This class allows for direct localisation and indirect localisation using the CosmoSkymed sensor model. More...

#include <ossimCosmoSkymedModel.h>

Inheritance diagram for ossimplugins::ossimCosmoSkymedModel:

Public Member Functions
	ossimCosmoSkymedModel ()
	Constructor. More...

	~ossimCosmoSkymedModel ()
	Destructor. More...

virtual double	getSlantRangeFromGeoreferenced (double col) const
	This function associates an image column number to a slant range when the image is georeferenced (ground projected) More...

Public Member Functions inherited from ossimplugins::ossimGeometricSarSensorModel
	ossimGeometricSarSensorModel ()
	default constructor More...

	ossimGeometricSarSensorModel (const ossimGeometricSarSensorModel &rhs)
	copy constructor More...

virtual	~ossimGeometricSarSensorModel ()
	Destructor. More...

virtual double	getSlantRange (double col) const
	This function associates an image column number to a slant range. More...

virtual JSDDateTime	getTime (double line) const
	This function associates an image line number to an azimuth time. More...

virtual bool	getPlatformPositionAtLine (double line, vector< double > &position, vector< double > &speed)
	This function associates an image line number to a platform position and speed. More...

virtual void	lineSampleHeightToWorld (const ossimDpt &image_point, const double &heightEllipsoid, ossimGpt &worldPoint) const
	This function is able to convert image coordinates into world coordinates the geometric model of SAR sensors. More...

virtual bool	optimizeModel (const std::list< ossimGpt > &groundCoordinates, const std::list< ossimDpt > &imageCoordinates)
	This function optimizes the model according to a list of Ground Control Points. More...

virtual void	clearGCPlist ()
	Clears _optimizationGCPsGroundCoordinates and _optimizationGCPsImageCoordinates attributes Updates the optimisation factors and bias. More...

virtual void	getGCPlist (std::list< ossimGpt > &groundCoordinates, std::list< ossimDpt > &imageCoordinates)
	Returns _optimizationGCPsGroundCoordinates and _optimizationGCPsImageCoordinates attributes. More...

virtual bool	useForward () const

virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
	Method to save object state to a keyword list. More...

virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
	Method to the load (recreate) the state of the object from a keyword list. More...

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

double	get_optimizationFactorX () const
	Accessors to the optimization parameters. More...

double	get_optimizationFactorY () const

double	get_optimizationBiasX () const

double	get_optimizationBiasY () const

ossimRefPtr< ossimCoarseGridModel >	getReplacementOcgModel ()

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

void	set_platformPosition (PlatformPosition *platformPosition)
	Accessors to the plateform, sensor parameters and reference point. More...

void	set_sensorParams (SensorParams *sensorParams)

void	set_refPoint (RefPoint *refPoint)

PlatformPosition *	get_platformPosition () const

SensorParams *	get_sensorParams () const

RefPoint *	get_refPoint () const

Public Member Functions inherited from ossimSensorModel
	ossimSensorModel ()

	ossimSensorModel (const ossimSensorModel &copy_this)

	ossimSensorModel (const ossimKeywordlist &geom_kwl)

const ossimSensorModel &	operator= (const ossimSensorModel &rhs)
	assignment operator More...

virtual ossimObject *	getBaseObject ()

virtual const ossimObject *	getBaseObject () const

virtual ossimGpt	origin () const

virtual ossimDpt	getMetersPerPixel () const

virtual const double &	getNominalPosError () const
	Returns the estimated Absolute horizontal position error (CE90) of the sensor model. More...

virtual const double &	getRelativePosError () const
	Returns the estimated RELATIVE horizontal position error (CE90) of the sensor model. More...

virtual void	setNominalPosError (const double &ce90)
	Assigns the absolute image position error uncertainty (abs CE90) More...

virtual void	setRelativePosError (const double &ce90)
	Assigns the relative image position error uncertainty (rel CE90) More...

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

virtual void	imagingRay (const ossimDpt &image_point, ossimEcefRay &image_ray) const

void	setRefImgPt (const ossimDpt &pt)
	Sets the center line sampe of the image. More...

void	setRefGndPt (const ossimGpt &pt)
	Sets the center latitude, longitude, height of the image. More...

void	setImageRect (const ossimDrect &imageRect)

void	setGroundRect (const ossimGpt &ul, const ossimGpt &ur, const ossimGpt &lr, const ossimGpt &ll)

ossimDpt	imageSize () const

void	setImageSize (const ossimDpt &size)

virtual void	adjustableParametersChanged ()

virtual void	updateModel ()

virtual bool	insideImage (const ossimDpt &p) const

virtual bool	operator== (const ossimProjection &proj) const

const ossimString &	getImageID () const
	Access methods: More...

const ossimDrect &	getImageClipRect () const

virtual ossim_uint32	degreesOfFreedom () const

virtual bool	needsInitialState () const
	needsInitialState() More...

