/usr/include/ossim/projection/ossimQuadProjection.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: Garrett Potts
//
//********************************************************************
// $Id: ossimQuadProjection.h 15766 2009-10-20 12:37:09Z gpotts $
#ifndef ossimQuadProjection_HEADER
#define ossimQuadProjection_HEADER
#include <ossim/projection/ossimProjection.h>
#include <ossim/base/ossimIrect.h>
#include <ossim/base/ossimDblGrid.h>
class ossimQuadProjection : public ossimProjection
{
public:
ossimQuadProjection();
ossimQuadProjection(const ossimQuadProjection& rhs);
ossimQuadProjection(const ossimIrect& rect,
const ossimGpt& ulg,
const ossimGpt& urg,
const ossimGpt& lrg,
const ossimGpt& llg);
virtual ossimObject *dup()const;
virtual ossimGpt origin()const;
virtual void worldToLineSample(const ossimGpt& worldPoint,
ossimDpt& lineSampPt) const;
/*!
* METHOD: lineSampleToWorld()
* Performs the inverse projection from line, sample to ground (world):
*/
virtual void lineSampleToWorld(const ossimDpt& lineSampPt,
ossimGpt& worldPt) const;
/*!
* METHOD: lineSampleHeightToWorld
* This is the pure virtual that projects the image point to the given
* elevation above ellipsoid, thereby bypassing reference to a DEM. Useful
* for projections that are sensitive to elevation (such as sensor models).
*/
virtual void lineSampleHeightToWorld(const ossimDpt& lineSampPt,
const double& heightAboveEllipsoid,
ossimGpt& worldPt) const;
virtual bool saveState(ossimKeywordlist& kwl,
const char* prefix=0)const;
virtual bool loadState(const ossimKeywordlist& kwl,
const char* prefix=0);
virtual bool operator==(const ossimProjection& projection) const;
virtual ossimDpt getMetersPerPixel() const;
/**
* @brief Implementation of pure virtual
* ossimProjection::isAffectedByElevation method.
* @return false.
*/
virtual bool isAffectedByElevation() const { return false; }
protected:
virtual ~ossimQuadProjection();
ossimIrect theInputRect;
ossimGpt theUlg;
ossimGpt theUrg;
ossimGpt theLrg;
ossimGpt theLlg;
ossimDblGrid theLatGrid;
ossimDblGrid theLonGrid;
void initializeGrids();
ossimGpt extrapolate(const ossimDpt& imagePoint,
const double& height) const;
TYPE_DATA
};
#endif /* #ifndef ossimQuadProjection_HEADER */
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