ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/group/trunk/OOPSE-3.0/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

# Content
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 #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