virtual double	optimizeFit (const ossimTieGptSet &tieSet, double *targetVariance=0)

virtual ossimDpt	getForwardDeriv (int parmIdx, const ossimGpt &gpos, double hdelta=1e-11)

virtual ossimGpt	getInverseDeriv (int parmIdx, const ossimDpt &ipos, double hdelta=1e-11)

virtual ossimSensorModel::CovMatStatus	getObsCovMat (const ossimDpt &ipos, NEWMAT::SymmetricMatrix &Cov, const ossim_float64 defPointingSigma=0.5) const
	Gives 2X2 covariance matrix of observations. More...

virtual bool	isAffectedByElevation () const
	Implementation of pure virtual ossimProjection::isAffectedByElevation method. More...

void	computeGsd ()
	This method computes the ground sample distance(gsd) and sets class attributes theGSD and theMeanGSD by doing a lineSampleHeightToWorld on four points and calculating the distance from them. More...

virtual bool	getImageGeometry (const ossimString &, const ossimString &, ossimKeywordlist &) const
	Extracts geometry info from a non-ossim key,value pair to an ossim keyword list. More...

Public Member Functions inherited from ossimProjection
	ossimProjection ()

virtual	~ossimProjection ()

virtual ossimObject *	dup () const =0

virtual ossimDpt	forward (const ossimGpt &wp) const

virtual ossimGpt	inverse (const ossimDpt &pp) const

virtual void	getRoundTripError (const ossimDpt &imagePoint, ossimDpt &errorResult) const

virtual void	getRoundTripError (const ossimGpt &groundPoint, ossimDpt &errorResult) const

virtual void	getGroundClipPoints (ossimGeoPolygon &gpts) const

virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const

virtual bool	operator!= (const ossimProjection &projection) const

Public Member Functions inherited from ossimObject
	ossimObject ()

virtual	~ossimObject ()

virtual ossimString	getShortName () const

virtual ossimString	getLongName () const

virtual ossimString	getDescription () const

virtual ossimString	getClassName () const

virtual RTTItypeid	getType () const

virtual bool	canCastTo (ossimObject *obj) const

virtual bool	canCastTo (const RTTItypeid &id) const

virtual bool	canCastTo (const ossimString &parentClassName) const

virtual void	accept (ossimVisitor &visitor)

Public Member Functions inherited from ossimReferenced
	ossimReferenced ()

	ossimReferenced (const ossimReferenced &)

ossimReferenced &	operator= (const ossimReferenced &)

void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...

void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

int	referenceCount () const

Public Member Functions inherited from ossimErrorStatusInterface
	ossimErrorStatusInterface ()

virtual	~ossimErrorStatusInterface ()

virtual ossimErrorCode	getErrorStatus () const

virtual ossimString	getErrorStatusString () const

virtual void	setErrorStatus (ossimErrorCode error_status) const

virtual void	setErrorStatus () const

virtual void	clearErrorStatus () const

bool	hasError () const

Public Member Functions inherited from ossimOptimizableProjection
	ossimOptimizableProjection ()

	ossimOptimizableProjection (const ossimOptimizableProjection &source)

virtual	~ossimOptimizableProjection ()

virtual ossimOptimizableProjection &	operator= (const ossimOptimizableProjection &source)

virtual bool	setupOptimizer (const ossimString &setup)
	setupFromString() Derived classes should implement as needed. Initialize parameters needed for optimizeFit and degreesOfFreedom More...

Public Member Functions inherited from ossimAdjustableParameterInterface
	ossimAdjustableParameterInterface ()

	ossimAdjustableParameterInterface (const ossimAdjustableParameterInterface &rhs)

virtual	~ossimAdjustableParameterInterface ()

void	newAdjustment (ossim_uint32 numberOfParameters=0)

void	setAdjustmentDescription (const ossimString &description)

ossimString	getAdjustmentDescription () const

ossimString	getAdjustmentDescription (ossim_uint32 adjustmentIdx) const
	Returns adjustmentDescription of specific adjustmentInfo. More...

void	setCurrentAdjustment (ossim_uint32 adjustmentIndex, bool notify=false)

bool	setCurrentAdjustment (const ossimString &description, bool notify=false)
	Sets the current adjustment to the adjustment with a matching description. More...

