input int AtrPeriod = 22; // Atr period
input double AtrMultiplier1 = 3.0; // Atr 1st multiplier
input double AtrMultiplier2 = 4.5; // Atr 2nd multiplier
input int LookBackPeriod = 22; // Look-back period
#property indicator_chart_window
#property indicator_buffers 8
#property indicator_plots 8
#property indicator_type1 DRAW_LINE
#property indicator_color1 clrDeepSkyBlue
#property indicator_style1 STYLE_DOT
#property indicator_type2 DRAW_LINE
#property indicator_style2 STYLE_DOT
#property indicator_color2 clrPaleVioletRed
#property indicator_type3 DRAW_LINE
#property indicator_color3 clrDeepSkyBlue
#property indicator_type4 DRAW_LINE
#property indicator_color4 clrPaleVioletRed
#property indicator_type5 DRAW_ARROW
#property indicator_color5 clrDeepSkyBlue
#property indicator_type6 DRAW_ARROW
#property indicator_color6 clrPaleVioletRed
#property indicator_type7 DRAW_ARROW
#property indicator_color7 clrDeepSkyBlue
#property indicator_type8 DRAW_ARROW
#property indicator_color8 clrPaleVioletRed
//— input parameters
input int AtrPeriod = 22; // Atr period
input double AtrMultiplier1 = 3.0; // Atr 1st multiplier
input double AtrMultiplier2 = 4.5; // Atr 2nd multiplier
input int LookBackPeriod = 22; // Look-back period
double UplBuffer1[],UpdBuffer1[],DnlBuffer1[],DndBuffer1[],UplBuffer2[],UpdBuffer2[],DnlBuffer2[],DndBuffer2[];
//+——————————————————————+
//| Custom indicator initialization function |
//+——————————————————————+
int OnInit()
{
//— indicator buffers mapping
SetIndexBuffer(0,UplBuffer1,INDICATOR_DATA);
SetIndexBuffer(1,DnlBuffer1,INDICATOR_DATA);
SetIndexBuffer(2,UplBuffer2,INDICATOR_DATA);
SetIndexBuffer(3,DnlBuffer2,INDICATOR_DATA);
SetIndexBuffer(4,UpdBuffer1,INDICATOR_DATA); PlotIndexSetInteger(4,PLOT_ARROW,159);
SetIndexBuffer(5,DndBuffer1,INDICATOR_DATA); PlotIndexSetInteger(5,PLOT_ARROW,159);
SetIndexBuffer(6,UpdBuffer2,INDICATOR_DATA); PlotIndexSetInteger(6,PLOT_ARROW,159);
SetIndexBuffer(7,DndBuffer2,INDICATOR_DATA); PlotIndexSetInteger(7,PLOT_ARROW,159);
return (INIT_SUCCEEDED);
}
//
//
//
void OnDeinit(const int reason)
{
}
//+——————————————————————+
//| Work array |
//+——————————————————————+
double work[][6];
#define _hi1 0
#define _lo1 1
#define _hi2 2
#define _lo2 3
#define _trend1 4
#define _trend2 5
//+——————————————————————+
//| Custom indicator iteration function |
//+——————————————————————+
int OnCalculate(const int rates_total,const int prev_calculated,const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[])
{
if(Bars(_Symbol,_Period)<rates_total) return(prev_calculated);
if(ArrayRange(work,0)!=rates_total) ArrayResize(work,rates_total);
int i=(int)MathMax(prev_calculated-1,1); for(; i<rates_total && !_StopFlag; i++)
{
UplBuffer1[i] = UpdBuffer1[i] = DnlBuffer1[i] = DndBuffer1[i] = EMPTY_VALUE;
UplBuffer2[i] = UpdBuffer2[i] = DnlBuffer2[i] = DndBuffer2[i] = EMPTY_VALUE;
//
//——————-
//
int _start = MathMax(i-LookBackPeriod,0);
double _atr = 0; for(int k=1; k<=AtrPeriod && (i-k-1)>=0; k++) _atr += MathMax(high[i-k],close[MathMax(i-k-1,0)])- MathMin(low[i-k],close[MathMax(i-k-1,0)]); _atr/=(double)AtrPeriod;
double _max = high[ArrayMaximum(high,_start,LookBackPeriod)];
double _min = low [ArrayMinimum(low ,_start,LookBackPeriod)];
work[i][_hi1] = _max-AtrMultiplier1*_atr;
work[i][_lo1] = _min+AtrMultiplier1*_atr;
work[i][_hi2] = _max-AtrMultiplier2*_atr;
work[i][_lo2] = _min+AtrMultiplier2*_atr;
work[i][_trend1] = (i>0) ? work[i-1][_trend1] : 0;
work[i][_trend2] = (i>0) ? work[i-1][_trend2] : 0;
if(i>0)
{
if(close[i] > work[i-1][_lo1]) work[i][_trend1]= 1;
if(close[i] < work[i-1][_hi1]) work[i][_trend1]= –1;
if(close[i] > work[i-1][_lo2]) work[i][_trend2]= 1;
if(close[i] < work[i-1][_hi2]) work[i][_trend2]= –1;
if(AtrMultiplier1>0 && work[i][_trend1] == 1) { if(work[i][_hi1]<work[i-1][_hi1]) work[i][_hi1]=work[i-1][_hi1]; UplBuffer1[i] = work[i][_hi1]; if(UplBuffer1[i-1]==EMPTY_VALUE) UpdBuffer1[i]=UplBuffer1[i];}
if(AtrMultiplier1>0 && work[i][_trend1] == –1) { if(work[i][_lo1]>work[i-1][_lo1]) work[i][_lo1]=work[i-1][_lo1]; DnlBuffer1[i] = work[i][_lo1]; if(DnlBuffer1[i-1]==EMPTY_VALUE) DndBuffer1[i]=DnlBuffer1[i];}
if(AtrMultiplier2>0 && work[i][_trend2] == 1) { if(work[i][_hi2]<work[i-1][_hi2]) work[i][_hi2]=work[i-1][_hi2]; UplBuffer2[i] = work[i][_hi2]; if(UplBuffer2[i-1]==EMPTY_VALUE) UpdBuffer2[i]=UplBuffer2[i];}
if(AtrMultiplier2>0 && work[i][_trend2] == –1) { if(work[i][_lo2]>work[i-1][_lo2]) work[i][_lo2]=work[i-1][_lo2]; DnlBuffer2[i] = work[i][_lo2]; if(DnlBuffer2[i-1]==EMPTY_VALUE) DndBuffer2[i]=DnlBuffer2[i];}
}
}
return (i);
}
//+——————————————————————+
.
