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root/OpenMD/trunk/src/io/DumpReader.cpp
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Comparing trunk/src/io/DumpReader.cpp (file contents):
Revision 601 by tim, Thu Sep 15 19:17:04 2005 UTC vs.
Revision 2000 by gezelter, Sat May 31 22:35:05 2014 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, 234107 (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 > #ifdef IS_MPI
47 > #include <mpi.h>
48 > #endif
49 >
50 > #include <sys/types.h>
51 > #include <sys/stat.h>
52 >
53 > #include <iostream>
54 > #include <math.h>
55 >
56 > #include <stdio.h>
57 > #include <stdlib.h>
58 > #include <string.h>
59 >
60 > #include "io/DumpReader.hpp"
61 > #include "primitives/Molecule.hpp"
62 > #include "utils/simError.h"
63 > #include "utils/MemoryUtils.hpp"
64 > #include "utils/StringTokenizer.hpp"
65 > #include "brains/Thermo.hpp"
66 >
67 >
68 > namespace OpenMD {
69 >  
70 >  DumpReader::DumpReader(SimInfo* info, const std::string& filename)
71 >    : info_(info), filename_(filename), isScanned_(false), nframes_(0), needCOMprops_(false) {
72      
73 < #ifdef IS_MPI
73 > #ifdef IS_MPI
74      
75 <      if (worldRank == 0) {
76 < #endif
75 >    if (worldRank == 0) {
76 > #endif
77        
78 <        inFile_ = fopen(filename_.c_str(), "r");
78 >      inFile_ = new std::ifstream(filename_.c_str(),  
79 >                                  ifstream::in | ifstream::binary);
80        
81 <        if (inFile_ == NULL) {
82 <          sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
83 <          painCave.isFatal = 1;
84 <          simError();
85 <        }
81 >      if (inFile_->fail()) {
82 >        sprintf(painCave.errMsg,
83 >                "DumpReader: Cannot open file: %s\n",
84 >                filename_.c_str());
85 >        painCave.isFatal = 1;
86 >        simError();
87 >      }
88        
89 < #ifdef IS_MPI
89 > #ifdef IS_MPI
90        
91 <      }
91 >    }
92      
93 <      strcpy(checkPointMsg, "Dump file opened for reading successfully.");
94 <      MPIcheckPoint();
93 >    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
94 >    errorCheckPoint();
95      
96 < #endif
96 > #endif
97      
98 <      return;
99 <    }
98 >    return;
99 >  }
100    
101 <  DumpReader::~DumpReader() {
101 >  DumpReader::~DumpReader() {
102      
103 < #ifdef IS_MPI
103 > #ifdef IS_MPI
104      
105 <    if (worldRank == 0) {
105 >    if (worldRank == 0) {
106   #endif
107 +
108 +      inFile_->~istream();
109        
110 <      int error;
108 <      error = fclose(inFile_);
110 > #ifdef IS_MPI
111        
112 <      if (error) {
111 <        sprintf(painCave.errMsg, "DumpReader Error: Error closing %s\n", filename_.c_str());
112 <        painCave.isFatal = 1;            
113 <        simError();
114 <      }
115 <      
116 <      MemoryUtils::deletePointers(framePos_);
117 <      
118 < #ifdef IS_MPI
119 <      
120 <    }
112 >    }
113      
114 <    strcpy(checkPointMsg, "Dump file closed successfully.");
115 <    MPIcheckPoint();
114 >    strcpy(checkPointMsg, "Dump file closed successfully.");
115 >    errorCheckPoint();
116      
117 < #endif
117 > #endif
118      
119 <    return;
120 <  }
119 >    return;
120 >  }
121    
122 <  int DumpReader::getNFrames(void) {
122 >  int DumpReader::getNFrames(void) {
123 >    
124 >    if (!isScanned_)
125 >      scanFile();
126 >    
127 >    return nframes_;
128 >  }
129 >  
130 >  void DumpReader::scanFile(void) {
131 >
132 >    std::streampos prevPos;
133 >    std::streampos  currPos;
134      
135 <    if (!isScanned_)
133 <      scanFile();
135 > #ifdef IS_MPI
136      
137 <    return nframes_;
138 <  }
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
137 >    if (worldRank == 0) {
138 > #endif // is_mpi
139        
140 <      rewind(inFile_);
141 <      
142 <      currPos = new fpos_t;
143 <      fgetpos(inFile_, currPos);
144 <      fgets(readBuffer, sizeof(readBuffer), inFile_);
145 <      lineNum++;
146 <      
147 <      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);
140 >      currPos = inFile_->tellg();
141 >      prevPos = currPos;
142 >      bool foundOpenSnapshotTag = false;
143 >      bool foundClosedSnapshotTag = false;
144 >
145 >      int lineNo = 0;
146 >      while(inFile_->getline(buffer, bufferSize)) {
147 >        ++lineNo;
148          
149 <        i = atoi(readBuffer);
150 <        