void	eraseAdjustment (bool notify)

void	eraseAdjustment (ossim_uint32 idx, bool notify)

virtual void	initAdjustableParameters ()

void	resetAdjustableParameters (bool notify=false)

void	copyAdjustment (ossim_uint32 idx, bool notify)

void	copyAdjustment (bool notify=false)

void	keepAdjustment (ossim_uint32 idx, bool createCopy)

virtual void	keepAdjustment (bool createCopy=true)

const ossimAdjustableParameterInterface &	operator= (const ossimAdjustableParameterInterface &rhs)

void	removeAllAdjustments ()

ossim_uint32	getNumberOfAdjustableParameters () const

double	getAdjustableParameter (ossim_uint32 idx) const

virtual void	setAdjustableParameter (ossim_uint32 idx, double value, bool notify=false)

virtual void	setAdjustableParameter (ossim_uint32 idx, double value, double sigma, bool notify=false)

double	getParameterSigma (ossim_uint32 idx) const

void	setParameterSigma (ossim_uint32 idx, double value, bool notify=false)

ossimUnitType	getParameterUnit (ossim_uint32 idx) const

void	setParameterUnit (ossim_uint32 idx, ossimUnitType unit)

void	setParameterUnit (ossim_uint32 idx, const ossimString &unit)

void	setParameterCenter (ossim_uint32 idx, double center, bool notify=false)

double	getParameterCenter (ossim_uint32 idx) const

double	computeParameterOffset (ossim_uint32 idx) const

void	setParameterOffset (ossim_uint32 idx, ossim_float64 value, bool notify=false)

ossimString	getParameterDescription (ossim_uint32 idx) const

void	setParameterDescription (ossim_uint32 idx, const ossimString &descrption)

ossim_int32	findParameterIdxGivenDescription (ossim_uint32 adjustmentIdx, const ossimString &name) const

ossim_int32	findParameterIdxContainingDescription (ossim_uint32 adjustmentIdx, const ossimString &name) const

bool	isParameterLocked (ossim_uint32 idx) const

void	setParameterLockFlag (ossim_uint32 idxParam, bool flag)

bool	getParameterLockFlag (ossim_uint32 idx) const

void	lockAllParametersCurrentAdjustment ()

void	unlockAllParametersCurrentAdjustment ()

void	lockAllParameters (ossim_uint32 idxAdjustment)

void	unlockAllParameters (ossim_uint32 idxAdjustment)

void	resizeAdjustableParameterArray (ossim_uint32 numberOfParameters)

void	setAdjustment (const ossimAdjustmentInfo &adj, bool notify=false)

void	setAdjustment (ossim_uint32 idx, const ossimAdjustmentInfo &adj, bool notify=false)

void	addAdjustment (const ossimAdjustmentInfo &adj, bool notify)

void	getAdjustment (ossimAdjustmentInfo &adj) const

void	getAdjustment (ossim_uint32 idx, ossimAdjustmentInfo &adj) const

ossim_uint32	getNumberOfAdjustments () const

ossim_uint32	getCurrentAdjustmentIdx () const

void	setDirtyFlag (bool flag=true)

void	setAllDirtyFlag (bool flag=true)

bool	hasDirtyAdjustments () const

virtual void	saveCurrentAdjustmentOnly (ossimKeywordlist &kwl, const ossimString &prefix=ossimString(""))
	Saves the current active adjustment to the KWL file. More...

bool	saveAdjustments (ossimKeywordlist &kwl, const ossimString &prefix=ossimString("")) const
	Save all adjustments to the KWL file. More...

bool	loadAdjustments (const ossimKeywordlist &kwl, const ossimString &prefix=ossimString(""))

std::ostream &	print (std::ostream &out) const
	Dumps the currently active adjustment to ostream. More...

Protected Attributes
double	_nbCol
	Number of columns. More...

double	_SrGr_R0
	Slant Range for each Ground Range Projection reference point. More...

std::vector< double >	_SrGr_coeffs
	Slant Range for each Ground Range Projection coefficients. More...

double	_sceneCenterRangeTime
	Scene Center range time. More...

double	_pixel_spacing
	Pixel spacing. More...

Protected Attributes inherited from ossimplugins::ossimGeometricSarSensorModel
PlatformPosition *	_platformPosition
	Handle the position of the platform. More...

SensorParams *	_sensor

RefPoint *	_refPoint

SarSensor *	_sarSensor

bool	_isProductGeoreferenced
	True iff the product is ground range. More...

std::list< ossimGpt >	_optimizationGCPsGroundCoordinates
	List Ground Control Points used by the optimization. More...

std::list< ossimDpt >	_optimizationGCPsImageCoordinates

double	_optimizationFactorX
	Optimization result : linear error correction in both dimensions. More...

double	_optimizationFactorY

double	_optimizationBiasX

double	_optimizationBiasY

ossimFilename	_imageFilename

ossimFilename	_productXmlFile

ossimRefPtr< ossimCoarseGridModel >	_replacementOcgModel

Protected Attributes inherited from ossimSensorModel
ossimIpt	theImageSize

ossimDpt	theSubImageOffset

ossimString	theImageID

ossimString	theSensorID

ossimDpt	theGSD

ossim_float64	theMeanGSD

ossimGpt	theRefGndPt

ossimDpt	theRefImgPt

ossimPolygon	theBoundGndPolygon

ossimDrect	theImageClipRect

ossim_float64	theRelPosError

ossim_float64	theNominalPosError

ossimDpt	theParWRTx
	Partials for current point. More...

