ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/io/DumpReader.cpp
(Generate patch)

Comparing:
trunk/src/io/DumpReader.cpp (file contents), Revision 507 by gezelter, Fri Apr 15 22:04:00 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (file contents), Revision 1825 by gezelter, Wed Jan 9 19:27:52 2013 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 > #include "brains/Thermo.hpp"
62 >
63 > #ifdef IS_MPI
64 > #include <mpi.h>
65 > #endif
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) {
106 < #endif
105 >    if (worldRank == 0) {
106 > #endif
107        
108 <      int error;
108 <      error = fclose(inFile_);
108 >      delete inFile_;
109        
110 <      if (error) {
111 <        sprintf(painCave.errMsg, "DumpReader Error: Error closing %s\n", filename_.c_str());
112 <        painCave.isFatal = 1;            
113 <        simError();
114 <      }
110 > #ifdef IS_MPI
111        
112 <      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 >    int lineNo = 0;
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 <      
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);
140 >      currPos = inFile_->tellg();
141 >      prevPos = currPos;
142 >      bool foundOpenSnapshotTag = false;
143 >      bool foundClosedSnapshotTag = false;
144 >
145 >      while(inFile_->getline(buffer, bufferSize)) {
146 >        ++lineNo;
147          
148 <        i = atoi(readBuffer);
149 <        
150 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
151 <        lineNum++;
152 <        
153 <        if (feof(inFile_)) {
154 <          sprintf(painCave.errMsg,
155 <                  "DumpReader Error: File \"%s\" ended unexpectedly at line %d\n",
156 <                  filename_.c_str(),
157 <                  lineNum);
158 <          painCave.isFatal = 1;
159 <          simError();
160 <        }
181 <        
182 <        for(j = 0; j < i; j++) {
183 <          fgets(readBuffer, sizeof(readBuffer), inFile_);
184 <          lineNum++;
148 >        std::string line = buffer;
149 >        currPos = inFile_->tellg();
150 >        if (line.find("<Snapshot>")!= std::string::npos) {
151 >          if (foundOpenSnapshotTag) {
152 >            sprintf(painCave.errMsg,
153 >                    "DumpReader:<Snapshot> is multiply nested at line %d in %s \n", lineNo,
154 >                    filename_.c_str());
155 >            painCave.isFatal = 1;
156 >            simError();          
157 >          }
158 >          foundOpenSnapshotTag = true;
159 >          foundClosedSnapshotTag = false;
160 >          framePos_.push_back(prevPos);
161            
162 <          if (feof(inFile_)) {
163 <            sprintf(painCave.errMsg,
164 <                    "DumpReader Error: File \"%s\" ended unexpectedly at line %d,"
165 <                    " with atom %d\n", filename_.c_str(),
166 <                    lineNum,
167 <                    j);
168 <            
193 <            painCave.isFatal = 1;
194 <            simError();
162 >        } else if (line.find("</Snapshot>") != std::string::npos){
163 >          if (!foundOpenSnapshotTag) {
164 >            sprintf(painCave.errMsg,
165 >                    "DumpReader:</Snapshot> appears before <Snapshot> at line %d in %s \n", lineNo,
166 >                    filename_.c_str());
167 >            painCave.isFatal = 1;
168 >            simError();
169            }
170 +          
171 +          if (foundClosedSnapshotTag) {
172 +            sprintf(painCave.errMsg,
173 +                    "DumpReader:</Snapshot> appears multiply nested at line %d in %s \n", lineNo,
174 +                    filename_.c_str());
175 +            painCave.isFatal = 1;
176 +            simError();
177 +          }
178 +          foundClosedSnapshotTag = true;
179 +          foundOpenSnapshotTag = false;
180          }
181 <        
198 <        currPos = new fpos_t;
199 <        fgetpos(inFile_, currPos);
200 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
201 <        lineNum++;
181 >        prevPos = currPos;
182        }
183        
184 <      delete currPos;
185 <      rewind(inFile_);
184 >      // only found <Snapshot> for the last frame means the file is corrupted, we should discard
185 >      // it and give a warning message
186 >      if (foundOpenSnapshotTag) {
187 >        sprintf(painCave.errMsg,
188 >                "DumpReader: last frame in %s is invalid\n", filename_.c_str());
189 >        painCave.isFatal = 0;
190 >        simError();      
191 >        framePos_.pop_back();
192 >      }
193        
194 <      nframes_ = framePos_.size();
195 < #ifdef IS_MPI
196 <    }
194 >      nframes_ = framePos_.size();
195 >      
196 >      if (nframes_ == 0) {
197 >        sprintf(painCave.errMsg,
