Bonjour,

J’aurais besoin de convertir cet indicateur de MT4, Slope Direction Line  qui est une moyenne mobile. Vous remerciant par avance.

Voici le code:

//| HMA.mq4
//| Copyright © 2006 WizardSerg <wizardserg@mail.ru>, ?? ??????? ForexMagazine #104
//| wizardserg@mail.ru
//| Revised by IgorAD,igorad2003@yahoo.co.uk |
//| Personalized by iGoR AKA FXiGoR for the Trend Slope Trading method (T_S_T)
//| Link:
//| contact: thefuturemaster@hotmail.com
//+——————————————————————+
#property copyright “MT4 release WizardSerg <wizardserg@mail.ru>, ?? ??????? ForexMagazine #104”
#property link “wizardserg@mail.ru”

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 LightBlue
#property indicator_color2 Tomato
//—- input parameters
extern int period=80;
extern int method=3; // MODE_SMA
extern int price=0; // PRICE_CLOSE
//—- buffers
double Uptrend[];
double Dntrend[];
double ExtMapBuffer[];

//+——————————————————————+
//| Custom indicator initialization function |
//+——————————————————————+
int init()
{
IndicatorBuffers(3);
SetIndexBuffer(0, Uptrend);
//ArraySetAsSeries(Uptrend, true);
SetIndexBuffer(1, Dntrend);
//ArraySetAsSeries(Dntrend, true);
SetIndexBuffer(2, ExtMapBuffer);
ArraySetAsSeries(ExtMapBuffer, true);

SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);

IndicatorShortName(“Slope Direction Line(“+period+”)”);
return(0);
}

//+——————————————————————+
//| Custor indicator deinitialization function |
//+——————————————————————+
int deinit()
{
// ???? ????? ?????? ??????
return(0);
}

//+——————————————————————+
//| ?????????? ??????? |
//+——————————————————————+
double WMA(int x, int p)
{
return(iMA(NULL, 0, p, 0, method, price, x));
}

//+——————————————————————+
//| Custom indicator iteration function |
//+——————————————————————+
int start()
{
int counted_bars = IndicatorCounted();

if(counted_bars < 0)
return(-1);

int x = 0;
int p = MathSqrt(period);
int e = Bars – counted_bars + period + 1;

double vect[], trend[];

if(e > Bars)
e = Bars;

ArrayResize(vect, e);
ArraySetAsSeries(vect, true);
ArrayResize(trend, e);
ArraySetAsSeries(trend, true);

for(x = 0; x < e; x++)
{
vect[x] = 2*WMA(x, period/2) – WMA(x, period);
// Print(“Bar date/time: “, TimeToStr(Time[x]), ” close: “, Close[x], ” vect[“, x, “] = “, vect[x], ” 2*WMA(p/2) = “, 2*WMA(x, period/2), ” WMA(p) = “, WMA(x, period));
}

for(x = 0; x < e-period; x++)

ExtMapBuffer[x] = iMAOnArray(vect, 0, p, 0, method, x);

for(x = e-period; x >= 0; x–)
{
trend[x] = trend[x+1];
if (ExtMapBuffer[x]> ExtMapBuffer[x+1]) trend[x] =1;
if (ExtMapBuffer[x]< ExtMapBuffer[x+1]) trend[x] =-1;

if (trend[x]>0)
{ Uptrend[x] = ExtMapBuffer[x];
if (trend[x+1]<0) Uptrend[x+1]=ExtMapBuffer[x+1];
Dntrend[x] = EMPTY_VALUE;
}
else
if (trend[x]<0)
{
Dntrend[x] = ExtMapBuffer[x];
if (trend[x+1]>0) Dntrend[x+1]=ExtMapBuffer[x+1];
Uptrend[x] = EMPTY_VALUE;
}

//Print( ” trend=”,trend[x]);
}

return(0);