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root/OpenMD/branches/development/src/io/DumpWriter.cpp
Revision: 1752
Committed: Sun Jun 10 14:05:02 2012 UTC (12 years, 10 months ago) by gezelter
File size: 20820 byte(s)
Log Message:
Added SiteData parsing and writing.

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 //is_mpi
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 RealType chi = s->getChi();
261 RealType integralOfChiDt = s->getIntegralOfChiDt();
262 if (isinf(chi) || isnan(chi) ||
263 isinf(integralOfChiDt) || isnan(integralOfChiDt)) {
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", chi, integralOfChiDt);
270 os << buffer;
271
272 Mat3x3d eta;
273 eta = s->getEta();
274
275 for (unsigned int i = 0; i < 3; i++) {
276 for (unsigned int j = 0; j < 3; j++) {
277 if (isinf(eta(i,j)) || isnan(eta(i,j))) {
278 sprintf( painCave.errMsg,
279 "DumpWriter detected a numerical error writing the barostat");
280 painCave.isFatal = 1;
281 simError();
282 }
283 }
284 }
285
286 sprintf(buffer, " Barostat: {{ %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }, { %.10g, %.10g, %.10g }}\n",
287 eta(0, 0), eta(1, 0), eta(2, 0),
288 eta(0, 1), eta(1, 1), eta(2, 1),
289 eta(0, 2), eta(1, 2), eta(2, 2));
290 os << buffer;
291
292 os << " </FrameData>\n";
293 }
294
295 void DumpWriter::writeFrame(std::ostream& os) {
296
297 #ifdef IS_MPI
298 MPI_Status istatus;
299 #endif
300
301 Molecule* mol;
302 StuntDouble* integrableObject;
303 SimInfo::MoleculeIterator mi;
304 Molecule::IntegrableObjectIterator ii;
305 RigidBody::AtomIterator ai;
306 Atom* atom;
307
308 #ifndef IS_MPI
309 os << " <Snapshot>\n";
310
311 writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
312
313 os << " <StuntDoubles>\n";
314 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
315
316
317 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
318 integrableObject = mol->nextIntegrableObject(ii)) {
319 os << prepareDumpLine(integrableObject);
320
321 }
322 }
323 os << " </StuntDoubles>\n";
324
325 if (doSiteData_) {
326 os << " <SiteData>\n";
327 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
328
329 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
330 integrableObject = mol->nextIntegrableObject(ii)) {
331
332 int ioIndex = integrableObject->getGlobalIntegrableObjectIndex();
333 // do one for the IO itself
334 os << prepareSiteLine(integrableObject, ioIndex, 0);
335
336 if (integrableObject->isRigidBody()) {
337
338 RigidBody* rb = static_cast<RigidBody*>(integrableObject);
339 int siteIndex = 0;
340 for (atom = rb->beginAtom(ai); atom != NULL;
341 atom = rb->nextAtom(ai)) {
342 os << prepareSiteLine(atom, ioIndex, siteIndex);
343 siteIndex++;
344 }
345 }
346 }
347 }
348 os << " </SiteData>\n";
349 }
350 os << " </Snapshot>\n";
351
352 os.flush();
353 #else
354 //every node prepares the dump lines for integrable objects belong to itself
355 std::string buffer;
356 for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
357
358
359 for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
360 integrableObject = mol->nextIntegrableObject(ii)) {
361 buffer += prepareDumpLine(integrableObject);
362 }
363 }
364
365 const int masterNode = 0;
366 int nProc;
367 MPI_Comm_size(MPI_COMM_WORLD, &nProc);
368 if (worldRank == masterNode) {
369 os << " <Snapshot>\n";
370 writeFrameProperties(os, info_->getSnapshotManager()->getCurrentSnapshot());
371 os << " <StuntDoubles>\n";
372
373 os << buffer;
374
375 for (int i = 1; i < nProc; ++i) {
376
377 // receive the length of the string buffer that was
378 // prepared by processor i
379
380 MPI_Bcast(&i, 1, MPI_INT,masterNode,MPI_COMM_WORLD);
381 int recvLength;
382 MPI_Recv(&recvLength, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &istatus);
383 char* recvBuffer = new char[recvLength];
384 if (recvBuffer == NULL) {
385 } else {
386 MPI_Recv(recvBuffer, recvLength, MPI_CHAR, i, 0, MPI_COMM_WORLD, &istatus);
387 os << recvBuffer;
388 delete [] recvBuffer;
389 }
390 }
391 os << " </StuntDoubles>\n";
392
393 os << " </Snapshot>\n";
394 os.flush();
395 } else {
396 int sendBufferLength = buffer.size() + 1;
