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/* |
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* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. |
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* |
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* The University of Notre Dame grants you ("Licensee") a |
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* non-exclusive, royalty free, license to use, modify and |
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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Acknowledgement of the program authors must be made in any |
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* publication of scientific results based in part on use of the |
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* program. An acceptable form of acknowledgement is citation of |
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* the article in which the program was described (Matthew |
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* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher |
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* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented |
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* Parallel Simulation Engine for Molecular Dynamics," |
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* J. Comput. Chem. 26, pp. 252-271 (2005)) |
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* |
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* 2. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 3. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* |
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* This software is provided "AS IS," without a warranty of any |
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* kind. All express or implied conditions, representations and |
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* warranties, including any implied warranty of merchantability, |
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* fitness for a particular purpose or non-infringement, are hereby |
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* excluded. The University of Notre Dame and its licensors shall not |
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* be liable for any damages suffered by licensee as a result of |
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* using, modifying or distributing the software or its |
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* derivatives. In no event will the University of Notre Dame or its |
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* licensors be liable for any lost revenue, profit or data, or for |
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* direct, indirect, special, consequential, incidental or punitive |
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* damages, however caused and regardless of the theory of liability, |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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*/ |
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|
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#define _LARGEFILE_SOURCE64 |
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#define _FILE_OFFSET_BITS 64 |
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|
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#include <sys/types.h> |
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#include <sys/stat.h> |
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|
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#include <iostream> |
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#include <math.h> |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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|
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#include "io/DumpReader.hpp" |
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#include "primitives/Molecule.hpp" |
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#include "utils/simError.h" |
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#include "utils/MemoryUtils.hpp" |
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#include "utils/StringTokenizer.hpp" |
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|
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#ifdef IS_MPI |
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|
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#include <mpi.h> |
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#define TAKE_THIS_TAG_CHAR 0 |
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#define TAKE_THIS_TAG_INT 1 |
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|
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#endif // is_mpi |
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|
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|
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namespace oopse { |
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|
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DumpReader::DumpReader(SimInfo* info, const std::string& filename) |
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: info_(info), filename_(filename), isScanned_(false), nframes_(0) { |
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|
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#ifdef IS_MPI |
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|