198 >                "DumpReader: %s does not contain a valid frame\n", filename_.c_str());
199 >        painCave.isFatal = 1;
200 >        simError();      
201 >      }
202 > #ifdef IS_MPI
203 >    }
204 >    
205 >    MPI::COMM_WORLD.Bcast(&nframes_, 1, MPI::INT, 0);
206      
207 <    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
207 > #endif // is_mpi
208      
209 <    strcpy(checkPointMsg, "Successfully scanned DumpFile\n");
210 <    MPIcheckPoint();
211 <    
212 < #endif // is_mpi
213 <    
214 <    isScanned_ = true;
215 <  }
216 <  
217 <  void DumpReader::readFrame(int whichFrame) {
218 <    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
219 <    
220 <    if (storageLayout & DataStorage::dslPosition) {
221 <      needPos_ = true;
222 <    } else {
223 <      needPos_ = false;
209 >    isScanned_ = true;
210 >  }
211 >  
212 >  void DumpReader::readFrame(int whichFrame) {
213 >    if (!isScanned_)
214 >      scanFile();
215 >        
216 >    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
217 >    
218 >    if (storageLayout & DataStorage::dslPosition) {
219 >      needPos_ = true;
220 >    } else {
221 >      needPos_ = false;
222 >    }
223 >    
224 >    if (storageLayout & DataStorage::dslVelocity) {
225 >      needVel_ = true;
226 >    } else {
227 >      needVel_ = false;
228 >    }
229 >    
230 >    if (storageLayout & DataStorage::dslAmat ||
231 >        storageLayout & DataStorage::dslDipole ||
232 >        storageLayout & DataStorage::dslQuadrupole) {
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 >      Thermo thermo(info_);
249 >      Vector3d com;
250 >
251 >      if (needPos_ && needVel_) {
252 >        Vector3d comvel;
253 >        Vector3d comw;
254 >        thermo.getComAll(com, comvel);
255 >        comw = thermo.getAngularMomentum();
256 >      } else {
257 >        com = thermo.getCom();
258 >      }                    
259      }
260 <    
261 <    if (storageLayout & DataStorage::dslVelocity) {
262 <      needVel_ = true;
260 >  }
261 >  
262 >  void DumpReader::readSet(int whichFrame) {    
263 >    std::string line;
264 >
265 > #ifndef IS_MPI
266 >    inFile_->clear();  
267 >    inFile_->seekg(framePos_[whichFrame]);
268 >
269 >    std::istream& inputStream = *inFile_;    
270 >
271 > #else
272 >    int masterNode = 0;
273 >    std::stringstream sstream;
274 >    if (worldRank == masterNode) {
275 >      std::string sendBuffer;
276 >
277 >      inFile_->clear();  
278 >      inFile_->seekg(framePos_[whichFrame]);
279 >      
280 >      while (inFile_->getline(buffer, bufferSize)) {
281 >
282 >        line = buffer;
283 >        sendBuffer += line;
284 >        sendBuffer += '\n';
285 >        if (line.find("</Snapshot>") != std::string::npos) {
286 >          break;
287 >        }        
288 >      }
289 >
290 >      int sendBufferSize = sendBuffer.size();
291 >      MPI::COMM_WORLD.Bcast(&sendBufferSize, 1, MPI::INT, masterNode);    
292 >      MPI::COMM_WORLD.Bcast((void *)sendBuffer.c_str(), sendBufferSize,
293 >                            MPI::CHAR, masterNode);    
294 >      
295 >      sstream.str(sendBuffer);
296      } else {
297 <      needVel_ = false;
298 <    }
297 >      int sendBufferSize;
298 >      MPI::COMM_WORLD.Bcast(&sendBufferSize, 1, MPI::INT, masterNode);
299 >      char * recvBuffer = new char[sendBufferSize+1];
300 >      assert(recvBuffer);
301 >      recvBuffer[sendBufferSize] = '\0';
302 >      MPI::COMM_WORLD.Bcast(recvBuffer, sendBufferSize, MPI::CHAR, masterNode);
303 >      sstream.str(recvBuffer);
304 >      delete [] recvBuffer;
305 >    }      
306 >
307 >    std::istream& inputStream = sstream;  
308 > #endif
309 >
310 >    inputStream.getline(buffer, bufferSize);
311 >
312 >    line = buffer;
313 >    if (line.find("<Snapshot>") == std::string::npos) {
314 >      sprintf(painCave.errMsg,
315 >              "DumpReader Error: can not find <Snapshot>\n");
316 >      painCave.isFatal = 1;
317 >      simError();
318 >    }
319      
320 <    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
321 <      needQuaternion_ = true;
320 >    //read frameData
321 >    readFrameProperties(inputStream);
322 >
323 >    //read StuntDoubles
324 >    readStuntDoubles(inputStream);    
325 >
326 >    inputStream.getline(buffer, bufferSize);
327 >    line = buffer;
328 >
329 >    if (line.find("<SiteData>") != std::string::npos) {
330 >      //read SiteData
331 >      readSiteData(inputStream);        
332      } else {
333 <      needQuaternion_ = false;
333 >      if (line.find("</Snapshot>") == std::string::npos) {
334 >        sprintf(painCave.errMsg,
335 >                "DumpReader Error: can not find </Snapshot>\n");
336 >        painCave.isFatal = 1;
337 >        simError();