ossimDpt	theParWRTy

ossimDpt	theParWRTz

ossimDpt	theObs
	Observations & residuals for current point. More...

ossimDpt	theResid

ossimRefPtr< ossimProjection >	theSeedFunction
	Used as an initial guess for iterative solutions and a guess for points outside the support bounds. More...

bool	theExtrapolateImageFlag

bool	theExtrapolateGroundFlag

Protected Attributes inherited from ossimErrorStatusInterface
ossimErrorCode	theErrorStatus

Private Member Functions
virtual bool	InitPlatformPosition (const ossimKeywordlist &kwl, const char *prefix)
	Initializes the Platform Position from a projection keywordlist. More...

virtual bool	InitSensorParams (const ossimKeywordlist &kwl, const char *prefix)
	Initializes the Sensor Params from a projection keywordlist. More...

virtual bool	InitRefPoint (const ossimKeywordlist &kwl, const char *prefix)
	Initializes the Reference Point from a projection keywordlist. More...

virtual bool	InitSRGR (const ossimKeywordlist &kwl, const char *prefix)
	Initializes the Slant Range to Ground Range data sets : _SrToGr_R0,_SrToGr_coeffs_number,_SrToGr_exponent,_SrToGr_coeffs,_nbCol. More...

bool	UtcDateTimeStringToCivilDate (const std::string &utcString, CivilDateTime &outputDate)

Additional Inherited Members
Public Types inherited from ossimSensorModel
enum	CovMatStatus { COV_INVALID = 0, COV_PARTIAL = 1, COV_FULL = 2 }

enum	DeriveMode { OBS_INIT =-99, EVALUATE =-98, P_WRT_X = -1, P_WRT_Y = -2, P_WRT_Z = -3 }

Static Public Member Functions inherited from ossimSensorModel
static void	writeGeomTemplate (ostream &os)

Static Public Attributes inherited from ossimplugins::ossimGeometricSarSensorModel
static const char *	CREATE_OCG_PREF_KW = "geometric_sar_sensor_model.create_ocg"

Protected Member Functions inherited from ossimplugins::ossimGeometricSarSensorModel
bool	createReplacementOCG ()
	Creates replacement coarse grid model if user requested via ossim preferences keyword "geometric_sar_sensor_model.create_ocg: <bool>". More...

Protected Member Functions inherited from ossimSensorModel
virtual	~ossimSensorModel ()

virtual ossimDpt	extrapolate (const ossimGpt &gp) const

virtual ossimGpt	extrapolate (const ossimDpt &ip, const double &height=ossim::nan()) const

void	buildNormalEquation (const ossimTieGptSet &tieSet, NEWMAT::SymmetricMatrix &A, NEWMAT::ColumnVector &residue, NEWMAT::ColumnVector &projResidue, double pstep_scale)

NEWMAT::ColumnVector	getResidue (const ossimTieGptSet &tieSet)

NEWMAT::ColumnVector	solveLeastSquares (NEWMAT::SymmetricMatrix &A, NEWMAT::ColumnVector &r) const

NEWMAT::Matrix	invert (const NEWMAT::Matrix &m) const
	stable invert stolen from ossimRpcSolver More...

Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Protected Member Functions inherited from ossimAdjustableParameterInterface
bool	paramChanged (ossim_uint32 param_idx) const
	Returns true if specified parameter has been modified since last setAllChangeFlag(false) call. More...

void	setAllChangeFlags (bool areChanged)
	Sets all the change flags to the boolean indicated to indicate parameters are changed (TRUE) or not (FALSE). More...

void	initChangeFlags ()
	Initializes the change flags to TRUE. More...

Detailed Description

This class allows for direct localisation and indirect localisation using the CosmoSkymed sensor model.

Definition at line 37 of file ossimCosmoSkymedModel.h.

Constructor & Destructor Documentation

◆ ossimCosmoSkymedModel()

ossimplugins::ossimCosmoSkymedModel::ossimCosmoSkymedModel ( )

Constructor.

Definition at line 31 of file ossimCosmoSkymedModel.cpp.

                                             :
   _nbCol(0),
   _SrGr_R0(0),
   _sceneCenterRangeTime(0),
   _pixel_spacing(0)
 {
 }

◆ ~ossimCosmoSkymedModel()

ossimplugins::ossimCosmoSkymedModel::~ossimCosmoSkymedModel ( )

Destructor.

Definition at line 39 of file ossimCosmoSkymedModel.cpp.

40 {

41 }

Member Function Documentation

◆ getSlantRangeFromGeoreferenced()

double ossimplugins::ossimCosmoSkymedModel::getSlantRangeFromGeoreferenced ( double col ) const

virtual

This function associates an image column number to a slant range when the image is georeferenced (ground projected)

Parameters

col	Column coordinate of the image point

Implements ossimplugins::ossimGeometricSarSensorModel.

