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package de.lmu.ifi.dbs.elki.math.geodesy;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2013
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import de.lmu.ifi.dbs.elki.utilities.Alias;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer;
/**
* The WGS72 spheroid earth model, without height model.
*
*
* Radius: 6378135.0 m
*
* Flattening: 1 / 298.26
*
* @author Erich Schubert
*/
@Alias({ "WGS72", "WGS-72", "WGS72" })
public class WGS72SpheroidEarthModel extends AbstractEarthModel {
/**
* Static instance.
*/
public static final WGS72SpheroidEarthModel STATIC = new WGS72SpheroidEarthModel();
/**
* Radius of the WGS72 Ellipsoid in m (a).
*/
public static final double WGS72_RADIUS = 6378135.0; // m
/**
* Inverse flattening 1/f of the WGS72 Ellipsoid.
*/
public static final double WGS72_INV_FLATTENING = 298.26;
/**
* Flattening f of the WGS72 Ellipsoid.
*/
public static final double WGS72_FLATTENING = 1 / WGS72_INV_FLATTENING;
/**
* Constructor.
*/
protected WGS72SpheroidEarthModel() {
super(WGS72_RADIUS, WGS72_RADIUS * (1 - WGS72_FLATTENING), WGS72_FLATTENING, WGS72_INV_FLATTENING);
}
/**
* Parameterization class.
*
* @author Erich Schubert
*
* @apiviz.exclude
*/
public static class Parameterizer extends AbstractParameterizer {
@Override
protected WGS72SpheroidEarthModel makeInstance() {
return STATIC;
}
}
}
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