//+------------------------------------------------------------------+
//| Trix of log of a price.mq4 |
//| |
//+------------------------------------------------------------------+
#property copyright "copyleft mladen"
#property link "mladenfx@gmail.com"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 DimGray
#property indicator_color2 DarkOrange
#property indicator_style1 STYLE_DOT
//
//
//
//
//
extern int TrixPeriod = 9;
extern int TrixPrice = PRICE_CLOSE;
//
//
//
//
//
double TrixBuffer[];
double ZeroBuffer[];
double EmaBuffer1[];
double EmaBuffer2[];
double EmaBuffer3[];
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(5);
SetIndexBuffer(0,ZeroBuffer);
SetIndexBuffer(1,TrixBuffer);
SetIndexBuffer(2,EmaBuffer1);
SetIndexBuffer(3,EmaBuffer2);
SetIndexBuffer(4,EmaBuffer3);
IndicatorShortName("Trix ("+TrixPeriod+")");
return(0);
}
//
//
//
//
//
int start()
{
double alpha = 2.0/(1.0+TrixPeriod);
int counted_bars=IndicatorCounted();
if(counted_bars < 0) return(-1);
if(counted_bars>0) counted_bars--;
int limit = Bars-counted_bars;
//
//
//
//
//
for(int i=limit; i>=0; i--)
{
double price = MathLog(iMA(NULL,0,1,0,MODE_SMA,TrixPrice,i));
EmaBuffer1[i] = EmaBuffer1[i+1]+alpha*(price -EmaBuffer1[i+1]);
EmaBuffer2[i] = EmaBuffer2[i+1]+alpha*(EmaBuffer1[i]-EmaBuffer2[i+1]);
EmaBuffer3[i] = EmaBuffer3[i+1]+alpha*(EmaBuffer2[i]-EmaBuffer3[i+1]);
TrixBuffer[i] = (EmaBuffer3[i]-EmaBuffer3[i+1])*10000;
ZeroBuffer[i] = 0;
}
return(0);
}
Sample
Analysis
Market Information Used:
Indicator Curves created:
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: