/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/exse/
lat/lon GmbH
http://www.lat-lon.de
It has been implemented within SEAGIS - An OpenSource implementation of OpenGIS specification
(C) 2001, Institut de Recherche pour le D�veloppement (http://sourceforge.net/projects/seagis/)
SEAGIS Contacts: Surveillance de l'Environnement Assist�e par Satellite
Institut de Recherche pour le D�veloppement / US-Espace
mailto:seasnet@teledetection.fr
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.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53115 Bonn
Germany
E-Mail: poth@lat-lon.de
Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: klaus.greve@uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.model.csct.ct;
import org.deegree.model.csct.pt.CoordinatePoint;
/**
* Concatened transform where the transfert dimension
* is the same than source and target dimension. This
* fact allows some optimizations, the most important
* one being the possibility to avoid the use of an
* intermediate buffer.
*
* @version 1.0
* @author Martin Desruisseaux
*/
class ConcatenedTransformDirect extends ConcatenedTransform {
/**
* Serial number for interoperability with different versions.
*/
private static final long serialVersionUID = -3568975979013908920L;
/**
* Construct a concatenated transform.
*/
public ConcatenedTransformDirect( final MathTransformFactory provider,
final MathTransform transform1,
final MathTransform transform2 ) {
super( provider, transform1, transform2 );
}
/**
* Check if transforms are compatibles
* with this implementation.
*/
protected boolean isValid() {
return super.isValid() &&
( transform1.getDimSource() == transform1.getDimTarget() ) &&
( transform2.getDimSource() == transform2.getDimTarget() );
}
/**
* Transforms the specified <code>ptSrc</code> and stores the result in <code>ptDst</code>.
*/
public CoordinatePoint transform( final CoordinatePoint ptSrc, CoordinatePoint ptDst )
throws TransformException {
ptDst = transform1.transform( ptSrc, ptDst );
return transform2.transform( ptDst, ptDst );
}
/**
* Transforms a list of coordinate point ordinal values.
*/
public void transform( final double[] srcPts, final int srcOff, final double[] dstPts,
final int dstOff, final int numPts ) throws TransformException {
transform1.transform( srcPts, srcOff, dstPts, dstOff, numPts );
transform2.transform( dstPts, dstOff, dstPts, dstOff, numPts );
}
/**
* Transforms a list of coordinate point ordinal values.
*/
public void transform( final float[] srcPts, final int srcOff, final float[] dstPts,
final int dstOff, final int numPts ) throws TransformException {
transform1.transform( srcPts, srcOff, dstPts, dstOff, numPts );
transform2.transform( dstPts, dstOff, dstPts, dstOff, numPts );
}
}