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//+------------------------------------------------------------------+
//| Trend direction & force index.mq4 |
//| mladen |
//| |
//| |
//| original metastock indicator made by Piotr Wojdylo |
//+------------------------------------------------------------------+
#property copyright "mladen"
#property link "mladenfx@gmail.com"
#property indicator_separate_window
#property indicator_buffers 7
#property indicator_color1 DimGray
#property indicator_color2 DimGray
#property indicator_color3 DimGray
#property indicator_color4 Red
#property indicator_color5 Red
#property indicator_color6 DodgerBlue
#property indicator_color7 DodgerBlue
#property indicator_width3 1
#property indicator_width4 2
#property indicator_width5 2
#property indicator_width6 2
#property indicator_width7 2
#property indicator_maximum 1
#property indicator_minimum -1
//
//
//
//
//
extern string TimeFrame = "Current time frame";
extern int trendPeriod = 20;
extern double TriggerUp = 0.8;
extern double TriggerDown = -0.8;
extern double SmoothLength = 5;
extern double SmoothPhase = 0;
extern bool ColorChangeOnZeroCross = false;
extern bool alertsOn = false;
extern bool alertsOnCurrentBar = true;
extern bool alertsMessage = false;
extern bool alertsSound = false;
extern bool alertsEmail = false;
extern bool Interpolate = true;
//
//
//
//
//
double TrendBuffer[];
double TrendBufferUa[];
double TrendBufferUb[];
double TrendBufferDa[];
double TrendBufferDb[];
double TriggBuffera[];
double TriggBufferb[];
double trend[];
//
//
//
//
//
string indicatorFileName;
bool calculateValue;
bool returnBars;
int timeFrame;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
int init()
{
IndicatorBuffers(8);
SetIndexBuffer(0,TriggBuffera); SetIndexLabel(0,NULL);
SetIndexBuffer(1,TriggBufferb); SetIndexLabel(1,NULL);
SetIndexBuffer(2,TrendBuffer); SetIndexLabel(2,"Trend direction & force");
SetIndexBuffer(3,TrendBufferUa);
SetIndexBuffer(4,TrendBufferUb);
SetIndexBuffer(5,TrendBufferDa);
SetIndexBuffer(6,TrendBufferDb);
SetIndexBuffer(7,trend);
//
//
//
//
//
indicatorFileName = WindowExpertName();
calculateValue = (TimeFrame=="CalculateValue"); if(calculateValue) return(0);
returnBars = (TimeFrame=="returnBars"); if(returnBars) return(0);
timeFrame = stringToTimeFrame(TimeFrame);
//
//
//
//
//
IndicatorShortName(timeFrameToString(timeFrame)+" ("+trendPeriod+")");
return(0);
}
int deinit() { return(0); }
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
double workTrend[][3];
#define _MMA 0
#define _SMMA 1
#define _TDF 2
//
//
//
//
//
int start()
{
int i,r,limit,counted_bars=IndicatorCounted();
if(counted_bars < 0) return(-1);
if(counted_bars>0) counted_bars--;
limit=MathMin(Bars-counted_bars,Bars-1);
if(returnBars) { TriggBuffera[0]=limit+1; return(0); }
//
//
//
//
//
if(calculateValue || timeFrame==Period())
{
if(ArrayRange(workTrend,0)!=Bars) ArrayResize(workTrend,Bars);
