ossimGeometricSarSensorModel.h

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//----------------------------------------------------------------------------
//
// "Copyright Centre National d'Etudes Spatiales"
//
// License:  LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
//----------------------------------------------------------------------------
// $Id$

#ifndef ossimGeometricSarSensorModel_H
#define ossimGeometricSarSensorModel_H 1

#include <ossim/plugin/ossimPluginConstants.h>
#include <ossim/projection/ossimSensorModel.h>
#include <ossim/projection/ossimCoarseGridModel.h>

#include <list>
#include <vector>

namespace ossimplugins
{

class PlatformPosition;
class SensorParams;
class RefPoint;
class SarSensor;
class JSDDateTime;

class OSSIM_PLUGINS_DLL ossimGeometricSarSensorModel : public ossimSensorModel
{
public:
   static const char* CREATE_OCG_PREF_KW;

   ossimGeometricSarSensorModel();

   ossimGeometricSarSensorModel(const ossimGeometricSarSensorModel& rhs);

   virtual ~ossimGeometricSarSensorModel();

   virtual double getSlantRangeFromGeoreferenced(double col) const=0;

   virtual double getSlantRange(double col) const;

   virtual JSDDateTime getTime(double line) const;
 
  virtual bool getPlatformPositionAtLine(double line, vector<double>& position, vector<double>& speed);

   virtual void lineSampleHeightToWorld(const ossimDpt& image_point,
                                        const double&   heightEllipsoid,
                                        ossimGpt&       worldPoint) const;


   virtual bool optimizeModel(const std::list<ossimGpt> & groundCoordinates,
                              const std::list<ossimDpt> & imageCoordinates) ;

   virtual void clearGCPlist() ;

   virtual void getGCPlist(std::list<ossimGpt> &groundCoordinates,
                           std::list<ossimDpt> & imageCoordinates) ;



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

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

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

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

   double get_optimizationFactorX() const { return _optimizationFactorX; }
   double get_optimizationFactorY() const { return _optimizationFactorY; }
   double get_optimizationBiasX()   const { return _optimizationBiasX; }
   double get_optimizationBiasY()   const { return _optimizationBiasY; }

   ossimRefPtr<ossimCoarseGridModel> getReplacementOcgModel() { return _replacementOcgModel; }

   virtual void lineSampleToWorld(const ossimDpt& image_point,
                                  ossimGpt&       gpt) const;

   void set_platformPosition(PlatformPosition* platformPosition);
   void set_sensorParams(SensorParams* sensorParams);
   void set_refPoint(RefPoint* refPoint);
   PlatformPosition* get_platformPosition() const;
   SensorParams* get_sensorParams() const;
   RefPoint* get_refPoint()  const;

protected:
   bool createReplacementOCG();

   PlatformPosition *_platformPosition;
   SensorParams * _sensor;
   RefPoint * _refPoint;
   // Note that this is only mutable because of bad design of the
   // classes, with a bunch of classes initializing the variables of
   // the base class directly, the 3 variable above must be made
   // private.
   mutable SarSensor* _sarSensor;

   bool _isProductGeoreferenced ;

   std::list<ossimGpt> _optimizationGCPsGroundCoordinates ;
   std::list<ossimDpt> _optimizationGCPsImageCoordinates  ;

   double _optimizationFactorX ;
   double _optimizationFactorY ;
   double _optimizationBiasX ;
   double _optimizationBiasY ;

   ossimFilename _imageFilename;
   ossimFilename _productXmlFile;

   ossimRefPtr<ossimCoarseGridModel> _replacementOcgModel;

private:
   virtual bool InitPlatformPosition(const ossimKeywordlist &kwl, const char *prefix)=0;
   virtual bool InitSensorParams(const ossimKeywordlist &kwl, const char *prefix)=0;
   virtual bool InitRefPoint(const ossimKeywordlist &kwl, const char *prefix)=0;
   virtual bool InitSRGR(const ossimKeywordlist &kwl, const char *prefix)=0;


TYPE_DATA

};
}

#endif