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secondo/Algebras/Tile/grid/mtgrid.h
2026-01-23 17:03:45 +08:00

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/*
This file is part of SECONDO.
Copyright (C) 2013, 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
*/
#ifndef TILEALGEBRA_MTGRID_H
#define TILEALGEBRA_MTGRID_H
/*
SECONDO includes
*/
#include "DateTime.h"
/*
TileAlgebra includes
*/
#include "tgrid.h"
/*
declaration of namespace TileAlgebra
*/
namespace TileAlgebra
{
/*
Class mtgrid represents a 3-dimensional grid definition
with x origin, y origin, length of a grid cell and a duration
for the time dimension.
author: Dirk Zacher
*/
class mtgrid : public tgrid
{
public:
/*
Constructor mtgrid does not initialize any members and
should only be used in conjunction with Cast method.
author: Dirk Zacher
parameters: -
return value: -
exceptions: -
*/
mtgrid();
/*
Constructor mtgrid sets defined flag of base class Attribute and
initializes all members of the class with default values.
author: Dirk Zacher
parameters: bDefined - defined flag of base class Attribute
return value: -
exceptions: -
*/
mtgrid(bool bDefined);
/*
Constructor mtgrid sets defined flag of base class Attribute to true and
initializes all members of the class with corresponding parameter values.
author: Dirk Zacher
parameters: rX - reference to the x origin of the grid
rY - reference to the y origin of the grid
rLength - reference to the length of a grid cell
rDuration - reference to the duration value of time dimension
return value: -
exceptions: -
*/
mtgrid(const double& rX, const double& rY, const double& rLength,
const datetime::DateTime& rDuration);
/*
Constructor mtgrid sets defined flag of base class Attribute to defined flag
of rmtgrid object and initializes all members of the class with corresponding
values of rmtgrid object.
author: Dirk Zacher
parameters: rmtgrid - reference to a mtgrid object
return value: -
exceptions: -
*/
mtgrid(const mtgrid& rmtgrid);
/*
Destructor ~mtgrid deinitializes a mtgrid object.
author: Dirk Zacher
parameters: -
return value: -
exceptions: -
*/
virtual ~mtgrid();
/*
Operator= assigns all member values of a given mtgrid object
to the corresponding member values of this object.
author: Dirk Zacher
parameters: rmtgrid - reference to a mtgrid object
return value: reference to this object
exceptions: -
*/
const mtgrid& operator=(const mtgrid& rmtgrid);
/*
Operator== compares this object with given mtgrid object.
author: Dirk Zacher
parameters: rmtgrid - reference to a mtgrid object
return value: true, if this object equals rmtgrid, otherwise false
exceptions: -
*/
bool operator==(const mtgrid& rmtgrid) const;
/*
Method GetT returns the time origin of the mtgrid.
author: Dirk Zacher
parameters: -
return value: time origin of the mtgrid
exceptions: -
*/
const double& GetT() const;
/*
Method GetDuration returns the duration of the mtgrid.
author: Dirk Zacher
parameters: -
return value: duration of the mtgrid
exceptions: -
*/
const datetime::DateTime& GetDuration() const;
/*
Method SetT sets the time origin of the mtgrid.
author: Dirk Zacher
parameters: rT - reference to time origin
return value: true, if time origin successfully set, otherwise false
exceptions: -
*/
bool SetT(const double& rT);
/*
Method SetDuration sets the duration of the mtgrid.
author: Dirk Zacher
parameters: rDuration - reference to duration
return value: true, if duration successfully set, otherwise false
exceptions: -
*/
bool SetDuration(const datetime::DateTime& rDuration);
/*
Method IsEqualGrid checks if this object equals given tgrid object.
author: Dirk Zacher
parameters: rtgrid - reference to a tgrid object
return value: true, if this object equals rtgrid object, otherwise false
exceptions: -
*/
bool IsEqualGrid(const tgrid& rtgrid) const;
/*
Method IsEqualGrid checks if this object equals given mtgrid object.