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if (worldRank == 0) { |
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#endif |
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|
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inFile_ = new std::ifstream(filename_.c_str()); |
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|
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if (inFile_->fail()) { |
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sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str()); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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#ifdef IS_MPI |
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|
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} |
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|
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strcpy(checkPointMsg, "Dump file opened for reading successfully."); |
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MPIcheckPoint(); |
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|
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#endif |
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|
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return; |
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} |
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|
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DumpReader::~DumpReader() { |
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|
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#ifdef IS_MPI |
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|
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if (worldRank == 0) { |
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#endif |
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|
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delete inFile_; |
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|
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#ifdef IS_MPI |
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|
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} |
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|
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strcpy(checkPointMsg, "Dump file closed successfully."); |
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MPIcheckPoint(); |
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|
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#endif |
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|
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return; |
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} |
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|
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int DumpReader::getNFrames(void) { |
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|
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if (!isScanned_) |
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scanFile(); |
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|
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return nframes_; |
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} |
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|
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void DumpReader::scanFile(void) { |
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int i, j; |
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int lineNum = 0; |
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char readBuffer[maxBufferSize]; |
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std::streampos currPos; |
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|
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#ifdef IS_MPI |
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|
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if (worldRank == 0) { |
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#endif // is_mpi |
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|
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inFile_->seekg (0, std::ios::beg); |
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|
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|
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currPos = inFile_->tellg(); |
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inFile_->getline(readBuffer, sizeof(readBuffer)); |
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lineNum++; |
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|
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if (inFile_->eof()) { |
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sprintf(painCave.errMsg, |
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"DumpReader Error: File \"%s\" ended unexpectedly at line %d\n", |
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filename_.c_str(), |
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lineNum); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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while (!inFile_->eof()) { |
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framePos_.push_back(currPos); |
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|
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i = atoi(readBuffer); |
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|
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inFile_->getline(readBuffer, sizeof(readBuffer)); |
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lineNum++; |