if(trend[limit]== 1) CleanPoint(limit,TrendBufferUa,TrendBufferUb);
if(trend[limit]==-1) CleanPoint(limit,TrendBufferDa,TrendBufferDb);
//
//
//
//
//
double alpha=2.0/(trendPeriod+1.0);
for(i=limit,r=Bars-i-1; i>=0; i--,r++)
{
workTrend[r][_MMA] = iMA(NULL,0,trendPeriod,0,MODE_EMA,PRICE_CLOSE,i);
workTrend[r][_SMMA] = workTrend[r-1][_SMMA]+alpha*(workTrend[r][_MMA]-workTrend[r-1][_SMMA]);
double impetmma = workTrend[r][_MMA] - workTrend[r-1][_MMA];
double impetsmma = workTrend[r][_SMMA] - workTrend[r-1][_SMMA];
double divma = MathAbs(workTrend[r][_MMA]-workTrend[r][_SMMA])/Point;
double averimpet = (impetmma+impetsmma)/(2*Point);
workTrend[r][_TDF]=divma*MathPow(averimpet,3);
//
//
//
//
//
double absValue=absHighest(workTrend,_TDF,trendPeriod*3,r);
if(absValue>0)
TrendBuffer[i] = iSmooth(workTrend[r][_TDF]/absValue,SmoothLength,SmoothPhase,i);
else TrendBuffer[i] = iSmooth( 0.00,SmoothLength,SmoothPhase,i);
TriggBuffera[i] = TriggerUp;
TriggBufferb[i] = TriggerDown;
//
//
//
//
//
TrendBufferUa[i] = EMPTY_VALUE;
TrendBufferUb[i] = EMPTY_VALUE;
TrendBufferDa[i] = EMPTY_VALUE;
TrendBufferDb[i] = EMPTY_VALUE;
trend[i] = trend[i+1];
if(ColorChangeOnZeroCross)
{
if(TrendBuffer[i]>0) trend[i] = 1;
if(TrendBuffer[i]<0) trend[i] = -1;
}
else
{
if(TrendBuffer[i]>TriggBuffera[i]) trend[i] = 1;
if(TrendBuffer[i]<TriggBufferb[i]) trend[i] = -1;
if(TrendBuffer[i]>TriggBufferb[i] && TrendBuffer[i]<TriggBuffera[i]) trend[i] = 0;
}
if(trend[i] == 1) PlotPoint(i,TrendBufferUa,TrendBufferUb,TrendBuffer);
if(trend[i] == -1) PlotPoint(i,TrendBufferDa,TrendBufferDb,TrendBuffer);
}
manageAlerts();
return(0);
}
//
//
//
//
//
limit= MathMax(limit,MathMin(Bars,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0)*timeFrame/Period()));
for(i=limit; i>=0; i--)
{
int y=iBarShift(NULL,timeFrame,Time[i]);
TrendBuffer[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",trendPeriod,TriggerUp,TriggerDown,SmoothLength,SmoothPhase,ColorChangeOnZeroCross,alertsOn,alertsOnCurrentBar,alertsMessage,alertsSound,alertsEmail,2,y);
trend[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",trendPeriod,TriggerUp,TriggerDown,SmoothLength,SmoothPhase,ColorChangeOnZeroCross,alertsOn,alertsOnCurrentBar,alertsMessage,alertsSound,alertsEmail,7,y);
TrendBufferUa[i] = EMPTY_VALUE;
TrendBufferUb[i] = EMPTY_VALUE;
TrendBufferDa[i] = EMPTY_VALUE;
TrendBufferDb[i] = EMPTY_VALUE;
TriggBuffera[i] = TriggerUp;
TriggBufferb[i] = TriggerDown;
//
//
//
//
//
if(!Interpolate || y==iBarShift(NULL,timeFrame,Time[i-1])) continue;
//
//
//
//
//
datetime time= iTime(NULL,timeFrame,y);
for(int n = 1; i+n < Bars && Time[i+n] >= time; n++) continue;
for(int k = 1; k < n; k++)
TrendBuffer[i+k]=TrendBuffer[i]+(TrendBuffer[i+n]-TrendBuffer[i])*k/n;
}
for(i=limit; i>=0; i--)
{
if(trend[i] == 1) PlotPoint(i,TrendBufferUa,TrendBufferUb,TrendBuffer);
if(trend[i] == -1) PlotPoint(i,TrendBufferDa,TrendBufferDb,TrendBuffer);
