1   /* Copyright 2013-2019 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.rugged.refraction;
18  
19  /**
20   * Class that represents a constant refraction layer to be used with {@link MultiLayerModel}.
21   * @author Sergio Esteves
22   * @author Guylaine Prat
23   * @since 2.0
24   */
25  public class ConstantRefractionLayer {
26  
27      /** lowest altitude of this layer (m). */
28      private final Double lowestAltitude;
29  
30      /** refractive index of this layer. */
31      private final double refractiveIndex;
32  
33      /** Simple constructor.
34       * @param lowestAltitude lowest altitude of the layer (m)
35       * @param refractiveIndex refractive index of the layer
36       */
37      public ConstantRefractionLayer(final double lowestAltitude, final double refractiveIndex) {
38          this.lowestAltitude = lowestAltitude;
39          this.refractiveIndex = refractiveIndex;
40      }
41  
42      /**
43       * @return the lowest altitude of the layer (m)
44       */
45      public double getLowestAltitude() {
46          return lowestAltitude;
47      }
48  
49      /**
50       * @return the refractive index of the layer
51       */
52      public double getRefractiveIndex() {
53          return refractiveIndex;
54      }
55  }