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

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/*
----
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
----
//paragraph [1] Title: [{\Large \bf \begin {center}] [\end {center}}]
//[TOC] [\tableofcontents]
//[_] [\_]
1 Struct ~AttrType~
The following type definition indicates the structure of the ~attr~ value associated with
half segments. This attribute is utilized only when we are handling regions. In line values
this attibute is ignored.
*/
#ifndef ATTRTYPE_H
#define ATTRTYPE_H
#include <iostream>
#include <stdint.h>
struct AttrType
{
inline AttrType() { }
explicit inline AttrType( int dummy ) :
faceno(-999999),
cycleno(-999999),
edgeno(-999999),
partnerno(-999999),
coverageno(-999999),
insideAbove(false)
{}
/*
The simple constructor.
*/
inline AttrType( const AttrType& at ):
faceno( at.faceno ),
cycleno( at.cycleno ),
edgeno( at.edgeno ),
partnerno( at.partnerno ),
coverageno( at.coverageno ),
insideAbove( at.insideAbove )
{}
/*
The copy constructor.
*/
inline AttrType& operator=( const AttrType& at )
{
faceno = at.faceno;
cycleno = at.cycleno;
edgeno = at.edgeno;
coverageno = at.coverageno;
insideAbove = at.insideAbove;
partnerno = at.partnerno;
return *this;
}
/*
Redefinition of the assignement operator.
6.1 Attributes
*/
int32_t faceno;
/*
The face identifier
*/
int32_t cycleno;
/*
The cycle identifier
*/
int32_t edgeno;
/*
The edge (segment) identifier
*/
int32_t partnerno;
/*
Stores the position of the partner half segment in half segment ordered array
*/
int32_t coverageno;
/*
Used for fast spatial scan of the inside[_]pr algorithm
*/
bool insideAbove;
/*
Indicates whether the region's area is above or left of its segment
*/
};
std::ostream& operator<<(std::ostream& out, const AttrType& attr);
#endif