| 1 | /* | 
| 2 | * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
| 3 | * | 
| 4 | * The University of Notre Dame grants you ("Licensee") a | 
| 5 | * non-exclusive, royalty free, license to use, modify and | 
| 6 | * redistribute this software in source and binary code form, provided | 
| 7 | * that the following conditions are met: | 
| 8 | * | 
| 9 | * 1. Redistributions of source code must retain the above copyright | 
| 10 | *    notice, this list of conditions and the following disclaimer. | 
| 11 | * | 
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | *    notice, this list of conditions and the following disclaimer in the | 
| 14 | *    documentation and/or other materials provided with the | 
| 15 | *    distribution. | 
| 16 | * | 
| 17 | * This software is provided "AS IS," without a warranty of any | 
| 18 | * kind. All express or implied conditions, representations and | 
| 19 | * warranties, including any implied warranty of merchantability, | 
| 20 | * fitness for a particular purpose or non-infringement, are hereby | 
| 21 | * excluded.  The University of Notre Dame and its licensors shall not | 
| 22 | * be liable for any damages suffered by licensee as a result of | 
| 23 | * using, modifying or distributing the software or its | 
| 24 | * derivatives. In no event will the University of Notre Dame or its | 
| 25 | * licensors be liable for any lost revenue, profit or data, or for | 
| 26 | * direct, indirect, special, consequential, incidental or punitive | 
| 27 | * damages, however caused and regardless of the theory of liability, | 
| 28 | * arising out of the use of or inability to use software, even if the | 
| 29 | * University of Notre Dame has been advised of the possibility of | 
| 30 | * such damages. | 
| 31 | * | 
| 32 | * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
| 33 | * research, please cite the appropriate papers when you publish your | 
| 34 | * work.  Good starting points are: | 
| 35 | * | 
| 36 | * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). | 
| 37 | * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). | 
| 38 | * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008). | 
| 39 | * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 | * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | */ | 
| 42 |  | 
| 43 | /** | 
| 44 | * @file SimCreator.hpp | 
| 45 | * @author tlin | 
| 46 | * @date 11/02/2004 | 
| 47 | * @version 1.0 | 
| 48 | */ | 
| 49 |  | 
| 50 | #ifndef BRAINS_SIMCREATOR_HPP | 
| 51 | #define BRAINS_SIMCREATOR_HPP | 
| 52 |  | 
| 53 | #include <iostream> | 
| 54 | #include "primitives/Molecule.hpp" | 
| 55 | #include "brains/SimInfo.hpp" | 
| 56 | #include "io/Globals.hpp" | 
| 57 | #include "brains/ForceField.hpp" | 
| 58 |  | 
| 59 | namespace OpenMD { | 
| 60 |  | 
| 61 | /** | 
| 62 | * @class SimCreator SimCreator.hpp "brains/SimCreator.hpp" | 
| 63 | * | 
| 64 | * The only responsibility of SimCreator is to parse the meta-data | 
| 65 | * file and create a SimInfo instance based on the information | 
| 66 | * returned by parser. | 
| 67 | */ | 
| 68 | class SimCreator { | 
| 69 | public: | 
| 70 |  | 
| 71 | virtual ~SimCreator() {} | 
| 72 |  | 
| 73 | /** | 
| 74 | * Setup Simulation | 
| 75 | * @return a pointer to SimInfo | 
| 76 | * @param mdFileName the meta-data file name | 
| 77 | * @param loadInitCoords should the initial coordinates be loaded from a file? | 
| 78 | */ | 
| 79 | SimInfo* createSim(const std::string & mdFileName, bool loadInitCoords = true); | 
| 80 |  | 
| 81 | private: | 
| 82 |  | 
| 83 | /** | 
| 84 | * Parses the meta-data file | 
| 85 | * @param mdFileName the meta-data file name | 
| 86 | * @param rawMetaData the raw meta-data stream | 
| 87 | * @param mdFileVersion the version of code used to create the meta-data file | 
| 88 | * @param metaDataStartingLine the starting line of the meta-data block | 
| 89 | * @return a pointer to the simulation parameters in a #Globals object | 
| 90 | */ | 
| 91 | Globals*  parseFile(std::istream& rawMetaData, const std::string& mdFileName, int mdFileVersion, int metaDataStartingLine); | 
| 92 |  | 
| 93 |  | 
| 94 | /** create the molecules belong to current processor*/ | 
| 95 | virtual void createMolecules(SimInfo* info); | 
| 96 |  | 
| 97 | /** | 
| 98 | * Figure out the data storage layout based on what kinds of | 
| 99 | * objects are being simulated | 
| 100 | */ | 
| 101 | int computeStorageLayout(SimInfo* info); | 
| 102 |  | 
| 103 | /** | 
| 104 | * Sets the global index for atoms, rigidbodies and cutoff groups | 
| 105 | * and fill up globalGroupMembership and globalMolMembership | 
| 106 | * arrays which map atoms' global index to the global index of the | 
| 107 | * groups (or molecules) they belong to.  These array are never | 
| 108 | * changed during the simulation. | 
| 109 | */ | 
| 110 | void setGlobalIndex(SimInfo* info); | 
| 111 |  | 
| 112 | void gatherParameters(SimInfo *info, const std::string& mdfile); | 
| 113 |  | 
| 114 | /** | 
| 115 | * Divide the molecules among the processors | 
| 116 | */ | 
| 117 |  | 
| 118 | void divideMolecules(SimInfo* info); | 
| 119 |  | 
| 120 | /** Load initial coordinates */ | 
| 121 | void loadCoordinates(SimInfo* info, const std::string& mdFileName); | 
| 122 |  | 
| 123 | std::string mdFileName_;  //save the meta-data file name which may be used later | 
| 124 |  | 
| 125 | }; | 
| 126 |  | 
| 127 | } //end namespace OpenMD | 
| 128 | #endif //BRAINS_SIMCREATOR_HPP | 
| 129 |  |