Files
2021-04-28 17:27:12 +02:00

139 lines
5.3 KiB
Plaintext

//+------------------------------------------------------------------+
//| TRIX.mq5 |
//| Copyright 2009-2017, MetaQuotes Software Corp. |
//| http://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "2009-2017, MetaQuotes Software Corp."
#property link "http://www.mql5.com"
#property description "Triple Exponential Average"
#include <MovingAverages.mqh>
//--- indicator settings
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_plots 1
#property indicator_type1 DRAW_LINE
#property indicator_color1 Red
#property indicator_width1 1
#property indicator_label1 "TRIX"
#property indicator_applied_price PRICE_CLOSE
//--- input parameters
input int InpPeriodEMA=14; // EMA period
input ENUM_APPLIED_PRICE InpAppliedPrice=PRICE_CLOSE; // Applied price
//--- indicator buffers
double TRIX_Buffer[];
double EMA[];
double SecondEMA[];
double ThirdEMA[];
//
#include <AZ-INVEST/CustomBarConfig.mqh>
//
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
void OnInit()
{
//--- indicator buffers mapping
SetIndexBuffer(0,TRIX_Buffer,INDICATOR_DATA);
SetIndexBuffer(1,EMA,INDICATOR_CALCULATIONS);
SetIndexBuffer(2,SecondEMA,INDICATOR_CALCULATIONS);
SetIndexBuffer(3,ThirdEMA,INDICATOR_CALCULATIONS);
//--- sets first bar from what index will be drawn
PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,3*InpPeriodEMA-3);
//--- name for index label
PlotIndexSetString(0,PLOT_LABEL,"TRIX("+string(InpPeriodEMA)+")");
//--- name for indicator label
IndicatorSetString(INDICATOR_SHORTNAME,"TRIX("+string(InpPeriodEMA)+")");
//--- indicator digits
IndicatorSetInteger(INDICATOR_DIGITS,5);
//--- initialization done
customChartIndicator.SetUseAppliedPriceFlag(InpAppliedPrice);
}
//+------------------------------------------------------------------+
//| Triple Exponential Average |
//+------------------------------------------------------------------+
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[])
{
//--- check for data
if(rates_total<3*InpPeriodEMA-3)
return(0);
//---
//
// Process data through MedianRenko indicator
//
if(!customChartIndicator.OnCalculate(rates_total,prev_calculated,time,close))
return(0);
if(!customChartIndicator.BufferSynchronizationCheck(close))
return(0);
//
// Make the following modifications in the code below:
//
// customChartIndicator.GetPrevCalculated() should be used instead of prev_calculated
//
// customChartIndicator.Open[] should be used instead of open[]
// customChartIndicator.Low[] should be used instead of low[]
// customChartIndicator.High[] should be used instead of high[]
// customChartIndicator.Close[] should be used instead of close[]
//
// customChartIndicator.IsNewBar (true/false) informs you if a renko brick completed
//
// customChartIndicator.Time[] shold be used instead of Time[] for checking the renko bar time.
// (!) customChartIndicator.SetGetTimeFlag() must be called in OnInit() for customChartIndicator.Time[] to be used
//
// customChartIndicator.Tick_volume[] should be used instead of TickVolume[]
// customChartIndicator.Real_volume[] should be used instead of Volume[]
// (!) customChartIndicator.SetGetVolumesFlag() must be called in OnInit() for Tick_volume[] & Real_volume[] to be used
//
// customChartIndicator.Price[] should be used instead of Price[]
// (!) customChartIndicator.SetUseAppliedPriceFlag(ENUM_APPLIED_PRICE _applied_price) must be called in OnInit() for customChartIndicator.Price[] to be used
//
int _prev_calculated = customChartIndicator.GetPrevCalculated();
//
//
//
int limit;
if(_prev_calculated==0)
{
limit=3*(InpPeriodEMA-1);
for(int i=0;i<limit;i++)
TRIX_Buffer[i]=EMPTY_VALUE;
}
else limit=_prev_calculated-1;
//--- calculate EMA
ExponentialMAOnBuffer(rates_total,_prev_calculated,0,InpPeriodEMA,customChartIndicator.Price,EMA);
//--- calculate EMA on EMA array
ExponentialMAOnBuffer(rates_total,_prev_calculated,InpPeriodEMA-1,InpPeriodEMA,EMA,SecondEMA);
//--- calculate EMA on EMA array on EMA array
ExponentialMAOnBuffer(rates_total,_prev_calculated,2*InpPeriodEMA-2,InpPeriodEMA,SecondEMA,ThirdEMA);
//--- calculate TRIX
for(int i=limit;i<rates_total && !IsStopped();i++)
{
if(ThirdEMA[i-1]!=0.0)
TRIX_Buffer[i]=(ThirdEMA[i]-ThirdEMA[i-1])/ThirdEMA[i-1];
else
TRIX_Buffer[i]=0.0;
}
//--- OnCalculate done. Return new prev_calculated.
return(rates_total);
}
//+------------------------------------------------------------------+