}
//
//
//
//
//
return(0);
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
void manageAlerts()
{
if(!calculateValue && alertsOn)
{
if(alertsOnCurrentBar)
int whichBar = 0;
else whichBar = 1;
//
//
//
//
//
Comment(trend[whichBar]," ",trend[whichBar+1]);
if(ColorChangeOnZeroCross)
{
if(trend[whichBar]!=trend[whichBar+1])
{
if(trend[whichBar] == 1) doAlert(whichBar," crossed zero line up");
if(trend[whichBar] ==-1) doAlert(whichBar," crossed zero line down");
}
}
else
{
if(trend[whichBar]!=trend[whichBar+1])
{
if(trend[whichBar] == 1 ) doAlert(whichBar," crossed "+DoubleToStr(TriggerUp ,2)+" line up");
if(trend[whichBar] ==-1 ) doAlert(whichBar," crossed "+DoubleToStr(TriggerDown,2)+" line down");
if(trend[whichBar+1] == 1 && trend[whichBar] == 0) doAlert(whichBar," crossed "+DoubleToStr(TriggerUp ,2)+" line down");
if(trend[whichBar+1] ==-1 && trend[whichBar] ==-0) doAlert(whichBar," crossed "+DoubleToStr(TriggerDown,2)+" line up");
}
}
}
}
//
//
//
//
//
void doAlert(int forBar,string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if(previousAlert!=doWhat || previousTime!=Time[forBar])
{
previousAlert = doWhat;
previousTime = Time[forBar];
//
//
//
//
//
message=timeFrameToString(Period())+" "+Symbol()+" at "+TimeToStr(TimeLocal(),TIME_SECONDS)+doWhat;
if(alertsMessage) Alert(message);
if(alertsEmail) SendMail(StringConcatenate(Symbol()," trend dirrection & strength "),message);
if(alertsSound) PlaySound("alert2.wav");
}
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
double absHighest(double &array[][],int index,int length,int shift)
{
double result=0.00;
for(int i=length-1; i>=0; i--)
if(result<MathAbs(array[shift-i][index]))
result=MathAbs(array[shift-i][index]);
return(result);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
void CleanPoint(int i,double &first[],double &second[])
{
if((second[i] != EMPTY_VALUE) &&(second[i+1] != EMPTY_VALUE))
second[i+1]= EMPTY_VALUE;
else
if((first[i] != EMPTY_VALUE) &&(first[i+1] != EMPTY_VALUE) &&(first[i+2]== EMPTY_VALUE))
first[i+1]= EMPTY_VALUE;
}
//
//
//
//
//
void PlotPoint(int i,double &first[],double &second[],double &from[])
{
if(first[i+1]==EMPTY_VALUE)
{
if(first[i+2]==EMPTY_VALUE)
{
first[i] = from[i];
first[i+1] = from[i+1];
second[i] = EMPTY_VALUE;
}
else
{
second[i] = from[i];
second[i+1] = from[i+1];
first[i] = EMPTY_VALUE;
}
}
else
{
first[i] = from[i];
second[i] = EMPTY_VALUE;
}
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
int iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};
//
//
//
//
//
int stringToTimeFrame(string tfs)
{
tfs=stringUpperCase(tfs);
for(int i=ArraySize(iTfTable)-1; i>=0; i--)
if(tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
return(Period());
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
string timeFrameToString(int tf)
{
for(int i=ArraySize(iTfTable)-1; i>=0; i--)
if(tf==iTfTable[i]) return(sTfTable[i]);