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|
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if (inFile_->eof()) { |
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sprintf(painCave.errMsg, |
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"DumpReader Error: File \"%s\" ended unexpectedly at line %d\n", |
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filename_.c_str(), |
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lineNum); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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for(j = 0; j < i; j++) { |
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inFile_->getline(readBuffer, sizeof(readBuffer)); |
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lineNum++; |
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|
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if (inFile_->eof()) { |
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sprintf(painCave.errMsg, |
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"DumpReader Error: File \"%s\" ended unexpectedly at line %d," |
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" with atom %d\n", filename_.c_str(), |
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lineNum, |
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j); |
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|
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painCave.isFatal = 1; |
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simError(); |
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} |
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} |
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|
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currPos = inFile_->tellg(); |
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inFile_->getline(readBuffer, sizeof(readBuffer)); |
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lineNum++; |
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} |
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|
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inFile_->seekg (0, std::ios::beg); |
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|
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nframes_ = framePos_.size(); |
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#ifdef IS_MPI |
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} |
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|
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MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD); |
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|
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strcpy(checkPointMsg, "Successfully scanned DumpFile\n"); |
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MPIcheckPoint(); |
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|
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#endif // is_mpi |
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|
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isScanned_ = true; |
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} |
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|
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void DumpReader::readFrame(int whichFrame) { |
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if (!isScanned_) |
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scanFile(); |
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|
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int storageLayout = info_->getSnapshotManager()->getStorageLayout(); |
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|
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if (storageLayout & DataStorage::dslPosition) { |
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needPos_ = true; |
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} else { |
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needPos_ = false; |
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} |
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|
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if (storageLayout & DataStorage::dslVelocity) { |
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needVel_ = true; |
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} else { |
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needVel_ = false; |
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} |
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|
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if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) { |
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needQuaternion_ = true; |
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} else { |
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needQuaternion_ = false; |
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} |
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|
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if (storageLayout & DataStorage::dslAngularMomentum) { |
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needAngMom_ = true; |
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} else { |
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needAngMom_ = false; |
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} |
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|
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readSet(whichFrame); |