338 >      }        
339      }
340 <    
341 <    if (storageLayout & DataStorage::dslAngularMomentum) {
342 <      needAngMom_ = true;
343 <    } else {
344 <      needAngMom_ = false;    
340 >  }
341 >  
342 >  void DumpReader::parseDumpLine(const std::string& line) {
343 >
344 >      
345 >    StringTokenizer tokenizer(line);
346 >    int nTokens;
347 >    
348 >    nTokens = tokenizer.countTokens();
349 >    
350 >    if (nTokens < 2) {  
351 >      sprintf(painCave.errMsg,
352 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
353 >      painCave.isFatal = 1;
354 >      simError();
355 >    }
356 >
357 >    int index = tokenizer.nextTokenAsInt();
358 >
359 >    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
360 >
361 >    if (sd == NULL) {
362 >      return;
363      }
364 +    std::string type = tokenizer.nextToken();
365 +    int size = type.size();
366 +
367 +    size_t found;
368      
369 <    readSet(whichFrame);
370 <  }
371 <  
372 <  void DumpReader::readSet(int whichFrame) {
373 <    int i;
374 <    int nTotObjs;                  // the number of atoms
375 <    char read_buffer[maxBufferSize];  //the line buffer for reading
376 <    char * eof_test;               // ptr to see when we reach the end of the file
377 <    
378 <    Molecule* mol;
258 <    StuntDouble* integrableObject;
259 <    SimInfo::MoleculeIterator mi;
260 <    Molecule::IntegrableObjectIterator ii;
261 <    
262 < #ifndef IS_MPI
263 <    
264 <    fsetpos(inFile_, framePos_[whichFrame]);
265 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
266 <    
267 <    if (eof_test == NULL) {
268 <      sprintf(painCave.errMsg,
269 <              "DumpReader error: error reading 1st line of \"%s\"\n",
270 <              filename_.c_str());
271 <      painCave.isFatal = 1;
272 <      simError();
369 >    if (needPos_) {
370 >      found = type.find("p");      
371 >      if (found == std::string::npos) {
372 >        sprintf(painCave.errMsg,
373 >                "DumpReader Error: StuntDouble %d has no Position\n"
374 >                "\tField (\"p\") specified.\n%s\n", index,
375 >                line.c_str());  
376 >        painCave.isFatal = 1;
377 >        simError();
378 >      }
379      }
380      
381 <    nTotObjs = atoi(read_buffer);
382 <    
383 <    if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
384 <      sprintf(painCave.errMsg,
385 <              "DumpReader error. %s nIntegrable, %d, "
386 <              "does not match the meta-data file's nIntegrable, %d.\n",
387 <              filename_.c_str(),
388 <              nTotObjs,
389 <              info_->getNGlobalIntegrableObjects());
390 <      
391 <      painCave.isFatal = 1;
392 <      simError();
381 >    if (sd->isDirectional()) {
382 >      if (needQuaternion_) {
383 >        found = type.find("q");      
384 >        if (found == std::string::npos) {
385 >          sprintf(painCave.errMsg,
386 >                  "DumpReader Error: Directional StuntDouble %d has no\n"
387 >                  "\tQuaternion Field (\"q\") specified.\n%s\n", index,
388 >                  line.c_str());  
389 >          painCave.isFatal = 1;
390 >          simError();
391 >        }
392 >      }      
393      }
394 <    
395 <    //read the box mat from the comment line
396 <    
291 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
292 <    
293 <    if (eof_test == NULL) {
294 <      sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
295 <              filename_.c_str());
296 <      painCave.isFatal = 1;
297 <      simError();
298 <    }
299 <    
300 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
301 <    
302 <    //parse dump lines
303 <    
304 <    i = 0;
305 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
306 <      
307 <      for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
308 <           integrableObject = mol->nextIntegrableObject(ii)) {          
394 >
395 >    for(int i = 0; i < size; ++i) {
396 >      switch(type[i]) {
397          
398 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
399 <        
400 <        if (eof_test == NULL) {
401 <          sprintf(painCave.errMsg,
402 <                  "DumpReader Error: error in reading file %s\n"
403 <                  "natoms  = %d; index = %d\n"
404 <                  "error reading the line from the file.\n",
405 <                  filename_.c_str(),
406 <                  nTotObjs,
319 <                  i);
320 <          
321 <          painCave.isFatal = 1;
322 <          simError();
398 >        case 'p': {
399 >            Vector3d pos;
400 >            pos[0] = tokenizer.nextTokenAsDouble();
401 >            pos[1] = tokenizer.nextTokenAsDouble();
402 >            pos[2] = tokenizer.nextTokenAsDouble();