397 int myturn = 0;
398 for (int i = 1; i < nProc; ++i){
399 MPI_Bcast(&myturn,1, MPI_INT,masterNode,MPI_COMM_WORLD);
400 if (myturn == worldRank){
401 MPI_Send(&sendBufferLength, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD);
402 MPI_Send((void *)buffer.c_str(), sendBufferLength, MPI_CHAR, masterNode, 0, MPI_COMM_WORLD);
403 }
404 }
405 }
406
407 #endif // is_mpi
408
409 }
410
411 std::string DumpWriter::prepareDumpLine(StuntDouble* integrableObject) {
412
413 int index = integrableObject->getGlobalIntegrableObjectIndex();
414 std::string type("pv");
415 std::string line;
416 char tempBuffer[4096];
417
418 Vector3d pos;
419 Vector3d vel;
420 pos = integrableObject->getPos();
421
422 if (isinf(pos[0]) || isnan(pos[0]) ||
423 isinf(pos[1]) || isnan(pos[1]) ||
424 isinf(pos[2]) || isnan(pos[2]) ) {
425 sprintf( painCave.errMsg,
426 "DumpWriter detected a numerical error writing the position"
427 " for object %d", index);
428 painCave.isFatal = 1;
429 simError();
430 }
431
432 vel = integrableObject->getVel();
433
434 if (isinf(vel[0]) || isnan(vel[0]) ||
435 isinf(vel[1]) || isnan(vel[1]) ||
436 isinf(vel[2]) || isnan(vel[2]) ) {
437 sprintf( painCave.errMsg,
438 "DumpWriter detected a numerical error writing the velocity"
439 " for object %d", index);
440 painCave.isFatal = 1;
441 simError();
442 }
443
444 sprintf(tempBuffer, "%18.10g %18.10g %18.10g %13e %13e %13e",
445 pos[0], pos[1], pos[2],
446 vel[0], vel[1], vel[2]);
447 line += tempBuffer;
448
449 if (integrableObject->isDirectional()) {
450 type += "qj";
451 Quat4d q;
452 Vector3d ji;
453 q = integrableObject->getQ();
454
455 if (isinf(q[0]) || isnan(q[0]) ||
456 isinf(q[1]) || isnan(q[1]) ||
457 isinf(q[2]) || isnan(q[2]) ||
458 isinf(q[3]) || isnan(q[3]) ) {
459 sprintf( painCave.errMsg,
460 "DumpWriter detected a numerical error writing the quaternion"
461 " for object %d", index);
462 painCave.isFatal = 1;
463 simError();
464 }
465
466 ji = integrableObject->getJ();
467
468 if (isinf(ji[0]) || isnan(ji[0]) ||
469 isinf(ji[1]) || isnan(ji[1]) ||
470 isinf(ji[2]) || isnan(ji[2]) ) {
471 sprintf( painCave.errMsg,
472 "DumpWriter detected a numerical error writing the angular"
473 " momentum for object %d", index);
474 painCave.isFatal = 1;
475 simError();
476 }
477
478 sprintf(tempBuffer, " %13e %13e %13e %13e %13e %13e %13e",
479 q[0], q[1], q[2], q[3],
480 ji[0], ji[1], ji[2]);
481 line += tempBuffer;
482 }
483
484 if (needForceVector_) {
485 type += "f";
486 Vector3d frc = integrableObject->getFrc();
487 if (isinf(frc[0]) || isnan(frc[0]) ||
488 isinf(frc[1]) || isnan(frc[1]) ||
489 isinf(frc[2]) || isnan(frc[2]) ) {
490 sprintf( painCave.errMsg,
491 "DumpWriter detected a numerical error writing the force"
492 " for object %d", index);
493 painCave.isFatal = 1;
494 simError();
495 }
496 sprintf(tempBuffer, " %13e %13e %13e",
497 frc[0], frc[1], frc[2]);
498 line += tempBuffer;
499
500 if (integrableObject->isDirectional()) {
501 type += "t";
502 Vector3d trq = integrableObject->getTrq();
503 if (isinf(trq[0]) || isnan(trq[0]) ||
504 isinf(trq[1]) || isnan(trq[1]) ||
505 isinf(trq[2]) || isnan(trq[2]) ) {
506 sprintf( painCave.errMsg,
507 "DumpWriter detected a numerical error writing the torque"
508 " for object %d", index);
509 painCave.isFatal = 1;
510 simError();
511 }
512 sprintf(tempBuffer, " %13e %13e %13e",
513 trq[0], trq[1], trq[2]);
514 line += tempBuffer;
515 }
516 }
517
518 sprintf(tempBuffer, "%10d %7s %s\n", index, type.c_str(), line.c_str());
519 return std::string(tempBuffer);
520 }
521
522 std::string DumpWriter::prepareSiteLine(StuntDouble* integrableObject, int ioIndex, int siteIndex) {
523
524
525 std::string id;
526 std::string type;
527 std::string line;
528 char tempBuffer[4096];
529
530 if (integrableObject->isRigidBody()) {
531 sprintf(tempBuffer, "%10d ", ioIndex);
532 id = std::string(tempBuffer);
533 } else {
534 sprintf(tempBuffer, "%10d %10d", ioIndex, siteIndex);
535 id = std::string(tempBuffer);
536 }
537
538 if (needFlucQ_) {
539 type += "cw";
540 RealType fqPos = integrableObject->getFlucQPos();
541 if (isinf(fqPos) || isnan(fqPos) ) {
