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root/OpenMD/branches/development/src/io/DumpReader.cpp
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trunk/src/io/DumpReader.cpp (file contents), Revision 601 by tim, Thu Sep 15 19:17:04 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (file contents), Revision 1752 by gezelter, Sun Jun 10 14:05:02 2012 UTC

# Line 1 | Line 1
1   /*
2 < * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
2 > * Copyright (c) 2009 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
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
39 + * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
41
42 #define _LARGEFILE_SOURCE64
43 #define _FILE_OFFSET_BITS 64
44
45 #include <sys/types.h>
46 #include <sys/stat.h>
47
48 #include <iostream>
49 #include <math.h>
50
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54
55 #include "io/DumpReader.hpp"
56 #include "primitives/Molecule.hpp"
57 #include "utils/simError.h"
58 #include "utils/MemoryUtils.hpp"
59 #include "utils/StringTokenizer.hpp"
60
61 #ifdef IS_MPI
62
63 #include <mpi.h>
64 #define TAKE_THIS_TAG_CHAR 0
65 #define TAKE_THIS_TAG_INT 1
66
67 #endif // is_mpi
68
69
70 namespace oopse {
42    
43 <  DumpReader::DumpReader(SimInfo* info, const std::string& filename)
44 <    : info_(info), filename_(filename), isScanned_(false), nframes_(0) {
43 > #define _LARGEFILE_SOURCE64
44 > #define _FILE_OFFSET_BITS 64
45 >
46 > #include <sys/types.h>
47 > #include <sys/stat.h>
48 >
49 > #include <iostream>
50 > #include <math.h>
51 >
52 > #include <stdio.h>
53 > #include <stdlib.h>
54 > #include <string.h>
55 >
56 > #include "io/DumpReader.hpp"
57 > #include "primitives/Molecule.hpp"
58 > #include "utils/simError.h"
59 > #include "utils/MemoryUtils.hpp"
60 > #include "utils/StringTokenizer.hpp"
61 >
62 > #ifdef IS_MPI
63 >
64 > #include <mpi.h>
65 > #define TAKE_THIS_TAG_CHAR 0
66 > #define TAKE_THIS_TAG_INT 1
67 >
68 > #endif // is_mpi
69 >
70 >
71 > namespace OpenMD {
72 >  
73 >  DumpReader::DumpReader(SimInfo* info, const std::string& filename)
74 >    : info_(info), filename_(filename), isScanned_(false), nframes_(0), needCOMprops_(false) {
75      
76 < #ifdef IS_MPI
76 > #ifdef IS_MPI
77      
78 <      if (worldRank == 0) {
79 < #endif
78 >    if (worldRank == 0) {
79 > #endif
80        
81 <        inFile_ = fopen(filename_.c_str(), "r");
81 >      inFile_ = new std::ifstream(filename_.c_str());
82        
83 <        if (inFile_ == NULL) {
84 <          sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
85 <          painCave.isFatal = 1;
86 <          simError();
87 <        }
83 >      if (inFile_->fail()) {
84 >        sprintf(painCave.errMsg,
85 >                "DumpReader: Cannot open file: %s\n",
86 >                filename_.c_str());
87 >        painCave.isFatal = 1;
88 >        simError();
89 >      }
90        
91 < #ifdef IS_MPI
91 > #ifdef IS_MPI
92        
93 <      }
93 >    }
94      
95 <      strcpy(checkPointMsg, "Dump file opened for reading successfully.");
96 <      MPIcheckPoint();
95 >    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
96 >    errorCheckPoint();
97      
98 < #endif
98 > #endif
99      
100 <      return;
101 <    }
100 >    return;
101 >  }
102    
103 <  DumpReader::~DumpReader() {
103 >  DumpReader::~DumpReader() {
104      
105 < #ifdef IS_MPI
105 > #ifdef IS_MPI
106      
107 <    if (worldRank == 0) {
108 < #endif
107 >    if (worldRank == 0) {
108 > #endif
109        
110 <      int error;
108 <      error = fclose(inFile_);
110 >      delete inFile_;
111        
112 <      if (error) {
111 <        sprintf(painCave.errMsg, "DumpReader Error: Error closing %s\n", filename_.c_str());
112 <        painCave.isFatal = 1;            
113 <        simError();
114 <      }
112 > #ifdef IS_MPI
113        
114 <      MemoryUtils::deletePointers(framePos_);
117 <      
118 < #ifdef IS_MPI
119 <      
120 <    }
114 >    }
115      
116 <    strcpy(checkPointMsg, "Dump file closed successfully.");
117 <    MPIcheckPoint();
116 >    strcpy(checkPointMsg, "Dump file closed successfully.");
117 >    errorCheckPoint();
118      
119 < #endif
119 > #endif
120      
121 <    return;
122 <  }
121 >    return;
122 >  }
123    
124 <  int DumpReader::getNFrames(void) {
124 >  int DumpReader::getNFrames(void) {
125 >    
126 >    if (!isScanned_)
127 >      scanFile();
128 >    
129 >    return nframes_;
130 >  }
131 >  
132 >  void DumpReader::scanFile(void) {
133 >    int lineNo = 0;
134 >    std::streampos prevPos;
135 >    std::streampos  currPos;
136      
137 <    if (!isScanned_)
133 <      scanFile();
137 > #ifdef IS_MPI
138      
139 <    return nframes_;
140 <  }
137 <  
138 <  void DumpReader::scanFile(void) {
139 <    int i, j;
140 <    int lineNum = 0;
141 <    char readBuffer[maxBufferSize];
142 <    fpos_t * currPos;
143 <    
144 < #ifdef IS_MPI
145 <    
146 <    if (worldRank == 0) {
147 < #endif // is_mpi
139 >    if (worldRank == 0) {
140 > #endif // is_mpi
141        
142 <      rewind(inFile_);
143 <      
144 <      currPos = new fpos_t;
145 <      fgetpos(inFile_, currPos);
146 <      fgets(readBuffer, sizeof(readBuffer), inFile_);
147 <      lineNum++;
148 <      
156 <      if (feof(inFile_)) {
157 <        sprintf(painCave.errMsg,
