80 lines
2.2 KiB
Java
80 lines
2.2 KiB
Java
|
//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
|
||
|
|
|
||
|
|
package fuzzyobjects.basic;
|
||
|
|
|
||
|
|
import fuzzyobjects.GeoObject;
|
||
|
|
import java.io.Serializable;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This class provides a interfaces for comparable
|
||
|
|
* spatial basicobjects.
|
||
|
|
* Such objects contains a fixed set of Basicpoints
|
||
|
|
* @author Thomas Behr
|
||
|
|
*/
|
||
|
|
|
||
|
|
public interface BasicObject extends GeoObject,Serializable{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* make it possible to compare 2 BasicObjects
|
||
|
|
*
|
||
|
|
* @param BO the object to compare
|
||
|
|
* @return <ul>
|
||
|
|
* <li> -1 if the this smaller then BO </li>
|
||
|
|
* <li> 0 if this equals to BO </li>
|
||
|
|
* <li> 1 if this greater then BO </li>
|
||
|
|
* </ul>
|
||
|
|
*/
|
||
|
|
int compareTo(BasicObject BO);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the BasicPoints contained in this object
|
||
|
|
* @return the set of BasicPoints of this
|
||
|
|
*/
|
||
|
|
BasicPoint[] getBasicPoints();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* computes a distance between 2 BasicObjects
|
||
|
|
* @param BO the another object
|
||
|
|
* @return the euclidic distance between this and BO
|
||
|
|
*/
|
||
|
|
double euclid_distance(BasicObject BO);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* computes the quadratic euclidic distance
|
||
|
|
* @param BO the another object
|
||
|
|
* @return <code>euclid_distance</code><sup>2</sup>
|
||
|
|
*/
|
||
|
|
double q_euclid_distance(BasicObject BO);
|
||
|
|
|
||
|
|
/** returns the minX of the bounding box */
|
||
|
|
int getMinX();
|
||
|
|
|
||
|
|
/** returns the min Y of the bounding box */
|
||
|
|
int getMinY();
|
||
|
|
|
||
|
|
/** returns the maxX of the bounding box */
|
||
|
|
int getMaxX();
|
||
|
|
|
||
|
|
/** returns the max Y of the bounding box */
|
||
|
|
int getMaxY();
|
||
|
|
|
||
|
|
}
|
||
|
|
|