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root/OpenMD/branches/development/src/io/DumpReader.cpp
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trunk/src/io/DumpReader.cpp (file contents), Revision 381 by tim, Tue Mar 1 14:45:45 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (file contents), Revision 1769 by gezelter, Mon Jul 9 14:15:52 2012 UTC

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

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 381 by tim, Tue Mar 1 14:45:45 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (property svn:keywords), Revision 1769 by gezelter, Mon Jul 9 14:15:52 2012 UTC

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