Price channel stop最新版

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#property copyright “mladen”
#property link “mladenfx@gmail.com”
#property description “Price channel stop”
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#property indicator_chart_window
#property indicator_buffers 7
#property indicator_plots 2
#property indicator_label1 “Price channel stop”
#property indicator_type1 DRAW_LINE
#property indicator_color1 clrPowderBlue
#property indicator_label2 “Price channel stop”
#property indicator_type2 DRAW_LINE
#property indicator_color2 clrDeepSkyBlue
#property indicator_width2 1
#property indicator_color3 clrPurple
#property indicator_width3 2
#property indicator_color4 clrGold
#property indicator_width4 2
#property indicator_color5 clrAqua
#property indicator_width5 2
#property indicator_color6 clrCrimson
#property indicator_width6 2
//— input parameters
input int inpChannelPeriod = 14; // Channel period
input double inpRisk = 0.3; // Risk
//— buffers declarations
double line[],linec[],fillu[],filld[],bsmin[],bsmax[],trend[];
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//| Custom indicator initialization function |
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int OnInit()
{
//— indicator buffers mapping
SetIndexBuffer(0,fillu);
SetIndexBuffer(1,filld);
SetIndexBuffer(2,line);
SetIndexBuffer(3,linec);
SetIndexBuffer(4,trend);
SetIndexBuffer(5,bsmin);
SetIndexBuffer(6,bsmax);

SetIndexStyle(0, DRAW_LINE, 0, 2);
SetIndexStyle(1, DRAW_LINE, 0, 2);
SetIndexStyle(2, DRAW_LINE, 0, 2);
SetIndexStyle(3, DRAW_LINE, 0, 2);
SetIndexStyle(4, DRAW_LINE, 0, 2, clrCoral);
SetIndexStyle(5, DRAW_LINE, 0, 2, clrBlue);
SetIndexStyle(6, DRAW_LINE, 0, 2, clrRed);

//— indicator short name assignment
IndicatorSetString(INDICATOR_SHORTNAME,”Price channel stop (“+(string)inpChannelPeriod+”,”+(string)inpRisk+”)”);
//—
return (INIT_SUCCEEDED);
}
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//| Custom indicator de-initialization function |
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void OnDeinit(const int reason)
{
}
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//| Custom indicator iteration function |
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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);
int i=(int)MathMax(prev_calculated-1,1); for(; i<rates_total && !_StopFlag; i++)
{
int _start=MathMax(i-inpChannelPeriod+1,0);
double smin = low[ArrayMinimum(low,_start,inpChannelPeriod)];
double smax = high[ArrayMaximum(high,_start,inpChannelPeriod)];
double mid =0.5*(smin+smax);
bsmax[i]=smax-(smax-smin)*MathMin(inpRisk,0.49);
bsmin[i]=smin+(smax-smin)*MathMin(inpRisk,0.49);
trend[i]=(i>0)? trend[i-1] : 0;
if(inpRisk>0)
{
if(close[i]>bsmax[i]) trend[i]= 1;
if(close[i]<bsmin[i]) trend[i]=-1;
}
else
{
if(i>0 && close[i]>bsmax[i-1]) trend[i]= 1;
if(i>0 && close[i]<bsmin[i-1]) trend[i]=-1;
}
if(trend[i]>0 && bsmin[i]<bsmin[i-1]) bsmin[i]=bsmin[i-1];
if(trend[i]<0 && bsmax[i]>bsmax[i-1]) bsmax[i]=bsmax[i-1];

//
//—
//

if(trend[i]>0) { filld[i]=bsmin[i]; fillu[i]=mid; }
if(trend[i]<0) { fillu[i]=mid; filld[i]=bsmax[i]; }
line[i] = filld[i];
linec[i] = trend[i] == 1 ? 0 : 1;
}
return (i);
}
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