403 >            if (needPos_) {
404 >              sd->setPos(pos);
405 >            }            
406 >            break;
407          }
408 <        
409 <        parseDumpLine(read_buffer, integrableObject);
410 <        i++;
408 >        case 'v' : {
409 >            Vector3d vel;
410 >            vel[0] = tokenizer.nextTokenAsDouble();
411 >            vel[1] = tokenizer.nextTokenAsDouble();
412 >            vel[2] = tokenizer.nextTokenAsDouble();
413 >            if (needVel_) {
414 >              sd->setVel(vel);
415 >            }
416 >            break;
417 >        }
418 >
419 >        case 'q' : {
420 >           Quat4d q;
421 >           if (sd->isDirectional()) {
422 >              
423 >             q[0] = tokenizer.nextTokenAsDouble();
424 >             q[1] = tokenizer.nextTokenAsDouble();
425 >             q[2] = tokenizer.nextTokenAsDouble();
426 >             q[3] = tokenizer.nextTokenAsDouble();
427 >              
428 >             RealType qlen = q.length();
429 >             if (qlen < OpenMD::epsilon) { //check quaternion is not equal to 0
430 >                
431 >               sprintf(painCave.errMsg,
432 >                       "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2) ~ 0\n");
433 >               painCave.isFatal = 1;
434 >               simError();
435 >                
436 >             }  
437 >              
438 >             q.normalize();
439 >             if (needQuaternion_) {            
440 >               sd->setQ(q);
441 >             }              
442 >           }            
443 >           break;
444 >        }  
445 >        case 'j' : {
446 >          Vector3d ji;
447 >          if (sd->isDirectional()) {
448 >             ji[0] = tokenizer.nextTokenAsDouble();
449 >             ji[1] = tokenizer.nextTokenAsDouble();
450 >             ji[2] = tokenizer.nextTokenAsDouble();
451 >             if (needAngMom_) {
452 >               sd->setJ(ji);
453 >             }
454 >          }
455 >          break;
456 >        }  
457 >        case 'f': {
458 >
459 >          Vector3d force;
460 >          force[0] = tokenizer.nextTokenAsDouble();
461 >          force[1] = tokenizer.nextTokenAsDouble();
462 >          force[2] = tokenizer.nextTokenAsDouble();          
463 >          sd->setFrc(force);
464 >          break;
465 >        }
466 >        case 't' : {
467 >
468 >           Vector3d torque;
469 >           torque[0] = tokenizer.nextTokenAsDouble();
470 >           torque[1] = tokenizer.nextTokenAsDouble();
471 >           torque[2] = tokenizer.nextTokenAsDouble();          
472 >           sd->setTrq(torque);          
473 >           break;
474 >        }
475 >        case 'u' : {
476 >
477 >           RealType particlePot;
478 >           particlePot = tokenizer.nextTokenAsDouble();
479 >           sd->setParticlePot(particlePot);          
480 >           break;
481 >        }
482 >        case 'c' : {
483 >
484 >           RealType flucQPos;
485 >           flucQPos = tokenizer.nextTokenAsDouble();
486 >           sd->setFlucQPos(flucQPos);          
487 >           break;
488 >        }
489 >        case 'w' : {
490 >
491 >           RealType flucQVel;
492 >           flucQVel = tokenizer.nextTokenAsDouble();
493 >           sd->setFlucQVel(flucQVel);          
494 >           break;
495 >        }
496 >        case 'g' : {
497 >
498 >           RealType flucQFrc;
499 >           flucQFrc = tokenizer.nextTokenAsDouble();
500 >           sd->setFlucQFrc(flucQFrc);          
501 >           break;
502 >        }
503 >        case 'e' : {
504 >
505 >           Vector3d eField;
506 >           eField[0] = tokenizer.nextTokenAsDouble();
507 >           eField[1] = tokenizer.nextTokenAsDouble();
508 >           eField[2] = tokenizer.nextTokenAsDouble();          
509 >           sd->setElectricField(eField);          
510 >           break;
511 >        }
512 >        default: {
513 >               sprintf(painCave.errMsg,
514 >                       "DumpReader Error: %s is an unrecognized type\n", type.c_str());
515 >               painCave.isFatal = 1;
516 >               simError();
517 >          break;  
518 >        }
519 >
520        }
521      }
522 +    
523 +  }
524 +  
525 +
526 +  void DumpReader::parseSiteLine(const std::string& line) {
527 +
528 +    StringTokenizer tokenizer(line);
529 +    int nTokens;
530 +    
531 +    nTokens = tokenizer.countTokens();
532 +    
533 +    if (nTokens < 2) {  
534 +      sprintf(painCave.errMsg,
535 +              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
536 +      painCave.isFatal = 1;
537 +      simError();
538 +    }
539 +
540 +    /**
541 +     * The first token is the global integrable object index.
