ossimGeoidManager.h

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//*******************************************************************
//
// License:  See top level LICENSE.txt file.
//
// AUTHOR: Oscar Kramer
//
// DESCRIPTION: Contains declaration of class ossimGeoidManager. Maintains
//   a list of geoids.
//
// LIMITATIONS: None.
//
//*****************************************************************************
//  $Id: ossimGeoidManager.h 22900 2014-09-30 09:56:11Z dburken $

#ifndef ossimGeoidManager_HEADER
#define ossimGeoidManager_HEADER

#include <vector>
#include <ossim/base/ossimRefPtr.h>
#include <ossim/base/ossimGeoid.h>
/*****************************************************************************
 *
 * CLASS: ossimGeoidManager 
 *
 *****************************************************************************/
class OSSIMDLLEXPORT ossimGeoidManager : public ossimGeoid
{
public:


   virtual ~ossimGeoidManager();
      
   static ossimGeoidManager* instance();

   
   virtual bool open(const ossimFilename& dir, ossimByteOrder byteOrder);

   virtual double offsetFromEllipsoid(const ossimGpt& gpt);

   virtual bool saveState(ossimKeywordlist& kwl,
                          const char* prefix=0) const;

   virtual bool loadState(const ossimKeywordlist& kwl,
                          const char* prefix=0);

   virtual void addGeoid(ossimRefPtr<ossimGeoid> geoid, bool toFrontFlag=false);

   ossimGeoid* findGeoidByShortName(const ossimString& shortName, bool caseSensitive=true);

   virtual void clear();

private:
   ossimGeoidManager();

   //static ossimGeoidManager* theInstance;
   mutable std::vector< ossimRefPtr<ossimGeoid> > theGeoidList;
   
   // will use this as a identity if one wants but don't want it part of the internal list
   //
   ossimRefPtr<ossimGeoid> theIdentityGeoid;
   
   TYPE_DATA
};

#endif