/usr/include/ossim/imaging/ossimGridRemapSource.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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// FILE: ossimGridRemapSource.h
//
// Copyright (C) 2001 ImageLinks, Inc.
//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
// AUTHOR: Oscar Kramer
//
// DESCRIPTION: Contains declaration of class ossimGridRemapSource. This is
// a spacially variant remapper that utilizes a grid for interpolating the
// remap value given an image x, y.
//
// LIMITATIONS: None.
//
//*****************************************************************************
// $Id: ossimGridRemapSource.h 9094 2006-06-13 19:12:40Z dburken $
#ifndef ossimGridRemapSource_HEADER
#define ossimGridRemapSource_HEADER
#include <ossim/imaging/ossimImageSourceFilter.h>
#include <vector>
#include <ossim/imaging/ossimGridRemapEngine.h>
#include <ossim/base/ossimFilename.h>
class ossimDblGrid;
class ossimDrect;
class ossimDpt;
class ossimImageData;
/*!****************************************************************************
*
* CLASS: ossimGridRemapSource
*
*****************************************************************************/
class ossimGridRemapSource : public ossimImageSourceFilter
{
public:
/*!
* Constructors:
*/
ossimGridRemapSource();
ossimGridRemapSource(ossimImageSource* inputSource,
ossimGridRemapEngine* engine);
virtual ~ossimGridRemapSource();
/*!ossimAtbPointSource
* Initializes the remap engine. This object implements specific algorithms
* for interpreting the grids owned by this remapper. It actually performs
* the remapping.
*/
void setRemapEngine(ossimGridRemapEngine* engine);
/*!
* Provides access to the remap engine:
*/
ossimGridRemapEngine* getRemapEngine() { return theRemapEngine; }
/*!
* Permits initializing the remap grid after construction.
*/
virtual void initialize(const ossimDrect& uv_rect,
const ossimDpt& grid_spacing);
/*!
* Sets a node of the member grid to the value specified. The grid is flagged
* as unfilled.
*/
void setGridNode(const ossimDpt& view_pt,
const double* value);
/*!
* Implementation of virtual method to return remapped tile.
*/
virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& origin,
ossim_uint32 resLevel=0);
/*!
* Restore the state of the object from a keywordlist.
*/
virtual bool loadState(const ossimKeywordlist& kwl,
const char* prefix=0);
/*!
* Save the state of the object to a keywordlist.
*/
virtual bool saveState(ossimKeywordlist& kwl,
const char* prefix=0)const;
/*!
* Locks the image to prevent grid adjustment. The remapper continues to
* remap given the current grid (if enabled), but all target values computed
* are such that no change in the grids will occur in an adjsutment. If more
* than one overlapping image is locked, the target will may be influenced
* by all locked images, but the remap grids will not be updated.
*/
void lock() { theRemapIsLockedFlag = true; }
/*!
* Unlocks the grids for adjustment.
*/
void unlock() { theRemapIsLockedFlag = false; }
/*!
* Returns the status of the lock flag.
*/
bool isLocked() const { return theRemapIsLockedFlag; }
/*!
* Provides access to individual grids (pointer) given an index. Null pointer
* returned if index out of range.
*/
ossimDblGrid* getGrid(unsigned int index);
/*!
* Returns grid filename (may be empty)
*/
const ossimFilename& getGridFilename() const { return theGridFilename; }
/*!
* Sets the grid filename and initiates read.
*/
void setGridFilename(const ossimFilename& grid_filename);
protected:
/*!
* Deallocates grid memory.
*/
void deallocateGrids();
vector<ossimDblGrid*> theGrids;
ossimFilename theGridFilename;
ossimGridRemapEngine* theRemapEngine;
bool theRemapIsLockedFlag;
bool theGridIsFilled;
TYPE_DATA
};
#endif
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