ossimNadconGridDatum.h

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#ifndef ossimNadconGridDatum_HEADER
#define ossimNadconGridDatum_HEADER 1

#include <ossim/base/ossimConstants.h>
#include <ossim/base/ossimThreeParamDatum.h>
#include <ossim/base/ossimNadconGridFile.h>
#include <ossim/base/ossimDrect.h>

class OSSIM_DLL ossimNadconGridDatum : public ossimThreeParamDatum
{
public:
  ossimNadconGridDatum(const ossimFilename& datumDirectory,
               const ossimString &code, 
               const ossimString &name,
               const ossimEllipsoid* anEllipsoid,
               double sigmaX,
               double sigmaY,
               double sigmaZ,
               double westLongitude,
               double eastLongitude,
               double southLatitude,
               double northLatitude,
               double param1,
               double param2,
               double param3);

protected:
  mutable ossimDrect theConusRect;
  mutable ossimDrect theHawaiiRect;
  mutable ossimDrect theAlaskaRect;
  mutable ossimDrect theStGeorgeRect;
  mutable ossimDrect theLatStLaurenceRect;
  mutable ossimDrect theStPaulRect;
  mutable ossimDrect thePrviRect;
  
  mutable ossimNadconGridFile theLatGrid;
  mutable ossimNadconGridFile theLonGrid;
  
  mutable ossimDrect    theCurrentGridRect;
  ossimFilename theDatumDirectory;
  
  void checkGrid(const ossimDpt& latLon)const;
   
   TYPE_DATA;   
};

#endif