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root/OpenMD/branches/development/src/io/DumpReader.cpp
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trunk/src/io/DumpReader.cpp (file contents), Revision 274 by tim, Tue Jan 25 21:59:18 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 <        }
313 <
314 < #ifdef IS_MPI
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 <    }
319 >    //read StuntDoubles
320 >    readStuntDoubles(inputStream);    
321  
322 <    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
323 <    MPIcheckPoint();
322 >    inputStream.getline(buffer, bufferSize);
323 >    line = buffer;
324  
325 < #endif
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 <    return;
341 < }
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 < DumpReader::~DumpReader() {
353 >    int index = tokenizer.nextTokenAsInt();
354 >
355 >    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
356  
357 < #ifdef IS_MPI
357 >    if (sd == NULL) {
358 >      return;
359 >    }
360 >    std::string type = tokenizer.nextToken();
361 >    int size = type.size();
362  
363 <    if (worldRank == 0) {
364 < #endif
365 <
366 <        int error;
367 <        error = fclose(inFile_);
368 <
369 <        if (error) {
370 <            sprintf(painCave.errMsg, "DumpReader Error: Error closing %s\n", filename_.c_str());
371 <            painCave.isFatal = 1;            
372 <            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();
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 < #endif // is_mpi
536 >    /**
537 >     * The first token is the global integrable object index.
538 >     */
539  
540 <    isScanned_ = true;
541 < }
540 >    int index = tokenizer.nextTokenAsInt();
541 >    StuntDouble* sd = info_->getIOIndexToIntegrableObject(index);
542 >    if (sd == NULL) {
543 >      return;
544 >    }
545  
546 < void DumpReader::readFrame(int whichFrame) {
547 <    readSet(whichFrame);
548 < }
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 < void DumpReader::readSet(int whichFrame) {
553 <  int i;
554 <  int nTotObjs;                  // the number of atoms
555 <  char read_buffer[maxBufferSize];  //the line buffer for reading
556 <  char * eof_test;               // ptr to see when we reach the end of the file
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 <  Molecule* mol;
563 <  StuntDouble* integrableObject;
564 <  SimInfo::MoleculeIterator mi;
565 <  Molecule::IntegrableObjectIterator ii;
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 < #ifndef IS_MPI
632 >    while(inputStream.getline(buffer, bufferSize)) {
633 >      line = buffer;
634 >      
635 >      if(line.find("</StuntDoubles>") != std::string::npos) {
636 >        break;
637 >      }
638  
639 <    fsetpos(inFile_, framePos_[whichFrame]);
239 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
240 <
241 <    if (eof_test == NULL) {
242 <        sprintf(painCave.errMsg,
243 <                "DumpReader error: error reading 1st line of \"%s\"\n",
244 <                filename_.c_str());
245 <        painCave.isFatal = 1;
246 <        simError();
639 >      parseDumpLine(line);
640      }
641 +  
642 +  }
643  
644 <    nTotObjs = atoi(read_buffer);
644 >  void  DumpReader::readSiteData(std::istream& inputStream) {
645  
646 <    if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
647 <        sprintf(painCave.errMsg,
648 <                "DumpReader error. %s nIntegrable, %d, "
649 <                    "does not match the meta-data file's nIntegrable, %d.\n",
650 <                filename_.c_str(),
651 <                nTotObjs,
257 <                info_->getNGlobalIntegrableObjects());
258 <
259 <        painCave.isFatal = 1;
260 <        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 <    //read the box mat from the comment line
654 >    while(inputStream.getline(buffer, bufferSize)) {
655 >      line = buffer;
656 >      
657 >      if(line.find("</SiteData>") != std::string::npos) {
658 >        break;
659 >      }
660  
661 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
266 <
267 <    if (eof_test == NULL) {
268 <        sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
269 <                filename_.c_str());
270 <        painCave.isFatal = 1;
271 <        simError();
661 >      parseSiteLine(line);
662      }
663 +  
664 +  }
665  
666 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
666 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
667  
668 <    //parse dump lines
668 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
669 >    inputStream.getline(buffer, bufferSize);
670 >    std::string line(buffer);
671  
672 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
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 <        for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
680 <            integrableObject = mol->nextIntegrableObject(ii)) {          
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 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
695 <
696 <            if (eof_test == NULL) {
697 <                sprintf(painCave.errMsg,
698 <                        "DumpReader Error: error in reading file %s\n"
699 <                            "natoms  = %d; index = %d\n"
700 <                            "error reading the line from the file.\n",
701 <                        filename_.c_str(),
702 <                        nTotObjs,
703 <                        i);
704 <
705 <                painCave.isFatal = 1;
706 <                simError();
707 <            }
708 <
709 <            parseDumpLine(read_buffer, integrableObject);
710 <            
711 <            }
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..........
