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root/OpenMD/branches/development/src/io/DumpReader.cpp
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trunk/src/io/DumpReader.cpp (file contents), Revision 398 by tim, Mon Mar 7 22:39:33 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (file contents), Revision 1794 by gezelter, Thu Sep 6 19:44:06 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 >                                  ifstream::in | ifstream::binary);
80 >      
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
90 >      
91 >    }
92 >    
93 >    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
94 >    errorCheckPoint();
95 >    
96 > #endif
97 >    
98 >    return;
99 >  }
100 >  
101 >  DumpReader::~DumpReader() {
102 >    
103 > #ifdef IS_MPI
104 >    
105 >    if (worldRank == 0) {
106 > #endif
107 >      
108 >      delete inFile_;
109 >      
110 > #ifdef IS_MPI
111 >      
112 >    }
113 >    
114 >    strcpy(checkPointMsg, "Dump file closed successfully.");
115 >    errorCheckPoint();
116 >    
117 > #endif
118 >    
119 >    return;
120 >  }
121 >  
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 > #ifdef IS_MPI
136 >    
137 >    if (worldRank == 0) {
138 > #endif // is_mpi
139 >      
140 >      currPos = inFile_->tellg();
141 >      prevPos = currPos;
142 >      bool foundOpenSnapshotTag = false;
143 >      bool foundClosedSnapshotTag = false;
144 >      bool foundOpenSiteDataTag = false;
145 >      while(inFile_->getline(buffer, bufferSize)) {
146 >        ++lineNo;
147 >        
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 >        } 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 >        prevPos = currPos;
182 >      }
183 >      
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 >      
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_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
206 >    
207 > #endif // is_mpi
208 >    
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 < #include <sys/types.h>
247 < #include <sys/stat.h>
246 >    if (needCOMprops_) {
247 >      Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
248 >      Thermo thermo(info_);
249 >      Vector3d com;
250  
251 < #include <iostream>
252 < #include <math.h>
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 >  
262 >  void DumpReader::readSet(int whichFrame) {    
263 >    std::string line;
264  
265 < #include <stdio.h>
266 < #include <stdlib.h>
267 < #include <string.h>
265 > #ifndef IS_MPI
266 >    inFile_->clear();  
267 >    inFile_->seekg(framePos_[whichFrame]);
268  
269 < #include "io/DumpReader.hpp"
56 < #include "primitives/Molecule.hpp"
57 < #include "utils/simError.h"
58 < #include "utils/MemoryUtils.hpp"
59 < #include "utils/StringTokenizer.hpp"
269 >    std::istream& inputStream = *inFile_;    
270  
271 < #ifdef IS_MPI
271 > #else
272 >    int masterNode = 0;
273 >    std::stringstream sstream;
274 >    if (worldRank == masterNode) {
275 >      std::string sendBuffer;
276  
277 < #include <mpi.h>
278 < #define TAKE_THIS_TAG_CHAR 0
279 < #define TAKE_THIS_TAG_INT 1
277 >      inFile_->clear();  
278 >      inFile_->seekg(framePos_[whichFrame]);
279 >      
280 >      while (inFile_->getline(buffer, bufferSize)) {
281  
282 < #endif // is_mpi
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_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
292 +      MPI_Bcast((void *)sendBuffer.c_str(), sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
293 +      
294 +      sstream.str(sendBuffer);
295 +    } else {
296 +      int sendBufferSize;
297 +      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
298 +      char * recvBuffer = new char[sendBufferSize+1];
299 +      assert(recvBuffer);
