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指标 #MAMA



#MAMA指标在主图绘制均线。

#MAMA指标图表:#MAMA指标#MAMA指标源码:

//+------------------------------------------------------------------+
//|                                                        #MAMA.mq4 |
//|                                           http://forex.kbpauk.ru/|
//+------------------------------------------------------------------+
 
#property link      "http://forex.kbpauk.ru/"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Aqua 
#property indicator_color2 Chocolate

//---- input parameters
extern double FastLimit=0.5;
extern double SlowLimit=0.05;

//---- buffers
double FABuffer[];
double MABuffer[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- indicator line
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(0,FABuffer);
   SetIndexBuffer(1,MABuffer);

//---- name for DataWindow and indicator subwindow label
   short_name="#MAMA";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"#FAMA");
   SetIndexLabel(1,"#MAMA");

//----
   SetIndexDrawBegin(0,50);
   SetIndexDrawBegin(1,50);

//----
   return(0);
  }
  
 void deinit() {
  Comment("www.125808047.com");
} 
  
//+------------------------------------------------------------------+
//| #MAMA                                                            |
//+------------------------------------------------------------------+
int start()
  {
   int i,counted_bars=IndicatorCounted();


double jI, jQ, DeltaPhase, alpha; 
double Price[5],Smooth[8],Detrender[8],Q1[8],I1[8],I2[3],Q2[3];
double Re[3],Im[3],SmoothPeriod[3],Period_[3],Phase[3],MAMA[3],FAMA[3];
//----
   if(Bars<=5) return(0);

//----
   i=(Bars-counted_bars)+50;
   while(i>=0)
     {
Price[1]=((High[i]+Low[i])/2); Price[2]=((High[i+1]+Low[i+1])/2); 
Price[3]=((High[i+2]+Low[i+2])/2); Price[4]=((High[i+3]+Low[i+3])/2); 

Smooth[1] = (4*Price[1] + 3*Price[2] + 2*Price[3] + Price[4]) / 10; 
Detrender[1] = (0.0962*Smooth[1] + 0.5769*Smooth[3] - 0.5769*Smooth[5] - 0.0962*Smooth[7])*(0.075*Period_[2] + 0.54); 

// {Compute InPhase and Quadrature components} 
Q1[1] = (0.0962*Detrender[1] + 0.5769*Detrender[3] - 0.5769*Detrender[5] - 0.0962*Detrender[7])*(0.075*Period_[2] + 0.54); 
I1[1] = Detrender[4]; 

// {Advance the phase of I1 and Q1 by 90 degrees} 
jI = (0.0962*I1[1] + 0.5769*I1[3] - 0.5769*I1[5] - 0.0962*I1[7])*(0.075*Period_[2] + 0.54); 
jQ = (0.0962*Q1[1] + 0.5769*Q1[3] - 0.5769*Q1[5] - 0.0962*Q1[7])*(0.075*Period_[2] + 0.54); 

// {Phasor addition for 3 bar averaging)} 
I2[1] = I1[1] - jQ; 
Q2[1] = Q1[1] + jI; 

// {Smooth the I and Q components before applying the discriminator} 
I2[1] = 0.2*I2[1] + 0.8*I2[2]; 
Q2[1] = 0.2*Q2[1] + 0.8*Q2[2]; 

// {Homodyne Discriminator} 
Re[1] = I2[1]*I2[2] + Q2[1]*Q2[2]; 
Im[1] = I2[1]*Q2[2] - Q2[1]*I2[2]; 
Re[1] = 0.2*Re[1] + 0.8*Re[2]; 
Im[1] = 0.2*Im[1] + 0.8*Im[2]; 
if (Im[1]!=0 && Re[1]!=0) Period_ [1]= 360/MathArctan(Im[1]/Re[1]); 
if (Period_[1]>1.5*Period_[2]) Period_[1] = 1.5*Period_[2]; 
if (Period_[1]<0.67*Period_[2])Period_[1] = 0.67*Period_[2]; 
if (Period_[1]<6) Period_[1] = 6; 
if (Period_[1]>50) Period_[1] = 50; 
Period_[1] = 0.2*Period_[1] + 0.8*Period_[2]; 
SmoothPeriod[1] =0.33*Period_[1] + 0.67*SmoothPeriod[2]; 

if (I1[1] != 0) Phase[1] = (MathArctan(Q1[1] / I1[1])); 
DeltaPhase = Phase[2] - Phase[1]; 
if (DeltaPhase < 1) DeltaPhase = 1; 
alpha = FastLimit / DeltaPhase; 
if (alpha < SlowLimit)  alpha = SlowLimit; 
MAMA[1] = alpha*Price[1] + (1 - alpha)*MAMA[2]; 
FAMA[1] = 0.5*alpha*MAMA[1] + (1 - 0.5*alpha)*FAMA[2]; 


FABuffer[i]=MAMA[1];
MABuffer[i]=FAMA[1];


Smooth[7]=Smooth[5];Smooth[6]=Smooth[5];Smooth[5]=Smooth[4];Smooth[4]=Smooth[3];Smooth[3]=Smooth[2];Smooth[2]=Smooth[1]; 
Detrender[7]=Detrender[6];Detrender[6]=Detrender[5];Detrender[5]=Detrender[4];Detrender[4]=Detrender[3];Detrender[3]=Detrender[2];Detrender[2]=Detrender[1]; 
Q1[7]=Q1[6];Q1[6]=Q1[5];Q1[5]=Q1[4];Q1[4]=Q1[3];Q1[3]=Q1[2];Q1[2]=Q1[1]; 
I1[7]=I1[6];I1[6]=I1[5];I1[5]=I1[4];I1[4]=I1[3];I1[3]=I1[2];I1[2]=I1[1]; 
Q2[2]=Q2[1]; 
I2[2]=I2[1]; 
Re[2]=Re[1]; 
Im[2]=Im[1]; 
SmoothPeriod[2]=SmoothPeriod[1]; 
Phase[2]=Phase[1]; 
Period_[2]=Period_[1]; 
MAMA[2]=MAMA[1]; 
FAMA[2]=FAMA[1]; 




i--;
     }
   return(0);
  }
//+------------------------------------------------------------------+

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