1   /* Copyright 2022-2026 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.orbits;
18  
19  import org.hipparchus.geometry.euclidean.threed.Vector3D;
20  import org.orekit.utils.PVCoordinates;
21  import org.orekit.utils.drivers.ParameterDriversList.DelegatingDriver;
22  
23  import java.util.List;
24  
25  /** Factory for Cartesian orbits.
26   * @since 14.0
27   */
28  public class CartesianOrbitFactory extends AbstractOrbitFactory<CartesianOrbit> {
29  
30      /** Simple constructor.
31       * @param template template orbit
32       * @param positionScale position scale used to scale the orbital drivers
33       */
34      public CartesianOrbitFactory(final CartesianOrbit template, final double positionScale) {
35          super(positionScale, template, PositionAngleType.ECCENTRIC);
36      }
37  
38      /** {@inheritDoc} */
39      @Override
40      public CartesianOrbit createFromDrivers() {
41          final List<DelegatingDriver> drivers = getOrbitalParametersDrivers().getDrivers();
42          return new CartesianOrbit(new PVCoordinates(new Vector3D(drivers.get(0).getValue(),
43                                                                   drivers.get(1).getValue(),
44                                                                   drivers.get(2).getValue()),
45                                                      new Vector3D(drivers.get(3).getValue(),
46                                                                   drivers.get(4).getValue(),
47                                                                   drivers.get(5).getValue())),
48                                    getFrame(), getDate(), getMu());
49      }
50  
51  }