300 +      recvBuffer[sendBufferSize] = '\0';
301 +      MPI_Bcast(recvBuffer, sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
302 +      sstream.str(recvBuffer);
303 +      delete [] recvBuffer;
304 +    }      
305  
306 < 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) {
306 >    std::istream& inputStream = sstream;  
307   #endif
308  
309 <        inFile_ = fopen(filename_.c_str(), "r");
309 >    inputStream.getline(buffer, bufferSize);
310  
311 <        if (inFile_ == NULL) {
312 <            sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
313 <            painCave.isFatal = 1;
314 <            simError();
315 <        }
316 <
317 < #ifdef IS_MPI
311 >    line = buffer;
312 >    if (line.find("<Snapshot>") == std::string::npos) {
313 >      sprintf(painCave.errMsg,
314 >              "DumpReader Error: can not find <Snapshot>\n");
315 >      painCave.isFatal = 1;
316 >      simError();
317 >    }
318 >    
319 >    //read frameData
320 >    readFrameProperties(inputStream);
321  
322 <    }
322 >    //read StuntDoubles
323 >    readStuntDoubles(inputStream);    
324  
325 <    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
326 <    MPIcheckPoint();
325 >    inputStream.getline(buffer, bufferSize);
326 >    line = buffer;
327  
328 < #endif
328 >    if (line.find("<SiteData>") != std::string::npos) {
329 >      //read SiteData
330 >      readSiteData(inputStream);        
331 >    } else {
332 >      if (line.find("</Snapshot>") == std::string::npos) {
333 >        sprintf(painCave.errMsg,
334 >                "DumpReader Error: can not find </Snapshot>\n");
335 >        painCave.isFatal = 1;
336 >        simError();
337 >      }        
338 >    }
339 >  }
340 >  
341 >  void DumpReader::parseDumpLine(const std::string& line) {
342  
343 <    return;
344 < }
343 >      
344 >    StringTokenizer tokenizer(line);
345 >    int nTokens;
346 >    
347 >    nTokens = tokenizer.countTokens();
348 >    
349 >    if (nTokens < 2) {  
350 >      sprintf(painCave.errMsg,
351 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
352 >      painCave.isFatal = 1;
353 >      simError();
354 >    }
355  
356 < DumpReader::~DumpReader() {
356 >    int index = tokenizer.nextTokenAsInt();
357 >
358 >    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
359  
360 < #ifdef IS_MPI
360 >    if (sd == NULL) {
361 >      return;
362 >    }
363 >    std::string type = tokenizer.nextToken();
364 >    int size = type.size();
365  
366 <    if (worldRank == 0) {
367 < #endif
368 <
369 <        int error;
370 <        error = fclose(inFile_);
371 <
372 <        if (error) {
373 <            sprintf(painCave.errMsg, "DumpReader Error: Error closing %s\n", filename_.c_str());
374 <            painCave.isFatal = 1;            
375 <            simError();
366 >    size_t found;
367 >    
368 >    if (needPos_) {
369 >      found = type.find("p");      
370 >      if (found == std::string::npos) {
371 >        sprintf(painCave.errMsg,
372 >                "DumpReader Error: StuntDouble %d has no Position\n"
373 >                "\tField (\"p\") specified.\n%s\n", index,
374 >                line.c_str());  
375 >        painCave.isFatal = 1;
376 >        simError();
377 >      }
378 >    }
379 >    
380 >    if (sd->isDirectional()) {
381 >      if (needQuaternion_) {
382 >        found = type.find("q");      
383 >        if (found == std::string::npos) {
384 >          sprintf(painCave.errMsg,
385 >                  "DumpReader Error: Directional StuntDouble %d has no\n"
386 >                  "\tQuaternion Field (\"q\") specified.\n%s\n", index,
387 >                  line.c_str());  
388 >          painCave.isFatal = 1;
389 >          simError();
390          }
391 <
