ossimWktProjectionFactory.h

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//*******************************************************************
//
// License:  See top level LICENSE.txt file.
// 
// Author:  Oscar Kramer
//
//*******************************************************************
//  $Id: ossimWktProjectionFactory.h 22924 2014-10-27 16:32:58Z okramer $

#ifndef ossimWktProjectionFactory_HEADER
#define ossimWktProjectionFactory_HEADER

#include <ossim/projection/ossimProjectionFactoryBase.h>
#include <ossim/base/ossimFilename.h>
#include <ossim/base/ossimRefPtr.h>

class ossimProjection;
class ossimString;
class ossimMapProjection;
class ossimDatum;

//*************************************************************************************************
//*************************************************************************************************
class OSSIMDLLEXPORT ossimWktProjectionFactory : public ossimProjectionFactoryBase
{
public:
   static ossimWktProjectionFactory* instance();

   virtual ossimProjection* createProjection(const ossimFilename& filename,
                                             ossim_uint32 entryIdx) const;

   virtual ossimProjection* createProjection(const ossimString& name) const;

   virtual ossim_uint32 getCode(const ossimString& name);

   virtual ossimProjection* createProjection(const ossimKeywordlist& kwl,
                                             const char* prefix = 0)const;

   virtual ossimObject* createObject(const ossimString& typeName)const;
   virtual ossimObject* createObject(const ossimKeywordlist& kwl, const char* prefix=0)const;
   
   virtual void getTypeNameList(std::vector<ossimString>& typeList) const;

protected:

   ossimWktProjectionFactory() {}

   ossimProjection* doTransverseMercator(const ossimKeywordlist& kwl)const;
   ossimProjection* doMercator(const ossimKeywordlist& kwl)const;
   ossimProjection* doLambertConformalConic(const ossimKeywordlist& kwl) const;
   ossimProjection* doEquiDistCylindrical(const ossimKeywordlist& kwl) const;
   ossimProjection* doEquiAreaCylindrical(const ossimKeywordlist& kwl) const;

   void loadRecords() const;

   template<class T> void doMapCommon(const ossimKeywordlist& kwl, T proj) const;

   static ossimWktProjectionFactory*  m_instance; 
   mutable std::map<std::string, ossim_uint32> m_wktProjRecords;

};

#endif