//+------------------------------------------------------------------+
//| OsHMA.mq4 |
//| Copyright © 2009, Meta Quotes & sealdo |
//| sealdo@yandex.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2009, Meta Quotes & sealdo"
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_separate_window
//#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 DarkOrchid
#property indicator_width1 2
//---- indicator parameters
extern int FastHMA = 12;
extern int SlowHMA = 26;
//---- indicator buffers
double OsmaBuffer[];
double PreHMA1[];
double PreHMA2[];
//+------------------------------------------------------------------+
int pF, pS;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- 4 additional buffers are used for counting.
IndicatorBuffers(3);
//---- drawing settings
SetIndexStyle(0,DRAW_HISTOGRAM);
//SetIndexDrawBegin(0,SignalSMA);
IndicatorDigits(Digits+2);
//---- 5 indicator buffers mapping
SetIndexBuffer(0,OsmaBuffer);
SetIndexBuffer(1,PreHMA1);
SetIndexBuffer(2,PreHMA2);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("OsHMA("+FastHMA+","+SlowHMA+")");
pF = MathSqrt(FastHMA);
pS = MathSqrt(SlowHMA);
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
double WMA(int x, int p) {
return(iMA(NULL, 0, p, 0, MODE_LWMA, PRICE_CLOSE, x));
}
//+------------------------------------------------------------------+
//| Moving Average of Oscillator |
//+------------------------------------------------------------------+
int start()
{
int limit;
int counted_bars=IndicatorCounted();
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
//---- preparing the HMA
for(int i=0; i<limit; i++) {
PreHMA1[i] = 2*WMA(i, FastHMA/2) - WMA(i, FastHMA);
PreHMA2[i] = 2*WMA(i, SlowHMA/2) - WMA(i, SlowHMA);
}
//---- macd counted in the 1-st additional buffer
for(i=0; i<limit; i++)
OsmaBuffer[i]= iMAOnArray(PreHMA1, 0, pF, 0, MODE_LWMA, i) - iMAOnArray(PreHMA2, 0, pS, 0, MODE_LWMA, i);
//---- done
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: