/** *                     RESTRICTED RIGHTS LEGEND * *                        BBNT Solutions LLC *                        A Verizon Company *                        10 Moulton Street *                       Cambridge, MA 02138 *                         (617) 873-3000 * * Copyright BBNT Solutions LLC 2001, 2002 All Rights Reserved * */package com.bbn.openmap.geo;/** * Represents 3 points across great circle, see RibbonIterator. * <p> * The three points, are * <ul> * <li>LEFT, a point radius radians to the left of the great circle. * <li>CENTER, a point on the great circle. * <li>RIGHT, a point radius radians to the right of the great * circle. * </ul> */public class Ribbon {    public static final int LEFT = 0;    public static final int CENTER = 1;    public static final int RIGHT = 2;    private Geo[] point;    /**     * Get the Geo for the Ribbon.     *      * @param which LEFT, RIGHT or CENTER     * @return Geo     */    public Geo get(int which) {        return point[which];    }    /**     * @param which LEFT, RIGHT or CENTER     * @return latitude of Geo.     */    public double getLatitude(int which) {        return point[which].getLatitude();    }    /**     * @param which LEFT, RIGHT or CENTER     * @return longitude of Geo     */    public double getLongitude(int which) {        return point[which].getLongitude();    }    /**     * Create a Ribbon at the point x along the great circle who's     * normal is gc, and radius is the distance appart in radians.     */    public Ribbon(Geo x, Geo gc, double radius) {        Geo v = x.crossNormalize(gc);        Rotation r = new Rotation(v, radius);        Geo left = r.rotate(x);        point = new Geo[] { left, x, x.add(x.subtract(left)) };    }}