envelopes_of_stochastic.mq4
envelopes_of_stochastic.mq4 FOREX MetaTrader4 Indicators Download
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envelopes_of_stochastic.mq4 Programming source code.
//---- indicator settings
#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Gray
#property indicator_color2 Blue
#property indicator_color3 Red
//---- indicator parameters
extern int StochPeriod = 14;
extern int StochSlowing = 3;
extern int Applied_Price=0;
extern int MA_Period=14;
extern int MA_Method=0;
extern double Deviation=0.1;
//---- indicator buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double stoch[];
//----
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
int draw_begin;
//---- drawing settings
if(MA_Period<2) MA_Period=14;
draw_begin=MA_Period-1;
SetIndexBuffer(0,stoch);
SetIndexBuffer(1,ExtMapBuffer1);
SetIndexBuffer(2,ExtMapBuffer2);
if(Deviation<0.1) Deviation=0.1;
if(Deviation>100.0) Deviation=100.0;
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit;
if(Bars<=MA_Period) return(0);
int ExtCountedBars=IndicatorCounted();
//---- check for possible errors
if (ExtCountedBars<0) return(-1);
//---- last counted bar will be recounted
if (ExtCountedBars>0) ExtCountedBars--;
limit=Bars-ExtCountedBars;
//---- EnvelopesM counted in the buffers
for(int i=limit; i>=0; i--) stoch[i] = iStochastic(NULL,0,StochPeriod,1,StochSlowing,MODE_SMA,Applied_Price,MODE_MAIN,i);
for( i=limit; i>=0; i--)
{
ExtMapBuffer1[i] = (1+Deviation/100)*iMAOnArray(stoch,0,MA_Period,0,MA_Method,i);
ExtMapBuffer2[i] = (1-Deviation/100)*iMAOnArray(stoch,0,MA_Period,0,MA_Method,i);
}
//---- done
return(0);
}
//+------------------------------------------------------------------+