158 <                "DumpReader Error: File \"%s\" ended unexpectedly at line %d\n",
159 <                filename_.c_str(),
160 <                lineNum);
161 <        painCave.isFatal = 1;
162 <        simError();
163 <      }
164 <      
165 <      while (!feof(inFile_)) {
166 <        framePos_.push_back(currPos);
142 >      currPos = inFile_->tellg();
143 >      prevPos = currPos;
144 >      bool foundOpenSnapshotTag = false;
145 >      bool foundClosedSnapshotTag = false;
146 >      bool foundOpenSiteDataTag = false;
147 >      while(inFile_->getline(buffer, bufferSize)) {
148 >        ++lineNo;
149          
150 <        i = atoi(readBuffer);
151 <        
152 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
153 <        lineNum++;
154 <        
155 <        if (feof(inFile_)) {
156 <          sprintf(painCave.errMsg,
157 <                  "DumpReader Error: File \"%s\" ended unexpectedly at line %d\n",
158 <                  filename_.c_str(),
159 <                  lineNum);
160 <          painCave.isFatal = 1;
161 <          simError();
162 <        }
181 <        
182 <        for(j = 0; j < i; j++) {
183 <          fgets(readBuffer, sizeof(readBuffer), inFile_);
184 <          lineNum++;
150 >        std::string line = buffer;
151 >        currPos = inFile_->tellg();
152 >        if (line.find("<Snapshot>")!= std::string::npos) {
153 >          if (foundOpenSnapshotTag) {
154 >            sprintf(painCave.errMsg,
155 >                    "DumpReader:<Snapshot> is multiply nested at line %d in %s \n", lineNo,
156 >                    filename_.c_str());
157 >            painCave.isFatal = 1;
158 >            simError();          
159 >          }
160 >          foundOpenSnapshotTag = true;
161 >          foundClosedSnapshotTag = false;
162 >          framePos_.push_back(prevPos);
163            
164 <          if (feof(inFile_)) {
165 <            sprintf(painCave.errMsg,
166 <                    "DumpReader Error: File \"%s\" ended unexpectedly at line %d,"
167 <                    " with atom %d\n", filename_.c_str(),
168 <                    lineNum,
169 <                    j);
170 <            
193 <            painCave.isFatal = 1;
194 <            simError();
164 >        } else if (line.find("</Snapshot>") != std::string::npos){
165 >          if (!foundOpenSnapshotTag) {
166 >            sprintf(painCave.errMsg,
167 >                    "DumpReader:</Snapshot> appears before <Snapshot> at line %d in %s \n", lineNo,
168 >                    filename_.c_str());
169 >            painCave.isFatal = 1;
170 >            simError();
171            }
172 +          
173 +          if (foundClosedSnapshotTag) {
174 +            sprintf(painCave.errMsg,
175 +                    "DumpReader:</Snapshot> appears multiply nested at line %d in %s \n", lineNo,
176 +                    filename_.c_str());
177 +            painCave.isFatal = 1;
178 +            simError();
179 +          }
180 +          foundClosedSnapshotTag = true;
181 +          foundOpenSnapshotTag = false;
182          }
183 <        
198 <        currPos = new fpos_t;
199 <        fgetpos(inFile_, currPos);
200 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
201 <        lineNum++;
183 >        prevPos = currPos;
184        }
185        
186 <      delete currPos;
187 <      rewind(inFile_);
186 >      // only found <Snapshot> for the last frame means the file is corrupted, we should discard
187 >      // it and give a warning message
188 >      if (foundOpenSnapshotTag) {
189 >        sprintf(painCave.errMsg,
190 >                "DumpReader: last frame in %s is invalid\n", filename_.c_str());
191 >        painCave.isFatal = 0;
192 >        simError();      
193 >        framePos_.pop_back();
194 >      }
195        
196 <      nframes_ = framePos_.size();
197 < #ifdef IS_MPI
198 <    }
196 >      nframes_ = framePos_.size();
197 >      
198 >      if (nframes_ == 0) {
199 >        sprintf(painCave.errMsg,
200 >                "DumpReader: %s does not contain a valid frame\n", filename_.c_str());
201 >        painCave.isFatal = 1;
202 >        simError();      
203 >      }
204 > #ifdef IS_MPI
205 >    }
206 >    
207 >    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
208      
209 <    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
209 > #endif // is_mpi
210      
211 <    strcpy(checkPointMsg, "Successfully scanned DumpFile\n");
212 <    MPIcheckPoint();
213 <    
214 < #endif // is_mpi
215 <    
216 <    isScanned_ = true;
217 <  }
218 <  
219 <  void DumpReader::readFrame(int whichFrame) {
220 <    if (!isScanned_)
221 <      scanFile();
222 <        
223 <    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
224 <    
225 <    if (storageLayout & DataStorage::dslPosition) {
226 <      needPos_ = true;
227 <    } else {
228 <      needPos_ = false;
211 >    isScanned_ = true;
212 >  }
213 >  
214 >  void DumpReader::readFrame(int whichFrame) {
215 >    if (!isScanned_)
216 >      scanFile();
217 >        
218 >    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
219 >    
220 >    if (storageLayout & DataStorage::dslPosition) {
221 >      needPos_ = true;
222 >    } else {
223 >      needPos_ = false;
224 >    }
225 >    
226 >    if (storageLayout & DataStorage::dslVelocity) {
227 >      needVel_ = true;