542 +     */
543 +
544 +    int index = tokenizer.nextTokenAsInt();
545 +    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
546 +    if (sd == NULL) {
547 +      return;
548 +    }
549 +
550 +    /**
551 +     * Test to see if the next token is an integer or not.  If not,
552 +     * we've got data on the integrable object itself.  If there is an
553 +     * integer, we're parsing data for a site on a rigid body.
554 +     */
555 +
556 +    std::string indexTest = tokenizer.peekNextToken();
557 +    std::istringstream i(indexTest);
558 +    int siteIndex;
559 +    if (i >> siteIndex) {
560 +      // chew up this token and parse as an int:
561 +      siteIndex = tokenizer.nextTokenAsInt();
562 +      RigidBody* rb = static_cast<RigidBody*>(sd);
563 +      sd = rb->getAtoms()[siteIndex];
564 +    }
565 +
566 +    /**
567 +     * The next token contains information on what follows.
568 +     */
569 +    std::string type = tokenizer.nextToken();
570 +    int size = type.size();
571      
572 <    // MPI Section of code..........
573 <    
574 < #else //IS_MPI
575 <    
576 <    // first thing first, suspend fatalities.
577 <    int masterNode = 0;
578 <    int nCurObj;
579 <    painCave.isEventLoop = 1;
580 <    
339 <    int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone
340 <    int haveError;
341 <    
342 <    MPI_Status istatus;
343 <    int nitems;
344 <    
345 <    nTotObjs = info_->getNGlobalIntegrableObjects();
346 <    haveError = 0;
347 <    
348 <    if (worldRank == masterNode) {
349 <      fsetpos(inFile_, framePos_[whichFrame]);
350 <      
351 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
352 <      
353 <      if (eof_test == NULL) {
354 <        sprintf(painCave.errMsg, "DumpReader Error: Error reading 1st line of %s \n ",
355 <                filename_.c_str());
356 <        painCave.isFatal = 1;
357 <        simError();
572 >    for(int i = 0; i < size; ++i) {
573 >      switch(type[i]) {
574 >        
575 >      case 'u' : {
576 >        
577 >        RealType particlePot;
578 >        particlePot = tokenizer.nextTokenAsDouble();
579 >        sd->setParticlePot(particlePot);
580 >        break;
581        }
582 <      
360 <      nitems = atoi(read_buffer);
361 <      
362 <      // Check to see that the number of integrable objects in the
363 <      // intial configuration file is the same as derived from the
364 <      // meta-data file.
365 <      
366 <      if (nTotObjs != nitems) {
367 <        sprintf(painCave.errMsg,
368 <                "DumpReader Error. %s nIntegrable, %d, "
369 <                "does not match the meta-data file's nIntegrable, %d.\n",
370 <                filename_.c_str(),
371 <                nTotObjs,
372 <                info_->getNGlobalIntegrableObjects());
582 >      case 'c' : {
583          
584 <        painCave.isFatal = 1;
585 <        simError();
584 >        RealType flucQPos;
585 >        flucQPos = tokenizer.nextTokenAsDouble();
586 >        sd->setFlucQPos(flucQPos);
587 >        break;
588        }
589 <      
590 <      //read the boxMat from the comment line
591 <      
592 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
593 <      
594 <      if (eof_test == NULL) {
383 <        sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
384 <                filename_.c_str());
385 <        painCave.isFatal = 1;
386 <        simError();
589 >      case 'w' : {
590 >        
591 >        RealType flucQVel;
592 >        flucQVel = tokenizer.nextTokenAsDouble();
593 >        sd->setFlucQVel(flucQVel);
594 >        break;
595        }
596 <      
389 <      //Every single processor will parse the comment line by itself
390 <      //By using this way, we might lose some efficiency, but if we want to add
391 <      //more parameters into comment line, we only need to modify function
392 <      //parseCommentLine
393 <      
394 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
395 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
396 <      
397 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
398 <        int which_node = info_->getMolToProc(i);
596 >      case 'g' : {
597          
598 <        if (which_node == masterNode) {
599 <          //molecules belong to master node
600 <          
601 <          mol = info_->getMoleculeByGlobalIndex(i);
404 <          
405 <          if (mol == NULL) {
406 <            sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
407 <            painCave.isFatal = 1;
408 <            simError();
