PowerVariogram Class Reference

#include <PowerVariogram.h>

Inheritance diagram for PowerVariogram:

Public Member Functions
	PowerVariogram ()
	PowerVariogram (Options *options)
	~PowerVariogram ()
Object *	copy ()
void	DeepEcho ()
void	Echo ()
int	Id ()
void	Marshall (char **pmarshalled_data, int *pmarshalled_data_size, int marshall_direction)
int	ObjectEnum ()
double	Covariance (double deltax, double deltay)
double	SemiVariogram (double deltax, double deltay)
Public Member Functions inherited from Variogram
virtual	~Variogram ()
Public Member Functions inherited from Object
virtual	~Object ()

Data Fields
double	nugget
double	slope
double	power

Detailed Description

Definition at line 11 of file PowerVariogram.h.

Constructor & Destructor Documentation

PowerVariogram() [1/2]

PowerVariogram::PowerVariogram

(

)

Definition at line 15 of file PowerVariogram.cpp.

                              {/*{{{*/
   this->nugget = 0.2;
   this->slope  = 1.;
   this->power  = 1.;
   return;
}

PowerVariogram() [2/2]

PowerVariogram::PowerVariogram

(

Options *

options

)

Definition at line 22 of file PowerVariogram.cpp.

                                              {/*{{{*/
 
   /*Defaults*/
   this->nugget = 0.2;
   this->slope  = 1.;
   this->power  = 1.;
 
   /*Overwrite from options*/
   if(options->GetOption("nugget")) options->Get(&this->nugget,"nugget");
   if(options->GetOption("slope"))  options->Get(&this->slope,"slope");
   if(options->GetOption("power"))  options->Get(&this->power,"power");
 
   /*Checks*/
   if(power<=0 || power>=2) _error_("power must be betwwen 0 and 2 (0 < power < 2)");
   if(slope<=0) _error_("slope must be positive");
}

~PowerVariogram()

PowerVariogram::~PowerVariogram

(

)

Definition at line 39 of file PowerVariogram.cpp.

                               {/*{{{*/
   return;
}

Member Function Documentation

copy()

Object * PowerVariogram::copy ( void  )

virtual

Implements Object.

Definition at line 45 of file PowerVariogram.cpp.

                                {/*{{{*/
      return new PowerVariogram(*this);
}

DeepEcho()

void PowerVariogram::DeepEcho ( void  )

inlinevirtual

Implements Object.

Definition at line 25 of file PowerVariogram.h.

{_error_("Not implemented yet");};

Echo()

void PowerVariogram::Echo ( void  )

virtual

Implements Object.

Definition at line 49 of file PowerVariogram.cpp.

                             {/*{{{*/
   _printf_("PowerVariogram\n");
   _printf_("   nugget: " << this->nugget << "\n");
   _printf_("   slope : " << this->slope << "\n");
   _printf_("   power : " << this->power << "\n");
}

Id()

int PowerVariogram::Id ( void  )

inlinevirtual

Implements Object.

Definition at line 27 of file PowerVariogram.h.

{_error_("Not implemented yet");}; 

Marshall()

void PowerVariogram::Marshall ( char **  pmarshalled_data, int *  pmarshalled_data_size, int  marshall_direction  )

inlinevirtual

Implements Object.

Definition at line 28 of file PowerVariogram.h.

{ _error_("not implemented yet!"); };

ObjectEnum()

int PowerVariogram::ObjectEnum ( void  )

inlinevirtual

Implements Object.

Definition at line 29 of file PowerVariogram.h.

{_error_("Not implemented yet");};

Covariance()

double PowerVariogram::Covariance ( double  deltax, double  deltay  )

virtual

Implements Variogram.

Definition at line 58 of file PowerVariogram.cpp.

                                                            {/*{{{*/
   /*The covariance can be deduced from the variogram from the following
    * relationship:
    *    2 gamma = C(x,x) + C(y,y) -2 C(x,y)
    * so
    *    C(h) = sill - gamma                                            */
   double h,cova;
 
   /*Calculate length square*/
   h=sqrt(deltax*deltax + deltay*deltay);
 
   /*return covariance*/
   cova = 9999. - this->slope*pow(h,this->power);
 
   return cova;
}

SemiVariogram()

double PowerVariogram::SemiVariogram ( double  deltax, double  deltay  )

virtual

Implements Variogram.

Definition at line 75 of file PowerVariogram.cpp.

                                                               {/*{{{*/
   /*http://en.wikipedia.org/wiki/Variogram*/
   double h,gamma;
 
   /*Calculate length square*/
   h=sqrt(deltax*deltax + deltay*deltay);
 
   /*return semi-variogram*/
   gamma = this->nugget + this->slope*pow(h,this->power);
 
   //if(h>1000) _printf_("gamma = " << gamma << " h=" << h << "\n");
   return gamma;
}

Field Documentation

nugget

double PowerVariogram::nugget

Definition at line 14 of file PowerVariogram.h.

slope

double PowerVariogram::slope

Definition at line 15 of file PowerVariogram.h.

power

double PowerVariogram::power

Definition at line 16 of file PowerVariogram.h.

---

The documentation for this class was generated from the following files:

• src/c/classes/kriging/PowerVariogram.h
• src/c/classes/kriging/PowerVariogram.cpp