geSigmoid





//+------------------------------------------------------------------+
//|																geSigmoid.mq4		|
//|                      Copyright © 2007, ver 1.0							|
//|                      Forte928           									|
//+------------------------------------------------------------------+
#property copyright "Forte928"
#property link      ""
#define		IndicatorName "geSigmoid"

#property indicator_chart_window
//roperty indicator_separate_window

#property indicator_buffers 1
#property indicator_color1 Tomato
#property indicator_color2 YellowGreen
#property indicator_color3 Wheat
#property indicator_color4 LightSeaGreen

extern int		FirstPoint	= 50;
extern double	Error			= 0.005;
extern int		WidthPoint	= 3;
extern int		WidthLine	= 2;

//double  FreqTOL  =0.0001;//Tolerance of frequency calculation for Method 1

double	FxView1[];
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~V~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Work Variables ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
double	TimeBuf1[];

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~V~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Initialization program Buffers ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void	InitBufferam(int iBufferSize)
{
	ArrayResize(TimeBuf1,iBufferSize);
	return;
}
void	EmptyBufferam()
{
	ArrayInitialize(TimeBuf1,EMPTY_VALUE);
// -->
	ArrayInitialize(FxView1,EMPTY_VALUE);
	return;
}
void	DoneBufferam()
{
	ArrayResize(TimeBuf1,0);
	return;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~V~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Program Constants ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int		MaxPeriod=0;
int		CalcCount=0;
string	UniqueName="";
double	FxLeft=0;
double	FxRight=0;
int		IxLeft=0;
int		IxRight=0;
int		IxCount=0;
int		Counter=2000;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Custom indicator initialization function ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int init()
  {
//---- initialization program values  --------------------------------
	MaxPeriod=0;//MathMax(EMAPrd,WinSize);
	InitBufferam(MaxCounter(Counter,MaxPeriod));
	CalcCount=InitCounter(Counter,MaxPeriod);
//---- initialization indicators -------------------------------------
	SetupChartLine(0,FxView1,0,WidthLine,"Sigmoid"+FirstPoint);// SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,1); SetIndexBuffer(0,ValueBuf0);
	
	MathSrand(TimeLocal());
	UniqueName=IndicatorName+MathRand();
	IxLeft=FirstPoint;

//----
   return(0);
  }
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~V~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Custom indicator deinitialization function ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int deinit()
  {
//----
	DoneBufferam();	
	ObjectDelete(UniqueName+"LF");
	ObjectDelete(UniqueName+"RG");
//----
   return(0);
  }
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~V~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Start defination ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int start()
{
	if (!StartCounter(IndicatorName,Counter,CalcCount,MaxPeriod)) return(-1);
//------------------------------------------------------------------------------------
	EmptyBufferam();
//+-------------------------- Begin Cycle ---------------------------------------------------+\\
	if (ObjectFind(UniqueName+"LF")<0) {
		ObjectCreate(UniqueName+"LF",OBJ_ARROW,0,0,0);
		ObjectSet(UniqueName+"LF",OBJPROP_TIME1,Time[IxLeft]);
		ObjectSet(UniqueName+"LF",OBJPROP_PRICE1,Low[IxLeft]+10*Point);
		ObjectSet(UniqueName+"LF",OBJPROP_ARROWCODE,5);
		ObjectSet(UniqueName+"LF",OBJPROP_WIDTH,WidthPoint);
	}
	if (ObjectFind(UniqueName+"RG")<0) {
		ObjectCreate(UniqueName+"RG",OBJ_ARROW,0,0,0);
		ObjectSet(UniqueName+"RG",OBJPROP_TIME1,Time[0]);
		ObjectSet(UniqueName+"RG",OBJPROP_PRICE1,High[0]+10*Point);
		ObjectSet(UniqueName+"RG",OBJPROP_ARROWCODE,6);
		ObjectSet(UniqueName+"RG",OBJPROP_WIDTH,WidthPoint);
	}
	IxLeft=iBarShift(NULL,Period(),ObjectGet(UniqueName+"LF",OBJPROP_TIME1),false);
	IxRight=iBarShift(NULL,Period(),ObjectGet(UniqueName+"RG",OBJPROP_TIME1),false);
	IxCount=IxLeft-IxRight+1;
	SetIndexShift(0,IxCount);//(IxLeft-IxRight));
	double Alpha=-MathLog(1/Error-1)/(-IxCount);
	if (Close[IxLeft]>Close[IxRight]) {
		FxLeft=High[IxLeft];
		FxRight=Low[IxRight];
	}
	else {
		FxLeft=Low[IxLeft];
		FxRight=High[IxRight];
	}
	Print(FxLeft,"  ",FxRight);
	for (int Rx=IxCount-1;Rx>=0;Rx--){
		TimeBuf1[Rx+IxCount]=1/(1+MathExp(-Alpha*(-Rx)))*(FxRight-FxLeft)/0.5+FxLeft;
		TimeBuf1[Rx]=1/(1+MathExp(-Alpha*(IxCount-Rx)))*(FxRight-FxLeft)/0.5+FxLeft;
	}