409 <          }
410 <          
411 <          for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
412 <               integrableObject = mol->nextIntegrableObject(ii)){
413 <            
414 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
415 <            
416 <            if (eof_test == NULL) {
417 <              sprintf(painCave.errMsg,
418 <                      "DumpReader Error: error in reading file %s\n"
419 <                      "natoms  = %d; index = %d\n"
420 <                      "error reading the line from the file.\n",
421 <                      filename_.c_str(),
422 <                      nTotObjs,
423 <                      i);
424 <              
425 <              painCave.isFatal = 1;
426 <              simError();
427 <            }
428 <            
429 <            parseDumpLine(read_buffer, integrableObject);
430 <          }
431 <        } else {
432 <          //molecule belongs to slave nodes
433 <          
434 <          MPI_Recv(&nCurObj, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT,
435 <                   MPI_COMM_WORLD, &istatus);
436 <          
437 <          for(int j = 0; j < nCurObj; j++) {
438 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
439 <            
440 <            if (eof_test == NULL) {
441 <              sprintf(painCave.errMsg,
442 <                      "DumpReader Error: error in reading file %s\n"
443 <                      "natoms  = %d; index = %d\n"
444 <                      "error reading the line from the file.\n",
445 <                      filename_.c_str(),
446 <                      nTotObjs,
447 <                      i);
448 <              
449 <              painCave.isFatal = 1;
450 <              simError();
451 <            }
452 <            
453 <            MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node,
454 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD);
455 <          }
456 <        }
598 >        RealType flucQFrc;
599 >        flucQFrc = tokenizer.nextTokenAsDouble();
600 >        sd->setFlucQFrc(flucQFrc);
601 >        break;
602        }
603 <    } else {
459 <      //actions taken at slave nodes
460 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
461 <      
462 <      /**@todo*/
463 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
464 <      
465 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
466 <        int which_node = info_->getMolToProc(i);
603 >      case 'e' : {
604          
605 <        if (which_node == worldRank) {
606 <          //molecule with global index i belongs to this processor
607 <          
608 <          mol = info_->getMoleculeByGlobalIndex(i);
609 <          if (mol == NULL) {
610 <            sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
474 <            painCave.isFatal = 1;
475 <            simError();
476 <          }
477 <          
478 <          nCurObj = mol->getNIntegrableObjects();
479 <          
480 <          MPI_Send(&nCurObj, 1, MPI_INT, masterNode, TAKE_THIS_TAG_INT,
481 <                   MPI_COMM_WORLD);
482 <          
483 <          for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
484 <               integrableObject = mol->nextIntegrableObject(ii)){
485 <            
486 <            MPI_Recv(read_buffer, maxBufferSize, MPI_CHAR, masterNode,
487 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus);
488 <            
489 <            parseDumpLine(read_buffer, integrableObject);
490 <          }
491 <          
492 <        }
493 <        
605 >        Vector3d eField;
606 >        eField[0] = tokenizer.nextTokenAsDouble();
607 >        eField[1] = tokenizer.nextTokenAsDouble();
608 >        eField[2] = tokenizer.nextTokenAsDouble();  
609 >        sd->setElectricField(eField);          
610 >        break;
611        }
612 <      
613 <    }
614 <    
615 < #endif
616 <    
617 <  }
612 >      default: {
613 >        sprintf(painCave.errMsg,
614 >                "DumpReader Error: %s is an unrecognized type\n", type.c_str());
615 >        painCave.isFatal = 1;
616 >        simError();
617 >        break;  
618 >      }
619 >      }
620 >    }    
621 >  }
622    
623 <  void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) {
623 >  
624 >  void  DumpReader::readStuntDoubles(std::istream& inputStream) {
625      
626 <    Vector3d pos;  // position place holders
627 <    Vector3d vel;  // velocity placeholders
506 <    Quat4d q;    // the quaternions
507 <    Vector3d ji;   // angular velocity placeholders;
