1   /* Copyright 2022-2025 Thales Alenia Space
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.models.earth.troposphere.iturp834;
18  
19  import org.hipparchus.util.FastMath;
20  import org.junit.jupiter.api.Test;
21  import org.orekit.bodies.GeodeticPoint;
22  import org.orekit.models.earth.troposphere.TroposphericModelUtils;
23  import org.orekit.utils.Constants;
24  
25  public class SeasonalGridTest extends AbstractGridTest<SeasonalGrid> {
26  
27      @Test
28      @Override
29      public void testMetadata() {
30          doTestMetadata(new SeasonalGrid(TroposphericModelUtils.HECTO_PASCAL,
31                                          "pres_gd_a1.dat", "pres_gd_a2.dat", "pres_gd_a3.dat"),
32                         -90.0, 90.0, 121, -180.0, 180.0, 241);
33      }
34  
35      @Test
36      @Override
37      public void testMinMax() {
38          doTestMinMax(new SeasonalGrid(TroposphericModelUtils.HECTO_PASCAL,
39                                        "pres_gd_a1.dat", "pres_gd_a2.dat", "pres_gd_a3.dat"),
40                       50496.011, 104890.869, 1.0e-3);
41      }
42  
43      @Test
44      @Override
45      public void testValue() {
46          doTestValue(new SeasonalGrid(TroposphericModelUtils.HECTO_PASCAL,
47                                       "pres_gd_a1.dat", "pres_gd_a2.dat", "pres_gd_a3.dat"),
48                      new GeodeticPoint(FastMath.toRadians(47.71675), FastMath.toRadians(6.12264), 300.0),
49                      12.5 * Constants.JULIAN_DAY, 96983.019, 1.0e-3);
50      }
51  
52      @Test
53      @Override
54      public void testGradient() {
55          doTestGradient(new SeasonalGrid(TroposphericModelUtils.HECTO_PASCAL,
56                                          "pres_gd_a1.dat", "pres_gd_a2.dat", "pres_gd_a3.dat"),
57                         new GeodeticPoint(FastMath.toRadians(47.71675), FastMath.toRadians(6.12264), 300.0),
58                         12.5 * Constants.JULIAN_DAY, 1.0e-12, 1.1e-5);
59      }
60  
61  }