228 >    } else {
229 >      needVel_ = false;
230 >    }
231 >    
232 >    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
233 >      needQuaternion_ = true;
234 >    } else {
235 >      needQuaternion_ = false;
236 >    }
237 >    
238 >    if (storageLayout & DataStorage::dslAngularMomentum) {
239 >      needAngMom_ = true;
240 >    } else {
241 >      needAngMom_ = false;    
242 >    }
243 >    
244 >    readSet(whichFrame);
245 >
246 >    if (needCOMprops_) {
247 >      Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
248 >      Vector3d com;
249 >      Vector3d comvel;
250 >      Vector3d comw;
251 >      if (needPos_ && needVel_){
252 >        info_->getComAll(com, comvel);
253 >        comw = info_->getAngularMomentum();
254 >      }else{
255 >        com = info_->getCom();
256 >        comvel = 0.0;
257 >        comw   = 0.0;
258 >      }
259 >      s->setCOMprops(com, comvel, comw);      
260      }
261 <    
262 <    if (storageLayout & DataStorage::dslVelocity) {
263 <      needVel_ = true;
261 >
262 >  }
263 >  
264 >  void DumpReader::readSet(int whichFrame) {    
265 >    std::string line;
266 >
267 > #ifndef IS_MPI
268 >    inFile_->clear();  
269 >    inFile_->seekg(framePos_[whichFrame]);
270 >
271 >    std::istream& inputStream = *inFile_;    
272 >
273 > #else
274 >    int masterNode = 0;
275 >    std::stringstream sstream;
276 >    if (worldRank == masterNode) {
277 >      std::string sendBuffer;
278 >
279 >      inFile_->clear();  
280 >      inFile_->seekg(framePos_[whichFrame]);
281 >      
282 >      while (inFile_->getline(buffer, bufferSize)) {
283 >
284 >        line = buffer;
285 >        sendBuffer += line;
286 >        sendBuffer += '\n';
287 >        if (line.find("</Snapshot>") != std::string::npos) {
288 >          break;
289 >        }        
290 >      }
291 >
292 >      int sendBufferSize = sendBuffer.size();
293 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
294 >      MPI_Bcast((void *)sendBuffer.c_str(), sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
295 >      
296 >      sstream.str(sendBuffer);
297      } else {
298 <      needVel_ = false;
299 <    }
298 >      int sendBufferSize;
299 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
300 >      char * recvBuffer = new char[sendBufferSize+1];
301 >      assert(recvBuffer);
302 >      recvBuffer[sendBufferSize] = '\0';
303 >      MPI_Bcast(recvBuffer, sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
304 >      sstream.str(recvBuffer);
305 >      delete [] recvBuffer;
306 >    }      
307 >
308 >    std::istream& inputStream = sstream;  
309 > #endif
310 >
311 >    inputStream.getline(buffer, bufferSize);
312 >
313 >    line = buffer;
314 >    if (line.find("<Snapshot>") == std::string::npos) {
315 >      sprintf(painCave.errMsg,
316 >              "DumpReader Error: can not find <Snapshot>\n");
317 >      painCave.isFatal = 1;
318 >      simError();
319 >    }
320      
321 <    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
322 <      needQuaternion_ = true;
321 >    //read frameData
322 >    readFrameProperties(inputStream);
323 >
324 >    //read StuntDoubles
325 >    readStuntDoubles(inputStream);    
326 >
327 >    inputStream.getline(buffer, bufferSize);
328 >    line = buffer;
329 >
330 >    if (line.find("<SiteData>") != std::string::npos) {
331 >      //read SiteData
332 >      readSiteData(inputStream);        
333      } else {
334 <      needQuaternion_ = false;
334 >      if (line.find("</Snapshot>") == std::string::npos) {
335 >        sprintf(painCave.errMsg,
336 >                "DumpReader Error: can not find </Snapshot>\n");
337 >        painCave.isFatal = 1;
338 >        simError();
339 >      }        
340      }
341 <    
342 <    if (storageLayout & DataStorage::dslAngularMomentum) {
343 <      needAngMom_ = true;
344 <    } else {
345 <      needAngMom_ = false;    
341 >  }
342 >  
343 >  void DumpReader::parseDumpLine(const std::string& line) {
344 >
345 >      
346 >    StringTokenizer tokenizer(line);
347 >    int nTokens;
348 >    
349 >    nTokens = tokenizer.countTokens();
350 >    
351 >    if (nTokens < 2) {  
352 >      sprintf(painCave.errMsg,
353 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
354 >      painCave.isFatal = 1;
355 >      simError();
356 >    }
357 >
358 >    int index = tokenizer.nextTokenAsInt();
359 >
360 >    StuntDouble* integrableObject = info_->getIOIndexToIntegrableObject(index);
361 >
362 >    if (integrableObject == NULL) {
363 >      return;
364      }
365 +    std::string type = tokenizer.nextToken();
366 +    int size = type.size();
367 +
368 +    size_t found;
369      
370 <    readSet(whichFrame);
371 <  }
372 <  
373 <  void DumpReader::readSet(int whichFrame) {
374 <    int i;
375 <    int nTotObjs;                  // the number of atoms
376 <    char read_buffer[maxBufferSize];  //the line buffer for reading
377 <    char * eof_test;               // ptr to see when we reach the end of the file
378 <    
379 <    Molecule* mol;
261 <    StuntDouble* integrableObject;
262 <    SimInfo::MoleculeIterator mi;
263 <    Molecule::IntegrableObjectIterator ii;
264 <    
265 < #ifndef IS_MPI
266 <    
267 <    fsetpos(inFile_, framePos_[whichFrame]);
268 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
