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secondo/Algebras/Raster/RasterAlgebra.h
2026-01-23 17:03:45 +08:00

130 lines
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C++

/*
----
This file is part of SECONDO.
Copyright (C) 2004, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
May, 2007 Leonardo Azevedo, Rafael Brand
*/
#ifndef __RASTER_ALGEBRA_H__
#define __RASTER_ALGEBRA_H__
#include "Algebra.h"
#include "NestedList.h"
#include "QueryProcessor.h"
#include "StandardTypes.h" //needed because we return a CcBool in an op.
#include <string>
#include "Attribute.h"
#include "Algebras/Spatial/SpatialAlgebra.h"
#include <fstream>
#include "./Signature/Signature4CRS.h"
#include "Tools/Flob/DbArray.h"
#include "Tools/Flob/Flob.h"
/*
1.1 Raster4CRS
*/
enum RasterType {RT_REGION, RT_LINE, RT_POINTS};
class Raster4CRS: public Signature4CRS, public Attribute
{
public:
//potency dx dy mbr.min.x mbr.min.y mbr.max.x mbr.max.y signature...
DbArray<unsigned long> rasterFLOB;
int signatureType;
Raster4CRS(){};
/*
Do not use this constructor.
*/
Raster4CRS( unsigned long id, Coordinate min, Coordinate max,
unsigned long sizeOfBlock, unsigned dx, unsigned dy,
const Weight weight[], int signature ) : Signature4CRS(id,
min, max, sizeOfBlock, dx, dy, weight ), rasterFLOB(0)
{
signatureType = signature;
}
Raster4CRS( const Raster4CRS *raster):Signature4CRS(*(Signature4CRS*)raster),
rasterFLOB(0)
{
this->signatureType = raster->signatureType;
}
Raster4CRS( const Raster4CRS &raster) : Signature4CRS((Signature4CRS)raster),
rasterFLOB(0)
{
this->signatureType = raster.signatureType;
}
Raster4CRS( Signature4CRS::RasterMap4CRS mapaRaster4CRS,
int signatureType) : Signature4CRS(mapaRaster4CRS), rasterFLOB(0)
{
this->signatureType = signatureType;
}
void Raster4CRSToFLOB();
void FLOBToRaster4CRS();
~Raster4CRS();
Raster4CRS* Clone() const;
int NumOfFLOBs(void) const;
Flob *GetFLOB(const int i);
Raster4CRS& operator=( Raster4CRS& r );
//functions from Attribute
bool IsDefined() const {return true;}
void SetDefined( bool Defined ){}
size_t Sizeof() const { return sizeof( *this );}
bool Adjacent( const Attribute* arg ) const {return false;}
size_t HashValue() const{return (size_t)(5*map->mbr.min.x + map->mbr.max.y);}
void CopyFrom( const Attribute* right )
{operator=(*((Raster4CRS *)right));}
int Compare( const Attribute *arg ) const{ return 1;} //still to do
static const std::string BasicType() { return "raster4CRS"; }
};
void printSignature(const Signature4CRS *raster4CRS);
inline std::string unsignedLongToBinary( const unsigned long &x ) {
unsigned long t;
std::string ret;
if( x > 0 ) t = x; else t = -1 * x;
for( unsigned int i = 0; i < sizeof(unsigned long) * 8; ++i )
if( t & ( 1 << i ) ) ret.push_back( '1' ); else ret.push_back( '0' );
reverse( ret.begin(), ret.end() );
if( ret.size() == 0 ) return "0";
if( x < 0 ) return '-' + ret;
return ret;
}
#endif