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} |
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|
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void DumpReader::readSet(int whichFrame) { |
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int i; |
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int nTotObjs; // the number of atoms |
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char read_buffer[maxBufferSize]; //the line buffer for reading |
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char * eof_test; // ptr to see when we reach the end of the file |
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|
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Molecule* mol; |
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StuntDouble* integrableObject; |
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SimInfo::MoleculeIterator mi; |
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Molecule::IntegrableObjectIterator ii; |
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|
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#ifndef IS_MPI |
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inFile_->clear(); |
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inFile_->seekg(framePos_[whichFrame]); |
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|
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if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
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sprintf(painCave.errMsg, |
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"DumpReader error: error reading 1st line of \"%s\"\n", |
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filename_.c_str()); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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nTotObjs = atoi(read_buffer); |
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|
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if (nTotObjs != info_->getNGlobalIntegrableObjects()) { |
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sprintf(painCave.errMsg, |
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"DumpReader error. %s nIntegrable, %d, " |
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"does not match the meta-data file's nIntegrable, %d.\n", |
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filename_.c_str(), |
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nTotObjs, |
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info_->getNGlobalIntegrableObjects()); |
275 |
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|
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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//read the box mat from the comment line |
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|
282 |
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|
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if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
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sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n", |
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filename_.c_str()); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot()); |
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|
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//parse dump lines |
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|
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i = 0; |
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for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) { |
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|
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for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL; |
298 |
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integrableObject = mol->nextIntegrableObject(ii)) { |
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|
300 |
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|
301 |
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|
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if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
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sprintf(painCave.errMsg, |
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"DumpReader Error: error in reading file %s\n" |
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"natoms = %d; index = %d\n" |
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"error reading the line from the file.\n", |
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filename_.c_str(), |
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nTotObjs, |
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i); |
310 |
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|
311 |
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painCave.isFatal = 1; |
312 |
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simError(); |
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} |
314 |
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|
315 |
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parseDumpLine(read_buffer, integrableObject); |
316 |
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i++; |
317 |
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} |
318 |
< |
} |
319 |
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|
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// MPI Section of code.......... |
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|
