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root/OpenMD/branches/development/src/io/DumpWriter.cpp
Revision: 1764
Committed: Tue Jul 3 18:32:27 2012 UTC (12 years, 9 months ago) by gezelter
File size: 20850 byte(s)
Log Message:
Refactored Snapshot and Stats to use the Accumulator classes.  Collected
a number of methods into Thermo that belonged there.

File Contents

# Content
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. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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.
16 *
17 * This software is provided "AS IS," without a warranty of any
18 * kind. All express or implied conditions, representations and
19 * warranties, including any implied warranty of merchantability,
20 * fitness for a particular purpose or non-infringement, are hereby
21 * excluded. The University of Notre Dame and its licensors shall not
22 * be liable for any damages suffered by licensee as a result of
23 * using, modifying or distributing the software or its
24 * derivatives. In no event will the University of Notre Dame or its
25 * licensors be liable for any lost revenue, profit or data, or for
26 * direct, indirect, special, consequential, incidental or punitive
27 * damages, however caused and regardless of the theory of liability,
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 #include "io/DumpWriter.hpp"
44 #include "primitives/Molecule.hpp"
45 #include "utils/simError.h"
46 #include "io/basic_teebuf.hpp"
47 #include "io/gzstream.hpp"
48 #include "io/Globals.hpp"
49
50
51 #ifdef IS_MPI
52 #include <mpi.h>
53 #endif
54
55 using namespace std;
56 namespace OpenMD {
57
58 DumpWriter::DumpWriter(SimInfo* info)
59 : info_(info), filename_(info->getDumpFileName()), eorFilename_(info->getFinalConfigFileName()){
60
61 Globals* simParams = info->getSimParams();
62 needCompression_ = simParams->getCompressDumpFile();
63 needForceVector_ = simParams->getOutputForceVector();
64 needParticlePot_ = simParams->getOutputParticlePotential();
65 needFlucQ_ = simParams->getOutputFluctuatingCharges();
66 needElectricField_ = simParams->getOutputElectricField();
67
68 if (needParticlePot_ || needFlucQ_ || needElectricField_) {
69 doSiteData_ = true;
70 } else {
71 doSiteData_ = false;
72 }
73
74 createDumpFile_ = true;
75 #ifdef HAVE_LIBZ
76 if (needCompression_) {
77 filename_ += ".gz";
78 eorFilename_ += ".gz";
79 }
80 #endif
81
82 #ifdef IS_MPI
83
84 if (worldRank == 0) {
85 #endif // is_mpi
86
87 dumpFile_ = createOStream(filename_);
88
89 if (!dumpFile_) {
90 sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
91 filename_.c_str());
92 painCave.isFatal = 1;
93 simError();
94 }
95
96 #ifdef IS_MPI
97
98 }
99
100 #endif // is_mpi
101
102 }
103
104
105 DumpWriter::DumpWriter(SimInfo* info, const std::string& filename)
106 : info_(info), filename_(filename){
107
108 Globals* simParams = info->getSimParams();
109 eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
110
111 needCompression_ = simParams->getCompressDumpFile();
112 needForceVector_ = simParams->getOutputForceVector();
113 needParticlePot_ = simParams->getOutputParticlePotential();
114 needFlucQ_ = simParams->getOutputFluctuatingCharges();
115 needElectricField_ = simParams->getOutputElectricField();
116
117 if (needParticlePot_ || needFlucQ_ || needElectricField_) {
118 doSiteData_ = true;
119 } else {
120 doSiteData_ = false;
121 }
122
123 createDumpFile_ = true;
124 #ifdef HAVE_LIBZ
125 if (needCompression_) {
126 filename_ += ".gz";
127 eorFilename_ += ".gz";
128 }
129 #endif
130
131 #ifdef IS_MPI
132
133 if (worldRank == 0) {
134 #endif // is_mpi
135
136
137 dumpFile_ = createOStream(filename_);
138
139 if (!dumpFile_) {