116 <        MemoryUtils::deletePointers(framePos_);
117 <
118 < #ifdef IS_MPI
119 <
391 >      }      
392      }
393  
394 <    strcpy(checkPointMsg, "Dump file closed successfully.");
395 <    MPIcheckPoint();
394 >    for(int i = 0; i < size; ++i) {
395 >      switch(type[i]) {
396 >        
397 >        case 'p': {
398 >            Vector3d pos;
399 >            pos[0] = tokenizer.nextTokenAsDouble();
400 >            pos[1] = tokenizer.nextTokenAsDouble();
401 >            pos[2] = tokenizer.nextTokenAsDouble();
402 >            if (needPos_) {
403 >              sd->setPos(pos);
404 >            }            
405 >            break;
406 >        }
407 >        case 'v' : {
408 >            Vector3d vel;
409 >            vel[0] = tokenizer.nextTokenAsDouble();
410 >            vel[1] = tokenizer.nextTokenAsDouble();
411 >            vel[2] = tokenizer.nextTokenAsDouble();
412 >            if (needVel_) {
413 >              sd->setVel(vel);
414 >            }
415 >            break;
416 >        }
417  
418 < #endif
418 >        case 'q' : {
419 >           Quat4d q;
420 >           if (sd->isDirectional()) {
421 >              
422 >             q[0] = tokenizer.nextTokenAsDouble();
423 >             q[1] = tokenizer.nextTokenAsDouble();
424 >             q[2] = tokenizer.nextTokenAsDouble();
425 >             q[3] = tokenizer.nextTokenAsDouble();
426 >              
427 >             RealType qlen = q.length();
428 >             if (qlen < OpenMD::epsilon) { //check quaternion is not equal to 0
429 >                
430 >               sprintf(painCave.errMsg,
431 >                       "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2) ~ 0\n");
432 >               painCave.isFatal = 1;
433 >               simError();
434 >                
435 >             }  
436 >              
437 >             q.normalize();
438 >             if (needQuaternion_) {            
439 >               sd->setQ(q);
440 >             }              
441 >           }            
442 >           break;
443 >        }  
444 >        case 'j' : {
445 >          Vector3d ji;
446 >          if (sd->isDirectional()) {
447 >             ji[0] = tokenizer.nextTokenAsDouble();
448 >             ji[1] = tokenizer.nextTokenAsDouble();
449 >             ji[2] = tokenizer.nextTokenAsDouble();
450 >             if (needAngMom_) {
451 >               sd->setJ(ji);
452 >             }
453 >          }
454 >          break;
455 >        }  
456 >        case 'f': {
457  
458 <    return;
459 < }
458 >          Vector3d force;
459 >          force[0] = tokenizer.nextTokenAsDouble();
460 >          force[1] = tokenizer.nextTokenAsDouble();
461 >          force[2] = tokenizer.nextTokenAsDouble();          
462 >          sd->setFrc(force);
463 >          break;
464 >        }
465 >        case 't' : {
466  
467 < int DumpReader::getNFrames(void) {
467 >           Vector3d torque;
468 >           torque[0] = tokenizer.nextTokenAsDouble();
469 >           torque[1] = tokenizer.nextTokenAsDouble();
470 >           torque[2] = tokenizer.nextTokenAsDouble();          
471 >           sd->setTrq(torque);          
472 >           break;
473 >        }
474 >        case 'u' : {
475  
476 <    if (!isScanned_)
477 <        scanFile();
476 >           RealType particlePot;
477 >           particlePot = tokenizer.nextTokenAsDouble();
478 >           sd->setParticlePot(particlePot);          
479 >           break;
480 >        }
481 >        case 'c' : {
482  
483 <    return nframes_;
484 < }
483 >           RealType flucQPos;
484 >           flucQPos = tokenizer.nextTokenAsDouble();
485 >           sd->setFlucQPos(flucQPos);          
486 >           break;
487 >        }
488 >        case 'w' : {
489  
490 < void DumpReader::scanFile(void) {