269 <    
270 <    if (eof_test == NULL) {
271 <      sprintf(painCave.errMsg,
272 <              "DumpReader error: error reading 1st line of \"%s\"\n",
273 <              filename_.c_str());
274 <      painCave.isFatal = 1;
275 <      simError();
370 >    if (needPos_) {
371 >      found = type.find("p");      
372 >      if (found == std::string::npos) {
373 >        sprintf(painCave.errMsg,
374 >                "DumpReader Error: StuntDouble %d has no Position\n"
375 >                "\tField (\"p\") specified.\n%s\n", index,
376 >                line.c_str());  
377 >        painCave.isFatal = 1;
378 >        simError();
379 >      }
380      }
381      
382 <    nTotObjs = atoi(read_buffer);
383 <    
384 <    if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
385 <      sprintf(painCave.errMsg,
386 <              "DumpReader error. %s nIntegrable, %d, "
387 <              "does not match the meta-data file's nIntegrable, %d.\n",
388 <              filename_.c_str(),
389 <              nTotObjs,
390 <              info_->getNGlobalIntegrableObjects());
391 <      
392 <      painCave.isFatal = 1;
393 <      simError();
382 >    if (integrableObject->isDirectional()) {
383 >      if (needQuaternion_) {
384 >        found = type.find("q");      
385 >        if (found == std::string::npos) {
386 >          sprintf(painCave.errMsg,
387 >                  "DumpReader Error: Directional StuntDouble %d has no\n"
388 >                  "\tQuaternion Field (\"q\") specified.\n%s\n", index,
389 >                  line.c_str());  
390 >          painCave.isFatal = 1;
391 >          simError();
392 >        }
393 >      }      
394      }
395 <    
396 <    //read the box mat from the comment line
397 <    
294 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
295 <    
296 <    if (eof_test == NULL) {
297 <      sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
298 <              filename_.c_str());
299 <      painCave.isFatal = 1;
300 <      simError();
301 <    }
302 <    
303 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
304 <    
305 <    //parse dump lines
306 <    
307 <    i = 0;
308 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
309 <      
310 <      for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
311 <           integrableObject = mol->nextIntegrableObject(ii)) {          
395 >
396 >    for(int i = 0; i < size; ++i) {
397 >      switch(type[i]) {
398          
399 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
400 <        
401 <        if (eof_test == NULL) {
402 <          sprintf(painCave.errMsg,
403 <                  "DumpReader Error: error in reading file %s\n"
404 <                  "natoms  = %d; index = %d\n"
405 <                  "error reading the line from the file.\n",
406 <                  filename_.c_str(),
407 <                  nTotObjs,
322 <                  i);
323 <          
324 <          painCave.isFatal = 1;
325 <          simError();
399 >        case 'p': {
400 >            Vector3d pos;
401 >            pos[0] = tokenizer.nextTokenAsDouble();
402 >            pos[1] = tokenizer.nextTokenAsDouble();
403 >            pos[2] = tokenizer.nextTokenAsDouble();
404 >            if (needPos_) {
405 >              integrableObject->setPos(pos);
406 >            }            
407 >            break;
408          }
409 <        
410 <        parseDumpLine(read_buffer, integrableObject);
411 <        i++;
409 >        case 'v' : {
410 >            Vector3d vel;
411 >            vel[0] = tokenizer.nextTokenAsDouble();
412 >            vel[1] = tokenizer.nextTokenAsDouble();
413 >            vel[2] = tokenizer.nextTokenAsDouble();
414 >            if (needVel_) {
415 >              integrableObject->setVel(vel);
416 >            }
417 >            break;
418 >        }
419 >
420 >        case 'q' : {
421 >           Quat4d q;
422 >           if (integrableObject->isDirectional()) {
423 >              
424 >             q[0] = tokenizer.nextTokenAsDouble();
425 >             q[1] = tokenizer.nextTokenAsDouble();
426 >             q[2] = tokenizer.nextTokenAsDouble();
427 >             q[3] = tokenizer.nextTokenAsDouble();
428 >              
429 >             RealType qlen = q.length();
430 >             if (qlen < OpenMD::epsilon) { //check quaternion is not equal to 0
431 >                
432 >               sprintf(painCave.errMsg,
433 >                       "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2) ~ 0\n");
434 >               painCave.isFatal = 1;
435 >               simError();
436 >                
437 >             }  
438 >              
439 >             q.normalize();
440 >             if (needQuaternion_) {            
441 >               integrableObject->setQ(q);
442 >             }              
443 >           }            
444 >           break;
445 >        }  
446 >        case 'j' : {
447 >          Vector3d ji;
448 >          if (integrableObject->isDirectional()) {
449 >             ji[0] = tokenizer.nextTokenAsDouble();
450 >             ji[1] = tokenizer.nextTokenAsDouble();
451 >             ji[2] = tokenizer.nextTokenAsDouble();
452 >             if (needAngMom_) {
453 >               integrableObject->setJ(ji);
454 >             }
455 >          }
456 >          break;
457 >        }  
