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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 2001-2025.
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.realspace.cli;
39  
40  import ffx.potential.MolecularAssembly;
41  import ffx.realspace.RealSpaceData;
42  import ffx.realspace.parsers.RealSpaceFile;
43  import ffx.xray.RefinementEnergy;
44  import ffx.xray.RefinementMinimize.RefinementMode;
45  import ffx.xray.cli.DataRefinementOptions;
46  import picocli.CommandLine.Option;
47  
48  import java.util.ArrayList;
49  import java.util.List;
50  import java.util.logging.Logger;
51  
52  /**
53   * Represents command line options for scripts that utilize a real-space density map.
54   *
55   * @author Michael J. Schnieders
56   * @author Soham Ali
57   * @since 1.0
58   */
59  public class RealSpaceOptions extends DataRefinementOptions {
60  
61    private static final Logger logger = Logger.getLogger(RealSpaceOptions.class.getName());
62  
63    /**
64     * The refinement mode to use.
65     */
66    public RefinementMode refinementMode = RefinementMode.COORDINATES;
67  
68    /**
69     * -X or --data Specify input data filename and weight applied to the data (wA).
70     */
71    @Option(names = {"-X", "--data"}, arity = "2",
72        description = "Specify input data filename and its weight (wA) (e.g. -X filename 1.0).")
73    String[] data = null;
74  
75    /**
76     * Process input to collect Real Space Files.
77     *
78     * @param filenames         Input filenames (first filename is ignored).
79     * @param molecularAssembly Currently open molecularAssembly.
80     * @return a list of Real Space File instances.
81     */
82    public List<RealSpaceFile> processData(List<String> filenames, MolecularAssembly molecularAssembly) {
83  
84      logger.info("\n");
85  
86      // set up real space map data (can be multiple files)
87      List<RealSpaceFile> mapfiles = new ArrayList<>();
88      if (filenames.size() > 1) {
89        RealSpaceFile realspacefile = new RealSpaceFile(filenames.get(1), wA);
90        mapfiles.add(realspacefile);
91      }
92      if (data != null) {
93        for (int i = 0; i < data.length; i += 2) {
94          double w = wA;
95          if (data.length > i + 1) {
96            try {
97              w = Double.parseDouble(data[i + 1]);
98            } catch (Exception e) {
99              //
100           }
101         }
102         RealSpaceFile realspacefile = new RealSpaceFile(data[i], w);
103         mapfiles.add(realspacefile);
104       }
105     }
106 
107     if (mapfiles.isEmpty()) {
108       RealSpaceFile realspacefile = new RealSpaceFile(molecularAssembly, wA);
109       mapfiles.add(realspacefile);
110     }
111 
112     return mapfiles;
113   }
114 
115   /**
116    * Process input from opened molecular assemblies to a RefinementEnergy
117    *
118    * @param filenames           All filenames included in the real-space data.
119    * @param molecularAssemblies Array of MolecularAssembly instances.
120    * @return An assembled RefinementEnergy with real-space energy.
121    */
122   public RefinementEnergy toRealSpaceEnergy(List<String> filenames, MolecularAssembly[] molecularAssemblies) {
123 
124     RealSpaceFile[] mapFiles = processData(filenames, molecularAssemblies[0]).toArray(new RealSpaceFile[0]);
125     RealSpaceData realspaceData = new RealSpaceData(molecularAssemblies, molecularAssemblies[0].getProperties(),
126         molecularAssemblies[0].getParallelTeam(), mapFiles);
127 
128     return new RefinementEnergy(realspaceData, RefinementMode.COORDINATES);
129   }
130 }