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Coordinate Transformation Suite (abridged CTS) is a library developed to perform coordinate transformations using well known geodetic algorithms and parameter sets. It strives to be simple, flexible and interoperable, in this order.

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/*
 * Coordinate Transformations Suite (abridged CTS)  is a library developped to 
 * perform Coordinate Transformations using well known geodetic algorithms 
 * and parameter sets. 
 * Its main focus are simplicity, flexibility, interoperability, in this order.
 *
 * This library has been originally developed by Michaël Michaud under the JGeod
 * name. It has been renamed CTS in 2009 and shared to the community from 
 * the Atelier SIG code repository.
 * 
 * Since them, CTS is supported by the Atelier SIG team in collaboration with Michaël 
 * Michaud.
 * The new CTS has been funded  by the French Agence Nationale de la Recherche 
 * (ANR) under contract ANR-08-VILL-0005-01 and the regional council 
 * "Région Pays de La Loire" under the projet SOGVILLE (Système d'Orbservation 
 * Géographique de la Ville).
 *
 * CTS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * CTS 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.
 *
 * You should have received a copy of the GNU General Public License along with
 * CTS. If not, see .
 *
 * For more information, please consult: 
 */
package org.cts.datum;

import org.cts.Identifiable;
import org.cts.cs.Extent;
import org.cts.op.CoordinateOperation;

/**
 * A Datum (plural datums) is a reference from which measurements are made.
 * This interface defines getters and setters for attributes common to every
 * kind of datum (horizontal or vertical) : origin, extent, epoch
 *
 * @author Michaël Michaud
 *
 */
public interface Datum extends Identifiable {

    /**
     * Returns origin description of this Datum.
     */
    public String getOrigin();

    /**
     * Returns the valid extent of this Datum.
     */
    public Extent getExtent();

    /**
     * Returns the realization epoch as a String.
     */
    public String getEpoch();

    /**
     * Returns the ellipsoid of this datum.
     */
    public Ellipsoid getEllipsoid();

    /**
     * Returns the ellipsoid of this datum.
     */
    public CoordinateOperation getToWGS84();

    /**
     * Returns the primemeridian of this datum.
     */
    public PrimeMeridian getPrimeMeridian();
}