1   /* Copyright 2002-2022 CS GROUP
2    * Licensed to CS GROUP (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.utils;
18  
19  import org.hipparchus.util.FastMath;
20  import org.junit.After;
21  import org.junit.Assert;
22  import org.junit.Before;
23  import org.junit.Test;
24  
25  
26  public class ElevationMaskTest {
27  
28      @Before
29      public void setUp()
30          throws Exception {
31      }
32  
33      @After
34      public void tearDown()
35          throws Exception {
36      }
37  
38      @Test
39      public void testElevationMask() {
40          double [][] masqueData = {{FastMath.toRadians(  0), FastMath.toRadians(5)},
41                                    {FastMath.toRadians(180), FastMath.toRadians(3)},
42                                    {FastMath.toRadians(-90), FastMath.toRadians(4)}};
43  
44          ElevationMask mask = new ElevationMask(masqueData);
45  
46          Assert.assertNotNull(mask);
47      }
48  
49      @Test(expected=IllegalArgumentException.class)
50      public void testMaskException() {
51          double [][] masque = {{FastMath.toRadians(   0), FastMath.toRadians(5)},
52                                {FastMath.toRadians( 360), FastMath.toRadians(4)}};
53  
54          new ElevationMask(masque);
55      }
56  
57      @Test
58      public void testGetElevation() {
59          double [][] masqueData = {{FastMath.toRadians(  0), FastMath.toRadians(5)},
60                                {FastMath.toRadians(180), FastMath.toRadians(3)},
61                                {FastMath.toRadians(-90), FastMath.toRadians(4)}};
62          ElevationMask mask = new ElevationMask(masqueData);
63  
64          double azimuth = FastMath.toRadians(90);
65          double elevation = mask.getElevation(azimuth);
66          Assert.assertEquals(FastMath.toRadians(4), elevation, 1.0e-15);
67      }
68  
69  }