304 <
305 < #else //IS_MPI
306 <
307 <    // first thing first, suspend fatalities.
308 <    int masterNode = 0;
309 <    int nCurObj;
310 <    painCave.isEventLoop = 1;
311 <
312 <    int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone
313 <    int haveError;
314 <
315 <    MPI_Status istatus;
316 <    int nitems;
317 <
318 <    nTotObjs = info_->getNGlobalIntegrableObjects();
319 <    haveError = 0;
320 <
321 <    if (worldRank == masterNode) {
322 <        fsetpos(inFile_, framePos_[whichFrame]);
323 <
324 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
325 <
326 <        if (eof_test == NULL) {
327 <            sprintf(painCave.errMsg, "DumpReader Error: Error reading 1st line of %s \n ",
328 <                    filename_.c_str());
329 <            painCave.isFatal = 1;
330 <            simError();
331 <        }
736 >  }
737  
738 <        nitems = atoi(read_buffer);
739 <
335 <        // Check to see that the number of integrable objects in the
336 <        // intial configuration file is the same as derived from the
337 <        // meta-data file.
338 <
339 <        if (nTotObjs != nitems) {
340 <            sprintf(painCave.errMsg,
341 <                    "DumpReader Error. %s nIntegrable, %d, "
342 <                        "does not match the meta-data file's nIntegrable, %d.\n",
343 <                    filename_.c_str(),
344 <                    nTotObjs,
345 <                    info_->getNGlobalIntegrableObjects());
346 <
347 <            painCave.isFatal = 1;
348 <            simError();
349 <        }
350 <
351 <        //read the boxMat from the comment line
352 <
353 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
354 <
355 <        if (eof_test == NULL) {
356 <            sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
357 <                    filename_.c_str());
358 <            painCave.isFatal = 1;
359 <            simError();
360 <        }
361 <
362 <        //Every single processor will parse the comment line by itself
363 <        //By using this way, we might lose some efficiency, but if we want to add
364 <        //more parameters into comment line, we only need to modify function
365 <        //parseCommentLine
366 <
367 <        MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
368 <        parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
369 <
370 <        for(i = 0; i < info_->getNGlobalMolecules(); i++) {
371 <            int which_node = info_->getMolToProc(i);
372 <
373 <            if (which_node == masterNode) {
374 <                //molecules belong to master node
375 <
376 <                mol = info_->getMoleculeByGlobalIndex(i);
377 <
378 <                if (mol == NULL) {
379 <                    sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
380 <                        painCave.isFatal = 1;
381 <                    simError();
382 <                }
383 <
384 <                for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
385 <                       integrableObject = mol->nextIntegrableObject(ii)){
386 <                        
387 <                    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
388 <
389 <                    if (eof_test == NULL) {
390 <                        sprintf(painCave.errMsg,
391 <                                "DumpReader Error: error in reading file %s\n"
392 <                                    "natoms  = %d; index = %d\n"
393 <                                    "error reading the line from the file.\n",
394 <                                filename_.c_str(),
395 <                                nTotObjs,
396 <                                i);
397 <
398 <                        painCave.isFatal = 1;
399 <                        simError();
400 <                    }
401 <
402 <                    parseDumpLine(read_buffer, integrableObject);
403 <                }
404 <            } else {
405 <                //molecule belongs to slave nodes
