NormalizedGeodeticPoint.java
/* Copyright 2013-2022 CS GROUP
* Licensed to CS GROUP (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.orekit.rugged.utils;
import org.hipparchus.util.MathUtils;
import org.orekit.bodies.GeodeticPoint;
/** Geodetic point whose longitude can be selected with respect to the 2π boundary.
* @author Luc Maisonobe
*/
public class NormalizedGeodeticPoint extends GeodeticPoint {
/** Serializable UID. */
private static final long serialVersionUID = 20141016l;
/** Normalized longitude. */
private final double normalizedLongitude;
/**
* Build a new instance. The angular coordinates will be normalized
* to ensure that the latitude is between ±π/2 and the longitude
* is between lc-π and lc+π.
*
* @param latitude latitude of the point
* @param longitude longitude of the point
* @param altitude altitude of the point
* @param centralLongitude central longitude lc
*/
public NormalizedGeodeticPoint(final double latitude, final double longitude,
final double altitude, final double centralLongitude) {
super(latitude, longitude, altitude);
this.normalizedLongitude = MathUtils.normalizeAngle(longitude, centralLongitude);
}
/** Get the longitude.
* @return longitude, an angular value in the range [lc-π, lc+π],
* where l₀ was selected at construction
*/
@Override
public double getLongitude() {
return normalizedLongitude;
}
/** {@inheritDoc} */
@Override
public boolean equals(final Object object) {
// we override the method just to make it clear that we INTENTIONALLY
// consider normalized point are just similar to regular points
return super.equals(object);
}
/** {@inheritDoc} */
@Override
public int hashCode() {
// we override the method just to make it clear that we INTENTIONALLY
// consider normalized point are just similar to regular points
return super.hashCode();
}
}