Raster.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/grib/Raster.h

  \brief A raster class for GRIB format.
*/

#ifndef __TERRALIB_GRIB_INTERNAL_RASTER_H
#define __TERRALIB_GRIB_INTERNAL_RASTER_H

// TerraLib
#include "../raster/Raster.h"
#include "Config.h"

// STL
#include <cstdio>

// Grib API
#include <grib_api.h>

namespace te
{
  namespace grib
  {
// Forward declaration
    class Band;

    /*!
      \class Raster

      \brief A raster class for GRIB format.
    */
    class TEGRIBEXPORT Raster: public te::rst::Raster
    {
      public:

        Raster();

        // Raster(te::rst::Grid* grid, te::common::AccessPolicy p = te::common::RAccess);

        Raster(const Raster& rhs);

        ~Raster();

        void open(const std::map<std::string, std::string>& rinfo, te::common::AccessPolicy p = te::common::RAccess);

        void open(void* h, const std::map<std::string, std::string>& rinfo, te::common::AccessPolicy p = te::common::RAccess, void (*deleter)(void*) = 0);

        std::map<std::string, std::string> getInfo() const;

        std::size_t getNumberOfBands() const;

        int getBandDataType(std::size_t i) const;

        const te::rst::Band* getBand(std::size_t i) const;

        te::rst::Band* getBand(std::size_t i);

        const te::rst::Band& operator[](std::size_t i) const;

        te::rst::Band& operator[](std::size_t i);

        te::dt::AbstractData* clone() const;

        void close();

        void setGridSatelliteRep();

        void setGridLatLngRep();

        void setGridReducedGGRep();

        void create(te::rst::Grid *g, const std::vector< te::rst::BandProperty * > bands, const std::map< std::string, std::string > &rinfo, void *h = 0, void(*deleter)(void *) = 0)
        {
          // see terralib/memory/Raster.cpp (create)
          // to be implemented
        }

        bool createMultiResolution( const unsigned int levels, const te::rst::InterpolationMethod interpMethod )
        {
          return false;
        };
        
        bool removeMultiResolution() { return false; }; 
        
        unsigned int getMultiResLevelsCount() const
        {
          return 0;        
        }
        
        te::rst::Raster* getMultiResLevel( const unsigned int level ) const
        {
          return 0;         
        }  
          
      protected:

        std::vector<Band*> m_bands;       //!< The list of data bands.
        FILE* m_file;                     //!< file

        static grib_context* sm_context;  //!< Grib API context
        // void (*m_deleter)(void*);                //!< A pointer to a deleter function, if the buffer needs to be deleted by this object.
    };

  } // end namespace grib
}   // end namespace te

#endif //__TERRALIB_GRIB_INTERNAL_RASTER_H