return("");
}
//
//
//
//
//
string stringUpperCase(string str)
{
string s=str;
for(int length=StringLen(str)-1; length>=0; length--)
{
int tchar=StringGetChar(s,length);
if((tchar>96 && tchar<123) || (tchar>223 && tchar<256))
s=StringSetChar(s,length,tchar-32);
else if(tchar>-33 && tchar<0)
s=StringSetChar(s,length,tchar+224);
}
return(s);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
double wrk[][10];
#define bsmax 5
#define bsmin 6
#define volty 7
#define vsum 8
#define avolty 9
//
//
//
//
//
double iSmooth(double price,double length,double phase,int i,int s=0)
{
if(length <=1) return(price);
if(ArrayRange(wrk,0)!=Bars) ArrayResize(wrk,Bars);
int r=Bars-i-1;
if(r==0) { for(int k=0; k<7; k++) wrk[r][k+s]=price; for(; k<10; k++) wrk[r][k+s]=0; return(price); }
//
//
//
//
//
double len1 = MathMax(MathLog(MathSqrt(0.5*(length-1)))/MathLog(2.0)+2.0,0);
double pow1 = MathMax(len1-2.0,0.5);
double del1 = price - wrk[r-1][bsmax+s];
double del2 = price - wrk[r-1][bsmin+s];
double div = 1.0/(10.0+10.0*(MathMin(MathMax(length-10,0),100))/100);
int forBar = MathMin(r,10);
wrk[r][volty+s]=0;
if(MathAbs(del1) > MathAbs(del2)) wrk[r][volty+s] = MathAbs(del1);
if(MathAbs(del1) < MathAbs(del2)) wrk[r][volty+s] = MathAbs(del2);
wrk[r][vsum+s]=wrk[r-1][vsum+s]+(wrk[r][volty+s]-wrk[r-forBar][volty+s])*div;
//
//
//
//
//
wrk[r][avolty+s]=wrk[r-1][avolty+s]+(2.0/(MathMax(4.0*length,30)+1.0))*(wrk[r][vsum+s]-wrk[r-1][avolty+s]);
if(wrk[r][avolty+s]>0)
double dVolty=wrk[r][volty+s]/wrk[r][avolty+s]; else dVolty=0;
if(dVolty > MathPow(len1,1.0/pow1)) dVolty = MathPow(len1,1.0/pow1);
if(dVolty < 1) dVolty = 1.0;
//
//
//
//
//
double pow2 = MathPow(dVolty, pow1);
double len2 = MathSqrt(0.5*(length-1))*len1;
double Kv = MathPow(len2/(len2+1), MathSqrt(pow2));
if(del1 > 0) wrk[r][bsmax+s] = price; else wrk[r][bsmax+s] = price - Kv*del1;
if(del2 < 0) wrk[r][bsmin+s] = price; else wrk[r][bsmin+s] = price - Kv*del2;
//
//
//
//
//
double R = MathMax(MathMin(phase,100),-100)/100.0 + 1.5;
double beta = 0.45*(length-1)/(0.45*(length-1)+2);
double alpha = MathPow(beta,pow2);
wrk[r][0+s] = price + alpha*(wrk[r-1][0+s]-price);
wrk[r][1+s] = (price - wrk[r][0+s])*(1-beta) + beta*wrk[r-1][1+s];
wrk[r][2+s] = (wrk[r][0+s] + R*wrk[r][1+s]);
wrk[r][3+s] = (wrk[r][2+s] - wrk[r-1][4+s])*MathPow((1-alpha),2) + MathPow(alpha,2)*wrk[r-1][3+s];
wrk[r][4+s] = (wrk[r-1][4+s] + wrk[r][3+s]);
//
//
//
//
//
return(wrk[r][4+s]);
}
//+------------------------------------------------------------------+
//
//
//
return(wrk[r][4+s]);
}
//| Trend direction & force index.mq4 |
//| mladen |
//| |
//| |
//| original metastock indicator made by Piotr Wojdylo |
//+------------------------------------------------------------------+
#property copyright "mladen"
#property link "mladenfx@gmail.com"
#property indicator_separate_window
#property indicator_buffers 7
#property indicator_color1 DimGray
#property indicator_color2 DimGray