406 <
407 <                MPI_Recv(&nCurObj, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT,
408 <                         MPI_COMM_WORLD, &istatus);
409 <
410 <                for(int j = 0; j < nCurObj; j++) {
411 <                    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
412 <
413 <                    if (eof_test == NULL) {
414 <                        sprintf(painCave.errMsg,
415 <                                "DumpReader Error: error in reading file %s\n"
416 <                                    "natoms  = %d; index = %d\n"
417 <                                    "error reading the line from the file.\n",
418 <                                filename_.c_str(),
419 <                                nTotObjs,
420 <                                i);
421 <
422 <                        painCave.isFatal = 1;
423 <                        simError();
424 <                    }
425 <                    
426 <                    MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node,
427 <                             TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD);
428 <                }
429 <            }
430 <        }
431 <    } else {
432 <        //actions taken at slave nodes
433 <        MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
434 <
435 <        /**@todo*/
436 <        parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
437 <
438 <        for(i = 0; i < info_->getNGlobalMolecules(); i++) {
439 <            int which_node = info_->getMolToProc(i);
440 <
441 <            if (which_node == worldRank) {
442 <                //molecule with global index i belongs to this processor
443 <                
444 <                mol = info_->getMoleculeByGlobalIndex(i);
445 <                if (mol == NULL) {
446 <                    sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
447 <                    painCave.isFatal = 1;
448 <                    simError();
449 <                }
450 <                
451 <                nCurObj = mol->getNIntegrableObjects();
452 <
453 <                MPI_Send(&nCurObj, 1, MPI_INT, masterNode, TAKE_THIS_TAG_INT,
454 <                         MPI_COMM_WORLD);
455 <
456 <                for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
457 <                       integrableObject = mol->nextIntegrableObject(ii)){
458 <                        
459 <                    MPI_Recv(read_buffer, maxBufferSize, MPI_CHAR, masterNode,
460 <                             TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus);
461 <
462 <                    parseDumpLine(read_buffer, integrableObject);
463 <                }
464 <                      
465 <            }
466 <            
467 <        }
468 <        
469 <    }
470 <
471 < #endif
472 <
473 < }
474 <
475 < void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) {
476 <
477 <    Vector3d pos;  // position place holders
478 <    Vector3d vel;  // velocity placeholders
479 <    Quat4d q;    // the quaternions
480 <    Vector3d ji;   // angular velocity placeholders;
481 <    StringTokenizer tokenizer(line);
482 <    int nTokens;
483 <    
484 <    nTokens = tokenizer.countTokens();
485 <
486 <    if (nTokens < 14) {
487 <            sprintf(painCave.errMsg,
488 <                    "DumpReader Error: Not enough Tokens.\n");
489 <            painCave.isFatal = 1;
490 <            simError();
491 <    }
492 <
493 <    std::string name = tokenizer.nextToken();
494 <
495 <    if (name != integrableObject->getType()) {
496 <
497 <            sprintf(painCave.errMsg,
498 <                    "DumpReader Error: Atom type [%s] in %s does not match Atom Type [%s] in .md file.\n",
499 <                    name.c_str(), filename_.c_str(), integrableObject->getType().c_str());
500 <            painCave.isFatal = 1;
501 <            simError();        
502 <    }
503 <
504 <    pos[0] = tokenizer.nextTokenAsDouble();
