/usr/include/ossim/projection/ossimRS1SarModel.h is in libossim-dev 1.8.16-3+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// License: See top level LICENSE.txt file.
//
// Author: Oscar Kramer
//
// Description:
//
// Sensor Model for Radarsat1 SAR sensor.
//
//*******************************************************************
// $Id:$
#ifndef ossimRS1SarModel_HEADER
#define ossimRS1SarModel_HEADER 1
#include <ossim/base/ossimLsrPoint.h>
#include <ossim/base/ossimLsrVector.h>
#include <ossim/base/ossimEcefPoint.h>
#include <ossim/base/ossimGpt.h>
#include <ossim/base/ossimDrect.h>
#include <ossim/base/ossimFilename.h>
#include <ossim/base/ossimDblGrid.h>
#include <ossim/projection/ossimSarModel.h>
#include <ossim/base/ossimLagrangeInterpolator.h>
#include <ossim/support_data/ossimCeosData.h>
// Namespace class forward class declaration.
namespace NEWMAT
{
class Matrix;
}
//*****************************************************************************
// CLASS: ossimRS1SarModel
//*****************************************************************************
class ossimRS1SarModel : public ossimSensorModel
{
public:
ossimRS1SarModel();
ossimRS1SarModel(const ossimFilename& imageDir);
virtual ~ossimRS1SarModel();
enum ImagingMode
{
UNKNOWN_MODE = 0,
SCN, // ScanSAR Narrow Beam
SCW, // ScanSAR Wide Beam
SGC, // SAR Georeferenced Coarse Resolution
SGF, // SAR Georeferenced Fine Resolution
SGX, // SAR Georeferenced Extra Fine Resolution
SLC, // Single Look Complex
SPG, // SAR Precision Geocoded
SSG, // SAR Systematically Geocoded
RAW,
ERS
};
enum DirectionFlag
{
UNKNOWN_DIRECTION = 0,
ASCENDING,
DESCENDING
};
//! Fulfills ossimObject base-class pure virtuals. Saves modeling info to KWL.
//! Returns true if successful.
virtual bool saveState(ossimKeywordlist& kwl, const char* prefix=NULL) const;
//! Fulfills ossimObject base-class pure virtuals. Reads modeling info from KWL.
//! Returns true if successful.
virtual bool loadState(const ossimKeywordlist& kwl, const char* prefix=NULL);
//! Establishes geographic 3D point given image line, sample and ellipsoid height.
virtual void lineSampleHeightToWorld(const ossimDpt& imagePt,
const double& heightAboveEllipsoid,
ossimGpt& worldPt) const;
//! Given an image point, returns a ray originating at some arbitrarily high
//! point (in this model at the sensor position) and pointing towards the target.
virtual void imagingRay(const ossimDpt& image_point, ossimEcefRay& image_ray) const;
inline virtual bool useForward() const { return false; } //!image to ground faster
//! Returns pointer to a new instance, copy of this.
virtual ossimObject* dup() const { return 0; } // TBR
protected:
void setImagingMode(char* modeStr);
void initFromCeos(const ossimFilename& dataDir);
void initAdjParms();
void establishEphemeris();
void eciToEcfXform(const double& julianDay, NEWMAT::Matrix& xform) const;
void establishOrpInterp();
void establishOrpGrid();
void establishVehicleSpace();
void interpolatedScanORP(const ossimDpt& orp, ossimEcefPoint& orp_ecf) const;
void deallocateMemory();
ossimRefPtr<ossimCeosData> theCeosData;
ossimRefPtr<ossimLagrangeInterpolator> theArpPosInterp; // in ECF
ossimRefPtr<ossimLagrangeInterpolator> theArpVelInterp; // in ECF
ossimRefPtr<ossimLagrangeInterpolator> theLocalOrpInterp; // in ECF
ImagingMode theImagingMode;
double theIllumAzimuth;
double theIllumElevation;
ossimEcefPoint theORP;
double theRefHeight;
double theGHA; // Greenwich Hour Angle of first eph. pt.
double theEphFirstSampTime; // in seconds from start of day
double theSinOrientation;
double theCosOrientation;
double theSinSkew;
ossimLsrSpace theVehicleSpace;
ossimEcefVector thePosCorrection;
int theFirstLineDay; // julian day
double theFirstLineTime; // seconds
double theTimePerLine; // seconds
DirectionFlag theDirectionFlag;
double theSrGrCoeff[6];
ossimDpt thePixelSpacing;
//***
// Additional data members used for scan-mode imagery:
//***
ossimDblGrid theLatGrid;
ossimDblGrid theLonGrid;
//***
// Adjustable Parameters:
//***
double theInTrackOffset; // meters
double theCrTrackOffset; // meters
double theRadialOffset; // meters
double theLineScale;
double theSkew;
double theOrientation; // degrees
//***
// Adjustable model parameters array indexes:
//***
enum ADJUSTABLE_PARAM_INDEXES
{
INTRACK_OFFSET,
CRTRACK_OFFSET,
RADIAL_OFFSET,
LINE_SCALE,
SKEW,
ORIENTATION,
NUM_ADJUSTABLE_PARAMS // not a parameter
};
};
#endif
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