458 >        case 'f': {
459 >
460 >          Vector3d force;
461 >          force[0] = tokenizer.nextTokenAsDouble();
462 >          force[1] = tokenizer.nextTokenAsDouble();
463 >          force[2] = tokenizer.nextTokenAsDouble();          
464 >          integrableObject->setFrc(force);
465 >          break;
466 >        }
467 >        case 't' : {
468 >
469 >           Vector3d torque;
470 >           torque[0] = tokenizer.nextTokenAsDouble();
471 >           torque[1] = tokenizer.nextTokenAsDouble();
472 >           torque[2] = tokenizer.nextTokenAsDouble();          
473 >           integrableObject->setTrq(torque);          
474 >           break;
475 >        }
476 >        case 'u' : {
477 >
478 >           RealType particlePot;
479 >           particlePot = tokenizer.nextTokenAsDouble();
480 >           integrableObject->setParticlePot(particlePot);          
481 >           break;
482 >        }
483 >        case 'c' : {
484 >
485 >           RealType flucQPos;
486 >           flucQPos = tokenizer.nextTokenAsDouble();
487 >           integrableObject->setFlucQPos(flucQPos);          
488 >           break;
489 >        }
490 >        case 'w' : {
491 >
492 >           RealType flucQVel;
493 >           flucQVel = tokenizer.nextTokenAsDouble();
494 >           integrableObject->setFlucQVel(flucQVel);          
495 >           break;
496 >        }
497 >        case 'g' : {
498 >
499 >           RealType flucQFrc;
500 >           flucQFrc = tokenizer.nextTokenAsDouble();
501 >           integrableObject->setFlucQFrc(flucQFrc);          
502 >           break;
503 >        }
504 >        case 'e' : {
505 >
506 >           Vector3d eField;
507 >           eField[0] = tokenizer.nextTokenAsDouble();
508 >           eField[1] = tokenizer.nextTokenAsDouble();
509 >           eField[2] = tokenizer.nextTokenAsDouble();          
510 >           integrableObject->setElectricField(eField);          
511 >           break;
512 >        }
513 >        default: {
514 >               sprintf(painCave.errMsg,
515 >                       "DumpReader Error: %s is an unrecognized type\n", type.c_str());
516 >               painCave.isFatal = 1;
517 >               simError();
518 >          break;  
519 >        }
520 >
521        }
522      }
523 +    
524 +  }
525 +  
526 +
527 +  void DumpReader::parseSiteLine(const std::string& line) {
528 +
529 +    StringTokenizer tokenizer(line);
530 +    int nTokens;
531 +    
532 +    nTokens = tokenizer.countTokens();
533 +    
534 +    if (nTokens < 2) {  
535 +      sprintf(painCave.errMsg,
536 +              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
537 +      painCave.isFatal = 1;
538 +      simError();
539 +    }
540 +
541 +    /**
542 +     * The first token is the global integrable object index.
543 +     */
544 +
545 +    int index = tokenizer.nextTokenAsInt();
546 +    StuntDouble* integrableObject = info_->getIOIndexToIntegrableObject(index);
547 +    if (integrableObject == NULL) {
548 +      return;
549 +    }
550 +    StuntDouble* sd = integrableObject;
551 +
552 +    /**
553 +     * Test to see if the next token is an integer or not.  If not,
554 +     * we've got data on the integrable object itself.  If there is an
555 +     * integer, we're parsing data for a site on a rigid body.
556 +     */
557 +
558 +    std::string indexTest = tokenizer.peekNextToken();
559 +    std::istringstream i(indexTest);
560 +    int siteIndex;
561 +    if (i >> siteIndex) {
562 +      // chew up this token and parse as an int:
563 +      siteIndex = tokenizer.nextTokenAsInt();
564 +      RigidBody* rb = static_cast<RigidBody*>(integrableObject);
565 +      sd = rb->getAtoms()[siteIndex];
566 +    }
567 +
568 +    /**
569 +     * The next token contains information on what follows.
570 +     */
571 +    std::string type = tokenizer.nextToken();
572 +    int size = type.size();
573      
574 <    // MPI Section of code..........
575 <    
576 < #else //IS_MPI
577 <    
578 <    // first thing first, suspend fatalities.
579 <    int masterNode = 0;
580 <    int nCurObj;
581 <    painCave.isEventLoop = 1;
582 <    
342 <    int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone
343 <    int haveError;
344 <    
345 <    MPI_Status istatus;
346 <    int nitems;
347 <    
348 <    nTotObjs = info_->getNGlobalIntegrableObjects();
349 <    haveError = 0;
350 <    
351 <    if (worldRank == masterNode) {
352 <      fsetpos(inFile_, framePos_[whichFrame]);
353 <      
354 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
355 <      
356 <      if (eof_test == NULL) {
357 <        sprintf(painCave.errMsg, "DumpReader Error: Error reading 1st line of %s \n ",
358 <                filename_.c_str());
359 <        painCave.isFatal = 1;
360 <        simError();
574 >    for(int i = 0; i < size; ++i) {
575 >      switch(type[i]) {
576 >        
577 >      case 'u' : {
578 >        
579 >        RealType particlePot;
580 >        particlePot = tokenizer.nextTokenAsDouble();
581 >        sd->setParticlePot(particlePot);
582 >        break;
583        }
584 <      
363 <      nitems = atoi(read_buffer);
364 <      
365 <      // Check to see that the number of integrable objects in the
366 <      // intial configuration file is the same as derived from the
367 <      // meta-data file.
