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root/group/branches/new_design/OOPSE-3.0/src/io/EAMAtomTypesSectionParser.cpp
Revision: 1770
Committed: Tue Nov 23 17:53:43 2004 UTC (19 years, 7 months ago) by tim
File size: 5281 byte(s)
Log Message:
add Electrostatic AtomType Section Parser

File Contents

# Content
1 /*
2 * Copyright (C) 2000-2004 Object Oriented Parallel Simulation Engine (OOPSE) project
3 *
4 * Contact: oopse@oopse.org
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1
9 * of the License, or (at your option) any later version.
10 * All we ask is that proper credit is given for our work, which includes
11 * - but is not limited to - adding the above copyright notice to the beginning
12 * of your source code files, and to any copyright notice that you may distribute
13 * with programs based on this work.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 */
25
26 #include "io/EAMAtomTypesSectionParser.hpp"
27
28 namespace oopse {
29
30 EAMAtomTypesSectionParser::EAMAtomTypesSectionParser() {
31 setSectionName("EAMAtomTypes");
32 }
33
34 void EAMAtomTypesSectionParser::parseLine(ForceField& ff,const std::string& line, int lineNo){
35 AtomType* atomType;
36 std::string atomTypeName;
37 double mass;
38 StringTokenizer tokenizer(line);
39
40 if (tokenizer.countTokens() >= 2) {
41 atomTypeName = tokenizer.nextToken();
42 std::string potentialParamFile = tokenizer.nextToken();
43
44 AtomType* atomType = ff.getAtomType(atomTypeName);
45 if (atomType != NULL) {
46 atomType->setEAM();
47 parseEAMParamFile(atomType, potentialParamFile, atomType->getIdent());
48 } else {
49
50 }
51
52 } else {
53 sprintf( painCave.errMsg,
54 "Not enough tokens when parsing EAM Force Field : %s\n"
55 "in line %d : %s\n",
56 filename.c_str(), lineNo, line);
57 painCave.severity = OOPSE_ERROR;
58 painCave.isFatal = 1;
59 simError();
60 }
61
62
63 }
64
65 void EAMAtomTypesSectionParser::parseEAMParamFile(AtomType* atomType,
66 const std::string& potentialParamFile, int ident) {
67
68 ifstrstream* ppfStream;
69 ppfStream = openForceFiledFile(potentialParamFile);
70 const int bufferSize = 65535;
71 char buffer[bufferSize];
72 std::string line;
73
74 //skip first line
75 ppfStream->getline(buffer, bufferSize);
76
77
78 //The Second line contains atomic number, atomic mass, a lattice constant and lattic type
79 int junk;
80 double mass;
81 double latticeConstant;
82 std::string lattice;
83 if (ppfStream->getline(buffer, bufferSize)) {
84 StringTokenizer tokenizer1(buffer);
85 ident = tokenizer1.nextTokenAsInt();
86
87 if (tokenizer1.countTokens() >= 4) {
88 junk = tokenizer1.nextTokenAsInt();
89 mass = tokenizer1.nextTokenAsDouble();
90 latticeConstant = tokenizer1.nextTokenAsDouble();
91 lattice = tokenizer1.nextToken();
92 }else {
93 std::cerr << "Not enought tokens" << std::endl;
94 }
95 } else {
96
97 }
98
99 // The third line is nrho, drho, nr, dr and rcut
100 EAMParam eamParam;
101 eamParam.latticeConstant = latticeConstant;
102
103 if (ppfStream->getline(buffer, bufferSize)) {
104 StringTokenizer tokenizer2(buffer);
105
106 if (tokenizer2.countTokens() >= 5){
107 eamParam.nrho = tokenizer2.nextTokenAsInt();
108 eamParam.drho = tokenizer2.nextTokenAsDouble();
109 eamParam.nr = tokenizer2.nextTokenAsInt();
110 eamParam.dr = tokenizer2.nextTokenAsDouble();
111 eamParam.rcut = tokenizer2.nextTokenAsDouble();
112 }else {
113 std::cerr << "Not enought tokens" << std::endl;
114 }
115 } else {
116
117 }
118
119 parseEAMArray(ppfStream, eamParam.rvals, eamParam.nr);
120 parseEAMArray(ppfStream, eamParam.rhovals, eamParam.nr);
121 parseEAMArray(ppfStream, eamParam.Frhovals, eamParam.nrho);
122
123 atomType->addProperty(EAMParamGenericData("EAM", eamParam));
124 }
125
126 void EAMAtomTypesSectionParser::parseEAMArray(ifstrstream* ppfStream,
127 std::vector<double>& array, int num) {
128
129 const int dataPerLine = 5;
130 if (num % dataPerLine != 0) {
131
132 }
133
134 const int bufferSize = 65535;
135 char buffer[bufferSize];
136 std::string line;
137 int readLines = num/dataPerLine;
138 int lineCount = 0;
139 while(ffStream.getline(buffer, bufferSize) && lineCount < num){
140
141 StringTokenizer tokenizer(buffer);
142 if (tokenizer.countTokens() >= dataPerLine) {
143 for (int i = 0; i < dataPerLine; ++i) {
144 array.push_back(tokenizer.nextTokenAsDouble()));
145 }
146 } else {
147
148 }
149 ++lineCount;
150 }
151
152 if (lineCount < num) {
153
154 }
155
156 }
157
158
159 } //end namespace oopse
160