80 lines
2.2 KiB
Java
80 lines
2.2 KiB
Java
//This file is part of SECONDO.
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//Copyright (C) 2004, University in Hagen, Department of Computer Science,
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//Database Systems for New Applications.
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//SECONDO is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//SECONDO is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//You should have received a copy of the GNU General Public License
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//along with SECONDO; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package fuzzyobjects.basic;
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import fuzzyobjects.GeoObject;
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import java.io.Serializable;
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/**
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* This class provides a interfaces for comparable
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* spatial basicobjects.
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* Such objects contains a fixed set of Basicpoints
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* @author Thomas Behr
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*/
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public interface BasicObject extends GeoObject,Serializable{
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/**
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* make it possible to compare 2 BasicObjects
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*
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* @param BO the object to compare
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* @return <ul>
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* <li> -1 if the this smaller then BO </li>
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* <li> 0 if this equals to BO </li>
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* <li> 1 if this greater then BO </li>
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* </ul>
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*/
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int compareTo(BasicObject BO);
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/**
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* returns the BasicPoints contained in this object
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* @return the set of BasicPoints of this
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*/
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BasicPoint[] getBasicPoints();
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/**
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* computes a distance between 2 BasicObjects
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* @param BO the another object
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* @return the euclidic distance between this and BO
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*/
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double euclid_distance(BasicObject BO);
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/**
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* computes the quadratic euclidic distance
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* @param BO the another object
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* @return <code>euclid_distance</code><sup>2</sup>
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*/
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double q_euclid_distance(BasicObject BO);
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/** returns the minX of the bounding box */
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int getMinX();
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/** returns the min Y of the bounding box */
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int getMinY();
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/** returns the maxX of the bounding box */
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int getMaxX();
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/** returns the max Y of the bounding box */
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int getMaxY();
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}
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