140 sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
141 filename_.c_str());
142 painCave.isFatal = 1;
143 simError();
144 }
145
146 #ifdef IS_MPI
147
148 }
149
150 #endif // is_mpi
151
152 }
153
154 DumpWriter::DumpWriter(SimInfo* info, const std::string& filename, bool writeDumpFile)
155 : info_(info), filename_(filename){
156
157 Globals* simParams = info->getSimParams();
158 eorFilename_ = filename_.substr(0, filename_.rfind(".")) + ".eor";
159
160 needCompression_ = simParams->getCompressDumpFile();
161 needForceVector_ = simParams->getOutputForceVector();
162 needParticlePot_ = simParams->getOutputParticlePotential();
163 needFlucQ_ = simParams->getOutputFluctuatingCharges();
164 needElectricField_ = simParams->getOutputElectricField();
165
166 if (needParticlePot_ || needFlucQ_ || needElectricField_) {
167 doSiteData_ = true;
168 } else {
169 doSiteData_ = false;
170 }
171
172 #ifdef HAVE_LIBZ
173 if (needCompression_) {
174 filename_ += ".gz";
175 eorFilename_ += ".gz";
176 }
177 #endif
178
179 #ifdef IS_MPI
180
181 if (worldRank == 0) {
182 #endif // is_mpi
183
184 createDumpFile_ = writeDumpFile;
185 if (createDumpFile_) {
186 dumpFile_ = createOStream(filename_);
187
188 if (!dumpFile_) {
189 sprintf(painCave.errMsg, "Could not open \"%s\" for dump output.\n",
190 filename_.c_str());
191 painCave.isFatal = 1;
192 simError();
193 }
194 }
195 #ifdef IS_MPI
196
197 }
198
199
200 #endif // is_mpi
201
202 }
203
204 DumpWriter::~DumpWriter() {
205
206 #ifdef IS_MPI
207
208 if (worldRank == 0) {
209 #endif // is_mpi
210 if (createDumpFile_){
211 writeClosing(*dumpFile_);
212 delete dumpFile_;
213 }
214 #ifdef IS_MPI
215
216 }
217
218 #endif // is_mpi
219
220 }
221
222 void DumpWriter::writeFrameProperties(std::ostream& os, Snapshot* s) {
223
224 char buffer[1024];
225
226 os << " <FrameData>\n";
227
228 RealType currentTime = s->getTime();
229
230 if (isinf(currentTime) || isnan(currentTime)) {
231 sprintf( painCave.errMsg,
232 "DumpWriter detected a numerical error writing the time");
233 painCave.isFatal = 1;
234 simError();
235 }
236
237 sprintf(buffer, " Time: %.10g\n", currentTime);
238 os << buffer;
239
240 Mat3x3d hmat;
241 hmat = s->getHmat();
242
243 for (unsigned int i = 0; i < 3; i++) {
244 for (unsigned int j = 0; j < 3; j++) {
245 if (isinf(hmat(i,j)) || isnan(hmat(i,j))) {
246 sprintf( painCave.errMsg,
247 "DumpWriter detected a numerical error writing the box");
248 painCave.isFatal = 1;
249 simError();
250 }
251 }
252 }
253
254 sprintf(buffer, " Hmat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
255 hmat(0, 0), hmat(1, 0), hmat(2, 0),
256 hmat(0, 1), hmat(1, 1), hmat(2, 1),
257 hmat(0, 2), hmat(1, 2), hmat(2, 2));
258 os << buffer;
259
260 pair<RealType, RealType> thermostat = s->getThermostat();
261
262 if (isinf(thermostat.first) || isnan(thermostat.first) ||
263 isinf(thermostat.second) || isnan(thermostat.second)) {
264 sprintf( painCave.errMsg,
265 "DumpWriter detected a numerical error writing the thermostat");
266 painCave.isFatal = 1;
267 simError();
268 }
269 sprintf(buffer, " Thermostat: %.10g , %.10g\n", thermostat.first,
270 thermostat.second);
271 os << buffer;
272
273 Mat3x3d eta;
274 eta = s->getBarostat();
275
276 for (unsigned int i = 0; i < 3; i++) {
277 for (unsigned int j = 0; j < 3; j++) {
278 if (isinf(eta(i,j)) || isnan(eta(i,j))) {
279 sprintf( painCave.errMsg,
280 "DumpWriter detected a numerical error writing the barostat");
281 painCave.isFatal = 1;
282 simError();
283 }
284 }
285 }
286
287 sprintf(buffer, " Barostat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
288 eta(0, 0), eta(1, 0), eta(2, 0),
289 eta(0, 1), eta(1, 1), eta(2, 1),
290 eta(0, 2), eta(1, 2), eta(2, 2));