368 <      
369 <      if (nTotObjs != nitems) {
370 <        sprintf(painCave.errMsg,
371 <                "DumpReader Error. %s nIntegrable, %d, "
372 <                "does not match the meta-data file's nIntegrable, %d.\n",
373 <                filename_.c_str(),
374 <                nTotObjs,
375 <                info_->getNGlobalIntegrableObjects());
584 >      case 'c' : {
585          
586 <        painCave.isFatal = 1;
587 <        simError();
586 >        RealType flucQPos;
587 >        flucQPos = tokenizer.nextTokenAsDouble();
588 >        sd->setFlucQPos(flucQPos);
589 >        break;
590        }
591 <      
592 <      //read the boxMat from the comment line
593 <      
594 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
595 <      
596 <      if (eof_test == NULL) {
386 <        sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
387 <                filename_.c_str());
388 <        painCave.isFatal = 1;
389 <        simError();
591 >      case 'w' : {
592 >        
593 >        RealType flucQVel;
594 >        flucQVel = tokenizer.nextTokenAsDouble();
595 >        sd->setFlucQVel(flucQVel);
596 >        break;
597        }
598 <      
392 <      //Every single processor will parse the comment line by itself
393 <      //By using this way, we might lose some efficiency, but if we want to add
394 <      //more parameters into comment line, we only need to modify function
395 <      //parseCommentLine
396 <      
397 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
398 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
399 <      
400 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
401 <        int which_node = info_->getMolToProc(i);
598 >      case 'g' : {
599          
600 <        if (which_node == masterNode) {
601 <          //molecules belong to master node
602 <          
603 <          mol = info_->getMoleculeByGlobalIndex(i);
407 <          
408 <          if (mol == NULL) {
409 <            sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
410 <            painCave.isFatal = 1;
411 <            simError();
412 <          }
413 <          
414 <          for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
415 <               integrableObject = mol->nextIntegrableObject(ii)){
416 <            
417 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
418 <            
419 <            if (eof_test == NULL) {
420 <              sprintf(painCave.errMsg,
421 <                      "DumpReader Error: error in reading file %s\n"
422 <                      "natoms  = %d; index = %d\n"
423 <                      "error reading the line from the file.\n",
424 <                      filename_.c_str(),
425 <                      nTotObjs,
426 <                      i);
427 <              
428 <              painCave.isFatal = 1;
429 <              simError();
430 <            }
431 <            
432 <            parseDumpLine(read_buffer, integrableObject);
433 <          }
434 <        } else {
435 <          //molecule belongs to slave nodes
436 <          
437 <          MPI_Recv(&nCurObj, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT,
438 <                   MPI_COMM_WORLD, &istatus);
439 <          
440 <          for(int j = 0; j < nCurObj; j++) {
441 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
442 <            
443 <            if (eof_test == NULL) {
444 <              sprintf(painCave.errMsg,
445 <                      "DumpReader Error: error in reading file %s\n"
446 <                      "natoms  = %d; index = %d\n"
447 <                      "error reading the line from the file.\n",
448 <                      filename_.c_str(),
449 <                      nTotObjs,
450 <                      i);
451 <              
452 <              painCave.isFatal = 1;
453 <              simError();
454 <            }
455 <            
456 <            MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node,
457 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD);
458 <          }
459 <        }
600 >        RealType flucQFrc;
601 >        flucQFrc = tokenizer.nextTokenAsDouble();
602 >        sd->setFlucQFrc(flucQFrc);
603 >        break;
604        }
605 <    } else {
462 <      //actions taken at slave nodes
463 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
464 <      
465 <      /**@todo*/
466 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
467 <      
468 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
469 <        int which_node = info_->getMolToProc(i);
605 >      case 'e' : {
606          
607 <        if (which_node == worldRank) {
608 <          //molecule with global index i belongs to this processor
609 <          
610 <          mol = info_->getMoleculeByGlobalIndex(i);
611 <          if (mol == NULL) {
612 <            sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
477 <            painCave.isFatal = 1;
478 <            simError();
479 <          }
480 <          
481 <          nCurObj = mol->getNIntegrableObjects();
482 <          
483 <          MPI_Send(&nCurObj, 1, MPI_INT, masterNode, TAKE_THIS_TAG_INT,
484 <                   MPI_COMM_WORLD);
485 <          
486 <          for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
487 <               integrableObject = mol->nextIntegrableObject(ii)){
488 <            
489 <            MPI_Recv(read_buffer, maxBufferSize, MPI_CHAR, masterNode,
490 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus);
491 <            
492 <            parseDumpLine(read_buffer, integrableObject);
493 <          }
494 <          
495 <        }
496 <        
607 >        Vector3d eField;
608 >        eField[0] = tokenizer.nextTokenAsDouble();
609 >        eField[1] = tokenizer.nextTokenAsDouble();
610 >        eField[2] = tokenizer.nextTokenAsDouble();  
611 >        sd->setElectricField(eField);          
612 >        break;
613        }
614 <      
615 <    }
616 <    
617 < #endif
618 <    
619 <  }
614 >      default: {
615 >        sprintf(painCave.errMsg,
616 >                "DumpReader Error: %s is an unrecognized type\n", type.c_str());
617 >        painCave.isFatal = 1;
618 >        simError();
619 >        break;  
620 >      }
621 >      }
622 >    }    
623 >  }
624    
625 <  void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) {
625 >  
626 >  void  DumpReader::readStuntDoubles(std::istream& inputStream) {
627      
628 <    Vector3d pos;  // position place holders
629 <    Vector3d vel;  // velocity placeholders
509 <    Quat4d q;    // the quaternions
510 <    Vector3d ji;   // angular velocity placeholders;
511 <    StringTokenizer tokenizer(line);
512 <    int nTokens;
628 >    inputStream.getline(buffer, bufferSize);
629 >    std::string line(buffer);
630      
631 <    nTokens = tokenizer.countTokens();
632 <    
633 <    if (nTokens < 14) {
634 <      sprintf(painCave.errMsg,
635 <              "DumpReader Error: Not enough Tokens.\n%s\n", line);
519 <      painCave.isFatal = 1;
520 <      simError();
631 >    if (line.find("<StuntDoubles>") == std::string::npos) {
632 >      sprintf(painCave.errMsg,
633 >              "DumpReader Error: Missing <StuntDoubles>\n");
634 >      painCave.isFatal = 1;
635 >      simError();
636      }
637 <    
638 <    std::string name = tokenizer.nextToken();
639 <    
525 <    if (name != integrableObject->getType()) {
637 >
638 >    while(inputStream.getline(buffer, bufferSize)) {
639 >      line = buffer;
640        
641 <      sprintf(painCave.errMsg,
642 <              "DumpReader Error: Atom type [%s] in %s does not match Atom Type [%s] in .md file.\n",
643 <              name.c_str(), filename_.c_str(), integrableObject->getType().c_str());
644 <      painCave.isFatal = 1;
645 <      simError();        
641 >      if(line.find("</StuntDoubles>") != std::string::npos) {
642 >        break;
643 >      }
644 >
645 >      parseDumpLine(line);
646      }
647 +  
648 +  }
649 +
650 +  void  DumpReader::readSiteData(std::istream& inputStream) {
651 +
652 +    inputStream.getline(buffer, bufferSize);
653 +    std::string line(buffer);
654      
655 <    pos[0] = tokenizer.nextTokenAsDouble();
656 <    pos[1] = tokenizer.nextTokenAsDouble();
657 <    pos[2] = tokenizer.nextTokenAsDouble();
537 <    if (needPos_) {
538 <      integrableObject->setPos(pos);
655 >    if (line.find("<SiteData>") == std::string::npos) {
656 >      // site data isn't required for a simulation, so skip
657 >      return;
658      }
659 <    
660 <    vel[0] = tokenizer.nextTokenAsDouble();
661 <    vel[1] = tokenizer.nextTokenAsDouble();
543 <    vel[2] = tokenizer.nextTokenAsDouble();
544 <    if (needVel_) {
545 <      integrableObject->setVel(vel);
546 <    }
547 <    
548 <    if (integrableObject->isDirectional()) {
659 >
660 >    while(inputStream.getline(buffer, bufferSize)) {
661 >      line = buffer;
662        
663 <      q[0] = tokenizer.nextTokenAsDouble();
664 <      q[1] = tokenizer.nextTokenAsDouble();
552 <      q[2] = tokenizer.nextTokenAsDouble();
553 <      q[3] = tokenizer.nextTokenAsDouble();
554 <      
555 <      double qlen = q.length();
556 <      if (qlen < oopse::epsilon) { //check quaternion is not equal to 0
557 <        
558 <        sprintf(painCave.errMsg,
559 <                "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2 ~ 0).\n");
560 <        painCave.isFatal = 1;
561 <        simError();
562 <        
563 <      }
564 <      
565 <      q.normalize();
566 <      if (needQuaternion_) {          
567 <        integrableObject->setQ(q);
663 >      if(line.find("</SiteData>") != std::string::npos) {
664 >        break;
665        }
666 <      
667 <      ji[0] = tokenizer.nextTokenAsDouble();
571 <      ji[1] = tokenizer.nextTokenAsDouble();
572 <      ji[2] = tokenizer.nextTokenAsDouble();
573 <      if (needAngMom_) {
574 <        integrableObject->setJ(ji);
575 <      }
666 >
667 >      parseSiteLine(line);
668      }
577    
578  }
669    
670 <  
671 <  void DumpReader::parseCommentLine(char* line, Snapshot* s) {
672 <    double currTime;
673 <    Mat3x3d hmat;
674 <    double chi;
675 <    double integralOfChiDt;
676 <    Mat3x3d eta;
677 <    
678 <    StringTokenizer tokenizer(line);
679 <    int nTokens;
680 <    
681 <    nTokens = tokenizer.countTokens();
682 <    
593 <    //comment line should at least contain 10 tokens: current time(1 token) and  h-matrix(9 tokens)
