/usr/include/ossim/imaging/ossimClosestToCenterCombiner.h is in libossim-dev 1.7.21-4.
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// Copyright (C) 2005 Garrett Potts.
//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
// Author: Garrett Potts
//
//*************************************************************************
// $Id: ossimClosestToCenterCombiner.h 9094 2006-06-13 19:12:40Z dburken $
#ifndef ossimClosestToCenterCombiner_HEADER
#define ossimClosestToCenterCombiner_HEADER
#include <vector>
#include <ossim/imaging/ossimImageMosaic.h>
/**
* This implements a closest to center combiner.
*
* It will first grab all images overlapping a given rectangle query. The first non-null
* closest pixel to the center of the image is used. This basically uses only pixels along
* the "sweet" spot of the image. This combiner is typically used when there is overlapping
* sensor data.
*
*/
class ossimClosestToCenterCombiner : public ossimImageMosaic
{
public:
ossimClosestToCenterCombiner();
/**
* Executes the ossimClosestToCenterCombiner algorithm. sets the pixels to the closest
* Valid value. This simulates a sweet spot cutter.
*
* @param rect The region of interest.
* @param resLevel. For this combiner this is assumed to always be 0
*/
virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& rect,
ossim_uint32 resLevel=0);
protected:
class ossimClosestToCenterCombinerInfo
{
public:
ossimClosestToCenterCombinerInfo(ossimRefPtr<ossimImageData> tile,
ossim_int32 idx)
:theTile(tile),
theIndex(idx)
{
}
ossimRefPtr<ossimImageData> theTile;
ossim_int32 theIndex;
};
ossim_int32 findIdx(const std::vector<ossimClosestToCenterCombinerInfo >& normTileList,
const ossimIpt& pt, ossim_uint32 offset)const;
TYPE_DATA
};
#endif
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