#ifndef ossimGeneralRasterElevationDatabase_HEADER
#define ossimGeneralRasterElevationDatabase_HEADER 1

#include <ossim/elevation/ossimElevationCellDatabase.h>
#include <ossim/base/ossimFilename.h>
#include <ossim/elevation/ossimGeneralRasterElevHandler.h>
#include <OpenThreads/Mutex>

class OSSIM_DLL ossimGeneralRasterElevationDatabase : public ossimElevationCellDatabase
{
public:
   ossimGeneralRasterElevationDatabase()
   :ossimElevationCellDatabase()
   {
   }
   ossimGeneralRasterElevationDatabase(const ossimGeneralRasterElevationDatabase& rhs)
   :ossimElevationCellDatabase(rhs)
   {
   }
   virtual ~ossimGeneralRasterElevationDatabase()
   {
      if(m_cellHandler.valid())
      {
         m_cellHandler->close();
      }
      m_cellHandler = 0;
   }

   virtual ossimObject* dup() const
   {
      ossimGeneralRasterElevationDatabase* duped = new ossimGeneralRasterElevationDatabase;
      duped->open(m_connectionString);
      return duped;
   }

   virtual bool open(const ossimString& connectionString);
   virtual bool pointHasCoverage(const ossimGpt& gpt) const;

   virtual bool getAccuracyInfo(ossimElevationAccuracyInfo& /*info*/, const ossimGpt& /*gpt*/) const
   {
      return false;
   }

   /**
    * METHODS: accuracyLE90(), accuracyCE90()
    * Returns the vertical and horizontal accuracy (90% confidence) in the
    * region of gpt:
    */
//   virtual double getAccuracyLE90(const ossimGpt& /* gpt */) const
//   {
//      std::cout << "ossimGeneralElevationDatabase::getAccuracyLE90 \n";
//      return 0.0;
//   }
//   virtual double getAccuracyCE90(const ossimGpt& /* gpt */) const
 //  {
 //     std::cout << "ossimGeneralElevationDatabase::getAccuracyCE90 \n";
 //     return 0.0;
 //  }
   virtual double getHeightAboveMSL(const ossimGpt&);
   virtual double getHeightAboveEllipsoid(const ossimGpt& gpt);
   virtual bool loadState(const ossimKeywordlist& kwl, const char* prefix = 0);
   virtual bool saveState(ossimKeywordlist& kwl, const char* prefix = 0)const;
   virtual ossim_uint64 createId(const ossimGpt& /* pt */)const
   {
     return 0;
   }
   
   virtual std::ostream& print(std::ostream& out) const;

protected:
   ossimRefPtr<ossimGeneralRasterElevHandler> m_cellHandler;
   bool openGeneralRasterDirectory(const ossimFilename& dir);
   void createRelativePath(ossimFilename& file, const ossimGpt& gpt)const;
   void createFullPath(ossimFilename& file, const ossimGpt& gpt)const
   {
      ossimFilename relativeFile;
      createRelativePath(relativeFile, gpt);
      file = ossimFilename(m_connectionString).dirCat(relativeFile);
   }
   ossimRefPtr<ossimElevCellHandler> createHandler(const ossimGpt& /* gpt */);
   virtual ossimRefPtr<ossimElevCellHandler> createCell(const ossimGpt& /* gpt */);
   
   
   TYPE_DATA
};
#endif