151 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
152 <        lineNum++;
153 <        
154 <        if (feof(inFile_)) {
155 <          sprintf(painCave.errMsg,
156 <                  "DumpReader Error: File \"%s\" ended unexpectedly at line %d\n",
157 <                  filename_.c_str(),
158 <                  lineNum);
159 <          painCave.isFatal = 1;
160 <          simError();
161 <        }
181 <        
182 <        for(j = 0; j < i; j++) {
183 <          fgets(readBuffer, sizeof(readBuffer), inFile_);
184 <          lineNum++;
149 >        std::string line = buffer;
150 >        currPos = inFile_->tellg();
151 >        if (line.find("<Snapshot>")!= std::string::npos) {
152 >          if (foundOpenSnapshotTag) {
153 >            sprintf(painCave.errMsg,
154 >                    "DumpReader:<Snapshot> is multiply nested at line %d in %s \n", lineNo,
155 >                    filename_.c_str());
156 >            painCave.isFatal = 1;
157 >            simError();          
158 >          }
159 >          foundOpenSnapshotTag = true;
160 >          foundClosedSnapshotTag = false;
161 >          framePos_.push_back(prevPos);
162            
163 <          if (feof(inFile_)) {
164 <            sprintf(painCave.errMsg,
165 <                    "DumpReader Error: File \"%s\" ended unexpectedly at line %d,"
166 <                    " with atom %d\n", filename_.c_str(),
167 <                    lineNum,
168 <                    j);
169 <            
193 <            painCave.isFatal = 1;
194 <            simError();
163 >        } else if (line.find("</Snapshot>") != std::string::npos){
164 >          if (!foundOpenSnapshotTag) {
165 >            sprintf(painCave.errMsg,
166 >                    "DumpReader:</Snapshot> appears before <Snapshot> at line %d in %s \n", lineNo,
167 >                    filename_.c_str());
168 >            painCave.isFatal = 1;
169 >            simError();
170            }
171 +          
172 +          if (foundClosedSnapshotTag) {
173 +            sprintf(painCave.errMsg,
174 +                    "DumpReader:</Snapshot> appears multiply nested at line %d in %s \n", lineNo,
175 +                    filename_.c_str());
176 +            painCave.isFatal = 1;
177 +            simError();
178 +          }
179 +          foundClosedSnapshotTag = true;
180 +          foundOpenSnapshotTag = false;
181          }
182 <        
198 <        currPos = new fpos_t;
199 <        fgetpos(inFile_, currPos);
200 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
201 <        lineNum++;
182 >        prevPos = currPos;
183        }
184        
185 <      delete currPos;
186 <      rewind(inFile_);
185 >      // only found <Snapshot> for the last frame means the file is corrupted, we should discard
186 >      // it and give a warning message
187 >      if (foundOpenSnapshotTag) {
188 >        sprintf(painCave.errMsg,
189 >                "DumpReader: last frame in %s is invalid\n", filename_.c_str());
190 >        painCave.isFatal = 0;
191 >        simError();      
192 >        framePos_.pop_back();
193 >      }
194        
195 <      nframes_ = framePos_.size();
196 < #ifdef IS_MPI
197 <    }
195 >      nframes_ = framePos_.size();
196 >      
197 >      if (nframes_ == 0) {
198 >        sprintf(painCave.errMsg,
199 >                "DumpReader: %s does not contain a valid frame\n", filename_.c_str());
200 >        painCave.isFatal = 1;
201 >        simError();      
202 >      }
203 > #ifdef IS_MPI
204 >    }
205 >    
206 >    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
207      
208 <    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
212 <    
213 <    strcpy(checkPointMsg, "Successfully scanned DumpFile\n");
214 <    MPIcheckPoint();
215 <    
216 < #endif // is_mpi
217 <    
218 <    isScanned_ = true;
219 <  }
220 <  
221 <  void DumpReader::readFrame(int whichFrame) {
222 <    if (!isScanned_)
223 <      scanFile();
224 <        
225 <    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
226 <    
227 <    if (storageLayout & DataStorage::dslPosition) {
228 <      needPos_ = true;
229 <    } else {
230 <      needPos_ = false;
231 <    }
208 > #endif // is_mpi
209      
210 <    if (storageLayout & DataStorage::dslVelocity) {
211 <      needVel_ = true;
212 <    } else {
213 <      needVel_ = false;
210 >    isScanned_ = true;
211 >  }
212 >  
213 >  void DumpReader::readFrame(int whichFrame) {
214 >    if (!isScanned_)
