//+------------------------------------------------------------------+
//| WildersDMI_v1.1.mq4 |
//| Copyright © 2007-08, TrendLaboratory Ltd. |
//| http://finance.groups.yahoo.com/group/TrendLaboratory |
//| E-mail: igorad2004@list.ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007-08, TrendLaboratory Ltd."
#property link "http://finance.groups.yahoo.com/group/TrendLaboratory"
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 LightBlue
#property indicator_width1 2
#property indicator_color2 Lime
#property indicator_width2 1
#property indicator_style2 2
#property indicator_color3 Tomato
#property indicator_width3 1
#property indicator_style3 2
#property indicator_color4 Orange
#property indicator_width4 2
#property indicator_level1 20
//---- input parameters
extern int MA_Length = 1; // Period of additional smoothing
extern int DMI_Length = 14; // Period of DMI
extern int ADX_Length = 14; // Period of ADX
extern int ADXR_Length = 14; // Period of ADXR
extern int UseADX = 0; // Use ADX: 0-off,1-on
extern int UseADXR = 0; // Use ADXR: 0-off,1-on
//---- buffers
double ADX[];
double PDI[];
double MDI[];
double ADXR[];
double sPDI[];
double sMDI[];
double STR[];
double DX[];
int len;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(8);
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,ADX);
SetIndexStyle(1,DRAW_LINE);
SetIndexBuffer(1,PDI);
SetIndexStyle(2,DRAW_LINE);
SetIndexBuffer(2,MDI);
SetIndexStyle(3,DRAW_LINE);
SetIndexBuffer(3,ADXR);
SetIndexBuffer(4,sPDI);
SetIndexBuffer(5,sMDI);
SetIndexBuffer(6,STR);
SetIndexBuffer(7,DX);
//---- name for DataWindow and indicator subwindow label
string short_name="WildersDMI_v1.1("+MA_Length+","+DMI_Length+","+ADX_Length+","+ADXR_Length+")";
IndicatorShortName(short_name);
SetIndexLabel(0,"ADX");
SetIndexLabel(1,"+DI");
SetIndexLabel(2,"-DI");
SetIndexLabel(3,"ADXR");
//----
len = DMI_Length + MA_Length + 1;
SetIndexDrawBegin(0,len);
SetIndexDrawBegin(1,len);
SetIndexDrawBegin(2,len);
SetIndexDrawBegin(3,len);
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int i,shift,limit,counted_bars=IndicatorCounted();
double alfa1 = 1.0/DMI_Length;
double alfa2 = 1.0/ADX_Length;
double Bulls, Bears, TR = 0;
//----
if (counted_bars < 0) return(-1);
if(counted_bars<1)
for(i=1;i<=MA_Length;i++)
{
PDI[Bars-i]=0.0;
MDI[Bars-i]=0.0;
ADX[Bars-i]=0.0;
sPDI[Bars-i]=0.0;
sMDI[Bars-i]=0.0;
DX[Bars-i]=0.0;
STR[Bars-i]=0.0;
ADXR[Bars-i]=0.0;
}
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
for(shift=limit;shift>=0;shift--)
{
double AvgHigh = iMA(NULL,0,MA_Length,0,1,PRICE_HIGH,shift);
double AvgHigh1 = iMA(NULL,0,MA_Length,0,1,PRICE_HIGH,shift+1);
double AvgLow = iMA(NULL,0,MA_Length,0,1,PRICE_LOW,shift);
double AvgLow1 = iMA(NULL,0,MA_Length,0,1,PRICE_LOW,shift+1);
double AvgClose1= iMA(NULL,0,MA_Length,0,1,PRICE_CLOSE,shift+1);
if (AvgHigh >= AvgHigh1) Bulls = 0.5*(MathAbs(AvgHigh-AvgHigh1)+(AvgHigh-AvgHigh1));
else Bulls = 0;
if (AvgLow <= AvgLow1 ) Bears = 0.5*(MathAbs(AvgLow1-AvgLow)+(AvgLow1-AvgLow));
else Bears = 0;
if (Bulls > Bears) Bears = 0;
else
if (Bulls < Bears) Bulls = 0;
else
if (Bulls == Bears) {Bulls = 0;Bears = 0;}
TR = MathMax(AvgHigh-AvgLow,AvgHigh-AvgClose1);
TR = MathMax(TR,AvgClose1 - AvgLow);
if(shift <= Bars - MA_Length - 1 && shift >= Bars - len - 1)
{
sPDI[shift] += Bulls;
sMDI[shift] += Bears;
STR[shift] += TR;
if(shift == Bars - len - 1)
{
sPDI[shift] = Bulls/DMI_Length;
sMDI[shift] = Bears/DMI_Length;
STR[shift] = TR/DMI_Length;
}
}
else
if(shift < Bars - len - 1)
{
sPDI[shift] = sPDI[shift+1] + alfa1 * (Bulls - sPDI[shift+1]);
sMDI[shift] = sMDI[shift+1] + alfa1 * (Bears - sMDI[shift+1]);
STR[shift] = STR[shift+1] + alfa1 * (TR - STR[shift+1]);
if(STR[shift] != 0)
{
PDI[shift] = 100*sPDI[shift]/STR[shift];
MDI[shift] = 100*sMDI[shift]/STR[shift];
}
else
{
PDI[shift] = 0;
MDI[shift] = 0;
}
if(UseADX > 0)
{
if((PDI[shift] + MDI[shift]) != 0)
DX[shift] = 100*MathAbs(PDI[shift] - MDI[shift])/(PDI[shift] + MDI[shift]);
else DX[shift] = 0;
ADX[shift] = ADX[shift+1] + alfa2 * (DX[shift] - ADX[shift+1]);
if(UseADXR >0) ADXR[shift] = 0.5*(ADX[shift] + ADX[shift+ADXR_Length]);
}
}
}
//----
return(0);
}
//+------------------------------------------------------------------+
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: