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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, 9 months ago) by tim
File size: 5281 byte(s)
Log Message:
add Electrostatic AtomType Section Parser

File Contents

# User Rev Content
1 tim 1769 /*
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 tim 1770 for (int i = 0; i < dataPerLine; ++i) {
144 tim 1769 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