ossimElevCellHandler.h

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//*****************************************************************************
// FILE: ossimElevCellHandler.h
//
// License:  See top level LICENSE.txt file.
//
// DESCRIPTION:
//   Contains declaration of class osimElevHandler. This class provides a
//   base-class interface for the various DEM file formats.
//
// SOFTWARE HISTORY:
//>
//   13Apr2001  Oscar Kramer
//              Initial coding.
//<
//*****************************************************************************
// $Id: ossimElevCellHandler.h 23117 2015-01-29 22:33:13Z okramer $


#ifndef ossimElevCellHandler_HEADER
#define ossimElevCellHandler_HEADER

#include <ossim/base/ossimConstants.h>
#include <ossim/elevation/ossimElevSource.h>
#include <ossim/base/ossimFilename.h>
#include <ossim/base/ossimIpt.h>

class ossimGpt;

/******************************************************************************
 *
 * CLASS:  ossimElevCellHandler
 *
 *****************************************************************************/
class OSSIM_DLL ossimElevCellHandler : public ossimElevSource
{
public:
   ossimElevCellHandler (const char* elev_filename);
   ossimElevCellHandler (const ossimElevCellHandler& src);

   virtual const ossimFilename& getFilename() const;
   
   
   virtual ossimIpt getSizeOfElevCell() const = 0;

   virtual double getPostValue(const ossimIpt& gridPt) const = 0;
      
   virtual double getMeanSpacingMeters() const;

   virtual bool pointHasCoverage(const ossimGpt&) const;

   virtual bool getAccuracyInfo(ossimElevationAccuracyInfo& info, const ossimGpt& gpt) const;
 // virtual double getAccuracyLE90(const ossimGpt&) const;
 //  virtual double getAccuracyCE90(const ossimGpt&) const;

   bool canConnectMyInputTo(ossim_int32 inputIndex,
                            const ossimConnectableObject* object)const;
   virtual void close(){}
   virtual bool open(const ossimFilename&, bool=false){return false;}
      
   virtual std::ostream& print(std::ostream& out) const;

protected:
   ossimElevCellHandler ();
   virtual ~ossimElevCellHandler();
   
   ossimFilename        theFilename;
   double               theMeanSpacing;  // meters
   double               theAbsLE90;
   double               theAbsCE90;


   
TYPE_DATA
};

inline bool ossimElevCellHandler::pointHasCoverage(const ossimGpt& gpt) const
{
   return theGroundRect.pointWithin(gpt);
}

#endif