001 /*
002 * GeoAPI - Java interfaces for OGC/ISO standards
003 * http://www.geoapi.org
004 *
005 * Copyright (C) 2004-2012 Open Geospatial Consortium, Inc.
006 * All Rights Reserved. http://www.opengeospatial.org/ogc/legal
007 *
008 * Permission to use, copy, and modify this software and its documentation, with
009 * or without modification, for any purpose and without fee or royalty is hereby
010 * granted, provided that you include the following on ALL copies of the software
011 * and documentation or portions thereof, including modifications, that you make:
012 *
013 * 1. The full text of this NOTICE in a location viewable to users of the
014 * redistributed or derivative work.
015 * 2. Notice of any changes or modifications to the OGC files, including the
016 * date changes were made.
017 *
018 * THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
019 * NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
020 * TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
021 * THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
022 * PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
023 *
024 * COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
025 * CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
026 *
027 * The name and trademarks of copyright holders may NOT be used in advertising or
028 * publicity pertaining to the software without specific, written prior permission.
029 * Title to copyright in this software and any associated documentation will at all
030 * times remain with copyright holders.
031 */
032 package org.opengis.referencing.operation;
033
034 import org.opengis.referencing.crs.CoordinateReferenceSystem;
035 import org.opengis.annotation.UML;
036 import static org.opengis.annotation.Obligation.*;
037 import static org.opengis.annotation.Specification.*;
038
039
040 /**
041 * An operation on coordinates that usually includes a change of Datum. The parameters
042 * of a coordinate transformation are empirically derived from data containing the coordinates
043 * of a series of points in both coordinate reference systems. This computational process
044 * is usually "over-determined", allowing derivation of error (or accuracy) estimates
045 * for the transformation. Also, the stochastic nature of the parameters may result
046 * in multiple (different) versions of the same coordinate transformation.
047 *
048 * @author Martin Desruisseaux (IRD)
049 * @version 3.0
050 * @since 1.0
051 *
052 * @see Conversion
053 */
054 @UML(identifier="CC_Transformation", specification=ISO_19111)
055 public interface Transformation extends SingleOperation {
056 /**
057 * Returns the source CRS.
058 *
059 * @return The source CRS (never {@code null}).
060 */
061 @Override
062 @UML(identifier="sourceCRS", obligation=MANDATORY, specification=ISO_19111)
063 CoordinateReferenceSystem getSourceCRS();
064
065 /**
066 * Returns the target CRS.
067 *
068 * @return The target CRS (never {@code null}).
069 */
070 @Override
071 @UML(identifier="targetCRS", obligation=MANDATORY, specification=ISO_19111)
072 CoordinateReferenceSystem getTargetCRS();
073
074 /**
075 * Version of the coordinate transformation (i.e., instantiation due to the stochastic
076 * nature of the parameters). This attribute is mandatory in a Transformation.
077 *
078 * @return The coordinate operation version.
079 */
080 @Override
081 @UML(identifier="operationVersion", obligation=MANDATORY, specification=ISO_19111)
082 String getOperationVersion();
083 }