215 >      scanFile();
216 >        
217 >    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
218 >    
219 >    if (storageLayout & DataStorage::dslPosition) {
220 >      needPos_ = true;
221 >    } else {
222 >      needPos_ = false;
223 >    }
224 >    
225 >    if (storageLayout & DataStorage::dslVelocity) {
226 >      needVel_ = true;
227 >    } else {
228 >      needVel_ = false;
229 >    }
230 >    
231 >    if (storageLayout & DataStorage::dslAmat ||
232 >        storageLayout & DataStorage::dslDipole ||
233 >        storageLayout & DataStorage::dslQuadrupole) {
234 >      needQuaternion_ = true;
235 >    } else {
236 >      needQuaternion_ = false;
237 >    }
238 >    
239 >    if (storageLayout & DataStorage::dslAngularMomentum) {
240 >      needAngMom_ = true;
241 >    } else {
242 >      needAngMom_ = false;    
243 >    }
244 >    
245 >    readSet(whichFrame);
246 >
247 >    if (needCOMprops_) {
248 >      Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
249 >      Thermo thermo(info_);
250 >      Vector3d com;
251 >
252 >      if (needPos_ && needVel_) {
253 >        Vector3d comvel;
254 >        Vector3d comw;
255 >        thermo.getComAll(com, comvel);
256 >        comw = thermo.getAngularMomentum();
257 >      } else {
258 >        com = thermo.getCom();
259 >      }                    
260      }
261 <    
262 <    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
263 <      needQuaternion_ = true;
261 >  }
262 >  
263 >  void DumpReader::readSet(int whichFrame) {    
264 >    std::string line;
265 >
266 > #ifndef IS_MPI
267 >    inFile_->clear();  
268 >    inFile_->seekg(framePos_[whichFrame]);
269 >
270 >    std::istream& inputStream = *inFile_;    
271 >
272 > #else
273 >    int masterNode = 0;
274 >    std::stringstream sstream;
275 >    if (worldRank == masterNode) {
276 >      std::string sendBuffer;
277 >
278 >      inFile_->clear();  
279 >      inFile_->seekg(framePos_[whichFrame]);
280 >      
281 >      while (inFile_->getline(buffer, bufferSize)) {
282 >
283 >        line = buffer;
284 >        sendBuffer += line;
285 >        sendBuffer += '\n';
286 >        if (line.find("</Snapshot>") != std::string::npos) {
287 >          break;
288 >        }        
289 >      }
290 >
291 >      int sendBufferSize = sendBuffer.size();
292 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
293 >      MPI_Bcast((void *)sendBuffer.c_str(), sendBufferSize,
294 >                MPI_CHAR, masterNode, MPI_COMM_WORLD);    
295 >      
296 >      sstream.str(sendBuffer);
297      } else {
298 <      needQuaternion_ = 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::dslAngularMomentum) {
322 <      needAngMom_ = 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 <      needAngMom_ = 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 <    readSet(whichFrame);
343 <  }
344 <  
345 <  void DumpReader::readSet(int whichFrame) {
346 <    int i;
347 <    int nTotObjs;                  // the number of atoms
348 <    char read_buffer[maxBufferSize];  //the line buffer for reading
349 <    char * eof_test;               // ptr to see when we reach the end of the file
350 <    
351 <    Molecule* mol;
352 <    StuntDouble* integrableObject;
353 <    SimInfo::MoleculeIterator mi;
354 <    Molecule::IntegrableObjectIterator ii;
355 <    
356 < #ifndef IS_MPI
357 <    
358 <    fsetpos(inFile_, framePos_[whichFrame]);
359 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
360 <    
361 <    if (eof_test == NULL) {
362 <      sprintf(painCave.errMsg,
363 <              "DumpReader error: error reading 1st line of \"%s\"\n",
273 <              filename_.c_str());
274 <      painCave.isFatal = 1;
275 <      simError();
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* sd = info_->getIOIndexToIntegrableObject(index);
361 >
362 >    if (sd == NULL) {
363 >      return;
364      }
365 +    std::string type = tokenizer.nextToken();
366 +    int size = type.size();
367 +
368 +    size_t found;
369      
370 <    nTotObjs = atoi(read_buffer);
371 <    
372 <    if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
373 <      sprintf(painCave.errMsg,
374 <              "DumpReader error. %s nIntegrable, %d, "
375 <              "does not match the meta-data file's nIntegrable, %d.\n",
376 <              filename_.c_str(),
377 <              nTotObjs,
378 <              info_->getNGlobalIntegrableObjects());