491 <  int i, j;
492 <  int lineNum = 0;
493 <  char readBuffer[maxBufferSize];
494 <  fpos_t * currPos;
490 >           RealType flucQVel;
491 >           flucQVel = tokenizer.nextTokenAsDouble();
492 >           sd->setFlucQVel(flucQVel);          
493 >           break;
494 >        }
495 >        case 'g' : {
496  
497 < #ifdef IS_MPI
498 <
499 <    if (worldRank == 0) {
500 < #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();
497 >           RealType flucQFrc;
498 >           flucQFrc = tokenizer.nextTokenAsDouble();
499 >           sd->setFlucQFrc(flucQFrc);          
500 >           break;
501          }
502 +        case 'e' : {
503  
504 <        while (!feof(inFile_)) {
505 <            framePos_.push_back(currPos);
506 <
507 <            i = atoi(readBuffer);
508 <
509 <            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++;
504 >           Vector3d eField;
505 >           eField[0] = tokenizer.nextTokenAsDouble();
506 >           eField[1] = tokenizer.nextTokenAsDouble();
507 >           eField[2] = tokenizer.nextTokenAsDouble();          
508 >           sd->setElectricField(eField);          
509 >           break;
510          }
511 +        default: {
512 +               sprintf(painCave.errMsg,
513 +                       "DumpReader Error: %s is an unrecognized type\n", type.c_str());
514 +               painCave.isFatal = 1;
515 +               simError();
516 +          break;  
517 +        }
518  
519 <        delete currPos;
205 <        rewind(inFile_);
206 <        
207 <        nframes_ = framePos_.size();
208 < #ifdef IS_MPI
519 >      }
520      }
521 +    
522 +  }
523 +  
524  
525 <    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 <    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
525 >  void DumpReader::parseSiteLine(const std::string& line) {
526  
527 <    if (storageLayout & DataStorage::dslPosition) {
528 <        needPos_ = true;
529 <    } else {
530 <        needPos_ = false;
531 <    }
527 >    StringTokenizer tokenizer(line);
528 >    int nTokens;
529 >    
530 >    nTokens = tokenizer.countTokens();
531 >    
532 >    if (nTokens < 2) {  
533 >      sprintf(painCave.errMsg,
534 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
535 >      painCave.isFatal = 1;
536 >      simError();
537 >    }
538  
539 <    if (storageLayout & DataStorage::dslVelocity) {
540 <        needVel_ = true;
541 <    } else {
542 <        needVel_ = false;
539 >    /**
540 >     * The first token is the global integrable object index.
541 >     */
542 >
543 >    int index = tokenizer.nextTokenAsInt();
544 >    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
545 >    if (sd == NULL) {
546 >      return;
547      }
548  
549 <    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
550 <        needQuaternion_ = true;
551 <    } else {
552 <        needQuaternion_ = false;
549 >    /**
550 >     * Test to see if the next token is an integer or not.  If not,
551 >     * we've got data on the integrable object itself.  If there is an
552 >     * integer, we're parsing data for a site on a rigid body.
553 >     */
554 >
555 >    std::string indexTest = tokenizer.peekNextToken();
556 >    std::istringstream i(indexTest);
557 >    int siteIndex;
558 >    if (i >> siteIndex) {
559 >      // chew up this token and parse as an int:
560 >      siteIndex = tokenizer.nextTokenAsInt();
561 >      RigidBody* rb = static_cast<RigidBody*>(sd);
562 >      sd = rb->getAtoms()[siteIndex];
563      }
564  
565 <    if (storageLayout & DataStorage::dslAngularMomentum) {
566 <        needAngMom_ = true;
567 <    } else {
568 <        needAngMom_ = false;    
565 >    /**
566 >     * The next token contains information on what follows.