#property indicator_color3 DimGray
#property indicator_color4 Red
#property indicator_color5 Red
#property indicator_color6 DodgerBlue
#property indicator_color7 DodgerBlue
#property indicator_width3 1
#property indicator_width4 2
#property indicator_width5 2
#property indicator_width6 2
#property indicator_width7 2
#property indicator_maximum 1
#property indicator_minimum -1
//
//
//
//
//
extern string TimeFrame = "Current time frame";
extern int trendPeriod = 20;
extern double TriggerUp = 0.8;
extern double TriggerDown = -0.8;
extern double SmoothLength = 5;
extern double SmoothPhase = 0;
extern bool ColorChangeOnZeroCross = false;
extern bool alertsOn = false;
extern bool alertsOnCurrentBar = true;
extern bool alertsMessage = false;
extern bool alertsSound = false;
extern bool alertsEmail = false;
extern bool Interpolate = true;
//
//
//
//
//
double TrendBuffer[];
double TrendBufferUa[];
double TrendBufferUb[];
double TrendBufferDa[];
double TrendBufferDb[];
double TriggBuffera[];
double TriggBufferb[];
double trend[];
//
//
//
//
//
string indicatorFileName;
bool calculateValue;
bool returnBars;
int timeFrame;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
int init()
{
IndicatorBuffers(8);
SetIndexBuffer(0,TriggBuffera); SetIndexLabel(0,NULL);
SetIndexBuffer(1,TriggBufferb); SetIndexLabel(1,NULL);
SetIndexBuffer(2,TrendBuffer); SetIndexLabel(2,"Trend direction & force");
SetIndexBuffer(3,TrendBufferUa);
SetIndexBuffer(4,TrendBufferUb);
SetIndexBuffer(5,TrendBufferDa);
SetIndexBuffer(6,TrendBufferDb);
SetIndexBuffer(7,trend);
//
//
//
//
//
indicatorFileName = WindowExpertName();
calculateValue = (TimeFrame=="CalculateValue"); if(calculateValue) return(0);
returnBars = (TimeFrame=="returnBars"); if(returnBars) return(0);
timeFrame = stringToTimeFrame(TimeFrame);
//
//
//
//
//
IndicatorShortName(timeFrameToString(timeFrame)+" ("+trendPeriod+")");
return(0);
}
int deinit() { return(0); }
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
double workTrend[][3];
#define _MMA 0
#define _SMMA 1
#define _TDF 2
//
//
//
//
//
int start()
{
int i,r,limit,counted_bars=IndicatorCounted();
if(counted_bars < 0) return(-1);
if(counted_bars>0) counted_bars--;
limit=MathMin(Bars-counted_bars,Bars-1);
if(returnBars) { TriggBuffera[0]=limit+1; return(0); }
//
//
//
//
//
if(calculateValue || timeFrame==Period())
{
if(ArrayRange(workTrend,0)!=Bars) ArrayResize(workTrend,Bars);
if(trend[limit]== 1) CleanPoint(limit,TrendBufferUa,TrendBufferUb);
if(trend[limit]==-1) CleanPoint(limit,TrendBufferDa,TrendBufferDb);
//
//
//
//
//
double alpha=2.0/(trendPeriod+1.0);
for(i=limit,r=Bars-i-1; i>=0; i--,r++)
{
workTrend[r][_MMA] = iMA(NULL,0,trendPeriod,0,MODE_EMA,PRICE_CLOSE,i);
workTrend[r][_SMMA] = workTrend[r-1][_SMMA]+alpha*(workTrend[r][_MMA]-workTrend[r-1][_SMMA]);
double impetmma = workTrend[r][_MMA] - workTrend[r-1][_MMA];