379 <      
288 <      painCave.isFatal = 1;
289 <      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 <    //read the box mat from the comment line
383 <    
384 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
385 <    
386 <    if (eof_test == NULL) {
387 <      sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
388 <              filename_.c_str());
389 <      painCave.isFatal = 1;
390 <      simError();
382 >    if (sd->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 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
397 <    
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 >              sd->setPos(pos);
406 >            }            
407 >            break;
408          }
409 <        
410 <        parseDumpLine(read_buffer, integrableObject);
411 <        i++;
412 <      }
413 <    }
414 <    
415 <    // MPI Section of code..........
416 <    
417 < #else //IS_MPI
418 <    
419 <    // first thing first, suspend fatalities.
420 <    int masterNode = 0;
421 <    int nCurObj;
422 <    painCave.isEventLoop = 1;
341 <    
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();
361 <      }
362 <      
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());
376 <        
377 <        painCave.isFatal = 1;
378 <        simError();
379 <      }
380 <      
381 <      //read the boxMat from the comment line
382 <      
383 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
384 <      
385 <      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();
390 <      }
391 <      
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);
402 <        
403 <        if (which_node == masterNode) {
404 <          //molecules belong to master node
405 <          
406 <          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);
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 >              sd->setVel(vel);
416 >            }
417 >            break;
418 >        }
419 >
420 >        case 'q' : {
421 >           Quat4d q;
422 >           if (sd->isDirectional()) {
423                
424 <              painCave.isFatal = 1;
425 <              simError();
426 <            }
427 <            
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);
424 >             q[0] = tokenizer.nextTokenAsDouble();
425 >             q[1] = tokenizer.nextTokenAsDouble();
426 >             q[2] = tokenizer.nextTokenAsDouble();
427 >             q[3] = tokenizer.nextTokenAsDouble();
428                
429 <              painCave.isFatal = 1;
430 <              simError();
431 <            }
432 <            
433 <            MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node,
434 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD);
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 >               sd->setQ(q);
442 >             }              
443 >           }            
444 >           break;
445 >        }  
446 >        case 'j' : {
447 >          Vector3d ji;
448 >          if (sd->isDirectional()) {
449 >             ji[0] = tokenizer.nextTokenAsDouble();
450 >             ji[1] = tokenizer.nextTokenAsDouble();
451 >             ji[2] = tokenizer.nextTokenAsDouble();
452 >             if (needAngMom_) {
453 >               sd->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 +          sd->setFrc(force);
465 +          break;
466          }
467 <      }
468 <    } else {
469 <      //actions taken at slave nodes
470 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
471 <      
472 <      /**@todo*/
473 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
474 <      
468 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
469 <        int which_node = info_->getMolToProc(i);
470 <        
471 <        if (which_node == worldRank) {
472 <          //molecule with global index i belongs to this processor
473 <          
474 <          mol = info_->getMoleculeByGlobalIndex(i);
475 <          if (mol == NULL) {
476 <            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 <          
467 >        case 't' : {
468 >
469 >           Vector3d torque;
470 >           torque[0] = tokenizer.nextTokenAsDouble();
471 >           torque[1] = tokenizer.nextTokenAsDouble();
472 >           torque[2] = tokenizer.nextTokenAsDouble();          
473 >           sd->setTrq(torque);          
474 >           break;
475          }
476 <        
476 >        case 'u' : {
477 >
478 >           RealType particlePot;