291 os << buffer;
292
293 os << " </FrameData>\n";
294 }
295
296 void DumpWriter::writeFrame(std::ostream& os) {
297
298 #ifdef IS_MPI
299 MPI_Status istatus;
300 #endif
301
302 Molecule* mol;
303 StuntDouble* integrableObject;
304 SimInfo::MoleculeIterator mi;
305 Molecule::IntegrableObjectIterator ii;
306 RigidBody::AtomIterator ai;
307 Atom* atom;
308
309 #ifndef IS_MPI
310 os << " <Snapshot>\n";
311
312 writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
313
314 os << " <StuntDoubles>\n";
315 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
316
317
318 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
319 integrableObject = mol->nextIntegrableObject(ii)) {
320 os << prepareDumpLine(integrableObject);
321
322 }
323 }
324 os << " </StuntDoubles>\n";
325
326 if (doSiteData_) {
327 os << " <SiteData>\n";
328 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
329
330 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
331 integrableObject = mol->nextIntegrableObject(ii)) {
332
333 int ioIndex = integrableObject->getGlobalIntegrableObjectIndex();
334 // do one for the IO itself
335 os << prepareSiteLine(integrableObject, ioIndex, 0);
336
337 if (integrableObject->isRigidBody()) {
338
339 RigidBody* rb = static_cast<RigidBody*>(integrableObject);
340 int siteIndex = 0;
341 for (atom = rb->beginAtom(ai); atom != NULL;
342 atom = rb->nextAtom(ai)) {
343 os << prepareSiteLine(atom, ioIndex, siteIndex);
344 siteIndex++;
345 }
346 }
347 }
348 }
349 os << " </SiteData>\n";
350 }
351 os << " </Snapshot>\n";
352
353 os.flush();
354 #else
355 //every node prepares the dump lines for integrable objects belong to itself
356 std::string buffer;
357 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
358
359
360 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
361 integrableObject = mol->nextIntegrableObject(ii)) {
362 buffer += prepareDumpLine(integrableObject);
363 }
364 }
365
366 const int masterNode = 0;
367 int nProc;
368 MPI_Comm_size(MPI_COMM_WORLD, &nProc);
369 if (worldRank == masterNode) {
370 os << " <Snapshot>\n";
371 writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
372 os << " <StuntDoubles>\n";
373
374 os << buffer;
375
376 for (int i = 1; i < nProc; ++i) {
377
378 // receive the length of the string buffer that was
379 // prepared by processor i
380
381 MPI_Bcast(&i, 1, MPI_INT,masterNode,MPI_COMM_WORLD);
382 int recvLength;
383 MPI_Recv(&recvLength, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &istatus);
384 char* recvBuffer = new char[recvLength];
385 if (recvBuffer == NULL) {
386 } else {
387 MPI_Recv(recvBuffer, recvLength, MPI_CHAR, i, 0, MPI_COMM_WORLD, &istatus);
388 os << recvBuffer;
389 delete [] recvBuffer;
390 }
391 }
392 os << " </StuntDoubles>\n";
393
394 os << " </Snapshot>\n";
395 os.flush();
396 } else {
397 int sendBufferLength = buffer.size() + 1;
398 int myturn = 0;
399 for (int i = 1; i < nProc; ++i){
400 MPI_Bcast(&myturn,1, MPI_INT,masterNode,MPI_COMM_WORLD);
401 if (myturn == worldRank){
402 MPI_Send(&sendBufferLength, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD);
403 MPI_Send((void *)buffer.c_str(), sendBufferLength, MPI_CHAR, masterNode, 0, MPI_COMM_WORLD);
404 }
405 }
406 }
407
408 #endif // is_mpi
409
410 }
411
412 std::string DumpWriter::prepareDumpLine(StuntDouble* integrableObject) {
413
414 int index = integrableObject->getGlobalIntegrableObjectIndex();
415 std::string type("pv");
416 std::string line;
417 char tempBuffer[4096];
418
419 Vector3d pos;
420 Vector3d vel;
421 pos = integrableObject->getPos();
422
423 if (isinf(pos[0]) || isnan(pos[0]) ||
424 isinf(pos[1]) || isnan(pos[1]) ||
425 isinf(pos[2]) || isnan(pos[2]) ) {
426 sprintf( painCave.errMsg,
