ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/trunk/src/brains/ForceField.cpp
(Generate patch)

Comparing trunk/src/UseTheForce/ForceField.cpp (file contents):
Revision 206 by gezelter, Thu Nov 4 20:51:23 2004 UTC vs.
Revision 821 by chuckv, Wed Dec 28 21:42:43 2005 UTC

# Line 1 | Line 1
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. Acknowledgement of the program authors must be made in any
10 + *    publication of scientific results based in part on use of the
11 + *    program.  An acceptable form of acknowledgement is citation of
12 + *    the article in which the program was described (Matthew
13 + *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 + *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 + *    Parallel Simulation Engine for Molecular Dynamics,"
16 + *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 + *
18 + * 2. Redistributions of source code must retain the above copyright
19 + *    notice, this list of conditions and the following disclaimer.
20 + *
21 + * 3. Redistributions in binary form must reproduce the above copyright
22 + *    notice, this list of conditions and the following disclaimer in the
23 + *    documentation and/or other materials provided with the
24 + *    distribution.
25 + *
26 + * This software is provided "AS IS," without a warranty of any
27 + * kind. All express or implied conditions, representations and
28 + * warranties, including any implied warranty of merchantability,
29 + * fitness for a particular purpose or non-infringement, are hereby
30 + * excluded.  The University of Notre Dame and its licensors shall not
31 + * be liable for any damages suffered by licensee as a result of
32 + * using, modifying or distributing the software or its
33 + * derivatives. In no event will the University of Notre Dame or its
34 + * licensors be liable for any lost revenue, profit or data, or for
35 + * direct, indirect, special, consequential, incidental or punitive
36 + * damages, however caused and regardless of the theory of liability,
37 + * arising out of the use of or inability to use software, even if the
38 + * University of Notre Dame has been advised of the possibility of
39 + * such damages.
40 + */
41 +
42 + /**
43 + * @file ForceField.cpp
44 + * @author tlin
45 + * @date 11/04/2004
46 + * @time 22:51am
47 + * @version 1.0
48 + */
49 +  
50   #include "UseTheForce/ForceField.hpp"
51 + #include "utils/simError.h"
52 + #include "UseTheForce/DarkSide/atype_interface.h"
53 + #include "UseTheForce/DarkSide/fForceOptions_interface.h"
54 + namespace oopse {
55  
56 < AtomType* ForceField::getMatchingAtomType(const string &at) {
56 >  ForceField::ForceField() {
57 >    char* tempPath;
58 >    tempPath = getenv("FORCE_PARAM_PATH");
59  
60 <  map<string, AtomType*>::iterator iter;
61 <  
62 <  iter = atomTypeMap.find(at);
63 <  if (iter != atomTypeMap.end()) {
64 <    return iter->second;
65 <  } else {
11 <    return NULL;
60 >    if (tempPath == NULL) {
61 >      //convert a macro from compiler to a string in c++
62 >      STR_DEFINE(ffPath_, FRC_PATH );
63 >    } else {
64 >      ffPath_ = tempPath;
65 >    }
66    }
13 }
67  
15 BondType* ForceField::getMatchingBondType(const string &at1,
16                                          const string &at2) {
68  
69 <  map<pair<string,string>, BondType*>::iterator iter;
70 <  vector<BondType*> foundTypes;
69 >  ForceField::~ForceField() {
70 >    deleteAtypes();
71 >  }
72  
73 <  iter = bondTypeMap.find(pair<at1, at2>);
74 <  if (iter != bondTypeMap.end()) {
75 <    // exact match, so just return it
76 <    return iter->second;
77 <  }
73 >  AtomType* ForceField::getAtomType(const std::string &at) {
74 >    std::vector<std::string> keys;
75 >    keys.push_back(at);
76 >    return atomTypeCont_.find(keys);
77 >  }
78  
79 <  iter = bondTypeMap.find(pair<at2, at1>);
80 <  if (iter != bondTypeMap.end()) {
81 <    // exact match in reverse order, so just return it
82 <    return iter->second;
31 <  }
79 >  BondType* ForceField::getBondType(const std::string &at1, const std::string &at2) {
80 >    std::vector<std::string> keys;
81 >    keys.push_back(at1);
82 >    keys.push_back(at2);    
83  