	ArrayCopy(FxView1,TimeBuf1,IxRight,0,IxCount*2);
//	ArrayCopy(FxView2,TimeBuf4,Shift,0,CalcCount);
//	ArrayCopy(FxView3,TimeBuf5,Shift,0,CalcCount);
//	ArrayCopy(FxView4,TimeBuf6,Shift,0,CalcCount);
	
//----
   return(0);
  }
//-----------------------------------------------------------------------------------------------
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~														 InitCounter																		~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 int InitCounter(int iPreCount,int iMaxPeriod)
{
	// Rule 1
	//if ((Result==0)||(Result>Bars)) Result=Bars;
	int Result=MaxCounter(iPreCount,iMaxPeriod);
	// Rule 2
	if ((Result+iMaxPeriod)>Bars) Result=Bars-iMaxPeriod;
	// Rule 3
	if (Result<iMaxPeriod) Result=0;
	else Result=Result+iMaxPeriod;
	return(Result);
}
//------------------------------------------ StartCounter --------------------------
bool StartCounter(string WindowName,int iPreCount,int& iCalcCount,int iMaxPeriod)
{
	if ((iPreCount>iCalcCount)||(iPreCount==0)) iCalcCount=InitCounter(iPreCount,iMaxPeriod);
	if (iCalcCount==0) 
	{
		Alert(WindowName+" "+Symbol()+"("+Period()+") - Limited Calculate Period");
		return(false);
	}
	return(true);
	//int iBarCount=IndicatorCounted();
	//if (iBarCount>0) return(true);
	//Print("StartCounter");
	return(false);
}
//------------------------------------------ StartCounter --------------------------
int MaxCounter(int iPreCount,int iMaxPeriod)
{
	int Result=iPreCount;
	// Rule 1
	//if ((Result==0)||(Result>Bars)) Result=Bars;
	if (Result==0) Result=Bars-1;
	if (Result<iMaxPeriod) Result=iMaxPeriod;
	return(Result+iMaxPeriod);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~~														 Style active Line																~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void SetupChartLine(int Index,double& ViewAy[],int Style,int Width,string Label)
{
	switch(Style)
	{
		case 0 : SetIndexStyle(Index,DRAW_LINE,STYLE_SOLID,Width);break;
		case 1 : SetIndexStyle(Index,DRAW_HISTOGRAM,STYLE_SOLID,Width);break;
		case 2 : SetIndexStyle(Index,DRAW_ARROW,STYLE_SOLID,Width);break;
		default : SetIndexStyle(Index,DRAW_LINE,STYLE_SOLID,Width);break;
	}
	if (Label!="") SetIndexLabel(Index,Label);
	SetIndexBuffer(Index,ViewAy);
	return(0);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





Sample





Analysis



Market Information Used:

Series array that contains open time of each bar
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains close prices for each bar


Indicator Curves created:

Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_HISTOGRAM
Implements a curve of type DRAW_ARROW


Indicators Used:



Custom Indicators Used:

Order Management characteristics:

Other Features:

It issuies visual alerts to the screen