427 "DumpWriter detected a numerical error writing the position"
428 " for object %d", index);
429 painCave.isFatal = 1;
430 simError();
431 }
432
433 vel = integrableObject->getVel();
434
435 if (isinf(vel[0]) || isnan(vel[0]) ||
436 isinf(vel[1]) || isnan(vel[1]) ||
437 isinf(vel[2]) || isnan(vel[2]) ) {
438 sprintf( painCave.errMsg,
439 "DumpWriter detected a numerical error writing the velocity"
440 " for object %d", index);
441 painCave.isFatal = 1;
442 simError();
443 }
444
445 sprintf(tempBuffer, "%18.10g %18.10g %18.10g %13e %13e %13e",
446 pos[0], pos[1], pos[2],
447 vel[0], vel[1], vel[2]);
448 line += tempBuffer;
449
450 if (integrableObject->isDirectional()) {
451 type += "qj";
452 Quat4d q;
453 Vector3d ji;
454 q = integrableObject->getQ();
455
456 if (isinf(q[0]) || isnan(q[0]) ||
457 isinf(q[1]) || isnan(q[1]) ||
458 isinf(q[2]) || isnan(q[2]) ||
459 isinf(q[3]) || isnan(q[3]) ) {
460 sprintf( painCave.errMsg,
461 "DumpWriter detected a numerical error writing the quaternion"
462 " for object %d", index);
463 painCave.isFatal = 1;
464 simError();
465 }
466
467 ji = integrableObject->getJ();
468
469 if (isinf(ji[0]) || isnan(ji[0]) ||
470 isinf(ji[1]) || isnan(ji[1]) ||
471 isinf(ji[2]) || isnan(ji[2]) ) {
472 sprintf( painCave.errMsg,
473 "DumpWriter detected a numerical error writing the angular"
474 " momentum for object %d", index);
475 painCave.isFatal = 1;
476 simError();
477 }
478
479 sprintf(tempBuffer, " %13e %13e %13e %13e %13e %13e %13e",
480 q[0], q[1], q[2], q[3],
481 ji[0], ji[1], ji[2]);
482 line += tempBuffer;
483 }
484
485 if (needForceVector_) {
486 type += "f";
487 Vector3d frc = integrableObject->getFrc();
488 if (isinf(frc[0]) || isnan(frc[0]) ||
489 isinf(frc[1]) || isnan(frc[1]) ||
490 isinf(frc[2]) || isnan(frc[2]) ) {
491 sprintf( painCave.errMsg,
492 "DumpWriter detected a numerical error writing the force"
493 " for object %d", index);
494 painCave.isFatal = 1;
495 simError();
496 }
497 sprintf(tempBuffer, " %13e %13e %13e",
498 frc[0], frc[1], frc[2]);
499 line += tempBuffer;
500
501 if (integrableObject->isDirectional()) {
502 type += "t";
503 Vector3d trq = integrableObject->getTrq();
504 if (isinf(trq[0]) || isnan(trq[0]) ||
505 isinf(trq[1]) || isnan(trq[1]) ||
506 isinf(trq[2]) || isnan(trq[2]) ) {
507 sprintf( painCave.errMsg,
508 "DumpWriter detected a numerical error writing the torque"
509 " for object %d", index);
510 painCave.isFatal = 1;
511 simError();
512 }
513 sprintf(tempBuffer, " %13e %13e %13e",
514 trq[0], trq[1], trq[2]);
515 line += tempBuffer;
516 }
517 }
518
519 sprintf(tempBuffer, "%10d %7s %s\n", index, type.c_str(), line.c_str());
520 return std::string(tempBuffer);
521 }
522
523 std::string DumpWriter::prepareSiteLine(StuntDouble* integrableObject, int ioIndex, int siteIndex) {
524
525
526 std::string id;
527 std::string type;
528 std::string line;
529 char tempBuffer[4096];
530
531 if (integrableObject->isRigidBody()) {
532 sprintf(tempBuffer, "%10d ", ioIndex);
533 id = std::string(tempBuffer);
534 } else {
535 sprintf(tempBuffer, "%10d %10d", ioIndex, siteIndex);
536 id = std::string(tempBuffer);
537 }
538
539 if (needFlucQ_) {
540 type += "cw";
541 RealType fqPos = integrableObject->getFlucQPos();
542 if (isinf(fqPos) || isnan(fqPos) ) {
543 sprintf( painCave.errMsg,
544 "DumpWriter detected a numerical error writing the"
545 " fluctuating charge for object %s", id.c_str());
546 painCave.isFatal = 1;
547 simError();
548 }
549 sprintf(tempBuffer, " %13e ", fqPos);
550 line += tempBuffer;
551
552 RealType fqVel = integrableObject->getFlucQVel();
553 if (isinf(fqVel) || isnan(fqVel) ) {
554 sprintf( painCave.errMsg,
555 "DumpWriter detected a numerical error writing the"
