/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
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
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.processing.raster.interpolation;
/**
*
*
*
* @version $Revision: 1.2 $
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author last edited by: $Author: schmitz $
*
* @version 1.0. $Revision: 1.2 $, $Date: 2006/10/20 14:57:08 $
*
* @since 2.0
*/
public class DataTuple implements Comparable<DataTuple> {
public double x = 0;
public double y = 0;
public double value = 0;
/**
* This may not be the best choice for epsilon.
*/
// public static final double EPSILON = 0.00000000001;
/**
* Convenience constructor.
*
* @param x
* @param y
* @param value
*/
public DataTuple( double x, double y, double value ) {
this.x = x;
this.y = y;
this.value = value;
}
/**
* Empty constructor. Data is pre-set to zero.
*/
public DataTuple() {
}
/* (non-Javadoc)
* @see java.lang.Comparable#compareTo(T)
*/
public int compareTo( DataTuple o ) {
// boolean xequal = ( ( ( x - EPSILON ) < o.x ) && ( ( x + EPSILON ) > o.x ) );
// boolean yequal = ( ( ( y - EPSILON ) < o.y ) && ( ( y + EPSILON ) > o.y ) );
boolean xequal = ( x == o.x );
boolean yequal = ( y == o.y );
if ( xequal && yequal ) {
return 0;
}
if ( x < o.x ) {
return -1;
}
if ( xequal && ( y < o.y ) ) {
return -1;
}
return 1;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: DataTuple.java,v $
Revision 1.2 2006/10/20 14:57:08 schmitz
Added a memory point quadtree implementation.
Used the quadtree for interpolation.
Updated the text2tiff tool to use quadtree and interpolation.
Revision 1.1 2006/10/12 15:44:57 poth
initial checkin
********************************************************************** */