Definition at line 43 of file ossimCosmoSkymedModel.cpp.

References _pixel_spacing, ossimplugins::ossimGeometricSarSensorModel::_refPoint, ossimplugins::ossimGeometricSarSensorModel::_sensor, _SrGr_coeffs, _SrGr_R0, ossimplugins::SensorParams::get_col_direction(), ossimplugins::RefPoint::get_distance(), and ossimplugins::RefPoint::get_pix_col().

 {
   // in the case of Georeferenced images, _refPoint->get_distance() contains the ground range
   double relativeGroundRange = _refPoint->get_distance() + _sensor->get_col_direction() * (col-_refPoint->get_pix_col())* _pixel_spacing ;
 
   double slantRange = _SrGr_coeffs[0]
               + _SrGr_coeffs[1]*(relativeGroundRange-_SrGr_R0)
               + _SrGr_coeffs[2]*(pow(relativeGroundRange,2)-_SrGr_R0)
               + _SrGr_coeffs[3]*(pow(relativeGroundRange,3)-_SrGr_R0)
               + _SrGr_coeffs[4]*(pow(relativeGroundRange,4)-_SrGr_R0)
               + _SrGr_coeffs[5]*(pow(relativeGroundRange,5)-_SrGr_R0);
 
   return  slantRange ;
 }

◆ InitPlatformPosition()

bool ossimplugins::ossimCosmoSkymedModel::InitPlatformPosition	(	const ossimKeywordlist &	kwl,
		const char *	prefix
	)

privatevirtual

Initializes the Platform Position from a projection keywordlist.

Implements ossimplugins::ossimGeometricSarSensorModel.

Definition at line 128 of file ossimCosmoSkymedModel.cpp.

References ossimplugins::ossimGeometricSarSensorModel::_platformPosition, ossimKeywordlist::find(), ossimplugins::CivilDateTime::get_day(), ossimplugins::CivilDateTime::get_month(), ossimplugins::CivilDateTime::get_year(), and UtcDateTimeStringToCivilDate().

 {
   /*
    * Retrieval of ephemerisis number
    */
   const char* neph_str = kwl.find(prefix,"neph");
   int neph = atoi(neph_str);
 
   /*
    * Retrieval of reference date
    */
   const char* referenceUTC_str = kwl.find(prefix,"referenceUTC");
   std::string referenceUTC(referenceUTC_str) ;
   CivilDateTime ref_civil_date;
   if (! UtcDateTimeStringToCivilDate(referenceUTC, ref_civil_date)) return false;
 
   /*
    * Retrieval of ephemerisis
    */
   Ephemeris** ephemeris = new Ephemeris*[neph];
   for (int i = 0; i < neph; ++i)
   {
     double pos[3];
     double vit[3];
     char name[64];
 
     sprintf(name,"eph%i_date",i);
     const char* date_str = kwl.find(prefix,name);
     float relative_date = atof(date_str);
 
     sprintf(name,"eph%i_posX",i);
     const char* px_str = kwl.find(prefix,name);
     pos[0] = atof(px_str);
 
     sprintf(name,"eph%i_posY",i);
     const char* py_str = kwl.find(prefix,name);
     pos[1] = atof(py_str);
 
     sprintf(name,"eph%i_posZ",i);
     const char* pz_str = kwl.find(prefix,name);
     pos[2] = atof(pz_str);
 
     sprintf(name,"eph%i_velX",i);
     const char* vx_str = kwl.find(prefix,name);
     vit[0] = atof(vx_str) ;
 
     sprintf(name,"eph%i_velY",i);
     const char* vy_str = kwl.find(prefix,name);
     vit[1] = atof(vy_str) ;
 
     sprintf(name,"eph%i_velZ",i);
     const char* vz_str = kwl.find(prefix,name);
     vit[2] = atof(vz_str) ;
     /*
      * Conversion to JSD Date
      */
     int second = (int) relative_date ;
     double decimal = relative_date - second ;
     CivilDateTime eph_civil_date(ref_civil_date.get_year(), ref_civil_date.get_month(), ref_civil_date.get_day(), second, decimal);
     JSDDateTime eph_jsd_date(eph_civil_date);
 
     GeographicEphemeris* eph = new GeographicEphemeris(eph_jsd_date,pos,vit);
 
     ephemeris[i] = eph;
   }
 
   /*
    * Creation of the platform position interpolator
    */
   if (_platformPosition != NULL)
   {
     delete _platformPosition;
   }
   _platformPosition = new PlatformPosition(ephemeris,neph);
 
   /*
    * Free of memory used by ephemerisis list : the constructor copies the ephemerisis
    */
   for (int i=0;i<neph;i++)
   {
     delete ephemeris[i];
   }
   delete[] ephemeris;
 
   return true;
 }

◆ InitRefPoint()

bool ossimplugins::ossimCosmoSkymedModel::InitRefPoint	(	const ossimKeywordlist &	kwl,
		const char *	prefix
	)

privatevirtual

Initializes the Reference Point from a projection keywordlist.