author: Dirk Zacher
parameters: rmtgrid - reference to a mtgrid object
return value: true, if this object equals rmtgrid object, otherwise false
exceptions: -
*/
bool IsEqualGrid(const mtgrid& rmtgrid) const;
/*
Method IsMatchingGrid checks if this object matches given tgrid object.
author: Dirk Zacher
parameters: rtgrid - reference to a tgrid object
return value: true, if this object matches rtgrid object, otherwise false
exceptions: -
*/
bool IsMatchingGrid(const tgrid& rtgrid) const;
/*
Method IsMatchingGrid checks if this object matches given mtgrid object.
author: Dirk Zacher
parameters: rmtgrid - reference to a mtgrid object
return value: true, if this object matches rmtgrid object, otherwise false
exceptions: -
*/
bool IsMatchingGrid(const mtgrid& rmtgrid) const;
protected:
/*
Method Reset resets all members of the class to the default values.
author: Dirk Zacher
parameters: -
return value: -
exceptions: -
*/
void Reset();
public:
/*
Method Adjacent checks if this object is adjacent to given Attribute object.
author: Dirk Zacher
parameters: pAttribute - a pointer to an Attribute object
return value: true, if this object is adjacent to pAttribute, otherwise false
exceptions: -
*/
virtual bool Adjacent(const Attribute* pAttribute) const;
/*
Method Clone returns a copy of this object.
author: Dirk Zacher
parameters: -
return value: a pointer to a copy of this object
exceptions: -
*/
virtual Attribute* Clone() const;
/*
Method Compare compares this object with given Attribute object.
author: Dirk Zacher
parameters: pAttribute - a pointer to an Attribute object
return value: -1 if this object < pAttribute object or
this object is undefined and pAttribute object is defined,
0 if this object equals pAttribute object or
this object and pAttribute object are undefined,
1 if this object > pAttribute object or
this object is defined and pAttribute object is undefined
exceptions: -
*/
virtual int Compare(const Attribute* pAttribute) const;
/*
Method CopyFrom assigns all member values of pAttribute object
to the corresponding member values of this object.
author: Dirk Zacher
parameters: pAttribute - a pointer to an Attribute object
return value: -
exceptions: -
*/
virtual void CopyFrom(const Attribute* pAttribute);
/*
Method HashValue returns the hash value of the mtgrid object.
author: Dirk Zacher
parameters: -
return value: hash value of the mtgrid object
exceptions: -
*/
virtual size_t HashValue() const;
/*
Method Sizeof returns the size of mtgrid datatype.
author: Dirk Zacher
parameters: -
return value: size of mtgrid datatype
exceptions: -
*/
virtual size_t Sizeof() const;
/*
Method BasicType returns the typename of mtgrid datatype.
author: Dirk Zacher
parameters: -
return value: typename of mtgrid datatype
exceptions: -
*/
static const std::string BasicType();
/*
Method Cast casts a void pointer to a new mtgrid object.
author: Dirk Zacher
parameters: pVoid - a pointer to a memory address
return value: a pointer to a new mtgrid object
exceptions: -
*/
static void* Cast(void* pVoid);
/*
Method Clone clones an existing mtgrid object given by a reference to a Word.
author: Dirk Zacher
parameters: typeInfo - TypeInfo of object referenced by rWord
rWord - reference to the address of an existing mtgrid object
return value: a Word that references a new mtgrid object
exceptions: -
*/
static Word Clone(const ListExpr typeInfo,
const Word& rWord);
/*
Method Close closes an existing mtgrid object given by a reference to a Word.
author: Dirk Zacher
parameters: typeInfo - TypeInfo of object referenced by rWord
rWord - reference to the address of an existing mtgrid object
return value: -
exceptions: -
*/
static void Close(const ListExpr typeInfo,
Word& rWord);
/*
Method Create creates a new mtgrid object.
