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1   // ******************************************************************************
2   //
3   // Title:       Force Field X.
4   // Description: Force Field X - Software for Molecular Biophysics.
5   // Copyright:   Copyright (c) Michael J. Schnieders 2001-2024.
6   //
7   // This file is part of Force Field X.
8   //
9   // Force Field X is free software; you can redistribute it and/or modify it
10  // under the terms of the GNU General Public License version 3 as published by
11  // the Free Software Foundation.
12  //
13  // Force Field X is distributed in the hope that it will be useful, but WITHOUT
14  // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15  // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16  // details.
17  //
18  // You should have received a copy of the GNU General Public License along with
19  // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple
20  // Place, Suite 330, Boston, MA 02111-1307 USA
21  //
22  // Linking this library statically or dynamically with other modules is making a
23  // combined work based on this library. Thus, the terms and conditions of the
24  // GNU General Public License cover the whole combination.
25  //
26  // As a special exception, the copyright holders of this library give you
27  // permission to link this library with independent modules to produce an
28  // executable, regardless of the license terms of these independent modules, and
29  // to copy and distribute the resulting executable under terms of your choice,
30  // provided that you also meet, for each linked independent module, the terms
31  // and conditions of the license of that module. An independent module is a
32  // module which is not derived from or based on this library. If you modify this
33  // library, you may extend this exception to your version of the library, but
34  // you are not obligated to do so. If you do not wish to do so, delete this
35  // exception statement from your version.
36  //
37  // ******************************************************************************
38  package ffx.algorithms.cli;
39  
40  import ffx.potential.MolecularAssembly;
41  import picocli.CommandLine.ArgGroup;
42  import picocli.CommandLine.Option;
43  
44  /**
45   * Represents command line options for scripts that create randomized unit cells.
46   *
47   * @author Michael J. Schnieders
48   * @author Jacob M. Litman
49   * @since 1.0
50   */
51  public class RandomUnitCellOptions {
52  
53    /**
54     * The ArgGroup keeps the Random SymOp Options together when printing help.
55     */
56    @ArgGroup(heading = "%n Random Unit Cell Options%n", validate = false)
57    private final RandomUnitCellOptionGroup group = new RandomUnitCellOptionGroup();
58  
59    /**
60     * Randomize the unit cell for a MolecularAssembly.
61     *
62     * @param assembly a {@link ffx.potential.MolecularAssembly} object.
63     */
64    public void randomize(MolecularAssembly assembly) {
65      if (group.randomSymOp >= 0) {
66        assembly.applyRandomSymOp(group.randomSymOp);
67      }
68      if (group.randomUnitCell > 0) {
69        assembly.applyRandomDensity(group.randomUnitCell);
70      }
71    }
72  
73    /**
74     * A random SymOp with translation range -X/2 .. X/2 (0 for random placement in the unit cell,
75     * negative for no SymOp).
76     *
77     * @return Returns the random SymOp translation.
78     */
79    public double getRandomSymOp() {
80      return group.randomSymOp;
81    }
82  
83    public void setRandomSymOp(double randomSymOp) {
84      group.randomSymOp = randomSymOp;
85    }
86  
87    /**
88     * Random unit cell parameters will be used achieve the specified density (g/cc) (no default
89     * density).
90     *
91     * @return Returns the density target for the random unit parameters.
92     */
93    public double getRandomUnitCell() {
94      return group.randomUnitCell;
95    }
96  
97    public void setRandomUnitCell(double randomUnitCell) {
98      group.randomUnitCell = randomUnitCell;
99    }
100 
101   /**
102    * Collection of Random Unit Cell Options.
103    */
104   private static class RandomUnitCellOptionGroup {
105 
106     /**
107      * --rsym or --randomSymOp Apply a random SymOp with translation range -X/2 .. X/2 (0 for random
108      * placement in the unit cell, negative for no SymOp).
109      */
110     @Option(names = {"--rsym", "--randomSymOp"}, paramLabel = "-1.0", defaultValue = "-1.0",
111         description = "Apply a random SymOp with translation range -X/2 .. X/2 (0 for random placement in the unit cell, negative for no SymOp)")
112     private double randomSymOp = -1.0;
113 
114     /**
115      * --ruc or --randomUnitCell Random unit cell parameters will be used achieve the specified
116      * density (g/cc) (no default density).
117      */
118     @Option(names = {"--ruc", "--randomUnitCell"}, paramLabel = "-1.0", defaultValue = "-1.0",
119         description = "Apply random unit cell parameters to achieve the specified density (g/cc).")
120     private double randomUnitCell = -1.0;
121   }
122 }