Implements ossimplugins::ossimGeometricSarSensorModel.

Definition at line 215 of file ossimCosmoSkymedModel.cpp.

References ossimplugins::ossimGeometricSarSensorModel::_isProductGeoreferenced, _pixel_spacing, ossimplugins::ossimGeometricSarSensorModel::_platformPosition, ossimplugins::ossimGeometricSarSensorModel::_refPoint, ossimplugins::ossimGeometricSarSensorModel::_sensor, distance(), ossimKeywordlist::find(), ossimplugins::CivilDateTime::get_day(), ossimplugins::CivilDateTime::get_month(), ossimplugins::SensorParams::get_nRangeLook(), ossimplugins::RefPoint::get_pix_col(), ossimplugins::SensorParams::get_prf(), ossimplugins::SensorParams::get_sf(), ossimplugins::CivilDateTime::get_year(), ossimplugins::PlatformPosition::Interpolate(), ossimplugins::ossimGeometricSarSensorModel::optimizeModel(), ossimplugins::RefPoint::set_distance(), ossimplugins::RefPoint::set_ephemeris(), ossimplugins::RefPoint::set_pix_col(), ossimplugins::RefPoint::set_pix_line(), ossimSensorModel::theImageClipRect, ossimSensorModel::theImageSize, UtcDateTimeStringToCivilDate(), ossimIpt::x, and ossimIpt::y.

 {
    const char* sc_lin_str = kwl.find(prefix,"sc_lin");
    double sc_lin = atof(sc_lin_str);
 
    const char* sc_pix_str = kwl.find(prefix,"sc_pix");
    double sc_pix = atof(sc_pix_str);
 
    // const char* pixel_spacing_str = kwl.find(prefix,"pixel_spacing");
    // double pixel_spacing = atof(pixel_spacing_str);
 
    const char* azimuthStartTime_str = kwl.find(prefix,"azimuthStartTime");
    double azimuthStartTime = atof(azimuthStartTime_str);
 
    const char* rng_gate_str = kwl.find(prefix,"rng_gate");
    double rng_gate = atof(rng_gate_str);
 
    const char* referenceUTC_str = kwl.find(prefix,"referenceUTC");
    std::string referenceUTC(referenceUTC_str) ;
    CivilDateTime ref_civil_date;
    if (! UtcDateTimeStringToCivilDate(referenceUTC, ref_civil_date)) return false;
 
    if(_refPoint == NULL)
    {
       _refPoint = new RefPoint();
    }
 
    _refPoint->set_pix_col(sc_pix);
    _refPoint->set_pix_line(sc_lin);
 
    double relative_date = (azimuthStartTime + sc_lin/_sensor->get_prf());
    int second = (int) relative_date ;
    double decimal = relative_date - second ;
 
    if(_platformPosition != NULL)
    {
       CivilDateTime * date = new CivilDateTime(
          ref_civil_date.get_year(), ref_civil_date.get_month(),
          ref_civil_date.get_day(), second, decimal);
       
       Ephemeris * ephemeris = _platformPosition->Interpolate((JSDDateTime)*date);
       if (ephemeris == NULL) return false ;
 
       _refPoint->set_ephemeris(ephemeris);
 
       delete date;
       date = 0;
       delete ephemeris;
       ephemeris = 0;
    }
    else
    {
       return false;
    }
 
    double c = 2.99792458e+8;
    double distance = (rng_gate + sc_pix*_sensor->get_nRangeLook()/_sensor->get_sf()) * (c/2.0);
 
    // in the case of Georeferenced images, the "relative" ground range is stored in place of the slant range
    // (used for SlantRange computation relative to reference point, necessary for optimization)
    // here, the pixelDirection is ignored since the CSKS reference point is always at the scene centre
    if (_isProductGeoreferenced) {
       distance = _refPoint->get_pix_col() * _pixel_spacing ;
    }
 
    _refPoint->set_distance(distance);
 
 
    // in order to use ossimSensorModel::lineSampleToWorld
    const char* nbCol_str = kwl.find(prefix,"nbCol");
    const char* nbLin_str = kwl.find(prefix,"nbLin");
    theImageSize.x      = atoi(nbCol_str);
    theImageSize.y      = atoi(nbLin_str);
    theImageClipRect    = ossimDrect(0, 0, theImageSize.x-1, theImageSize.y-1);
 