84 <  iter = bondTypeMap.find(pair<at1, wildCardAtomTypeName>);
85 <  if (iter != bondTypeMap.end()) {
86 <    foundTypes.push_back(iter->second);
84 >    //try exact match first
85 >    BondType* bondType = bondTypeCont_.find(keys);
86 >    if (bondType) {
87 >      return bondType;
88 >    } else {
89 >      //if no exact match found, try wild card match
90 >      return bondTypeCont_.find(keys, wildCardAtomTypeName_);
91 >    }
92 >
93    }
94  
95 <  iter = bondTypeMap.find(pair<at2, wildCardAtomTypeName>);
96 <  if (iter != bondTypeMap.end()) {
97 <    foundTypes.push_back(iter->second);
95 >  BendType* ForceField::getBendType(const std::string &at1, const std::string &at2,
96 >                                    const std::string &at3) {
97 >    std::vector<std::string> keys;
98 >    keys.push_back(at1);
99 >    keys.push_back(at2);    
100 >    keys.push_back(at3);    
101 >
102 >    //try exact match first
103 >    BendType* bendType = bendTypeCont_.find(keys);
104 >    if (bendType) {
105 >      return bendType;
106 >    } else {
107 >      //if no exact match found, try wild card match
108 >      return bendTypeCont_.find(keys, wildCardAtomTypeName_);
109 >    }
110    }
111  
112 <  iter = bondTypeMap.find(pair<wildCardAtomTypeName, at1>);
113 <  if (iter != bondTypeMap.end()) {
114 <    foundTypes.push_back(iter->second);
112 >  TorsionType* ForceField::getTorsionType(const std::string &at1, const std::string &at2,
113 >                                          const std::string &at3, const std::string &at4) {
114 >    std::vector<std::string> keys;
115 >    keys.push_back(at1);
116 >    keys.push_back(at2);    
117 >    keys.push_back(at3);    
118 >    keys.push_back(at4);    
119 >
120 >    TorsionType* torsionType = torsionTypeCont_.find(keys);
121 >    if (torsionType) {
122 >      return torsionType;
123 >    } else {
124 >      //if no exact match found, try wild card match
125 >      return torsionTypeCont_.find(keys, wildCardAtomTypeName_);
126 >    }
127 >    
128 >    return torsionTypeCont_.find(keys, wildCardAtomTypeName_);
129 >
130    }
131  
132 <  iter = bondTypeMap.find(pair<wildCardAtomTypeName, at2>);
133 <  if (iter != bondTypeMap.end()) {
134 <    foundTypes.push_back(iter->second);
132 >  BondType* ForceField::getExactBondType(const std::string &at1, const std::string &at2){
133 >    std::vector<std::string> keys;
134 >    keys.push_back(at1);
135 >    keys.push_back(at2);    
136 >    return bondTypeCont_.find(keys);
137    }
52  
53  if (foundTypes.empty()) {
54    return NULL;
55  } else {
56    
138  
139 <
139 >  BendType* ForceField::getExactBendType(const std::string &at1, const std::string &at2,
140 >                                         const std::string &at3){
141 >    std::vector<std::string> keys;
142 >    keys.push_back(at1);
143 >    keys.push_back(at2);    
144 >    keys.push_back(at3);    
145 >    return bendTypeCont_.find(keys);
146 >  }
147  
148 +  TorsionType* ForceField::getExactTorsionType(const std::string &at1, const std::string &at2,
149 +                                               const std::string &at3, const std::string &at4){
150 +    std::vector<std::string> keys;
151 +    keys.push_back(at1);
152 +    keys.push_back(at2);    
153 +    keys.push_back(at3);    
154 +    keys.push_back(at4);  
155 +    return torsionTypeCont_.find(keys);
156 +  }
157 +  bool ForceField::addAtomType(const std::string &at, AtomType* atomType) {
158 +    std::vector<std::string> keys;
159 +    keys.push_back(at);
160 +    return atomTypeCont_.add(keys, atomType);
161 +  }
162  
163 +  bool ForceField::addBondType(const std::string &at1, const std::string &at2, BondType* bondType) {
164 +    std::vector<std::string> keys;
165 +    keys.push_back(at1);
166 +    keys.push_back(at2);    
167 +    return bondTypeCont_.add(keys, bondType);
168  
169 <  
169 >  }
170  
171 +  bool ForceField::addBendType(const std::string &at1, const std::string &at2,
172 +                               const std::string &at3, BendType* bendType) {
173 +    std::vector<std::string> keys;
174 +    keys.push_back(at1);
175 +    keys.push_back(at2);    
176 +    keys.push_back(at3);    
