1   /* Copyright 2002-2018 CS Systèmes d'Information
2    * Licensed to CS Systèmes d'Information (CS) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * CS licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.orekit.orbits;
18  
19  /**
20   * Enumerate for true, eccentric and mean position angles.
21   * @see KeplerianOrbit
22   * @see CircularOrbit
23   * @see EquinoctialOrbit
24   * @author Luc Maisonobe
25   */
26  public enum PositionAngle {
27  
28      /** Mean angle. */
29      MEAN,
30  
31      /** Eccentric angle. */
32      ECCENTRIC,
33  
34      /** True angle. */
35      TRUE;
36  
37  }