 
    // Ground Control Points extracted from the model : scene center and corners
    std::list<ossimGpt> groundGcpCoordinates ;
    std::list<ossimDpt> imageGcpCoordinates ;
    char name[64];
    for (int k=0 ; k<5 ; k++) {
       sprintf(name,"cornersCol%i",k);
       const char* i_str = kwl.find(name);
       int i = atoi(i_str);
       sprintf(name,"cornersLin%i",k);
       const char* j_str = kwl.find(name);
       int j = atoi(j_str);
       sprintf(name,"cornersLon%i",k);
       const char* lon_str = kwl.find(name);
       double lon = atof(lon_str);
       sprintf(name,"cornersLat%i",k);
       const char* lat_str = kwl.find(name);
       double lat = atof(lat_str);
       sprintf(name,"cornersHeight%i",k);
       const char* height_str = kwl.find(name);
       double height = atof(height_str) ;
 
       ossimDpt imageGCP(i,j);
       ossimGpt groundGCP(lat, lon, height);
       groundGcpCoordinates.push_back(groundGCP) ;
       imageGcpCoordinates.push_back(imageGCP) ;
    }
 
    // Default optimization
    optimizeModel(groundGcpCoordinates, imageGcpCoordinates) ;
 
   return true;
 }

◆ InitSensorParams()

bool ossimplugins::ossimCosmoSkymedModel::InitSensorParams	(	const ossimKeywordlist &	kwl,
		const char *	prefix
	)

privatevirtual

Initializes the Sensor Params from a projection keywordlist.

Todo:: : � voir sur de vrais produits (exemples de DESCENDING et ASCENDING)

Implements ossimplugins::ossimGeometricSarSensorModel.

Definition at line 58 of file ossimCosmoSkymedModel.cpp.

 {
   const char* central_freq_str = kwl.find(prefix,"central_freq");
   double central_freq = atof(central_freq_str);
   const char* fr_str = kwl.find(prefix,"fr");
   double fr = atof(fr_str);
   const char* fa_str = kwl.find(prefix,"fa");
   double fa = atof(fa_str);
 
   //number of different looks
   const char* n_azilok_str = kwl.find(prefix,"n_azilok");
   double n_azilok = atof(n_azilok_str);
   const char* n_rnglok_str = kwl.find(prefix,"n_rnglok");
   double n_rnglok = atof(n_rnglok_str);
 
   //ellipsoid parameters
   const char* ellip_maj_str = kwl.find(prefix,"ellip_maj");
   double ellip_maj = atof(ellip_maj_str) * 1000.0;  // km -> m
   const char* ellip_min_str = kwl.find(prefix,"ellip_min");
   double ellip_min = atof(ellip_min_str) * 1000.0;  // km -> m
 
   if(_sensor != NULL)
   {
     delete _sensor;
   }
 
   _sensor = new SensorParams();
 
 
   const char* orbitDirection_str = kwl.find(prefix,"orbitDirection");
   std::string orbitDirection(orbitDirection_str) ;
   int orbitDirectionSign ;
   if (orbitDirection=="DESCENDING") orbitDirectionSign = 1 ;
   else orbitDirectionSign = - 1 ;
 
   const char* lookDirection_str = kwl.find(prefix,"lookDirection");
   std::string lookDirection(lookDirection_str) ;
   if ((lookDirection == "Right")||(lookDirection == "RIGHT")) _sensor->set_sightDirection(SensorParams::Right) ;
   else _sensor->set_sightDirection(SensorParams::Left) ;
 
   const char* colsOrder_str = kwl.find(prefix,"colsOrder");
   std::string colsOrder(colsOrder_str) ;
   const char* linsOrder_str = kwl.find(prefix,"linsOrder");
   std::string linsOrder(linsOrder_str) ;
   if (colsOrder=="NEAR-FAR")
     _sensor->set_col_direction(orbitDirectionSign);
   else _sensor->set_col_direction(-orbitDirectionSign);
   if (linsOrder=="NEAR-FAR")
     _sensor->set_lin_direction(orbitDirectionSign);
   else _sensor->set_lin_direction(-orbitDirectionSign);
 
   _sensor->set_sf(fr);
   const double CLUM        = 2.99792458e+8 ;
   double wave_length = CLUM / central_freq ;
   _sensor->set_rwl(wave_length);
   _sensor->set_nAzimuthLook(n_azilok);
   _sensor->set_nRangeLook(n_rnglok);
 
   // fa is the processing PRF
   _sensor->set_prf(fa * n_azilok);
 
   _sensor->set_semiMajorAxis(ellip_maj) ;
   _sensor->set_semiMinorAxis(ellip_min) ;
 
   return true;
 }

◆ InitSRGR()

bool ossimplugins::ossimCosmoSkymedModel::InitSRGR	(	const ossimKeywordlist &	kwl,
		const char *	prefix
	)

privatevirtual

Initializes the Slant Range to Ground Range data sets : _SrToGr_R0,_SrToGr_coeffs_number,_SrToGr_exponent,_SrToGr_coeffs,_nbCol.

Implements ossimplugins::ossimGeometricSarSensorModel.

Definition at line 324 of file ossimCosmoSkymedModel.cpp.