479 >           particlePot = tokenizer.nextTokenAsDouble();
480 >           sd->setParticlePot(particlePot);          
481 >           break;
482 >        }
483 >        case 'c' : {
484 >
485 >           RealType flucQPos;
486 >           flucQPos = tokenizer.nextTokenAsDouble();
487 >           sd->setFlucQPos(flucQPos);          
488 >           break;
489 >        }
490 >        case 'w' : {
491 >
492 >           RealType flucQVel;
493 >           flucQVel = tokenizer.nextTokenAsDouble();
494 >           sd->setFlucQVel(flucQVel);          
495 >           break;
496 >        }
497 >        case 'g' : {
498 >
499 >           RealType flucQFrc;
500 >           flucQFrc = tokenizer.nextTokenAsDouble();
501 >           sd->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 >           sd->setElectricField(eField);          
511 >           break;
512 >        }
513 >        case 's' : {
514 >
515 >           RealType sPot;
516 >           sPot = tokenizer.nextTokenAsDouble();
517 >           sd->setSitePotential(sPot);          
518 >           break;
519 >        }
520 >        default: {
521 >               sprintf(painCave.errMsg,
522 >                       "DumpReader Error: %s is an unrecognized type\n", type.c_str());
523 >               painCave.isFatal = 1;
524 >               simError();
525 >          break;  
526 >        }
527 >
528        }
498      
529      }
530 <    
531 < #endif
532 <    
533 <  }
534 <  
535 <  void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) {
536 <    
537 <    Vector3d pos;  // position place holders
538 <    Vector3d vel;  // velocity placeholders
539 <    Quat4d q;    // the quaternions
540 <    Vector3d ji;   // angular velocity placeholders;
541 <    StringTokenizer tokenizer(line);
542 <    int nTokens;
543 <    
544 <    nTokens = tokenizer.countTokens();
545 <    
546 <    if (nTokens < 14) {
547 <      sprintf(painCave.errMsg,
548 <              "DumpReader Error: Not enough Tokens.\n%s\n", line);
549 <      painCave.isFatal = 1;
550 <      simError();
551 <    }
552 <    
553 <    std::string name = tokenizer.nextToken();
554 <    
525 <    if (name != integrableObject->getType()) {
526 <      
527 <      sprintf(painCave.errMsg,
528 <              "DumpReader Error: Atom type [%s] in %s does not match Atom Type [%s] in .md file.\n",
529 <              name.c_str(), filename_.c_str(), integrableObject->getType().c_str());
530 <      painCave.isFatal = 1;
531 <      simError();        
532 <    }
533 <    
534 <    pos[0] = tokenizer.nextTokenAsDouble();
535 <    pos[1] = tokenizer.nextTokenAsDouble();
536 <    pos[2] = tokenizer.nextTokenAsDouble();
537 <    if (needPos_) {
538 <      integrableObject->setPos(pos);
530 >  }
531 >  
532 >
533 >  void DumpReader::parseSiteLine(const std::string& line) {
534 >
535 >    StringTokenizer tokenizer(line);
536 >    int nTokens;
537 >        
538 >    nTokens = tokenizer.countTokens();
539 >    
540 >    if (nTokens < 2) {  
541 >      sprintf(painCave.errMsg,
542 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
543 >      painCave.isFatal = 1;
544 >      simError();
545 >    }
546 >
547 >    /**
548 >     * The first token is the global integrable object index.
549 >     */
550 >
551 >    int index = tokenizer.nextTokenAsInt();
552 >    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
553 >    if (sd == NULL) {
554 >      return;
555      }
556 <    
557 <    vel[0] = tokenizer.nextTokenAsDouble();
558 <    vel[1] = tokenizer.nextTokenAsDouble();
559 <    vel[2] = tokenizer.nextTokenAsDouble();
560 <    if (needVel_) {
561 <      integrableObject->setVel(vel);
556 >
557 >    /**
558 >     * Test to see if the next token is an integer or not.  If not,
559 >     * we've got data on the integrable object itself.  If there is an
560 >     * integer, we're parsing data for a site on a rigid body.
561 >     */
562 >
563 >    std::string indexTest = tokenizer.peekNextToken();
564 >    std::istringstream i(indexTest);
565 >    int siteIndex;
566 >    if (i >> siteIndex) {
567 >      // chew up this token and parse as an int:
568 >      siteIndex = tokenizer.nextTokenAsInt();
569 >
570 >      if (sd->isRigidBody()) {
571 >        RigidBody* rb = static_cast<RigidBody*>(sd);
572 >        sd = rb->getAtoms()[siteIndex];
573 >      }
574      }
575 +
576 +    /**
577 +     * The next token contains information on what follows.