author: Dirk Zacher
parameters: typeInfo - TypeInfo of the new mtgrid object to create
return value: a Word that references a new mtgrid object
exceptions: -
*/
static Word Create(const ListExpr typeInfo);
/*
Method Delete deletes an existing mtgrid object
given by a reference to a Word.
author: Dirk Zacher
parameters: typeInfo - TypeInfo of object referenced by rWord
rWord - reference to the address of an existing mtgrid object
return value: -
exceptions: -
*/
static void Delete(const ListExpr typeInfo,
Word& rWord);
/*
Method GetTypeConstructor returns the TypeConstructor of class mtgrid.
author: Dirk Zacher
parameters: -
return value: TypeConstructor of class mtgrid
exceptions: -
*/
static TypeConstructor GetTypeConstructor();
/*
Method In creates a new mtgrid object on the basis of a given ListExpr.
author: Dirk Zacher
parameters: typeInfo - TypeInfo of object to create on the basis of instance
instance - ListExpr of the mtgrid object to create
errorPos - error position
rErrorInfo - reference to error information
rCorrect - flag that indicates if mtgrid object correctly created
return value: a Word that references a new mtgrid object
exceptions: -
*/
static Word In(const ListExpr typeInfo,
const ListExpr instance,
const int errorPos,
ListExpr& rErrorInfo,
bool& rCorrect);
/*
Method KindCheck checks if given type is mtgrid type.
author: Dirk Zacher
parameters: type - ListExpr of type to check
rErrorInfo - reference to error information
return value: true, if type is mtgrid type, otherwise false
exceptions: -
*/
static bool KindCheck(ListExpr type,
ListExpr& rErrorInfo);
/*
Method Open opens a mtgrid object from a SmiRecord.
author: Dirk Zacher
parameters: rValueRecord - SmiRecord containing mtgrid object to open
rOffset - Offset to the mtgrid object in SmiRecord
typeInfo - TypeInfo of mtgrid object to open
rValue - reference to a Word referencing the opened mtgrid object
return value: true, if mtgrid object was successfully opened, otherwise false
exceptions: -
*/
static bool Open(SmiRecord& rValueRecord,
size_t& rOffset,
const ListExpr typeInfo,
Word& rValue);
/*
Method Out writes out an existing mtgrid object in the form of a ListExpr.
author: Dirk Zacher
parameters: typeInfo - TypeInfo of mtgrid object to write out
value - reference to a Word referencing the mtgrid object
return value: ListExpr of mtgrid object referenced by value
exceptions: -
*/
static ListExpr Out(ListExpr typeInfo,
Word value);
/*
Method Property returns all properties of mtgrid datatype.
author: Dirk Zacher
parameters: -
return value: properties of mtgrid datatype in the form of a ListExpr
exceptions: -
*/
static ListExpr Property();
/*
Method Save saves an existing mtgrid object in a SmiRecord.
author: Dirk Zacher
parameters: rValueRecord - SmiRecord to save existing mtgrid object
rOffset - Offset to save position of mtgrid object in SmiRecord
typeInfo - TypeInfo of mtgrid object to save
rValue - reference to a Word referencing the mtgrid object to save
return value: true, if mtgrid object was successfully saved, otherwise false
exceptions: -
*/
static bool Save(SmiRecord& rValueRecord,
size_t& rOffset,
const ListExpr typeInfo,
Word& rValue);
/*
Method SizeOfObj returns the size of a mtgrid object.
author: Dirk Zacher
parameters: -
return value: size of a mtgrid object
exceptions: -
*/
static int SizeOfObj();
private:
/*
Member m_dT contains the time origin of the grid.
*/
double m_dT;
/*
Member m_Duration contains the duration for the time dimension.
*/
datetime::DateTime m_Duration;
};
}
#endif // TILEALGEBRA_MTGRID_H