001 // License: GPL. For details, see LICENSE file. 002 package org.openstreetmap.josm.data.projection.datum; 003 004 import org.openstreetmap.josm.data.coor.LatLon; 005 import 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 */ 011 public 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 }