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root/group/trunk/OOPSE-2.0/src/io/ElectrostaticAtomTypesSectionParser.cpp
Revision: 1930
Committed: Wed Jan 12 22:41:40 2005 UTC (19 years, 5 months ago) by gezelter
File size: 7043 byte(s)
Log Message:
merging new_design branch into OOPSE-2.0

File Contents

# User Rev Content
1 gezelter 1930 /*
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     #include "io/ElectrostaticAtomTypesSectionParser.hpp"
43     #include "UseTheForce/ForceField.hpp"
44     #include "utils/NumericConstant.hpp"
45     namespace oopse {
46    
47     ElectrostaticAtomTypesSectionParser::ElectrostaticAtomTypesSectionParser() {
48     setSectionName("ElectrostaticAtomTypes");
49     }
50    
51     void ElectrostaticAtomTypesSectionParser::parseLine(ForceField& ff,const std::string& line, int lineNo){
52     StringTokenizer tokenizer(line);
53     int nTokens = tokenizer.countTokens();
54    
55     //in AtomTypeSection, a line at least contains 2 tokens
56     //atomTypeName and biggest rank
57     //for the time being, we only support up to quadrupole
58     // "name" must match the name in the AtomTypes section
59     // charge is given in units of electrons (1.61 x 10^-19 C)
60     // Directionality for dipoles and quadrupoles must be given because the body-fixed
61     // reference frame for directional atoms is determined by the *mass* distribution and
62     // not by the charge distribution.
63     // Dipoles are given in units of Debye
64     // Quadrupoles are given in units of
65     // name 0 charge
66     // name 1 charge |u| [theta phi psi]
67     // name 2 charge |u| Qxx Qyy Qzz [theta phi psi]
68    
69     if (nTokens < 2) {
70     std::cerr << "ElectrostaticAtomTypesSectionParser Error: Not enought Tokens at line " << lineNo << std::endl;
71     } else {
72    
73     std::string atomTypeName = tokenizer.nextToken();
74     int biggestRank = tokenizer.nextTokenAsInt();
75     nTokens -= 2;
76    
77     AtomType* atomType = ff.getAtomType(atomTypeName);
78     DirectionalAtomType* dAtomType;
79     if (atomType != NULL) {
80    
81     switch (biggestRank) {
82     case 0 :
83     parseCharge(tokenizer, atomType);
84     break;
85    
86     case 1 :
87    
88     dAtomType = dynamic_cast<DirectionalAtomType*>(atomType);
89     if (dAtomType == NULL) {
90     std::cerr << "ElectrostaticAtomTypesSectionParser Warning:" << std::endl;
91     }
92    
93     parseCharge(tokenizer, dAtomType);
94     parseDipole(tokenizer, dAtomType);
95     parseElectroBodyFrame(tokenizer, dAtomType);
96     break;
97    
98     case 2:
99    
100     dAtomType = dynamic_cast<DirectionalAtomType*>(atomType);
101     if (dAtomType == NULL) {
102     std::cerr << "ElectrostaticAtomTypesSectionParser Warning:" << std::endl;
103     }
104    
105     parseCharge(tokenizer, dAtomType);
106     parseDipole(tokenizer, dAtomType);
107     parseQuadruple(tokenizer, dAtomType);
108     parseElectroBodyFrame(tokenizer, dAtomType);
109     break;
110    
111     default :
112     break;
113    
114     }
115    
116     } else {
117     std::cerr << "ElectrostaticAtomTypesSectionParser Error: Can not find matched AtomType " << atomTypeName
118     << "at line " << lineNo << std::endl;
119     }
120    
121     }
122    
123    
124     }
125    
126    
127     void ElectrostaticAtomTypesSectionParser::parseCharge(StringTokenizer& tokenizer,
128     AtomType* atomType) {
129    
130     double charge = tokenizer.nextTokenAsDouble();
131    
132     if (fabs(charge) > NumericConstant::epsilon) {
133     atomType->addProperty(new DoubleGenericData("Charge", charge));
134     atomType->setCharge();
135     }
136     }
137     void ElectrostaticAtomTypesSectionParser::parseDipole(StringTokenizer& tokenizer,
138     DirectionalAtomType* dAtomType) {
139    
140     double dipole = tokenizer.nextTokenAsDouble();
141    
142     if (fabs(dipole) > NumericConstant::epsilon) {
143    
144     dAtomType->addProperty(new DoubleGenericData("Dipole", dipole));
145     dAtomType->setDipole();
146     }
147     }
148    
149     void ElectrostaticAtomTypesSectionParser::parseQuadruple(StringTokenizer& tokenizer,
150     DirectionalAtomType* dAtomType) {
151    
152     Vector3d Q;
153     Q[0] = tokenizer.nextTokenAsDouble();
154     Q[1] = tokenizer.nextTokenAsDouble();
155     Q[2] = tokenizer.nextTokenAsDouble();
156    
157     if (fabs(Q[0]) > NumericConstant::epsilon && fabs(Q[1]) > NumericConstant::epsilon
158     && fabs(Q[2]) > NumericConstant::epsilon) {
159    
160     dAtomType->addProperty(new Vector3dGenericData("Quadrupole", Q));
161     dAtomType->setQuadrupole();
162     }
163     }
164     void ElectrostaticAtomTypesSectionParser::parseElectroBodyFrame(StringTokenizer& tokenizer,
165     DirectionalAtomType* dAtomType) {
166    
167     double phi;
168     double theta;
169     double psi;
170    
171     if (tokenizer.countTokens() >=3 ) {
172     phi = tokenizer.nextTokenAsDouble()/180.0;
173     theta = tokenizer.nextTokenAsDouble()/180.0;
174     psi = tokenizer.nextTokenAsDouble()/180.0;
175     } else {
176     phi = 0.0;
177     theta = 0.0;
178     psi = 0.0;
179     }
180    
181     RotMat3x3d electroBodyFrame(phi, theta, psi);
182     dAtomType->setElectroBodyFrame(electroBodyFrame);
183    
184     }
185    
186     } //end namespace oopse
187    
188    
189