/usr/include/ossim/imaging/ossimElevImageSource.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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// Copyright (C) 2002 ImageLinks Inc.
//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
// Author: David Burken
//
// Description: Class provides an elevation image source from the elevation
// manager.
//
//********************************************************************
// $Id: ossimElevImageSource.h 9094 2006-06-13 19:12:40Z dburken $
#ifndef ossimElevImageSource_HEADER
#define ossimElevImageSource_HEADER
#include <ossim/imaging/ossimImageSource.h>
#include <ossim/base/ossimConstants.h>
#include <ossim/base/ossimGrect.h>
class ossimElevSource;
class ossimElevImageSource : public ossimImageSource
{
public:
ossimElevImageSource();
ossimElevImageSource(ossimObject* owner);
ossimElevImageSource(ossimObject* owner,
const ossimGpt& tie,
double latSpacing, // decimal degrees
double lonSpacing ,
ossim_uint32 numberLines,
ossim_uint32 numberSamples);
ossimElevImageSource(ossimObject* owner,
const ossimKeywordlist& kwl,
const char* prefix=0);
virtual ~ossimElevImageSource();
/*!
* Returns a pointer to a tile given an origin representing the upper left
* corner of the tile to grab from the image.
* Satisfies pure virtual from TileSource class.
*/
virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& rect,
ossim_uint32 resLevel=0);
/*!
* Populates the keyword list with image geometry information. This
* method is used to relay projection/model information to users.
* Returns true if geometry info is present, false if not.
*/
virtual bool getImageGeometry(ossimKeywordlist& kwl,
const char* prefix=0);
/*!
* Returns the number of bands in the image. Alway one for this source.
*/
virtual ossim_uint32 getNumberOfOutputBands()const { return 1; }
/*!
* Returns the zero-based (relative) image rectangle for the reduced
* resolution data set (rrds) passed in. Note that rrds 0 is the highest
* resolution rrds.
*/
virtual ossimIrect getImageRectangle(ossim_uint32 reduced_res_level = 0) const;
/*!
* Returns the absolute bounding rectangle of the image. The upper left
* corner may be non-zero if this is a subimage.
*/
virtual ossimIrect getBoundingRect(ossim_uint32 resLevel = 0) const
{
return getImageRectangle(resLevel);
}
/*!
* Method to save the state of an object to a keyword list.
* Return true if ok or false on error.
*/
virtual bool saveState(ossimKeywordlist& kwl,
const char* prefix=0)const;
/*!
* Method to the load (recreate) the state of an object from a keyword
* list. Return true if ok or false on error.
*/
virtual bool loadState(const ossimKeywordlist& kwl,
const char* prefix=0);
bool canConnectMyInputTo(ossim_int32 inputIndex,
const ossimConnectableObject* object)const
{
return false;
}
virtual void initialize();
/*!
* Satisfy pure virtuals from base classes...
*/
virtual void getDecimationFactor(ossim_uint32 resLevel, ossimDpt& result) const;
virtual void getDecimationFactors(vector<ossimDpt>& decimations) const;
virtual ossim_uint32 getNumberOfDecimationLevels()const;
virtual ossim_uint32 getNumberOfInputBands() const;
virtual ossimScalarType getOutputScalarType() const;
virtual ossim_uint32 getTileWidth() const;
virtual ossim_uint32 getTileHeight() const;
virtual void changeTileSize(const ossimIpt& size);
// access methods
virtual ossimGpt getTiePoint() const { return theTiePoint; }
virtual ossim_float64 getLatitudeSpacing() const { return theLatSpacing; }
virtual ossim_float64 getLongitudeSpacing() const { return theLonSpacing; }
virtual ossim_uint32 getNumberOfLines(ossim_uint32 reduced_res_level = 0) const;
virtual ossim_uint32 getNumberOfSamples(ossim_uint32 reduced_res_level = 0) const;
virtual double getMinPixelValue(ossim_uint32 band=0)const;
virtual double getMaxPixelValue(ossim_uint32 band=0)const;
// set methods
virtual void setTiePoint(const ossimGpt& gpt) { theTiePoint = gpt; }
virtual void setLatitudeSpacing(ossim_float64 sp) { theLatSpacing = sp; }
virtual void setLongitudeSpacing(ossim_float64 sp) { theLonSpacing = sp; }
virtual void setNumberOfLines(ossim_uint32 lines) { theNumberOfLines = lines; }
virtual void setNumberOfSamples(ossim_uint32 samps) { theNumberOfSamps = samps;}
virtual void setMinPixelValue(ossim_float64 min_pix);
virtual void setMaxPixelValue(ossim_float64 max_pix);
protected:
ossimElevSource* theElevManager;
ossimRefPtr<ossimImageData> theTile;
ossimGpt theTiePoint; // upper left tie point
ossim_float64 theLatSpacing; // in decimal degrees
ossim_float64 theLonSpacing; // in decimal degrees
ossim_uint32 theNumberOfLines;
ossim_uint32 theNumberOfSamps;
TYPE_DATA
};
#endif
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