001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.data.projection.datum;
003
004import org.openstreetmap.josm.data.coor.LatLon;
005import org.openstreetmap.josm.data.projection.Ellipsoid;
006
007/**
008 * A datum with different ellipsoid than WGS84, but does not require
009 * shift, rotation or scaling.
010 */
011public class CentricDatum extends AbstractDatum {
012
013    public CentricDatum(String name, String proj4Id, Ellipsoid ellps) {
014        super(name, proj4Id, ellps);
015    }
016
017    @Override
018    public LatLon toWGS84(LatLon ll) {
019        return Ellipsoid.WGS84.cart2LatLon(ellps.latLon2Cart(ll));
020    }
021
022    @Override
023    public LatLon fromWGS84(LatLon ll) {
024        return this.ellps.cart2LatLon(Ellipsoid.WGS84.latLon2Cart(ll));
025    }
026
027    @Override
028    public String toString() {
029        return "CentricDatum{ellipsoid="+ellps+"}";
030    }
031}