177 +    return bendTypeCont_.add(keys, bendType);
178 +  }
179  
180 < BendType* ForceField::getMatchingBendType(const string &at1, const string &at2,
181 <                                          const string &at3);
182 < TorsionType* ForceField::getMatchingTorsionType(const string &at1, const string &at2,
183 <                                                const string &at3, const string &at4);
180 >  bool ForceField::addTorsionType(const std::string &at1, const std::string &at2,
181 >                                  const std::string &at3, const std::string &at4, TorsionType* torsionType) {
182 >    std::vector<std::string> keys;
183 >    keys.push_back(at1);
184 >    keys.push_back(at2);    
185 >    keys.push_back(at3);    
186 >    keys.push_back(at4);    
187 >    return torsionTypeCont_.add(keys, torsionType);
188 >  }
189  
190 < double ForceField::getRcutForAtomType(AtomType* at);
190 >  double ForceField::getRcutFromAtomType(AtomType* at) {
191 >    /**@todo */
192 >    GenericData* data;
193 >    double rcut = 0.0;
194  
195 +    if (at->isLennardJones()) {
196 +      data = at->getPropertyByName("LennardJones");
197 +      if (data != NULL) {
198 +        LJParamGenericData* ljData = dynamic_cast<LJParamGenericData*>(data);
199  
200 < vector<vector<string> > generateWildcardSequence(const vector<string> atomTypes) {
201 <  
75 <   vector<vector<string> > results;
200 >        if (ljData != NULL) {
201 >          LJParam ljParam = ljData->getData();
202  
203 <  
203 >          //by default use 2.5*sigma as cutoff radius
204 >          rcut = 2.5 * ljParam.sigma;
205 >                
206 >        } else {
207 >          sprintf( painCave.errMsg,
208 >                   "Can not cast GenericData to LJParam\n");
209 >          painCave.severity = OOPSE_ERROR;
210 >          painCave.isFatal = 1;
211 >          simError();          
212 >        }            
213 >      } else {
214 >        sprintf( painCave.errMsg, "Can not find Parameters for LennardJones\n");
215 >        painCave.severity = OOPSE_ERROR;
216 >        painCave.isFatal = 1;
217 >        simError();          
218 >      }
219 >    }
220  
221 +    return rcut;    
222 +  }
223  
80   vector<vector< string> > getAllWildcardPermutations(const vector<string> myAts) {
81    
82     int nStrings;
83     vector<string> oneResult;
84     vector<vector<string> > allResults;
224  
225 <     nStrings = myAts.size();
225 >  ifstrstream* ForceField::openForceFieldFile(const std::string& filename) {
226 >    std::string forceFieldFilename(filename);
227 >    ifstrstream* ffStream = new ifstrstream();
228 >    
229 >    //try to open the force filed file in current directory first    
230 >    ffStream->open(forceFieldFilename.c_str());
231 >    if(!ffStream->is_open()){
232  
233 <     if (nStrings == 1) {
234 <       oneResult.push_back(wildcardCharacter);
235 <       allResults.push_back(oneResult);
236 <       return allResults;
237 <     } else {
238 <      
239 <       for (i=0; i < nStrings; i++) {
240 <         oneResult = myAts;
241 <         replace(oneResult.begin(), oneResult.end(),
233 >      forceFieldFilename = ffPath_ + "/" + forceFieldFilename;
234 >      ffStream->open( forceFieldFilename.c_str() );
235 >
236 >      //if current directory does not contain the force field file,
237 >      //try to open it in the path        
238 >      if(!ffStream->is_open()){
239 >
240 >        sprintf( painCave.errMsg,
241 >                 "Error opening the force field parameter file:\n"
242 >                 "\t%s\n"
243 >                 "\tHave you tried setting the FORCE_PARAM_PATH environment "
244 >                 "variable?\n",
245 >                 forceFieldFilename.c_str() );
246 >        painCave.severity = OOPSE_ERROR;
247 >        painCave.isFatal = 1;
248 >        simError();
249 >      }
250 >    }  
251 >
252 >    return ffStream;
253 >
254 >  }
255 >
256 >  void ForceField::setFortranForceOptions(){
257 >    ForceOptions theseFortranOptions;
258 >    forceFieldOptions_.makeFortranOptions(theseFortranOptions);
259 >    setfForceOptions(&theseFortranOptions);
260 >  }
261 > } //end namespace oopse

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines