/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* This package contains documentation from OpenGIS specifications.
* OpenGIS consortium's work is fully acknowledged here.
*/
package org.geotools.referencing.operation;
import java.util.Map;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import org.opengis.referencing.operation.Transformation;
import org.opengis.referencing.operation.OperationMethod;
/**
* An operation on coordinates that usually includes a change of Datum. The parameters
* of a coordinate transformation are empirically derived from data containing the coordinates
* of a series of points in both coordinate reference systems. This computational process
* is usually "over-determined", allowing derivation of error (or accuracy) estimates
* for the transformation. Also, the stochastic nature of the parameters may result
* in multiple (different) versions of the same coordinate transformation.
*
* @since 2.1
* @source $URL$
* @version $Id$
* @author Martin Desruisseaux (IRD)
*
* @see DefaultConversion
*/
public class DefaultTransformation extends DefaultOperation implements Transformation {
/**
* Serial number for interoperability with different versions.
*/
private static final long serialVersionUID = -7486704846151648971L;
/**
* Constructs a transformation from a set of properties. The properties given in argument
* follow the same rules than for the {@link AbstractCoordinateOperation} constructor.
*
* @param properties Set of properties. Should contains at least {@code "name"}.
* @param sourceCRS The source CRS.
* @param targetCRS The target CRS.
* @param transform Transform from positions in the {@linkplain #getSourceCRS source CRS}
* to positions in the {@linkplain #getTargetCRS target CRS}.
* @param method The operation method.
*/
public DefaultTransformation(final Map<String,?> properties,
final CoordinateReferenceSystem sourceCRS,
final CoordinateReferenceSystem targetCRS,
final MathTransform transform,
final OperationMethod method)
{
super(properties, sourceCRS, targetCRS, transform, method);
if (false) {
// The EPSG database do not always defines an operation version.
// Consequently, we relax the rule saying that version is mandatory.
ensureNonNull(OPERATION_VERSION_KEY, operationVersion);
}
}
}