Keltner Channels

[Forex Trader]

Hi Everyone I'm new to MT.

Could someone help me with these Keltner Channels?

They don't plot all.....lines?

Thanks in advanced, appridiated!

Maurice

P.S. Attachment is a picture from another platform....

//+------------------------------------------------------------------+
//| Keltner Channels.mq4 |
//| Coded by Gilani |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
#property indicator_chart_window
#property indicator_buffers 5
#property indicator_color1 Black
#property indicator_color2 DimGray
#property indicator_color3 Red
#property indicator_color4 DimGray
#property indicator_color5 Black

double upper2[], upper1[], middle[], lower1[], lower2[];
extern int period = 20;

int init()
{
SetIndexStyle(1,DRAW_LINE);
SetIndexShift(2,0);
SetIndexDrawBegin(1,0);
SetIndexBuffer(1,upper2);

SetIndexStyle(2,DRAW_LINE);
SetIndexShift(1,0);
SetIndexDrawBegin(2,0);
SetIndexBuffer(2,upper1);

SetIndexStyle(3,DRAW_LINE);
SetIndexShift(0,0);
SetIndexDrawBegin(3,0);
SetIndexBuffer(3,middle);

SetIndexStyle(4,DRAW_LINE);
SetIndexShift(-1,0);
SetIndexDrawBegin(4,0);
SetIndexBuffer(4,lower1);

SetIndexStyle(5,DRAW_LINE);
SetIndexShift(-2,0);
SetIndexDrawBegin(5,0);
SetIndexBuffer(5,lower2);

return(0);
}
int deinit(){return(0);}
int start() {
int limit;
int counted_bars=IndicatorCounted();
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;

double avg;

for(int x=0; x<limit; x++) {
middle[x] = iMA(NULL, 0, period, 0, MODE_SMA, PRICE_CLOSE, x);
avg = findAvg(period, x);
upper2[x] = middle[x] + avg;
upper1[x] = middle[x] + avg;
lower1[x] = middle[x] - avg;
lower2[x] = middle[x] - avg;
}
return(0);
}
//+------------------------------------------------------------------+

double findAvg(int period, int shift) {
double sum=0;
for (int x=shift;x<(shift+period);x++) {
sum += High[x]-Low[x];
}
sum = sum/period;
return (sum);
}

[Forex Trader]

Picture