556 " fluctuating charge velocity for object %s", id.c_str());
557 painCave.isFatal = 1;
558 simError();
559 }
560 sprintf(tempBuffer, " %13e ", fqVel);
561 line += tempBuffer;
562
563 if (needForceVector_) {
564 type += "g";
565 RealType fqFrc = integrableObject->getFlucQFrc();
566 if (isinf(fqFrc) || isnan(fqFrc) ) {
567 sprintf( painCave.errMsg,
568 "DumpWriter detected a numerical error writing the"
569 " fluctuating charge force for object %s", id.c_str());
570 painCave.isFatal = 1;
571 simError();
572 }
573 sprintf(tempBuffer, " %13e ", fqFrc);
574 line += tempBuffer;
575 }
576 }
577
578 if (needElectricField_) {
579 type += "e";
580 Vector3d eField= integrableObject->getElectricField();
581 if (isinf(eField[0]) || isnan(eField[0]) ||
582 isinf(eField[1]) || isnan(eField[1]) ||
583 isinf(eField[2]) || isnan(eField[2]) ) {
584 sprintf( painCave.errMsg,
585 "DumpWriter detected a numerical error writing the electric"
586 " field for object %s", id.c_str());
587 painCave.isFatal = 1;
588 simError();
589 }
590 sprintf(tempBuffer, " %13e %13e %13e",
591 eField[0], eField[1], eField[2]);
592 line += tempBuffer;
593 }
594
595
596 if (needParticlePot_) {
597 type += "u";
598 RealType particlePot = integrableObject->getParticlePot();
599 if (isinf(particlePot) || isnan(particlePot)) {
600 sprintf( painCave.errMsg,
601 "DumpWriter detected a numerical error writing the particle "
602 " potential for object %s", id.c_str());
603 painCave.isFatal = 1;
604 simError();
605 }
606 sprintf(tempBuffer, " %13e", particlePot);
607 line += tempBuffer;
608 }
609
610
611 sprintf(tempBuffer, "%s %7s %s\n", id.c_str(), type.c_str(), line.c_str());
612 return std::string(tempBuffer);
613 }
614
615 void DumpWriter::writeDump() {
616 writeFrame(*dumpFile_);
617 }
618
619 void DumpWriter::writeEor() {
620 std::ostream* eorStream;
621
622 #ifdef IS_MPI
623 if (worldRank == 0) {
624 #endif // is_mpi
625
626 eorStream = createOStream(eorFilename_);
627
628 #ifdef IS_MPI
629 }
630 #endif // is_mpi
631
632 writeFrame(*eorStream);
633
634 #ifdef IS_MPI
635 if (worldRank == 0) {
636 #endif // is_mpi
637 writeClosing(*eorStream);
638 delete eorStream;
639 #ifdef IS_MPI
640 }
641 #endif // is_mpi
642
643 }
644
645
646 void DumpWriter::writeDumpAndEor() {
647 std::vector<std::streambuf*> buffers;
648 std::ostream* eorStream;
649 #ifdef IS_MPI
650 if (worldRank == 0) {
651 #endif // is_mpi
652
653 buffers.push_back(dumpFile_->rdbuf());
654
655 eorStream = createOStream(eorFilename_);
656
657 buffers.push_back(eorStream->rdbuf());
658
659 #ifdef IS_MPI
660 }
661 #endif // is_mpi
662
663 TeeBuf tbuf(buffers.begin(), buffers.end());
664 std::ostream os(&tbuf);
665
666 writeFrame(os);
667
668 #ifdef IS_MPI
669 if (worldRank == 0) {
670 #endif // is_mpi
671 writeClosing(*eorStream);
672 delete eorStream;
673 #ifdef IS_MPI
674 }
675 #endif // is_mpi
676
677 }
678
679 std::ostream* DumpWriter::createOStream(const std::string& filename) {
680
681 std::ostream* newOStream;
682 #ifdef HAVE_LIBZ
683 if (needCompression_) {
684 newOStream = new ogzstream(filename.c_str());
685 } else {
686 newOStream = new std::ofstream(filename.c_str());
687 }
688 #else
689 newOStream = new std::ofstream(filename.c_str());
690 #endif
691 //write out MetaData first
692 (*newOStream) << "<OpenMD version=2>" << std::endl;
693 (*newOStream) << " <MetaData>" << std::endl;
694 (*newOStream) << info_->getRawMetaData();
695 (*newOStream) << " </MetaData>" << std::endl;
696 return newOStream;
697 }
698
699 void DumpWriter::writeClosing(std::ostream& os) {
700
701 os << "</OpenMD>\n";
702 os.flush();
703 }
704
705 }//end namespace OpenMD

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