505 <    pos[1] = tokenizer.nextTokenAsDouble();
506 <    pos[2] = tokenizer.nextTokenAsDouble();
507 <    integrableObject->setPos(pos);
508 <    
509 <    vel[0] = tokenizer.nextTokenAsDouble();
510 <    vel[1] = tokenizer.nextTokenAsDouble();
511 <    vel[2] = tokenizer.nextTokenAsDouble();
512 <    integrableObject->setVel(vel);
513 <
514 <    if (integrableObject->isDirectional()) {
515 <        
516 <        q[0] = tokenizer.nextTokenAsDouble();
517 <        q[1] = tokenizer.nextTokenAsDouble();
518 <        q[2] = tokenizer.nextTokenAsDouble();
519 <        q[3] = tokenizer.nextTokenAsDouble();
520 <
521 <        double qlen = q.length();
522 <        if (qlen < oopse::epsilon) { //check quaternion is not equal to 0
523 <            
524 <            sprintf(painCave.errMsg,
525 <                    "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2 ~ 0).\n");
526 <            painCave.isFatal = 1;
527 <            simError();
528 <            
529 <        }
530 <
531 <        q.normalize();
532 <              
533 <        integrableObject->setQ(q);
534 <        
535 <        ji[0] = tokenizer.nextTokenAsDouble();
536 <        ji[1] = tokenizer.nextTokenAsDouble();
537 <        ji[2] = tokenizer.nextTokenAsDouble();
538 <        integrableObject->setJ(ji);
539 <    }
540 <
541 < }
542 <
543 <
544 < void DumpReader::parseCommentLine(char* line, Snapshot* s) {
545 <    double currTime;
546 <    Mat3x3d hmat;
547 <    double chi;
548 <    double integralOfChiDt;
549 <    Mat3x3d eta;
550 <
551 <    StringTokenizer tokenizer(line);
552 <    int nTokens;
553 <
554 <    nTokens = tokenizer.countTokens();
555 <
556 <    //comment line should at least contain 10 tokens: current time(1 token) and  h-matrix(9 tokens)
557 <    if (nTokens < 10) {
558 <            sprintf(painCave.errMsg,
559 <                    "DumpReader Error: Not enough tokens in comment line: %s", line);
560 <            painCave.isFatal = 1;
561 <            simError();  
562 <    }
563 <
564 <    //read current time
565 <    currTime = tokenizer.nextTokenAsDouble();
566 <    s->setTime(currTime);
567 <    
568 <    //read h-matrix
569 <    hmat(0, 0) = tokenizer.nextTokenAsDouble();
570 <    hmat(0, 1) = tokenizer.nextTokenAsDouble();
571 <    hmat(0, 2) = tokenizer.nextTokenAsDouble();
572 <    hmat(1, 0) = tokenizer.nextTokenAsDouble();
573 <    hmat(1, 1) = tokenizer.nextTokenAsDouble();
574 <    hmat(1, 2) = tokenizer.nextTokenAsDouble();
575 <    hmat(2, 0) = tokenizer.nextTokenAsDouble();
576 <    hmat(2, 1) = tokenizer.nextTokenAsDouble();
577 <    hmat(2, 2) = tokenizer.nextTokenAsDouble();
578 <    s->setHmat(hmat);
579 <    
580 <    //read chi and integrablOfChidt, they should apprear in pair
581 <    if (tokenizer.countTokens() >= 2) {
582 <        chi = tokenizer.nextTokenAsDouble();
583 <        integralOfChiDt = tokenizer.nextTokenAsDouble();            
584 <
585 <        s->setChi(chi);
586 <        s->setIntegralOfChiDt(integralOfChiDt);
587 <    }
588 <    
589 <    //read eta (eta is 3x3 matrix)
590 <    if (tokenizer.countTokens() >= 9) {
591 <        eta(0, 0) = tokenizer.nextTokenAsDouble();
592 <        eta(0, 1) = tokenizer.nextTokenAsDouble();
593 <        eta(0, 2) = tokenizer.nextTokenAsDouble();
594 <        eta(1, 0) = tokenizer.nextTokenAsDouble();
595 <        eta(1, 1) = tokenizer.nextTokenAsDouble();
596 <        eta(1, 2) = tokenizer.nextTokenAsDouble();
597 <        eta(2, 0) = tokenizer.nextTokenAsDouble();
598 <        eta(2, 1) = tokenizer.nextTokenAsDouble();
599 <        eta(2, 2) = tokenizer.nextTokenAsDouble();      
600 <
601 <        s->setEta(eta);
602 <    }
603 <
604 <    
605 < }
606 <
607 < }//end namespace oopse
738 >  
739 > }//end namespace OpenMD

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 274 by tim, Tue Jan 25 21:59:18 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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