Subversion Repositories splitter

/*
 * Copyright (C) 2006 Steve Ratcliffe
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3
 *  published by the Free Software Foundation.
 *
 *  This program 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.
 *
 *
 * Author: Steve Ratcliffe
 * Create date: 11-Dec-2006
 */
package uk.me.parabola.splitter;

/**
 * A point coordinate in unshifted map-units.
 * A map unit is 360/2^24 degrees.  In some places <i>shifted</i> coordinates
 * are used, which means that they are divided by some power of two to save
 * space in the file.
 *
 * You can create one of these with lat/long by calling the constructor with
 * double args.
 *
 * This is an immutable class.
 *
 * @author Steve Ratcliffe
 */
public class Coord {
        private final int latitude;
        private final int longitude;

        /**
         * Construct from regular latitude and longitude.
         * @param latitude The latitude in degrees.
         * @param longitude The longitude in degrees.
         */
        public Coord(double latitude, double longitude) {
                this.latitude = Utils.toMapUnit(latitude);
                this.longitude = Utils.toMapUnit(longitude);
        }

        public int getLatitude() {
                return latitude;
        }

        public int getLongitude() {
                return longitude;
        }

        public int hashCode() {
                return latitude+longitude;
        }

        public boolean equals(Object obj) {
                if (obj == null)
                        return false;
                if (obj.getClass() != getClass())
                        return false;
                Coord other = (Coord) obj;
                return latitude == other.latitude && longitude == other.longitude;
        }

        /**
         * Returns a string representation of the object.
         *
         * @return a string representation of the object.
         */
        public String toString() {
                return (latitude) + "/" + (longitude);
        }

}