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Standard interfaces implemented throughout the library.

There is a newer version: 24.2-oss84-1

/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2003-2005, Open Geospatial Consortium Inc.
 *
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.referencing.datum;

import static org.opengis.annotation.Obligation.*;
import static org.opengis.annotation.Specification.*;

import org.opengis.annotation.UML;

/**
 * A textual description and/or a set of parameters identifying a particular reference level surface
 * used as a zero-height surface. The description includes its position with respect to the Earth
 * for any of the height types recognized by this standard. There are several types of Vertical
 * Datums, and each may place constraints on the {@linkplain
 * org.opengis.referencing.cs.CoordinateSystemAxis Coordinate Axis} with which it is combined to
 * create a {@linkplain org.opengis.referencing.crs.VerticalCRS Vertical CRS}.
 *
 * @version Abstract
 *     specification 2.0
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 1.0
 */
@UML(identifier = "CD_VerticalDatum", specification = ISO_19111)
public interface VerticalDatum extends Datum {
    /**
     * The type of this vertical datum. Default is "geoidal".
     *
     * @return The type of this vertical datum.
     */
    @UML(identifier = "vertDatumType", obligation = MANDATORY, specification = ISO_19111)
    VerticalDatumType getVerticalDatumType();
}