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#else //IS_MPI |
323 |
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|
324 |
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// first thing first, suspend fatalities. |
325 |
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int masterNode = 0; |
326 |
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int nCurObj; |
327 |
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painCave.isEventLoop = 1; |
328 |
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|
329 |
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int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone |
330 |
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int haveError; |
331 |
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|
332 |
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MPI_Status istatus; |
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int nitems; |
334 |
< |
|
335 |
< |
nTotObjs = info_->getNGlobalIntegrableObjects(); |
336 |
< |
haveError = 0; |
337 |
< |
|
338 |
< |
if (worldRank == masterNode) { |
339 |
< |
inFile_->clear(); |
340 |
< |
inFile_->seekg(framePos_[whichFrame]); |
341 |
< |
|
342 |
< |
if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
343 |
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sprintf(painCave.errMsg, "DumpReader Error: Error reading 1st line of %s \n ", |
344 |
< |
filename_.c_str()); |
345 |
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painCave.isFatal = 1; |
346 |
< |
simError(); |
347 |
< |
} |
348 |
< |
|
349 |
< |
nitems = atoi(read_buffer); |
350 |
< |
|
351 |
< |
// Check to see that the number of integrable objects in the |
352 |
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// intial configuration file is the same as derived from the |
353 |
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// meta-data file. |
354 |
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|
355 |
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if (nTotObjs != nitems) { |
356 |
< |
sprintf(painCave.errMsg, |
357 |
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"DumpReader Error. %s nIntegrable, %d, " |
358 |
< |
"does not match the meta-data file's nIntegrable, %d.\n", |
359 |
< |
filename_.c_str(), |
360 |
< |
nTotObjs, |
361 |
< |
info_->getNGlobalIntegrableObjects()); |
362 |
< |
|
363 |
< |
painCave.isFatal = 1; |
364 |
< |
simError(); |
365 |
< |
} |
366 |
< |
|
367 |
< |
//read the boxMat from the comment line |
368 |
< |
|
369 |
< |
|
370 |
< |
|
371 |
< |
if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
372 |
< |
sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n", |
373 |
< |
filename_.c_str()); |
374 |
< |
painCave.isFatal = 1; |
375 |
< |
simError(); |
376 |
< |
} |
377 |
< |
|
378 |
< |
//Every single processor will parse the comment line by itself |
379 |
< |
//By using this way, we might lose some efficiency, but if we want to add |
380 |
< |
//more parameters into comment line, we only need to modify function |
381 |
< |
//parseCommentLine |
382 |
< |
|
383 |
< |
MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD); |
384 |
< |
parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot()); |
385 |
< |
|
386 |
< |
for(i = 0; i < info_->getNGlobalMolecules(); i++) { |
387 |
< |
int which_node = info_->getMolToProc(i); |
388 |
< |
|
389 |
< |
if (which_node == masterNode) { |
390 |
< |
//molecules belong to master node |
391 |
< |
|
392 |
< |
mol = info_->getMoleculeByGlobalIndex(i); |
393 |
< |
|
394 |
< |
if (mol == NULL) { |
395 |
< |
sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank); |
396 |
< |
painCave.isFatal = 1; |
397 |
< |
simError(); |
398 |
< |
} |
399 |
< |
|
400 |
< |
for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL; |
401 |
< |
integrableObject = mol->nextIntegrableObject(ii)){ |
402 |
< |
|
403 |
< |
|
404 |
< |
|
405 |
< |
if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
406 |
< |
sprintf(painCave.errMsg, |
407 |
< |
"DumpReader Error: error in reading file %s\n" |
408 |
< |
"natoms = %d; index = %d\n" |
409 |
< |
"error reading the line from the file.\n", |
410 |
< |
filename_.c_str(), |
411 |
< |
nTotObjs, |
412 |
< |
i); |
413 |
< |
|
414 |
< |
painCave.isFatal = 1; |
415 |
< |
simError(); |
416 |
< |
} |
417 |
< |
|
418 |
< |
parseDumpLine(read_buffer, integrableObject); |
419 |
< |
} |
420 |
< |
} else { |
421 |
< |
//molecule belongs to slave nodes |
422 |
< |
|
423 |
< |
MPI_Recv(&nCurObj, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT, |
424 |
< |
MPI_COMM_WORLD, &istatus); |
425 |
< |
|
426 |
< |
for(int j = 0; j < nCurObj; j++) { |
427 |
< |
|
428 |
< |
|
429 |
< |
if (!inFile_->getline(read_buffer, sizeof(read_buffer))) { |
430 |
< |
sprintf(painCave.errMsg, |
431 |
< |
"DumpReader Error: error in reading file %s\n" |
432 |
< |
"natoms = %d; index = %d\n" |
433 |
< |
"error reading the line from the file.\n", |
434 |
< |
filename_.c_str(), |
435 |
< |
nTotObjs, |
436 |
< |
i); |
437 |
< |
|
438 |
< |
painCave.isFatal = 1; |
439 |
< |
simError(); |
440 |
< |
} |
441 |
< |
|
442 |
< |
MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node, |
443 |
< |
TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD); |
444 |
< |
} |
445 |
< |
} |
446 |
< |
} |
447 |
< |
} else { |
448 |
< |
//actions taken at slave nodes |
449 |
< |
MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD); |
450 |
< |
|
451 |
< |
/**@todo*/ |
452 |
< |
parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot()); |
453 |
< |
|
454 |
< |
for(i = 0; i < info_->getNGlobalMolecules(); i++) { |
455 |
< |
int which_node = info_->getMolToProc(i); |
456 |
< |
|
457 |
< |
if (which_node == worldRank) { |
458 |
< |
//molecule with global index i belongs to this processor |
459 |
< |
|
460 |
< |
mol = info_->getMoleculeByGlobalIndex(i); |
461 |
< |
if (mol == NULL) { |
462 |
< |
sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank); |
463 |
< |
painCave.isFatal = 1; |
464 |
< |
simError(); |
465 |
< |
} |
466 |
< |
|
467 |
< |
nCurObj = mol->getNIntegrableObjects(); |
468 |
< |
|
469 |
< |
MPI_Send(&nCurObj, 1, MPI_INT, masterNode, TAKE_THIS_TAG_INT, |
470 |
< |
MPI_COMM_WORLD); |
471 |
< |
|
472 |
< |
for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL; |
473 |
< |
integrableObject = mol->nextIntegrableObject(ii)){ |
474 |
< |
|
475 |
< |
MPI_Recv(read_buffer, maxBufferSize, MPI_CHAR, masterNode, |
476 |
< |
TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus); |
477 |
< |
|
478 |
< |
parseDumpLine(read_buffer, integrableObject); |
479 |
< |
} |
480 |
< |
|
481 |
< |
} |
482 |
< |
|
483 |
< |
} |
484 |
< |
|
485 |
< |
} |
486 |
< |
|
487 |
< |
#endif |
488 |
< |
|
489 |
< |
} |
490 |
< |
|
491 |
< |
void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) { |
492 |
< |
|
493 |
< |
Vector3d pos; // position place holders |
494 |
< |
Vector3d vel; // velocity placeholders |
495 |
< |
Quat4d q; // the quaternions |
496 |
< |
Vector3d ji; // angular velocity placeholders; |
497 |
< |
StringTokenizer tokenizer(line); |
498 |
< |
int nTokens; |
499 |
< |
|
500 |
< |
nTokens = tokenizer.countTokens(); |
501 |
< |
|
502 |
< |
if (nTokens < 14) { |
503 |
< |
sprintf(painCave.errMsg, |
504 |
< |
"DumpReader Error: Not enough Tokens.\n%s\n", line); |
505 |
< |
painCave.isFatal = 1; |
506 |
< |
simError(); |
507 |
< |
} |
508 |
< |
|
509 |
< |
std::string name = tokenizer.nextToken(); |
510 |
< |
|
511 |
< |
if (name != integrableObject->getType()) { |
512 |
< |
|
513 |
< |
sprintf(painCave.errMsg, |
514 |
< |
"DumpReader Error: Atom type [%s] in %s does not match Atom Type [%s] in .md file.\n", |
515 |
< |
name.c_str(), filename_.c_str(), integrableObject->getType().c_str()); |
516 |
< |
painCave.isFatal = 1; |
517 |
< |
simError(); |
518 |
< |
} |
519 |
< |
|
520 |
< |
pos[0] = tokenizer.nextTokenAsDouble(); |
521 |
< |
pos[1] = tokenizer.nextTokenAsDouble(); |
522 |
< |
pos[2] = tokenizer.nextTokenAsDouble(); |
523 |
< |
if (needPos_) { |
524 |
< |
integrableObject->setPos(pos); |
525 |
< |
} |
526 |
< |
|
527 |
< |
vel[0] = tokenizer.nextTokenAsDouble(); |
528 |
< |
vel[1] = tokenizer.nextTokenAsDouble(); |
529 |
< |
vel[2] = tokenizer.nextTokenAsDouble(); |
530 |
< |
if (needVel_) { |
531 |
< |
integrableObject->setVel(vel); |
532 |
< |
} |
533 |
< |
|
534 |
< |
if (integrableObject->isDirectional()) { |
535 |
< |
|
536 |
< |
q[0] = tokenizer.nextTokenAsDouble(); |
537 |
< |
q[1] = tokenizer.nextTokenAsDouble(); |
538 |
< |
q[2] = tokenizer.nextTokenAsDouble(); |
539 |
< |
q[3] = tokenizer.nextTokenAsDouble(); |
540 |
< |
|
541 |
< |
double qlen = q.length(); |
542 |
< |
if (qlen < oopse::epsilon) { //check quaternion is not equal to 0 |
543 |
< |
|
544 |
< |
sprintf(painCave.errMsg, |
545 |
< |
"DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2 ~ 0).\n"); |
546 |
< |
painCave.isFatal = 1; |
547 |
< |
simError(); |
548 |
< |
|
549 |
< |
} |
550 |
< |
|
551 |
< |
q.normalize(); |
552 |
< |
if (needQuaternion_) { |
553 |
< |
integrableObject->setQ(q); |
554 |
< |
} |
555 |
< |
|
556 |
< |
ji[0] = tokenizer.nextTokenAsDouble(); |
557 |
< |
ji[1] = tokenizer.nextTokenAsDouble(); |
558 |
< |
ji[2] = tokenizer.nextTokenAsDouble(); |
559 |
< |
if (needAngMom_) { |
560 |
< |
integrableObject->setJ(ji); |
561 |
< |
} |
562 |
< |
} |
563 |
< |
|
564 |
< |
} |
565 |
< |
|
566 |
< |
|
567 |
< |
void DumpReader::parseCommentLine(char* line, Snapshot* s) { |
568 |
< |
double currTime; |
569 |
< |
Mat3x3d hmat; |
570 |
< |
double chi; |
571 |
< |
double integralOfChiDt; |
572 |
< |
Mat3x3d eta; |
573 |
< |
|
574 |
< |
StringTokenizer tokenizer(line); |
575 |
< |
int nTokens; |
576 |
< |
|
577 |
< |
nTokens = tokenizer.countTokens(); |
578 |
< |
|
579 |
< |
//comment line should at least contain 10 tokens: current time(1 token) and h-matrix(9 tokens) |
580 |
< |
if (nTokens < 10) { |
581 |
< |
sprintf(painCave.errMsg, |
582 |
< |
"DumpReader Error: Not enough tokens in comment line: %s", line); |
583 |
< |
painCave.isFatal = 1; |
584 |
< |
simError(); |
585 |
< |
} |
586 |
< |
|
587 |
< |
//read current time |
588 |
< |
currTime = tokenizer.nextTokenAsDouble(); |
589 |
< |
s->setTime(currTime); |
590 |
< |
|
591 |
< |
//read h-matrix |
592 |
< |
hmat(0, 0) = tokenizer.nextTokenAsDouble(); |
593 |
< |
hmat(0, 1) = tokenizer.nextTokenAsDouble(); |
594 |
< |
hmat(0, 2) = tokenizer.nextTokenAsDouble(); |
595 |
< |
hmat(1, 0) = tokenizer.nextTokenAsDouble(); |
596 |
< |
hmat(1, 1) = tokenizer.nextTokenAsDouble(); |
597 |
< |
hmat(1, 2) = tokenizer.nextTokenAsDouble(); |
598 |
< |
hmat(2, 0) = tokenizer.nextTokenAsDouble(); |
599 |
< |
hmat(2, 1) = tokenizer.nextTokenAsDouble(); |
600 |
< |
hmat(2, 2) = tokenizer.nextTokenAsDouble(); |
601 |
< |
s->setHmat(hmat); |
602 |
< |
|
603 |
< |
//read chi and integralOfChidt, they should apprear in pair |
604 |
< |
if (tokenizer.countTokens() >= 2) { |
605 |
< |
chi = tokenizer.nextTokenAsDouble(); |
606 |
< |