578 +     */
579 +    std::string type = tokenizer.nextToken();
580 +    int size = type.size();
581      
582 <    if (integrableObject->isDirectional()) {
583 <      
550 <      q[0] = tokenizer.nextTokenAsDouble();
551 <      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
582 >    for(int i = 0; i < size; ++i) {
583 >      switch(type[i]) {
584          
585 <        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();
585 >      case 'u' : {
586          
587 <      }
588 <      
589 <      q.normalize();
590 <      if (needQuaternion_) {          
567 <        integrableObject->setQ(q);
587 >        RealType particlePot;
588 >        particlePot = tokenizer.nextTokenAsDouble();
589 >        sd->setParticlePot(particlePot);
590 >        break;
591        }
592 <      
593 <      ji[0] = tokenizer.nextTokenAsDouble();
594 <      ji[1] = tokenizer.nextTokenAsDouble();
595 <      ji[2] = tokenizer.nextTokenAsDouble();
596 <      if (needAngMom_) {
597 <        integrableObject->setJ(ji);
592 >      case 'c' : {
593 >        
594 >        RealType flucQPos;
595 >        flucQPos = tokenizer.nextTokenAsDouble();
596 >        sd->setFlucQPos(flucQPos);
597 >        break;
598        }
599 <    }
600 <    
601 <  }
599 >      case 'w' : {
600 >        
601 >        RealType flucQVel;
602 >        flucQVel = tokenizer.nextTokenAsDouble();
603 >        sd->setFlucQVel(flucQVel);
604 >        break;
605 >      }
606 >      case 'g' : {
607 >        
608 >        RealType flucQFrc;
609 >        flucQFrc = tokenizer.nextTokenAsDouble();
610 >        sd->setFlucQFrc(flucQFrc);
611 >        break;
612 >      }
613 >      case 'e' : {
614 >        
615 >        Vector3d eField;
616 >        eField[0] = tokenizer.nextTokenAsDouble();
617 >        eField[1] = tokenizer.nextTokenAsDouble();
618 >        eField[2] = tokenizer.nextTokenAsDouble();  
619 >        sd->setElectricField(eField);          
620 >        break;
621 >      }
622 >      case 's' : {
623 >        
624 >        RealType sPot;
625 >        sPot = tokenizer.nextTokenAsDouble();
626 >        sd->setSitePotential(sPot);          
627 >        break;
628 >      }
629 >      default: {
630 >        sprintf(painCave.errMsg,
631 >                "DumpReader Error: %s is an unrecognized type\n", type.c_str());
632 >        painCave.isFatal = 1;
633 >        simError();
634 >        break;  
635 >      }
636 >      }
637 >    }    
638 >  }
639    
640    
641 <  void DumpReader::parseCommentLine(char* line, Snapshot* s) {
582 <    double currTime;
583 <    Mat3x3d hmat;
584 <    double chi;
585 <    double integralOfChiDt;
586 <    Mat3x3d eta;
641 >    void  DumpReader::readStuntDoubles(std::istream& inputStream) {
642      
643 <    StringTokenizer tokenizer(line);
644 <    int nTokens;
643 >    inputStream.getline(buffer, bufferSize);
644 >    std::string line(buffer);
645      
646 <    nTokens = tokenizer.countTokens();
647 <    
648 <    //comment line should at least contain 10 tokens: current time(1 token) and  h-matrix(9 tokens)
649 <    if (nTokens < 10) {
650 <      sprintf(painCave.errMsg,
596 <              "DumpReader Error: Not enough tokens in comment line: %s", line);
597 <      painCave.isFatal = 1;
598 <      simError();  
646 >    if (line.find("<StuntDoubles>") == std::string::npos) {
647 >      sprintf(painCave.errMsg,
648 >              "DumpReader Error: Missing <StuntDoubles>\n");
649 >      painCave.isFatal = 1;
650 >      simError();
651      }
652 <    
653 <    //read current time
654 <    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();            
652 >
653 >    while(inputStream.getline(buffer, bufferSize)) {
654 >      line = buffer;
655        
656 <      s->setChi(chi);
657 <      s->setIntegralOfChiDt(integralOfChiDt);
656 >      if(line.find("</StuntDoubles>") != std::string::npos) {
657 >        break;
658 >      }
659 >
660 >      parseDumpLine(line);