567 >     */
568 >    std::string type = tokenizer.nextToken();
569 >    int size = type.size();
570 >    
571 >    for(int i = 0; i < size; ++i) {
572 >      switch(type[i]) {
573 >        
574 >      case 'u' : {
575 >        
576 >        RealType particlePot;
577 >        particlePot = tokenizer.nextTokenAsDouble();
578 >        sd->setParticlePot(particlePot);
579 >        break;
580 >      }
581 >      case 'c' : {
582 >        
583 >        RealType flucQPos;
584 >        flucQPos = tokenizer.nextTokenAsDouble();
585 >        sd->setFlucQPos(flucQPos);
586 >        break;
587 >      }
588 >      case 'w' : {
589 >        
590 >        RealType flucQVel;
591 >        flucQVel = tokenizer.nextTokenAsDouble();
592 >        sd->setFlucQVel(flucQVel);
593 >        break;
594 >      }
595 >      case 'g' : {
596 >        
597 >        RealType flucQFrc;
598 >        flucQFrc = tokenizer.nextTokenAsDouble();
599 >        sd->setFlucQFrc(flucQFrc);
600 >        break;
601 >      }
602 >      case 'e' : {
603 >        
604 >        Vector3d eField;
605 >        eField[0] = tokenizer.nextTokenAsDouble();
606 >        eField[1] = tokenizer.nextTokenAsDouble();
607 >        eField[2] = tokenizer.nextTokenAsDouble();  
608 >        sd->setElectricField(eField);          
609 >        break;
610 >      }
611 >      default: {
612 >        sprintf(painCave.errMsg,
613 >                "DumpReader Error: %s is an unrecognized type\n", type.c_str());
614 >        painCave.isFatal = 1;
615 >        simError();
616 >        break;  
617 >      }
618 >      }
619 >    }    
620 >  }
621 >  
622 >  
623 >  void  DumpReader::readStuntDoubles(std::istream& inputStream) {
624 >    
625 >    inputStream.getline(buffer, bufferSize);
626 >    std::string line(buffer);
627 >    
628 >    if (line.find("<StuntDoubles>") == std::string::npos) {
629 >      sprintf(painCave.errMsg,
630 >              "DumpReader Error: Missing <StuntDoubles>\n");
631 >      painCave.isFatal = 1;
632 >      simError();
633      }
634  
635 <    readSet(whichFrame);
636 < }
635 >    while(inputStream.getline(buffer, bufferSize)) {
636 >      line = buffer;
637 >      
638 >      if(line.find("</StuntDoubles>") != std::string::npos) {
639 >        break;
640 >      }
641  
642 < void DumpReader::readSet(int whichFrame) {
643 <  int i;
644 <  int nTotObjs;                  // the number of atoms
645 <  char read_buffer[maxBufferSize];  //the line buffer for reading
255 <  char * eof_test;               // ptr to see when we reach the end of the file
642 >      parseDumpLine(line);
643 >    }
644 >  
645 >  }
646  
647 <  Molecule* mol;
258 <  StuntDouble* integrableObject;
259 <  SimInfo::MoleculeIterator mi;
260 <  Molecule::IntegrableObjectIterator ii;
647 >  void  DumpReader::readSiteData(std::istream& inputStream) {
648  
649 < #ifndef IS_MPI
650 <
651 <    fsetpos(inFile_, framePos_[whichFrame]);
652 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
653 <
654 <    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();
649 >    inputStream.getline(buffer, bufferSize);
650 >    std::string line(buffer);
651 >    
652 >    if (line.find("<SiteData>") == std::string::npos) {
653 >      // site data isn't required for a simulation, so skip
654 >      return;
655      }
656  
657 <    nTotObjs = atoi(read_buffer);
657 >    while(inputStream.getline(buffer, bufferSize)) {
658 >      line = buffer;
659 >      
660 >      if(line.find("</SiteData>") != std::string::npos) {
661 >        break;
662 >      }
663  
664 <    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();
664 >      parseSiteLine(line);
665      }
666 +  
667 +  }
668  
669 <    //read the box mat from the comment line
669 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
670  
671 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
671 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
672 >    inputStream.getline(buffer, bufferSize);
673 >    std::string line(buffer);
674  
675 <    if (eof_test == NULL) {
676 <        sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
677 <                filename_.c_str());
678 <        painCave.isFatal = 1;
679 <        simError();
675 >    if (line.find("<FrameData>") == std::string::npos) {
