/*
 *    GeoTools - OpenSource mapping toolkit
 *    http://geotools.org
 *   
 *   (C) 2003-2006, Geotools Project Managment Committee (PMC)
 *   (C) 2001, Institut de Recherche pour le Développement
 *
 *    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; either
 *    version 2.1 of the License, or (at your option) any later version.
 *
 *    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.
 */
package org.geotools.referencing.operation.transform;

// OpenGIS dependencies
import org.opengis.referencing.operation.MathTransform;
import org.opengis.referencing.operation.MathTransform2D;


/**
 * Concatenated transform in which the resulting transform is two-dimensional.
 *
 * @since 2.0
 * @source $URL: http://svn.geotools.org/geotools/tags/2.4.1/modules/library/referencing/src/main/java/org/geotools/referencing/operation/transform/ConcatenatedTransform2D.java $
 * @version $Id: ConcatenatedTransform2D.java 20874 2006-08-07 10:00:01Z jgarnett $
 * @author Martin Desruisseaux
 */
final class ConcatenatedTransform2D extends ConcatenatedTransform implements MathTransform2D {
    /**
     * Serial number for interoperability with different versions.
     */
    private static final long serialVersionUID = -7307709788564866500L;
    
    /**
     * Constructs a concatenated transform.
     */
    public ConcatenatedTransform2D(final MathTransform transform1,
                                   final MathTransform transform2)
    {
        super(transform1, transform2);
    }
    
    /**
     * Check if transforms are compatibles with this implementation.
     */
    boolean isValid() {
        return super.isValid() && getSourceDimensions()==2 && getTargetDimensions()==2;
    }
}