508 <    StringTokenizer tokenizer(line);
509 <    int nTokens;
626 >    inputStream.getline(buffer, bufferSize);
627 >    std::string line(buffer);
628      
629 <    nTokens = tokenizer.countTokens();
630 <    
631 <    if (nTokens < 14) {
632 <      sprintf(painCave.errMsg,
633 <              "DumpReader Error: Not enough Tokens.\n%s\n", line);
516 <      painCave.isFatal = 1;
517 <      simError();
629 >    if (line.find("<StuntDoubles>") == std::string::npos) {
630 >      sprintf(painCave.errMsg,
631 >              "DumpReader Error: Missing <StuntDoubles>\n");
632 >      painCave.isFatal = 1;
633 >      simError();
634      }
635 <    
636 <    std::string name = tokenizer.nextToken();
637 <    
522 <    if (name != integrableObject->getType()) {
635 >
636 >    while(inputStream.getline(buffer, bufferSize)) {
637 >      line = buffer;
638        
639 <      sprintf(painCave.errMsg,
640 <              "DumpReader Error: Atom type [%s] in %s does not match Atom Type [%s] in .md file.\n",
641 <              name.c_str(), filename_.c_str(), integrableObject->getType().c_str());
642 <      painCave.isFatal = 1;
643 <      simError();        
639 >      if(line.find("</StuntDoubles>") != std::string::npos) {
640 >        break;
641 >      }
642 >
643 >      parseDumpLine(line);
644      }
645 +  
646 +  }
647 +
648 +  void  DumpReader::readSiteData(std::istream& inputStream) {
649 +
650 +    inputStream.getline(buffer, bufferSize);
651 +    std::string line(buffer);
652      
653 <    pos[0] = tokenizer.nextTokenAsDouble();
654 <    pos[1] = tokenizer.nextTokenAsDouble();
655 <    pos[2] = tokenizer.nextTokenAsDouble();
534 <    if (needPos_) {
535 <      integrableObject->setPos(pos);
653 >    if (line.find("<SiteData>") == std::string::npos) {
654 >      // site data isn't required for a simulation, so skip
655 >      return;
656      }
657 <    
658 <    vel[0] = tokenizer.nextTokenAsDouble();
659 <    vel[1] = tokenizer.nextTokenAsDouble();
540 <    vel[2] = tokenizer.nextTokenAsDouble();
541 <    if (needVel_) {
542 <      integrableObject->setVel(vel);
543 <    }
544 <    
545 <    if (integrableObject->isDirectional()) {
657 >
658 >    while(inputStream.getline(buffer, bufferSize)) {
659 >      line = buffer;
660        
661 <      q[0] = tokenizer.nextTokenAsDouble();
662 <      q[1] = tokenizer.nextTokenAsDouble();
549 <      q[2] = tokenizer.nextTokenAsDouble();
550 <      q[3] = tokenizer.nextTokenAsDouble();
551 <      
552 <      double qlen = q.length();
553 <      if (qlen < oopse::epsilon) { //check quaternion is not equal to 0
554 <        
555 <        sprintf(painCave.errMsg,
556 <                "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2 ~ 0).\n");
557 <        painCave.isFatal = 1;
558 <        simError();
559 <        
560 <      }
561 <      
562 <      q.normalize();
563 <      if (needQuaternion_) {          
564 <        integrableObject->setQ(q);
661 >      if(line.find("</SiteData>") != std::string::npos) {
662 >        break;
663        }
664 <      
665 <      ji[0] = tokenizer.nextTokenAsDouble();
568 <      ji[1] = tokenizer.nextTokenAsDouble();
569 <      ji[2] = tokenizer.nextTokenAsDouble();
570 <      if (needAngMom_) {
571 <        integrableObject->setJ(ji);
572 <      }
664 >
665 >      parseSiteLine(line);
666      }
574    
575  }
667    
668 <  
669 <  void DumpReader::parseCommentLine(char* line, Snapshot* s) {
670 <    double currTime;
671 <    Mat3x3d hmat;
672 <    double chi;
673 <    double integralOfChiDt;
674 <    Mat3x3d eta;
675 <    
676 <    StringTokenizer tokenizer(line);
677 <    int nTokens;
678 <    
679 <    nTokens = tokenizer.countTokens();
680 <    
590 <    //comment line should at least contain 10 tokens: current time(1 token) and  h-matrix(9 tokens)
591 <    if (nTokens < 10) {
592 <      sprintf(painCave.errMsg,
593 <              "DumpReader Error: Not enough tokens in comment line: %s", line);
594 <      painCave.isFatal = 1;
595 <      simError();  
668 >  }
669 >
670 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
671 >
672 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
673 >    inputStream.getline(buffer, bufferSize);
674 >    std::string line(buffer);
675 >
676 >    if (line.find("<FrameData>") == std::string::npos) {
677 >      sprintf(painCave.errMsg,
678 >              "DumpReader Error: Missing <FrameData>\n");
679 >      painCave.isFatal = 1;
680 >      simError();
681      }
682 <    
