point.java

R-Tree Java implementations 结构清晰

//   Point.java
//   Java Spatial Index Library
//   Copyright (C) 2002 Infomatiq Limited
//  
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//  
//  This library 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
//  Lesser General Public License for more details.
//  
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

package com.infomatiq.jsi;

/**
 * Currently hardcoded to 2 dimensions, but could be extended.
 * 
 * @author  [e-mail]
 * @version 1.0b2p1
 */
public class Point {
  /**
   * Number of dimensions in a point. In theory this
   * could be exended to three or more dimensions.
   */
  private final static int DIMENSIONS = 2;
  
  /**
   * The (x, y) coordinates of the point.
   */
  public float[] coordinates;
  
  /**
   * Constructor.
   * 
   * @param x The x coordinate of the point
   * @param y The y coordinate of the point
   */
  public Point(float x, float y) {
    coordinates = new float[DIMENSIONS];
    coordinates[0] = x; 
    coordinates[1] = y;
  }
}