001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.data.projection.datum;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import org.openstreetmap.josm.data.projection.Ellipsoid;
007
008/**
009 * WGS84 datum. Transformation from and to WGS84 datum is a no-op.
010 * @since 4285
011 */
012public final class WGS84Datum extends NullDatum {
013
014    /**
015     * The unique instance.
016     */
017    public static final WGS84Datum INSTANCE = new WGS84Datum();
018
019    private WGS84Datum() {
020        super(tr("WGS84"), Ellipsoid.WGS84);
021    }
022}