683 <    //read current time
684 <    currTime = tokenizer.nextTokenAsDouble();
600 <    s->setTime(currTime);
601 <    
602 <    //read h-matrix
603 <    hmat(0, 0) = tokenizer.nextTokenAsDouble();
604 <    hmat(0, 1) = tokenizer.nextTokenAsDouble();
605 <    hmat(0, 2) = tokenizer.nextTokenAsDouble();
606 <    hmat(1, 0) = tokenizer.nextTokenAsDouble();
607 <    hmat(1, 1) = tokenizer.nextTokenAsDouble();
608 <    hmat(1, 2) = tokenizer.nextTokenAsDouble();
609 <    hmat(2, 0) = tokenizer.nextTokenAsDouble();
610 <    hmat(2, 1) = tokenizer.nextTokenAsDouble();
611 <    hmat(2, 2) = tokenizer.nextTokenAsDouble();
612 <    s->setHmat(hmat);
613 <    
614 <    //read chi and integralOfChidt, they should apprear in pair
615 <    if (tokenizer.countTokens() >= 2) {
616 <      chi = tokenizer.nextTokenAsDouble();
617 <      integralOfChiDt = tokenizer.nextTokenAsDouble();            
682 >
683 >    while(inputStream.getline(buffer, bufferSize)) {
684 >      line = buffer;
685        
686 <      s->setChi(chi);
687 <      s->setIntegralOfChiDt(integralOfChiDt);
688 <    }
622 <    
623 <    //read eta (eta is 3x3 matrix)
624 <    if (tokenizer.countTokens() >= 9) {
625 <      eta(0, 0) = tokenizer.nextTokenAsDouble();
626 <      eta(0, 1) = tokenizer.nextTokenAsDouble();
627 <      eta(0, 2) = tokenizer.nextTokenAsDouble();
628 <      eta(1, 0) = tokenizer.nextTokenAsDouble();
629 <      eta(1, 1) = tokenizer.nextTokenAsDouble();
630 <      eta(1, 2) = tokenizer.nextTokenAsDouble();
631 <      eta(2, 0) = tokenizer.nextTokenAsDouble();
632 <      eta(2, 1) = tokenizer.nextTokenAsDouble();
633 <      eta(2, 2) = tokenizer.nextTokenAsDouble();      
686 >      if(line.find("</FrameData>") != std::string::npos) {
687 >        break;
688 >      }
689        
690 <      s->setEta(eta);
690 >      StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
691 >      if (!tokenizer.hasMoreTokens()) {
692 >        sprintf(painCave.errMsg,
693 >                "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
694 >        painCave.isFatal = 1;
695 >        simError();      
696 >      }
697 >
698 >      std::string propertyName = tokenizer.nextToken();
699 >      if (propertyName == "Time") {
700 >        RealType currTime = tokenizer.nextTokenAsDouble();
701 >        s->setTime(currTime);
702 >      } else if (propertyName == "Hmat"){
703 >        Mat3x3d hmat;
704 >        hmat(0, 0) = tokenizer.nextTokenAsDouble();
705 >        hmat(0, 1) = tokenizer.nextTokenAsDouble();
706 >        hmat(0, 2) = tokenizer.nextTokenAsDouble();
707 >        hmat(1, 0) = tokenizer.nextTokenAsDouble();
708 >        hmat(1, 1) = tokenizer.nextTokenAsDouble();
709 >        hmat(1, 2) = tokenizer.nextTokenAsDouble();
710 >        hmat(2, 0) = tokenizer.nextTokenAsDouble();
711 >        hmat(2, 1) = tokenizer.nextTokenAsDouble();
712 >        hmat(2, 2) = tokenizer.nextTokenAsDouble();
713 >        s->setHmat(hmat);      
714 >      } else if (propertyName == "Thermostat") {
715 >        pair<RealType, RealType> thermostat;
716 >        thermostat.first = tokenizer.nextTokenAsDouble();
717 >        thermostat.second = tokenizer.nextTokenAsDouble();
718 >        s->setThermostat(thermostat);
719 >     } else if (propertyName == "Barostat") {
720 >        Mat3x3d eta;
721 >        eta(0, 0) = tokenizer.nextTokenAsDouble();
722 >        eta(0, 1) = tokenizer.nextTokenAsDouble();
723 >        eta(0, 2) = tokenizer.nextTokenAsDouble();
724 >        eta(1, 0) = tokenizer.nextTokenAsDouble();
725 >        eta(1, 1) = tokenizer.nextTokenAsDouble();
726 >        eta(1, 2) = tokenizer.nextTokenAsDouble();
727 >        eta(2, 0) = tokenizer.nextTokenAsDouble();
728 >        eta(2, 1) = tokenizer.nextTokenAsDouble();
729 >        eta(2, 2) = tokenizer.nextTokenAsDouble();
730 >        s->setBarostat(eta);
731 >      } else {
732 >        sprintf(painCave.errMsg,
733 >                "DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
734 >        painCave.isFatal = 0;
735 >        simError();        
736 >      }
737 >      
738      }
739 <    
638 <    
739 >
740    }
741 <  
742 < }//end namespace oopse
741 >
742 >  
743 > }//end namespace OpenMD

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 507 by gezelter, Fri Apr 15 22:04:00 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (property svn:keywords), Revision 1825 by gezelter, Wed Jan 9 19:27:52 2013 UTC

# Line 0 | Line 1
1 + Author Id Revision Date

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines