Indicator start point

#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Yellow
//---- input parameters
extern int       bbPeriod    =          10;
extern int       bbDeviation =           2;
extern int       bbPrice     =           PRICE_CLOSE;
int windowhandle;
double Bandwidth[];
string windowname;
int ExtCountedBars=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   windowname=StringConcatenate("Bandwidth - Period=",bbPeriod);
   IndicatorShortName(windowname);   
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,Bandwidth);
   SetIndexLabel(0,"Bandwidth");
   IndicatorDigits(Digits+1);
   SetIndexDrawBegin(0,10);
   windowhandle=WindowFind(windowname);
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
 
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   double bbUpper, bbLower, bbMiddle;
   //Bar stuff
   if(Bars<=10) return(0);
   ExtCountedBars=IndicatorCounted();
//---- check for possible errors
   if (ExtCountedBars<0) return(-1);
//---- last counted bar will be recounted
   if (ExtCountedBars>0) ExtCountedBars--;
   int pos=Bars-ExtCountedBars-1;
   while(pos>=0)
     {      
      bbUpper=iBands(NULL,0,bbPeriod,bbDeviation,0,bbPrice,MODE_UPPER,pos);
      bbLower=iBands(NULL,0,bbPeriod,bbDeviation,0,bbPrice,MODE_LOWER,pos);
      bbMiddle=iBands(NULL,0,bbPeriod,bbDeviation,0,bbPrice,0,pos);
      Bandwidth[pos]=((bbUpper-bbLower)/bbMiddle)*100; 
      pos--;
      }
   return(0);
  }

Quoting CodeMeister

Disliked

I think you need to learn the functionality of IndicatorCounted(). Once this is done, you will realize that the indicator only processes the minimum number of bars necessary. It will indeed process every bar when necessary - for example when it is first loaded.

Ignored

 
int start()
  {
   double bbUpper, bbLower, bbMiddle;
 
   int limit;
 
   int counted_bars=IndicatorCounted();
//---- 
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
 
//----
   for(int i=0; i<limit; i++)
     {      
      bbUpper=iBands(NULL,0,bbPeriod,bbDeviation,0,bbPrice,MODE_UPPER,i);
      bbLower=iBands(NULL,0,bbPeriod,bbDeviation,0,bbPrice,MODE_LOWER,i);
      bbMiddle=iBands(NULL,0,bbPeriod,bbDeviation,0,bbPrice,0,i);
      Bandwidth[i]=((bbUpper-bbLower)/bbMiddle)*100; 
      }
   return(0);
  }

Quoting hayseed

Disliked

hey non d....... try this......h

[code]
int start()...

Ignored

Quoting hayseed

Disliked

does it still lag....... just checked, it appears to plot to last bar.....h

Ignored

limit=Bars-counted_bars-1;

limit=Bars-counted_bars;