//+----------------+
//| HMA.mq4 by Ron|
//+----------------+
/*
MetaStock Formula
period:=Input("Period",1,200,20) ;
sqrtperiod:=Input("Square Root of Period",1,20,4);
Mov(2*(Mov(C,period/2,W))-Mov(C,period,W),sqrtperiod,W);
SuperCharts Formula
Input: period (Default value 20)
waverage(2*waverage(close,period/2)-waverage(close,period), SquareRoot(Period))
Added color on direction change
*/
#property copyright "Ron Thompson"
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 LimeGreen
#property indicator_color2 Yellow
#property indicator_color3 Red
//User input
extern int HMA_Period=14;
//---- indicator buffers
double ind_buffer0[];
double ind_buffer1[];
double ind_buffer2[];
double buffer[];
int draw_begin0;
//Custom init
int init()
{
//---- indicator buffers mapping
IndicatorBuffers(4);
if( !SetIndexBuffer(0,ind_buffer0)
&& !SetIndexBuffer(1,ind_buffer1)
&& !SetIndexBuffer(2,ind_buffer2)
&& !SetIndexBuffer(3, buffer))
Print("cannot set indicator buffers!");
// ArraySetAsSeries(ind_buffer1,true);
//---- drawing settings
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);
SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,2);
draw_begin0=HMA_Period+MathFloor(MathSqrt(HMA_Period));
SetIndexDrawBegin(0,draw_begin0);
SetIndexDrawBegin(1,draw_begin0);
SetIndexDrawBegin(2,draw_begin0);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("HMA("+HMA_Period+")");
SetIndexLabel(0,"Hull Moving Average");
}
// Main Program loop
int start()
{
int limit,i;
int counted_bars=IndicatorCounted();
double tmp, tmpPrevious;
double fullMA;
double halfMA;
int fullPeriod = HMA_Period;
int halfPeriod = HMA_Period/2;
int sqrtPeriod = MathFloor(MathSqrt(HMA_Period*1.00));
//---- check for possible errors
if(counted_bars<1)
{
for(i=1;i<=draw_begin0;i++)
{
buffer[Bars-i]=0;
}
for(i=1;i<=fullPeriod;i++)
{
ind_buffer0[Bars-i]=0;
ind_buffer1[Bars-i]=0;
ind_buffer2[Bars-i]=0;
}
}// if counted
//---- last counted bar will be recounted
if(counted_bars>0)
{
counted_bars--;
}
limit=Bars-counted_bars;
//---- MA difference counted in the 1-st buffer
for(i=0; i<limit; i++)
{
halfMA=iMA(NULL,0,halfPeriod,0,MODE_LWMA,PRICE_CLOSE,i)*2;
fullMA=iMA(NULL,0,fullPeriod,0,MODE_LWMA,PRICE_CLOSE,i);
buffer[i]=halfMA-fullMA;
}
//---- HMA counted in the 0-th buffer
tmp=iMAOnArray(buffer,0,MathFloor(MathSqrt(HMA_Period)),0,MODE_LWMA,0);
for(i=1; i<limit; i++)
{
tmpPrevious=iMAOnArray(buffer,0,MathFloor(MathSqrt(HMA_Period)),0,MODE_LWMA,i);
if (tmpPrevious > tmp)
{
ind_buffer0[i] = EMPTY_VALUE;
ind_buffer1[i] = EMPTY_VALUE;
ind_buffer2[i] = tmpPrevious;
ind_buffer2[i-1] = tmp; // !
}
else if (tmpPrevious < tmp)
{
ind_buffer0[i] = tmpPrevious;
ind_buffer0[i-1] = tmp; // !
ind_buffer1[i] = EMPTY_VALUE;
ind_buffer2[i] = EMPTY_VALUE;
}
else
{
ind_buffer0[i] = CLR_NONE;
ind_buffer1[i] = tmpPrevious;
ind_buffer2[i-1] = tmp; // !
ind_buffer2[i] = CLR_NONE;
}
tmp = tmpPrevious;
}//for
}
Sample
Analysis
Market Information Used:
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: