ma_MA_Slope_SigMA_roc

//+------------------------------------------------------------------+
//|                                        ma_MA_Slope_smz_roc.mq4  |
//|                                                                  |
//+------------------------------------------------------------------+
// ma roc sig ma

#property copyright ""
#property link      ""

#property indicator_separate_window
#property indicator_buffers    2
#property indicator_color1     Blue
#property indicator_color2     DodgerBlue //

// #property indicator_width1     2
   #property indicator_width2     2



extern int MA_Period      = 21;
extern int MA_Mode        = 1;
extern int MA_Price       = 0;

extern int roc_length      = 1;

extern int      SigMA_Period  = 11;
extern int      SigMA_Mode    = 1;


double buffer1[];
double buffer11[];
double buffer12[];

//+------------------------------------------------------------------+


int init()
{
   IndicatorBuffers(3);

   SetIndexBuffer(2,buffer1);
   SetIndexBuffer(0,buffer11);
   SetIndexBuffer(1,buffer12);
  

   SetIndexLabel(0,"MA1 "+MA_Period+" roc");
   SetIndexLabel(1,"MA1rocSigMA "+SigMA_Period+"");

   IndicatorShortName("MA roc ("+MA_Period+") SigMA ("+SigMA_Period+") ");


   return(0);
}

//---

int deinit()
{
   return(0);
}

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+


int start()
{
   int counted_bars=IndicatorCounted();
   int limit,i;
   
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
           limit=Bars-counted_bars;
//limit=MathMax(limit,SigMA_Period);


   for(i=limit; i>=0; i--)

   buffer1[i] =iMA(NULL,0,MA_Period,0,MA_Mode,MA_Price,i);
   
     for(i=limit; i>=0; i--)
      {
  
      if (buffer1[i]!=0)
      buffer11[i] =   (buffer1[i]-buffer1[i+roc_length])/(buffer1[i]);

       }  

   
   for(i=limit; i>=0; i--)
  
      buffer12[i] = iMAOnArray(buffer11,0,SigMA_Period,0,SigMA_Mode,i);
     
    


   return(0);
}