/*
* 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.crs;
import org.opengis.referencing.cs.CartesianCS;
import org.opengis.referencing.cs.SphericalCS;
import org.opengis.referencing.cs.CoordinateSystem;
import org.opengis.annotation.UML;
import static org.opengis.annotation.Obligation.*;
import static org.opengis.annotation.Specification.*;
/**
* A 3D coordinate reference system with the origin at the approximate centre of mass of the earth.
* A geocentric CRS deals with the earth's curvature by taking a 3D spatial view, which obviates
* the need to model the earth's curvature.
*
* <TABLE CELLPADDING='6' BORDER='1'>
* <TR BGCOLOR="#EEEEFF"><TH NOWRAP>Used with CS type(s)</TH></TR>
* <TR><TD>
* {@link org.opengis.referencing.cs.CartesianCS Cartesian},
* {@link org.opengis.referencing.cs.SphericalCS Spherical}
* </TD></TR></TABLE>
*
*
* @source $URL: http://svn.osgeo.org/geotools/trunk/modules/library/opengis/src/main/java/org/opengis/referencing/crs/GeocentricCRS.java $
* @version <A HREF="http://portal.opengeospatial.org/files/?artifact_id=6716">Abstract specification 2.0</A>
* @author Martin Desruisseaux (IRD)
* @since GeoAPI 1.0
*/
@UML(identifier="SC_GeocentricCRS", specification=ISO_19111)
public interface GeocentricCRS extends GeodeticCRS {
/**
* Returns the coordinate system, which must be {@linkplain CartesianCS cartesian}
* or {@linkplain SphericalCS spherical}.
*/
@UML(identifier="usesCartesianCS, usesSphericalCS", obligation=MANDATORY, specification=ISO_19111)
CoordinateSystem getCoordinateSystem();
}