PlanetaryTerm.java
- /* Copyright 2002-2016 CS Systèmes d'Information
- * Licensed to CS Systèmes d'Information (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.data;
- import org.apache.commons.math3.RealFieldElement;
- /** Class for planetary only terms.
- * @param <T> the type of the field elements
- * @author Luc Maisonobe
- */
- class PlanetaryTerm<T extends RealFieldElement<T>> extends SeriesTerm<T> {
- /** Coefficient for mean Mercury longitude. */
- private final int cMe;
- /** Coefficient for mean Venus longitude. */
- private final int cVe;
- /** Coefficient for mean Earth longitude. */
- private final int cE;
- /** Coefficient for mean Mars longitude. */
- private final int cMa;
- /** Coefficient for mean Jupiter longitude. */
- private final int cJu;
- /** Coefficient for mean Saturn longitude. */
- private final int cSa;
- /** Coefficient for mean Uranus longitude. */
- private final int cUr;
- /** Coefficient for mean Neptune longitude. */
- private final int cNe;
- /** Coefficient for general accumulated precession in longitude. */
- private final int cPa;
- /** Build a planetary term for nutation series.
- * @param cMe coefficient for mean Mercury longitude
- * @param cVe coefficient for mean Venus longitude
- * @param cE coefficient for mean Earth longitude
- * @param cMa coefficient for mean Mars longitude
- * @param cJu coefficient for mean Jupiter longitude
- * @param cSa coefficient for mean Saturn longitude
- * @param cUr coefficient for mean Uranus longitude
- * @param cNe coefficient for mean Neptune longitude
- * @param cPa coefficient for general accumulated precession in longitude
- */
- PlanetaryTerm(final int cMe, final int cVe, final int cE, final int cMa, final int cJu,
- final int cSa, final int cUr, final int cNe, final int cPa) {
- this.cMe = cMe;
- this.cVe = cVe;
- this.cE = cE;
- this.cMa = cMa;
- this.cJu = cJu;
- this.cSa = cSa;
- this.cUr = cUr;
- this.cNe = cNe;
- this.cPa = cPa;
- }
- /** {@inheritDoc} */
- protected double argument(final BodiesElements elements) {
- return cMe * elements.getLMe() + cVe * elements.getLVe() + cE * elements.getLE() +
- cMa * elements.getLMa() + cJu * elements.getLJu() +
- cSa * elements.getLSa() + cUr * elements.getLUr() +
- cNe * elements.getLNe() + cPa * elements.getPa();
- }
- /** {@inheritDoc} */
- protected T argument(final FieldBodiesElements<T> elements) {
- return elements.getLMe().multiply(cMe).
- add(elements.getLVe().multiply(cVe)).
- add(elements.getLE().multiply(cE)).
- add(elements.getLMa().multiply(cMa)).
- add(elements.getLJu().multiply(cJu)).
- add(elements.getLSa().multiply(cSa)).
- add(elements.getLUr().multiply(cUr)).
- add(elements.getLNe().multiply(cNe)).
- add(elements.getPa().multiply(cPa));
- }
- }