referencesystem.java

GEo 地理操作源代码

/*$************************************************************************************************
 **
 ** $Id: ReferenceSystem.java,v 1.1 2004/05/06 15:51:50 desruisseaux Exp $
 **
 ** $Source: /cvsroot/geoapi/src/org/opengis/referencing/ReferenceSystem.java,v $
 **
 ** Copyright (C) 2003 Open GIS Consortium, Inc. All Rights Reserved. http://www.opengis.org/Legal/
 **
 *************************************************************************************************/
package org.opengis.referencing;

// J2SE direct dependencies
import java.util.Locale;

// OpenGIS direct dependencies
import org.opengis.metadata.extent.Extent;


/**
 * Description of a spatial and temporal reference system used by a dataset.
 *  
 * @UML abstract RS_ReferenceSystem
 * @author ISO 19111
 * @author <A HREF="http://www.opengis.org">OpenGIS&reg; consortium</A>
 * @version <A HREF="http://www.opengis.org/docs/03-073r1.zip">Abstract specification 2.0</A>
 *
 * @see org.opengis.referencing.crs.CoordinateReferenceSystem
 */
public interface ReferenceSystem extends Info {
    /**
     * Area for which the (coordinate) reference system is valid.
     *
     * @return Coordinate reference system valid area, or <code>null</code> if not available.
     * @UML optional validArea
     */
    Extent getValidArea();

    /**
     * Description of domain of usage, or limitations of usage, for which this
     * (coordinate) reference system object is valid.
     *
     * @param  locale The desired locale for the scope to be returned, or <code>null</code>
     *         for a scope in some default locale (may or may not be the
     *         {@linkplain Locale#getDefault() system default}).
     * @return The Coordinate reference system scope in the given locale, or <code>null</code> if
     *         none. If no scope is available in the given locale, then some default locale is used.
     * @UML optional scope
     */
    String getScope(Locale locale);
}