integralOfChiDt = tokenizer.nextTokenAsDouble(); |
607 |
< |
|
608 |
< |
s->setChi(chi); |
609 |
< |
s->setIntegralOfChiDt(integralOfChiDt); |
610 |
< |
} |
611 |
< |
|
612 |
< |
//read eta (eta is 3x3 matrix) |
613 |
< |
if (tokenizer.countTokens() >= 9) { |
614 |
< |
eta(0, 0) = tokenizer.nextTokenAsDouble(); |
615 |
< |
eta(0, 1) = tokenizer.nextTokenAsDouble(); |
616 |
< |
eta(0, 2) = tokenizer.nextTokenAsDouble(); |
617 |
< |
eta(1, 0) = tokenizer.nextTokenAsDouble(); |
618 |
< |
eta(1, 1) = tokenizer.nextTokenAsDouble(); |
619 |
< |
eta(1, 2) = tokenizer.nextTokenAsDouble(); |
620 |
< |
eta(2, 0) = tokenizer.nextTokenAsDouble(); |
621 |
< |
eta(2, 1) = tokenizer.nextTokenAsDouble(); |
622 |
< |
eta(2, 2) = tokenizer.nextTokenAsDouble(); |
623 |
< |
|
624 |
< |
s->setEta(eta); |
625 |
< |
} |
626 |
< |
|
627 |
< |
|
628 |
< |
} |
629 |
< |
|
630 |
< |
}//end namespace oopse |
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 |
> |
#define _LARGEFILE_SOURCE64 |
44 |
> |
#define _FILE_OFFSET_BITS 64 |
45 |
> |
|
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 |
> |
if (needCOMprops_) { |
247 |
> |
Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot(); |
248 |
> |
Thermo thermo(info_); |
249 |
> |
Vector3d com; |
250 |
> |
|
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 |
> |
#ifndef IS_MPI |
266 |
> |
inFile_->clear(); |
267 |
> |
inFile_->seekg(framePos_[whichFrame]); |
268 |
> |
|
269 |
> |
std::istream& inputStream = *inFile_; |
270 |
> |
|
271 |
> |
#else |
272 |
> |
int masterNode = 0; |
273 |
> |
std::stringstream sstream; |
274 |
> |
if (worldRank == masterNode) { |
275 |
> |
std::string sendBuffer; |
276 |
> |
|
277 |
> |
inFile_->clear(); |
278 |
> |
inFile_->seekg(framePos_[whichFrame]); |
279 |
> |
|
280 |
> |
while (inFile_->getline(buffer, bufferSize)) { |
281 |
> |
|
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 |
> |
std::istream& inputStream = sstream; |
307 |
> |
#endif |
308 |
> |
|
309 |
> |
inputStream.getline(buffer, bufferSize); |
310 |
> |
|
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 |
> |
//read StuntDoubles |
323 |
> |
readStuntDoubles(inputStream); |
324 |
> |
|
325 |
> |
inputStream.getline(buffer, bufferSize); |
326 |
> |
line = buffer; |
327 |
> |
|
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 |
> |
|
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 |
> |
int index = tokenizer.nextTokenAsInt(); |
357 |
> |
|
358 |
> |
StuntDouble* sd = info_->getIOIndexToIntegrableObject(index); |
359 |
> |
|
360 |
> |
if (sd == NULL) { |
361 |
> |
return; |
362 |
> |
} |
363 |
> |
std::string type = tokenizer.nextToken(); |
364 |
> |
int size = type.size(); |
365 |
> |
|
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 |
> |
} |
392 |
> |
} |
393 |
> |
|
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 |
> |
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 |
> |
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 |
> |
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 |
> |
RealType particlePot; |
477 |
> |
particlePot = tokenizer.nextTokenAsDouble(); |
478 |
> |
sd->setParticlePot(particlePot); |
479 |
> |
break; |
480 |
> |
} |
481 |
> |
case 'c' : { |
482 |
> |
|
483 |
> |
RealType flucQPos; |
484 |
> |
flucQPos = tokenizer.nextTokenAsDouble(); |
485 |
> |
sd->setFlucQPos(flucQPos); |
486 |
> |
break; |
487 |
> |
} |
488 |
> |
case 'w' : { |
489 |
> |
|
490 |
> |
RealType flucQVel; |
491 |
> |
flucQVel = tokenizer.nextTokenAsDouble(); |
492 |
> |
sd->setFlucQVel(flucQVel); |
493 |
> |
break; |
494 |
> |
} |
495 |
> |
case 'g' : { |
496 |
> |
|
497 |
> |
RealType flucQFrc; |
498 |
> |
flucQFrc = tokenizer.nextTokenAsDouble(); |
499 |
> |
sd->setFlucQFrc(flucQFrc); |
500 |
> |
break; |
501 |
> |
} |
502 |
> |
case 'e' : { |
503 |
> |
|
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 |
> |
} |
520 |
> |
} |
521 |
> |
|
522 |
> |
} |
523 |
> |
|
524 |
> |
|
525 |
> |
void DumpReader::parseSiteLine(const std::string& line) { |
526 |
> |
|
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 |
> |
/** |
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 |
> |
/** |
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 |
> |
/** |
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 |
> |
while(inputStream.getline(buffer, bufferSize)) { |
636 |
> |
line = buffer; |
637 |
> |
|
638 |
> |
if(line.find("</StuntDoubles>") != std::string::npos) { |
639 |
> |
break; |
640 |
> |
} |
641 |
> |
|
642 |
> |
parseDumpLine(line); |
643 |
> |
} |
644 |
> |
|
645 |
> |
} |
646 |
> |
|
647 |
> |
void DumpReader::readSiteData(std::istream& inputStream) { |
648 |
> |
|
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 |
> |
while(inputStream.getline(buffer, bufferSize)) { |
658 |
> |
line = buffer; |
659 |
> |
|
660 |
> |
if(line.find("</SiteData>") != std::string::npos) { |
661 |
> |
break; |
662 |
> |
} |
663 |
> |
|
664 |
> |
parseSiteLine(line); |
665 |
> |
} |
666 |
> |
|
667 |
> |
} |
668 |
> |
|
669 |
> |
void DumpReader::readFrameProperties(std::istream& inputStream) { |
670 |
> |
|
671 |
> |
Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot(); |
672 |
> |
inputStream.getline(buffer, bufferSize); |
673 |
> |
std::string line(buffer); |
674 |
> |
|
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 |
> |
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 |
> |
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 |
> |
} |
740 |
> |
|
741 |
> |
|
742 |
> |
}//end namespace OpenMD |