/*! \file GaussianVariogram.h 
 *  \brief: header file for triavertexinput object
 */

#ifndef _GAUSSIANVARIOGRAM_H_
#define _GAUSSIANVARIOGRAM_H_

/*Headers:*/
#include "./Variogram.h"
class Options;

class GaussianVariogram: public Variogram{

	public:
		double nugget; //The height of the jump of the semivariogram at the discontinuity at the origin
		double sill;   //Limit of the variogram tending to infinity lag distances
		double range;  //The distance in which the difference of the variogram from the sill becomes negligible

		/*GaussianVariogram constructors, destructors*/
		GaussianVariogram();
		GaussianVariogram(Options* options);
		~GaussianVariogram();

		/*Object virtual functions definitions*/
		void  Echo();
		void  DeepEcho(){_error_("Not implemented yet");};
		int   Id(){_error_("Not implemented yet");}; 
		int   ObjectEnum(){_error_("Not implemented yet");};
		Object* copy();

		/*Variogram functions*/
		double SemiVariogram(double deltax,double deltay);
		double Covariance(double deltax,double deltay);
};
#endif  /* _GAUSSIANVARIOGRAM_H */
