GeostatisticalMethodSemivariogram.h

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
 
    This file is part of the TerraLib - a Framework for building GIS enabled applications.
 
    TerraLib is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License,
    or (at your option) any later version.
 
    TerraLib is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */
 
/*!
  \file terralib/sa/core/GeostatisticalMethodSemivariogram.h
 
  \brief This file contains a class that represents the geostatistical semivariogram method.
 
  \reference Adapted from TerraLib4.
*/
 
#ifndef __TERRALIB_SA_INTERNAL_GEOSTATISTICALMETHODSEMIVARIOGRAM_H
#define __TERRALIB_SA_INTERNAL_GEOSTATISTICALMETHODSEMIVARIOGRAM_H
 
// Terralib Includes
#include "GeostatisticalMethod.h"
 
namespace te
{
  namespace sa
  {
    /*!
      \class GeostatisticalMethodSemivariogram
 
      \brief Semivariogram is a function describing the degree of spatial dependence of a spatial random field.
             It is defined as the variance of the difference between field values at two locations (x and y) 
             across realizations of the field.
 
    */
    class TESAEXPORT GeostatisticalMethodSemivariogram : public te::sa::GeostatisticalMethod
    {
      public:
 
        /*! \brief Default constructor. */
        GeostatisticalMethodSemivariogram();
 
        /*! \brief Virtual destructor. */
        virtual ~GeostatisticalMethodSemivariogram();
 
      public:
 
        /*! \brief Function to calculate the geostatistical information. */
        virtual boost::numeric::ublas::matrix<double> calculate();
    };
  } // end namespace sa
} // end namespace te
 
#endif //__TERRALIB_SA_INTERNAL_GEOSTATISTICALMETHODSEMIVARIOGRAM_H