double impetsmma = workTrend[r][_SMMA] - workTrend[r-1][_SMMA];
double divma = MathAbs(workTrend[r][_MMA]-workTrend[r][_SMMA])/Point;
double averimpet = (impetmma+impetsmma)/(2*Point);
workTrend[r][_TDF]=divma*MathPow(averimpet,3);
//
//
//
//
//
double absValue=absHighest(workTrend,_TDF,trendPeriod*3,r);
if(absValue>0)
TrendBuffer[i] = iSmooth(workTrend[r][_TDF]/absValue,SmoothLength,SmoothPhase,i);
else TrendBuffer[i] = iSmooth( 0.00,SmoothLength,SmoothPhase,i);
TriggBuffera[i] = TriggerUp;
TriggBufferb[i] = TriggerDown;
//
//
//
//
//
TrendBufferUa[i] = EMPTY_VALUE;
TrendBufferUb[i] = EMPTY_VALUE;
TrendBufferDa[i] = EMPTY_VALUE;
TrendBufferDb[i] = EMPTY_VALUE;
trend[i] = trend[i+1];
if(ColorChangeOnZeroCross)
{
if(TrendBuffer[i]>0) trend[i] = 1;
if(TrendBuffer[i]<0) trend[i] = -1;
}
else
{
if(TrendBuffer[i]>TriggBuffera[i]) trend[i] = 1;
if(TrendBuffer[i]<TriggBufferb[i]) trend[i] = -1;
if(TrendBuffer[i]>TriggBufferb[i] && TrendBuffer[i]<TriggBuffera[i]) trend[i] = 0;
}
if(trend[i] == 1) PlotPoint(i,TrendBufferUa,TrendBufferUb,TrendBuffer);
if(trend[i] == -1) PlotPoint(i,TrendBufferDa,TrendBufferDb,TrendBuffer);
}
manageAlerts();
return(0);
}
//
//
//
//
//
limit= MathMax(limit,MathMin(Bars,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0)*timeFrame/Period()));
for(i=limit; i>=0; i--)
{
int y=iBarShift(NULL,timeFrame,Time[i]);
TrendBuffer[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",trendPeriod,TriggerUp,TriggerDown,SmoothLength,SmoothPhase,ColorChangeOnZeroCross,alertsOn,alertsOnCurrentBar,alertsMessage,alertsSound,alertsEmail,2,y);
trend[i] = iCustom(NULL,timeFrame,indicatorFileName,"calculateValue",trendPeriod,TriggerUp,TriggerDown,SmoothLength,SmoothPhase,ColorChangeOnZeroCross,alertsOn,alertsOnCurrentBar,alertsMessage,alertsSound,alertsEmail,7,y);
TrendBufferUa[i] = EMPTY_VALUE;
TrendBufferUb[i] = EMPTY_VALUE;
TrendBufferDa[i] = EMPTY_VALUE;
TrendBufferDb[i] = EMPTY_VALUE;
TriggBuffera[i] = TriggerUp;
TriggBufferb[i] = TriggerDown;
//
//
//
//
//
if(!Interpolate || y==iBarShift(NULL,timeFrame,Time[i-1])) continue;
//
//
//
//
//
datetime time= iTime(NULL,timeFrame,y);
for(int n = 1; i+n < Bars && Time[i+n] >= time; n++) continue;
for(int k = 1; k < n; k++)
TrendBuffer[i+k]=TrendBuffer[i]+(TrendBuffer[i+n]-TrendBuffer[i])*k/n;
}
for(i=limit; i>=0; i--)
{
if(trend[i] == 1) PlotPoint(i,TrendBufferUa,TrendBufferUb,TrendBuffer);
if(trend[i] == -1) PlotPoint(i,TrendBufferDa,TrendBufferDb,TrendBuffer);
}
//
//
//
//
//
return(0);
}
//------------------------------------------------------------------
//
//------------------------------------------------------------------
//
//
//
//
//
void manageAlerts()
{
if(!calculateValue && alertsOn)
{
if(alertsOnCurrentBar)
int whichBar = 0;
else whichBar = 1;
//
//
//
//
//
Comment(trend[whichBar]," ",trend[whichBar+1]);
if(ColorChangeOnZeroCross)
{
if(trend[whichBar]!=trend[whichBar+1])
{
if(trend[whichBar] == 1) doAlert(whichBar," crossed zero line up");
