/usr/include/ossim/projection/ossimImageViewTransform.h is in libossim-dev 1.7.21-4.
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 (gpotts@imagelinks.com)
//
// Description: This class hides the image view transformation process.
// We should be able to open up ay image within the system
// and be able to map it to the view space. Classes need to
// derive and override the methods within this class. This will
// mainly be used in the resampling process.
//
//*******************************************************************
// $Id: ossimImageViewTransform.h 9968 2006-11-29 14:01:53Z gpotts $
#ifndef ossimImageViewTransform_HEADER
#define ossimImageViewTransform_HEADER
#include <iostream>
using namespace std;
#include <ossim/base/ossimViewInterface.h>
#include <ossim/base/ossimObject.h>
#include <ossim/base/ossimDpt.h>
#include <ossim/base/ossimDrect.h>
#include <ossim/base/ossim2dTo2dTransform.h>
class OSSIMDLLEXPORT ossimImageViewTransform : public ossim2dTo2dTransform,
public ossimViewInterface
{
public:
friend OSSIMDLLEXPORT ostream& operator<<(ostream& out,
const ossimImageViewTransform& data);
ossimImageViewTransform();
virtual void forward(const ossimDpt& input, ossimDpt& output) const;
/*!
* derived classes will specify if the imageViewTransform is an
* identity.
*/
virtual bool isIdentity()const=0;
virtual bool isValid()const=0;
virtual ossimDpt getInputMetersPerPixel()const=0;
virtual ossimDpt getOutputMetersPerPixel()const=0;
/*!
* If it needs to it will use the information passed in to get the
* scae factor by transforming the line point.x to point.x+deltaXY and
* point.y to point.y + deltaXY.y. It will comput new delta's and
* set the ratio of deltaXY/newDeltaXY to the result scale.
*
* Derived classes can overide this default implementation. Note:
* if the scale changes are only subpixel then it will return a scale
* of one. We have to see how this works before we actually keep this
* implementation.
*/
virtual void getImageToViewScale(ossimDpt& resultScale,
const ossimDpt& imagePoint,
const ossimDpt& deltaImagePointXY)const;
/*!
* If it needs to it will use the information passed in to get the
* scae factor by transforming the line point.x to point.x+deltaXY and
* point.y to point.y + deltaXY.y. It will comput new delta's and
* set the ratio of deltaXY/newDeltaXY to the result scale.
*
* Derived classes can overide this default implementation. Note:
* if the scale changes are only subpixel then it will return a scale
* of one. We have to see how this works before we actually keep this
* implementation.
*/
virtual void getViewToImageScale(ossimDpt& resultScale,
const ossimDpt& imagePoint,
const ossimDpt& deltaImagePointXY)const;
virtual void imageToView(const ossimDpt& imagePoint,
ossimDpt& viewPoint)const;
virtual void viewToImage(const ossimDpt& viewPoint,
ossimDpt& imagePoint)const;
virtual std::ostream& print(std::ostream& out) const;
ossimDpt imageToView(const ossimDpt& imagePoint)const;
ossimDpt viewToImage(const ossimDpt& viewPoint)const;
/*!
* This should compute output/input.
*/
virtual void getScaleChangeImageToView(ossimDpt& result,
const ossimDrect& imageRect);
/*!
* This should compute output/input.
*/
virtual void getScaleChangeViewToImage(ossimDpt& result,
const ossimDrect& viewRect);
virtual void getRoundTripErrorView(ossimDpt& result,
const ossimDpt& viewPt)const;
virtual ossimDpt getRoundTripErrorView(const ossimDpt& viewPt)const;
virtual void getRoundTripErrorImage(ossimDpt& result,
const ossimDpt& imagePt)const;
virtual ossimDpt getRoundTripErrorImage(const ossimDpt& imagePt)const;
virtual ossimDrect getImageToViewBounds(const ossimDrect& imageRect)const;
virtual bool loadState(const ossimKeywordlist& kwl,
const char* prefix =0);
virtual bool saveState(ossimKeywordlist& kwl,
const char* prefix = 0)const;
TYPE_DATA
};
#endif
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