661      }
662 +  
663 +  }
664 +
665 +  void  DumpReader::readSiteData(std::istream& inputStream) {
666 +
667 +    std::string line(buffer);
668 +
669 +    // We already found the starting <SiteData> tag or we wouldn't be
670 +    // here, so just start parsing until we get to the ending
671 +    // </SiteData> tag:
672      
673 <    //read eta (eta is 3x3 matrix)
674 <    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();      
673 >    while(inputStream.getline(buffer, bufferSize)) {
674 >      line = buffer;
675        
676 <      s->setEta(eta);
676 >      if(line.find("</SiteData>") != std::string::npos) {
677 >        break;
678 >      }
679 >
680 >      parseSiteLine(line);
681      }
640    
641    
642  }
682    
683 < }//end namespace oopse
683 >  }
684 >
685 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
686 >
687 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
688 >    inputStream.getline(buffer, bufferSize);
689 >    std::string line(buffer);
690 >
691 >    if (line.find("<FrameData>") == std::string::npos) {
692 >      sprintf(painCave.errMsg,
693 >              "DumpReader Error: Missing <FrameData>\n");
694 >      painCave.isFatal = 1;
695 >      simError();
696 >    }
697 >
698 >    while(inputStream.getline(buffer, bufferSize)) {
699 >      line = buffer;
700 >      
701 >      if(line.find("</FrameData>") != std::string::npos) {
702 >        break;
703 >      }
704 >      
705 >      StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
706 >      if (!tokenizer.hasMoreTokens()) {
707 >        sprintf(painCave.errMsg,
708 >                "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
709 >        painCave.isFatal = 1;
710 >        simError();      
711 >      }
712 >
713 >      std::string propertyName = tokenizer.nextToken();
714 >      if (propertyName == "Time") {
715 >        RealType currTime = tokenizer.nextTokenAsDouble();
716 >        s->setTime(currTime);
717 >      } else if (propertyName == "Hmat"){
718 >        Mat3x3d hmat;
719 >        hmat(0, 0) = tokenizer.nextTokenAsDouble();
720 >        hmat(0, 1) = tokenizer.nextTokenAsDouble();
721 >        hmat(0, 2) = tokenizer.nextTokenAsDouble();
722 >        hmat(1, 0) = tokenizer.nextTokenAsDouble();
723 >        hmat(1, 1) = tokenizer.nextTokenAsDouble();
724 >        hmat(1, 2) = tokenizer.nextTokenAsDouble();
725 >        hmat(2, 0) = tokenizer.nextTokenAsDouble();
726 >        hmat(2, 1) = tokenizer.nextTokenAsDouble();
727 >        hmat(2, 2) = tokenizer.nextTokenAsDouble();
728 >        s->setHmat(hmat);      
729 >      } else if (propertyName == "Thermostat") {
730 >        pair<RealType, RealType> thermostat;
731 >        thermostat.first = tokenizer.nextTokenAsDouble();
732 >        thermostat.second = tokenizer.nextTokenAsDouble();
733 >        s->setThermostat(thermostat);
734 >     } else if (propertyName == "Barostat") {
735 >        Mat3x3d eta;
736 >        eta(0, 0) = tokenizer.nextTokenAsDouble();
737 >        eta(0, 1) = tokenizer.nextTokenAsDouble();
738 >        eta(0, 2) = tokenizer.nextTokenAsDouble();
739 >        eta(1, 0) = tokenizer.nextTokenAsDouble();
740 >        eta(1, 1) = tokenizer.nextTokenAsDouble();
741 >        eta(1, 2) = tokenizer.nextTokenAsDouble();
742 >        eta(2, 0) = tokenizer.nextTokenAsDouble();
743 >        eta(2, 1) = tokenizer.nextTokenAsDouble();
744 >        eta(2, 2) = tokenizer.nextTokenAsDouble();
745 >        s->setBarostat(eta);
746 >      } else {
747 >        sprintf(painCave.errMsg,
748 >                "DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
749 >        painCave.isFatal = 0;
750 >        simError();        
751 >      }
752 >      
753 >    }
754 >
755 >  }
756 >
757 >  
758 > }//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.
Revision 2000 by gezelter, Sat May 31 22:35:05 2014 UTC

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