if(trend[whichBar] ==-1) doAlert(whichBar," crossed zero line down");
}
}
else
{
if(trend[whichBar]!=trend[whichBar+1])
{
if(trend[whichBar] == 1 ) doAlert(whichBar," crossed "+DoubleToStr(TriggerUp ,2)+" line up");
if(trend[whichBar] ==-1 ) doAlert(whichBar," crossed "+DoubleToStr(TriggerDown,2)+" line down");
if(trend[whichBar+1] == 1 && trend[whichBar] == 0) doAlert(whichBar," crossed "+DoubleToStr(TriggerUp ,2)+" line down");
if(trend[whichBar+1] ==-1 && trend[whichBar] ==-0) doAlert(whichBar," crossed "+DoubleToStr(TriggerDown,2)+" line up");
}
}
}
}
//
//
//
//
//
void doAlert(int forBar,string doWhat)
{
static string previousAlert="nothing";
static datetime previousTime;
string message;
if(previousAlert!=doWhat || previousTime!=Time[forBar])
{
previousAlert = doWhat;
previousTime = Time[forBar];
//
//
//
//
//
message=timeFrameToString(Period())+" "+Symbol()+" at "+TimeToStr(TimeLocal(),TIME_SECONDS)+doWhat;
if(alertsMessage) Alert(message);
if(alertsEmail) SendMail(StringConcatenate(Symbol()," trend dirrection & strength "),message);
if(alertsSound) PlaySound("alert2.wav");
}
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
double absHighest(double &array[][],int index,int length,int shift)
{
double result=0.00;
for(int i=length-1; i>=0; i--)
if(result<MathAbs(array[shift-i][index]))
result=MathAbs(array[shift-i][index]);
return(result);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
void CleanPoint(int i,double &first[],double &second[])
{
if((second[i] != EMPTY_VALUE) &&(second[i+1] != EMPTY_VALUE))
second[i+1]= EMPTY_VALUE;
else
if((first[i] != EMPTY_VALUE) &&(first[i+1] != EMPTY_VALUE) &&(first[i+2]== EMPTY_VALUE))
first[i+1]= EMPTY_VALUE;
}
//
//
//
//
//
void PlotPoint(int i,double &first[],double &second[],double &from[])
{
if(first[i+1]==EMPTY_VALUE)
{
if(first[i+2]==EMPTY_VALUE)
{
first[i] = from[i];
first[i+1] = from[i+1];
second[i] = EMPTY_VALUE;
}
else
{
second[i] = from[i];
second[i+1] = from[i+1];
first[i] = EMPTY_VALUE;
}
}
else
{
first[i] = from[i];
second[i] = EMPTY_VALUE;
}
}
//+-------------------------------------------------------------------
//|
//+-------------------------------------------------------------------
//
//
//
//
//
string sTfTable[] = {"M1","M5","M15","M30","H1","H4","D1","W1","MN"};
int iTfTable[] = {1,5,15,30,60,240,1440,10080,43200};
//
//
//
//
//
int stringToTimeFrame(string tfs)
{
tfs=stringUpperCase(tfs);
for(int i=ArraySize(iTfTable)-1; i>=0; i--)
if(tfs==sTfTable[i] || tfs==""+iTfTable[i]) return(MathMax(iTfTable[i],Period()));
return(Period());
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
string timeFrameToString(int tf)
{
for(int i=ArraySize(iTfTable)-1; i>=0; i--)
if(tf==iTfTable[i]) return(sTfTable[i]);
return("");
}
//
//
//
//
//
string stringUpperCase(string str)
{
string s=str;
for(int length=StringLen(str)-1; length>=0; length--)
{