References ossimplugins::ossimGeometricSarSensorModel::_isProductGeoreferenced, _nbCol, _pixel_spacing, _SrGr_coeffs, _SrGr_R0, and ossimKeywordlist::find().

 {
   const char* rangeProjectionType_str = kwl.find(prefix,"rangeProjectionType");
   std::string rangeProjectionType(rangeProjectionType_str);
 
   const char* pixel_spacing_str = kwl.find(prefix,"pixel_spacing");
   _pixel_spacing= atof(pixel_spacing_str);
 
   _isProductGeoreferenced = (rangeProjectionType=="GROUNDRANGE") ;
 
   // Number of columns
   const char* nbCol_str = kwl.find(prefix,"nbCol");
   _nbCol = atoi(nbCol_str);
 
   // SRGR polynomial reference
   const char* SrGr_R0_str = kwl.find(prefix,"SrGr_R0");
   _SrGr_R0 = atof(SrGr_R0_str);
 
   // SRGR coefficients
   char name[64];
   double coeff ;
   for(int i=0;i<6;i++)
   {
     sprintf(name,"SrToGr_coeffs_%i",i);
     const char* coeff_str = kwl.find(prefix,name);
     coeff = atof(coeff_str);
     _SrGr_coeffs.push_back(coeff);
   }
 
   return true;
 }

◆ UtcDateTimeStringToCivilDate()

bool ossimplugins::ossimCosmoSkymedModel::UtcDateTimeStringToCivilDate	(	const std::string &	utcString,
		CivilDateTime &	outputDate
	)

private

Definition at line 357 of file ossimCosmoSkymedModel.cpp.

References ossimplugins::CivilDateTime::set_day(), ossimplugins::CivilDateTime::set_decimal(), ossimplugins::CivilDateTime::set_month(), ossimplugins::CivilDateTime::set_second(), ossimplugins::CivilDateTime::set_year(), and true.

Referenced by InitPlatformPosition(), and InitRefPoint().

                                                                                                               {
   // conversion :
   // try with date format yyyymmdd
 
   if (utcString.size() < 8) return false ;
   const char* stringUTCDate =  utcString.c_str() ;
 
    char year_str[5];
   for (int i=0;i<4;i++)
   {
     year_str[i] = stringUTCDate[i];
   }
   year_str[4] = '\0';
 
   char month_str[3];
   for (int i=4;i<6;i++)
   {
     month_str[i-4] = stringUTCDate[i];
   }
   month_str[2] = '\0';
 
   char day_str[3];
   for (int i=6;i<8;i++)
   {
     day_str[i-6] = stringUTCDate[i];
   }
   day_str[2] = '\0';
 
   outputDate.set_year(atoi(year_str));
   outputDate.set_month(atoi(month_str));
   outputDate.set_day(atoi(day_str));
   outputDate.set_second(0);
   outputDate.set_decimal(0.0);
 
   return true ;
 }

Member Data Documentation

◆ _nbCol

double ossimplugins::ossimCosmoSkymedModel::_nbCol

protected

Number of columns.

Definition at line 61 of file ossimCosmoSkymedModel.h.

Referenced by InitSRGR().

◆ _pixel_spacing

double ossimplugins::ossimCosmoSkymedModel::_pixel_spacing

protected

Pixel spacing.

Definition at line 77 of file ossimCosmoSkymedModel.h.

Referenced by getSlantRangeFromGeoreferenced(), InitRefPoint(), and InitSRGR().

◆ _sceneCenterRangeTime

double ossimplugins::ossimCosmoSkymedModel::_sceneCenterRangeTime

protected

Scene Center range time.

Definition at line 73 of file ossimCosmoSkymedModel.h.

◆ _SrGr_coeffs

std::vector<double> ossimplugins::ossimCosmoSkymedModel::_SrGr_coeffs

protected

Slant Range for each Ground Range Projection coefficients.

Definition at line 69 of file ossimCosmoSkymedModel.h.

Referenced by getSlantRangeFromGeoreferenced(), and InitSRGR().

◆ _SrGr_R0

double ossimplugins::ossimCosmoSkymedModel::_SrGr_R0

protected

Slant Range for each Ground Range Projection reference point.

Definition at line 65 of file ossimCosmoSkymedModel.h.

Referenced by getSlantRangeFromGeoreferenced(), and InitSRGR().

The documentation for this class was generated from the following files:

Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimCosmoSkymedModel()

◆ ~ossimCosmoSkymedModel()

Member Function Documentation

◆ getSlantRangeFromGeoreferenced()

◆ InitPlatformPosition()

◆ InitRefPoint()

◆ InitSensorParams()

◆ InitSRGR()

◆ UtcDateTimeStringToCivilDate()

Member Data Documentation

◆ _nbCol

◆ _pixel_spacing

◆ _sceneCenterRangeTime

◆ _SrGr_coeffs

◆ _SrGr_R0