray(EmaOfEma,Bars,EMA_Period,0,MODE_EMA,i);
   //==========             

   for(i=limit; i >=0; i--)
      Dema[i]=2 * Ema[i] - EmaOfEma[i];


   for(i=limit; i >=0; i--)
   {
   Tema[i]=3 * Ema[i] - 3 * EmaOfEma[i] + EmaOfEmaOfEma[i];
   tdcd [i]=Tema[i]-Dema[i];
   }
//  int  per=( EMA_Period -1)/2;
   for(i=limit; i >=0; i--)
      Temasln[i]=iMAOnArray(tdcd,Bars,temaSigLperiod,0,MODE_EMA,i);



//----
   return(0);
  }
//+------------------------------------------------------------------+