542 sprintf( painCave.errMsg,
543 "DumpWriter detected a numerical error writing the"
544 " fluctuating charge for object %s", id.c_str());
545 painCave.isFatal = 1;
546 simError();
547 }
548 sprintf(tempBuffer, " %13e ", fqPos);
549 line += tempBuffer;
550
551 RealType fqVel = integrableObject->getFlucQVel();
552 if (isinf(fqVel) || isnan(fqVel) ) {
553 sprintf( painCave.errMsg,
554 "DumpWriter detected a numerical error writing the"
555 " fluctuating charge velocity for object %s", id.c_str());
556 painCave.isFatal = 1;
557 simError();
558 }
559 sprintf(tempBuffer, " %13e ", fqVel);
560 line += tempBuffer;
561
562 if (needForceVector_) {
563 type += "g";
564 RealType fqFrc = integrableObject->getFlucQFrc();
565 if (isinf(fqFrc) || isnan(fqFrc) ) {
566 sprintf( painCave.errMsg,
567 "DumpWriter detected a numerical error writing the"
568 " fluctuating charge force for object %s", id.c_str());
569 painCave.isFatal = 1;
570 simError();
571 }
572 sprintf(tempBuffer, " %13e ", fqFrc);
573 line += tempBuffer;
574 }
575 }
576
577 if (needElectricField_) {
578 type += "e";
579 Vector3d eField= integrableObject->getElectricField();
580 if (isinf(eField[0]) || isnan(eField[0]) ||
581 isinf(eField[1]) || isnan(eField[1]) ||
582 isinf(eField[2]) || isnan(eField[2]) ) {
583 sprintf( painCave.errMsg,
584 "DumpWriter detected a numerical error writing the electric"
585 " field for object %s", id.c_str());
586 painCave.isFatal = 1;
587 simError();
588 }
589 sprintf(tempBuffer, " %13e %13e %13e",
590 eField[0], eField[1], eField[2]);
591 line += tempBuffer;
592 }
593
594
595 if (needParticlePot_) {
596 type += "u";
597 RealType particlePot = integrableObject->getParticlePot();
598 if (isinf(particlePot) || isnan(particlePot)) {
599 sprintf( painCave.errMsg,
600 "DumpWriter detected a numerical error writing the particle "
601 " potential for object %s", id.c_str());
602 painCave.isFatal = 1;
603 simError();
604 }
605 sprintf(tempBuffer, " %13e", particlePot);
606 line += tempBuffer;
607 }
608
609
610 sprintf(tempBuffer, "%s %7s %s\n", id.c_str(), type.c_str(), line.c_str());
611 return std::string(tempBuffer);
612 }
613
614 void DumpWriter::writeDump() {
615 writeFrame(*dumpFile_);
616 }
617
618 void DumpWriter::writeEor() {
619 std::ostream* eorStream;
620
621 #ifdef IS_MPI
622 if (worldRank == 0) {
623 #endif // is_mpi
624
625 eorStream = createOStream(eorFilename_);
626
627 #ifdef IS_MPI
628 }
629 #endif // is_mpi
630
631 writeFrame(*eorStream);
632
633 #ifdef IS_MPI
634 if (worldRank == 0) {
635 #endif // is_mpi
636 writeClosing(*eorStream);
637 delete eorStream;
638 #ifdef IS_MPI
639 }
640 #endif // is_mpi
641
642 }
643
644
645 void DumpWriter::writeDumpAndEor() {
646 std::vector<std::streambuf*> buffers;
647 std::ostream* eorStream;
648 #ifdef IS_MPI
649 if (worldRank == 0) {
650 #endif // is_mpi
651
652 buffers.push_back(dumpFile_->rdbuf());
653
654 eorStream = createOStream(eorFilename_);
655
656 buffers.push_back(eorStream->rdbuf());
657
658 #ifdef IS_MPI
659 }
660 #endif // is_mpi
661
662 TeeBuf tbuf(buffers.begin(), buffers.end());
663 std::ostream os(&tbuf);
664
665 writeFrame(os);
666
667 #ifdef IS_MPI
668 if (worldRank == 0) {
669 #endif // is_mpi
670 writeClosing(*eorStream);
671 delete eorStream;
672 #ifdef IS_MPI
673 }
674 #endif // is_mpi
675
676 }
677
678 std::ostream* DumpWriter::createOStream(const std::string& filename) {
679
680 std::ostream* newOStream;
681 #ifdef HAVE_LIBZ
682 if (needCompression_) {
683 newOStream = new ogzstream(filename.c_str());
684 } else {
685 newOStream = new std::ofstream(filename.c_str());
686 }
687 #else
688 newOStream = new std::ofstream(filename.c_str());
689 #endif
690 //write out MetaData first
691 (*newOStream) << "<OpenMD version=2>" << std::endl;
692 (*newOStream) << " <MetaData>" << std::endl;
693 (*newOStream) << info_->getRawMetaData();
694 (*newOStream) << " </MetaData>" << std::endl;
695 return newOStream;
696 }
697
698 void DumpWriter::writeClosing(std::ostream& os) {
699
700 os << "</OpenMD>\n";
701 os.flush();
702 }
703
704 }//end namespace OpenMD

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