676 >      sprintf(painCave.errMsg,
677 >              "DumpReader Error: Missing <FrameData>\n");
678 >      painCave.isFatal = 1;
679 >      simError();
680      }
681  
682 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
682 >    while(inputStream.getline(buffer, bufferSize)) {
683 >      line = buffer;
684 >      
685 >      if(line.find("</FrameData>") != std::string::npos) {
686 >        break;
687 >      }
688 >      
689 >      StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
690 >      if (!tokenizer.hasMoreTokens()) {
691 >        sprintf(painCave.errMsg,
692 >                "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
693 >        painCave.isFatal = 1;
694 >        simError();      
695 >      }
696  
697 <    //parse dump lines
698 <
699 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
700 <
701 <        for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
702 <            integrableObject = mol->nextIntegrableObject(ii)) {          
703 <
704 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
705 <
706 <            if (eof_test == NULL) {
707 <                sprintf(painCave.errMsg,
708 <                        "DumpReader Error: error in reading file %s\n"
709 <                            "natoms  = %d; index = %d\n"
710 <                            "error reading the line from the file.\n",
711 <                        filename_.c_str(),
712 <                        nTotObjs,
713 <                        i);
714 <
715 <                painCave.isFatal = 1;
716 <                simError();
717 <            }
718 <
719 <            parseDumpLine(read_buffer, integrableObject);
720 <            
721 <            }
697 >      std::string propertyName = tokenizer.nextToken();
698 >      if (propertyName == "Time") {
699 >        RealType currTime = tokenizer.nextTokenAsDouble();
700 >        s->setTime(currTime);
701 >      } else if (propertyName == "Hmat"){
702 >        Mat3x3d hmat;
703 >        hmat(0, 0) = tokenizer.nextTokenAsDouble();
704 >        hmat(0, 1) = tokenizer.nextTokenAsDouble();
705 >        hmat(0, 2) = tokenizer.nextTokenAsDouble();
706 >        hmat(1, 0) = tokenizer.nextTokenAsDouble();
707 >        hmat(1, 1) = tokenizer.nextTokenAsDouble();
708 >        hmat(1, 2) = tokenizer.nextTokenAsDouble();
709 >        hmat(2, 0) = tokenizer.nextTokenAsDouble();
710 >        hmat(2, 1) = tokenizer.nextTokenAsDouble();
711 >        hmat(2, 2) = tokenizer.nextTokenAsDouble();
712 >        s->setHmat(hmat);      
713 >      } else if (propertyName == "Thermostat") {
714 >        pair<RealType, RealType> thermostat;
715 >        thermostat.first = tokenizer.nextTokenAsDouble();
716 >        thermostat.second = tokenizer.nextTokenAsDouble();
717 >        s->setThermostat(thermostat);
718 >     } else if (propertyName == "Barostat") {
719 >        Mat3x3d eta;
720 >        eta(0, 0) = tokenizer.nextTokenAsDouble();
721 >        eta(0, 1) = tokenizer.nextTokenAsDouble();
722 >        eta(0, 2) = tokenizer.nextTokenAsDouble();
723 >        eta(1, 0) = tokenizer.nextTokenAsDouble();
724 >        eta(1, 1) = tokenizer.nextTokenAsDouble();
725 >        eta(1, 2) = tokenizer.nextTokenAsDouble();
726 >        eta(2, 0) = tokenizer.nextTokenAsDouble();
727 >        eta(2, 1) = tokenizer.nextTokenAsDouble();
728 >        eta(2, 2) = tokenizer.nextTokenAsDouble();
729 >        s->setBarostat(eta);
730 >      } else {
731 >        sprintf(painCave.errMsg,
732 >                "DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
733 >        painCave.isFatal = 0;
734 >        simError();        
735 >      }
736 >      
737      }
738  
739 <    // MPI Section of code..........
739 >  }
740  
741 < #else //IS_MPI
742 <
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_);
351 <
352 <        if (eof_test == NULL) {
353 <            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
741 >  
742 > }//end namespace OpenMD

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 398 by tim, Mon Mar 7 22:39:33 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (property svn:keywords), Revision 1794 by gezelter, Thu Sep 6 19:44:06 2012 UTC

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