ossimRsmModel.h

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//---
// File: ossimRsmModel.h
//---
#ifndef ossimRsmModel_H
#define ossimRsmModel_H 1

#include <ossim/projection/ossimSensorModel.h>
#include <ossim/support_data/ossimRsmida.h>
#include <ossim/support_data/ossimRsmpca.h>
#include <ossim/support_data/ossimRsmpia.h>
#include <iosfwd>
#include <vector>

class OSSIM_DLL ossimRsmModel : public ossimSensorModel
{
public:

   ossimRsmModel();

   ossimRsmModel( const ossimRsmModel& obj );

   const ossimRsmModel& operator=( const ossimRsmModel& rhs );

   virtual void  worldToLineSample(const ossimGpt& world_point,
                                   ossimDpt&       image_point) const;
 

   virtual void  lineSampleToWorld(const ossimDpt& image_point,
                                   ossimGpt&       world_point) const;
   virtual void lineSampleHeightToWorld(const ossimDpt& image_point,
                                        const double&   heightEllipsoid,
                                        ossimGpt&       worldPoint) const;
   
   virtual void imagingRay(const ossimDpt& image_point,
                           ossimEcefRay&   image_ray) const;

   virtual void updateModel();
   virtual void initAdjustableParameters();

   virtual ossimObject* dup() const;

   inline virtual bool useForward()const {return false;}


   virtual std::ostream& print(std::ostream& out) const;

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

   ossim_uint32 getPcaIndex( const double& x, const double& y, const double& z ) const;

   ossim_uint32 getPcaIndex( const ossimDpt& ipt, bool shiftPoint ) const;

   void lowOrderPolynomial( const double& x, const double& y, const double& z,
                            ossimDpt& ipt ) const;
   
   double polynomial( const double& x, const double& y, const double& z,
                      const ossim_uint32& maxx, const ossim_uint32& maxy,
                      const ossim_uint32& maxz,
                      std::vector<double> pcf ) const;
   
   double dPoly_dLat( const double& x, const double& y, const double& z,
                      const ossim_uint32& maxx, const ossim_uint32& maxy,
                      const ossim_uint32& maxz,
                      std::vector<double> pcf) const;
   
   double dPoly_dLon( const double& x, const double& y, const double& z,
                      const ossim_uint32& maxx, const ossim_uint32& maxy,
                      const ossim_uint32& maxz,
                      std::vector<double> pcf ) const;
   
   double dPoly_dHgt( const double& x, const double& y, const double& z,
                      const ossim_uint32& maxx, const ossim_uint32& maxy,
                      const ossim_uint32& maxz,
                      std::vector<double> pcf ) const;

   bool validate() const;
   
   virtual ~ossimRsmModel();

   ossimRsmida m_ida;
   ossimRsmpia m_pia;
   std::vector<ossimRsmpca> m_pca;

   TYPE_DATA
      
}; // End: class ossimRsmModel

#endif /* #ifndef ossimRsmModel_H */