int tchar=StringGetChar(s,length);
if((tchar>96 && tchar<123) || (tchar>223 && tchar<256))
s=StringSetChar(s,length,tchar-32);
else if(tchar>-33 && tchar<0)
s=StringSetChar(s,length,tchar+224);
}
return(s);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
//
//
//
//
//
double wrk[][10];
#define bsmax 5
#define bsmin 6
#define volty 7
#define vsum 8
#define avolty 9
//
//
//
//
//
double iSmooth(double price,double length,double phase,int i,int s=0)
{
if(length <=1) return(price);
if(ArrayRange(wrk,0)!=Bars) ArrayResize(wrk,Bars);
int r=Bars-i-1;
if(r==0) { for(int k=0; k<7; k++) wrk[r][k+s]=price; for(; k<10; k++) wrk[r][k+s]=0; return(price); }
//
//
//
//
//
double len1 = MathMax(MathLog(MathSqrt(0.5*(length-1)))/MathLog(2.0)+2.0,0);
double pow1 = MathMax(len1-2.0,0.5);
double del1 = price - wrk[r-1][bsmax+s];
double del2 = price - wrk[r-1][bsmin+s];
double div = 1.0/(10.0+10.0*(MathMin(MathMax(length-10,0),100))/100);
int forBar = MathMin(r,10);
wrk[r][volty+s]=0;
if(MathAbs(del1) > MathAbs(del2)) wrk[r][volty+s] = MathAbs(del1);
if(MathAbs(del1) < MathAbs(del2)) wrk[r][volty+s] = MathAbs(del2);
wrk[r][vsum+s]=wrk[r-1][vsum+s]+(wrk[r][volty+s]-wrk[r-forBar][volty+s])*div;
//
//
//
//
//
wrk[r][avolty+s]=wrk[r-1][avolty+s]+(2.0/(MathMax(4.0*length,30)+1.0))*(wrk[r][vsum+s]-wrk[r-1][avolty+s]);
if(wrk[r][avolty+s]>0)
double dVolty=wrk[r][volty+s]/wrk[r][avolty+s]; else dVolty=0;
if(dVolty > MathPow(len1,1.0/pow1)) dVolty = MathPow(len1,1.0/pow1);
if(dVolty < 1) dVolty = 1.0;
//
//
//
//
//
double pow2 = MathPow(dVolty, pow1);
double len2 = MathSqrt(0.5*(length-1))*len1;
double Kv = MathPow(len2/(len2+1), MathSqrt(pow2));
if(del1 > 0) wrk[r][bsmax+s] = price; else wrk[r][bsmax+s] = price - Kv*del1;
if(del2 < 0) wrk[r][bsmin+s] = price; else wrk[r][bsmin+s] = price - Kv*del2;
//
//
//
//
//
double R = MathMax(MathMin(phase,100),-100)/100.0 + 1.5;
double beta = 0.45*(length-1)/(0.45*(length-1)+2);
double alpha = MathPow(beta,pow2);
wrk[r][0+s] = price + alpha*(wrk[r-1][0+s]-price);
wrk[r][1+s] = (price - wrk[r][0+s])*(1-beta) + beta*wrk[r-1][1+s];
wrk[r][2+s] = (wrk[r][0+s] + R*wrk[r][1+s]);
wrk[r][3+s] = (wrk[r][2+s] - wrk[r-1][4+s])*MathPow((1-alpha),2) + MathPow(alpha,2)*wrk[r-1][3+s];
wrk[r][4+s] = (wrk[r-1][4+s] + wrk[r][3+s]);
//
//
//
//
//
return(wrk[r][4+s]);
}
//+------------------------------------------------------------------+
//
//
//
return(wrk[r][4+s]);
}
int start() { .... limit=MathMin(Bars-counted_bars,Bars-1); // Если индикатор вызвать функцией iCustom с параметром returnBars, то он вернет в нулевом буфере limit+1 if(returnBars) { TriggBuffera[0]=limit+1; return(0); } ... // Чуть ниже такой рекурсивный вызов осуществляется. Это шутка гения? limit= MathMax(limit,MathMin(Bars,iCustom(NULL,timeFrame,indicatorFileName,"returnBars",0)*timeFrame/Period()));Ниже еще 2 рекурсивных вызова с другими параметрами
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