594 <    if (nTokens < 10) {
595 <      sprintf(painCave.errMsg,
596 <              "DumpReader Error: Not enough tokens in comment line: %s", line);
597 <      painCave.isFatal = 1;
598 <      simError();  
670 >  }
671 >
672 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
673 >
674 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
675 >    inputStream.getline(buffer, bufferSize);
676 >    std::string line(buffer);
677 >
678 >    if (line.find("<FrameData>") == std::string::npos) {
679 >      sprintf(painCave.errMsg,
680 >              "DumpReader Error: Missing <FrameData>\n");
681 >      painCave.isFatal = 1;
682 >      simError();
683      }
684 <    
685 <    //read current time
686 <    currTime = tokenizer.nextTokenAsDouble();
603 <    s->setTime(currTime);
604 <    
605 <    //read h-matrix
606 <    hmat(0, 0) = tokenizer.nextTokenAsDouble();
607 <    hmat(0, 1) = tokenizer.nextTokenAsDouble();
608 <    hmat(0, 2) = tokenizer.nextTokenAsDouble();
609 <    hmat(1, 0) = tokenizer.nextTokenAsDouble();
610 <    hmat(1, 1) = tokenizer.nextTokenAsDouble();
611 <    hmat(1, 2) = tokenizer.nextTokenAsDouble();
612 <    hmat(2, 0) = tokenizer.nextTokenAsDouble();
613 <    hmat(2, 1) = tokenizer.nextTokenAsDouble();
614 <    hmat(2, 2) = tokenizer.nextTokenAsDouble();
615 <    s->setHmat(hmat);
616 <    
617 <    //read chi and integralOfChidt, they should apprear in pair
618 <    if (tokenizer.countTokens() >= 2) {
619 <      chi = tokenizer.nextTokenAsDouble();
620 <      integralOfChiDt = tokenizer.nextTokenAsDouble();            
684 >
685 >    while(inputStream.getline(buffer, bufferSize)) {
686 >      line = buffer;
687        
688 <      s->setChi(chi);
689 <      s->setIntegralOfChiDt(integralOfChiDt);
690 <    }
625 <    
626 <    //read eta (eta is 3x3 matrix)
627 <    if (tokenizer.countTokens() >= 9) {
628 <      eta(0, 0) = tokenizer.nextTokenAsDouble();
629 <      eta(0, 1) = tokenizer.nextTokenAsDouble();
630 <      eta(0, 2) = tokenizer.nextTokenAsDouble();
631 <      eta(1, 0) = tokenizer.nextTokenAsDouble();
632 <      eta(1, 1) = tokenizer.nextTokenAsDouble();
633 <      eta(1, 2) = tokenizer.nextTokenAsDouble();
634 <      eta(2, 0) = tokenizer.nextTokenAsDouble();
635 <      eta(2, 1) = tokenizer.nextTokenAsDouble();
636 <      eta(2, 2) = tokenizer.nextTokenAsDouble();      
688 >      if(line.find("</FrameData>") != std::string::npos) {
689 >        break;
690 >      }
691        
692 <      s->setEta(eta);
692 >      StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
693 >      if (!tokenizer.hasMoreTokens()) {
694 >        sprintf(painCave.errMsg,
695 >                "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
696 >        painCave.isFatal = 1;
697 >        simError();      
698 >      }
699 >
700 >      std::string propertyName = tokenizer.nextToken();
701 >      if (propertyName == "Time") {
702 >        RealType currTime = tokenizer.nextTokenAsDouble();
703 >        s->setTime(currTime);
704 >      } else if (propertyName == "Hmat"){
705 >        Mat3x3d hmat;
706 >        hmat(0, 0) = tokenizer.nextTokenAsDouble();
707 >        hmat(0, 1) = tokenizer.nextTokenAsDouble();
708 >        hmat(0, 2) = tokenizer.nextTokenAsDouble();
709 >        hmat(1, 0) = tokenizer.nextTokenAsDouble();
710 >        hmat(1, 1) = tokenizer.nextTokenAsDouble();
711 >        hmat(1, 2) = tokenizer.nextTokenAsDouble();
712 >        hmat(2, 0) = tokenizer.nextTokenAsDouble();
713 >        hmat(2, 1) = tokenizer.nextTokenAsDouble();
714 >        hmat(2, 2) = tokenizer.nextTokenAsDouble();
715 >        s->setHmat(hmat);      
716 >      } else if (propertyName == "Thermostat") {
717 >        RealType chi = tokenizer.nextTokenAsDouble();
718 >        RealType integralOfChiDt = tokenizer.nextTokenAsDouble();
719 >        s->setChi(chi);
720 >        s->setIntegralOfChiDt(integralOfChiDt);        
721 >     } else if (propertyName == "Barostat") {
722 >        Mat3x3d eta;
723 >        eta(0, 0) = tokenizer.nextTokenAsDouble();
724 >        eta(0, 1) = tokenizer.nextTokenAsDouble();
725 >        eta(0, 2) = tokenizer.nextTokenAsDouble();
726 >        eta(1, 0) = tokenizer.nextTokenAsDouble();
727 >        eta(1, 1) = tokenizer.nextTokenAsDouble();
728 >        eta(1, 2) = tokenizer.nextTokenAsDouble();
729 >        eta(2, 0) = tokenizer.nextTokenAsDouble();
730 >        eta(2, 1) = tokenizer.nextTokenAsDouble();
731 >        eta(2, 2) = tokenizer.nextTokenAsDouble();
732 >        s->setEta(eta);
733 >      } else {
734 >        sprintf(painCave.errMsg,
735 >                "DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
736 >        painCave.isFatal = 0;
737 >        simError();        
738 >      }
739 >      
740      }
741 <    
641 <    
741 >
742    }
743 <  
744 < }//end namespace oopse
743 >
744 >  
745 > }//end namespace OpenMD

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 601 by tim, Thu Sep 15 19:17:04 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (property svn:keywords), Revision 1752 by gezelter, Sun Jun 10 14:05:02 2012 UTC

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