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/******************************************************* |
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* |
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* Copyright (c) 2003-2010 by University of Queensland |
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* Earth Systems Science Computational Center (ESSCC) |
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* http://www.uq.edu.au/esscc |
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* |
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* Primary Business: Queensland, Australia |
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* Licensed under the Open Software License version 3.0 |
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* http://www.opensource.org/licenses/osl-3.0.php |
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* |
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*******************************************************/ |
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#include <weipa/EscriptDataset.h> |
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#include <weipa/DataVar.h> |
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|
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#if USE_SILO |
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#include <silo.h> |
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#endif |
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|
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#include <cstring> |
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#include <fstream> |
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#include <iostream> |
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#include <sstream> |
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|
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using namespace std; |
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using namespace weipa; |
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|
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string insertTimestep(const string& fString, int timeStep, int tsMultiplier) |
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{ |
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string s(fString); |
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size_t pos; |
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if ((pos = s.find("%")) != s.npos) { |
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size_t endpos = pos+1; |
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while (endpos<s.length() && s[endpos] != 'd') |
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endpos++; |
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string fmtStr = s.substr(pos, endpos-pos+1); |
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char ts[255]; |
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sprintf(ts, fmtStr.c_str(), timeStep*tsMultiplier); |
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s.replace(pos, endpos-pos+1, ts); |
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} |
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return s; |
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} |
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|
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int usage() |
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{ |
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#if USE_SILO |
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cerr << "Usage: escriptconvert {-vtk|-silo} <file.esd>" << endl; |
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#else |
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cerr << "Note: escriptconvert was compiled without Silo support!" << endl; |
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cerr << "Usage: escriptconvert [-vtk] <file.esd>" << endl; |
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#endif |
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fflush(stderr); |
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return -1; |
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} |
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|
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void cleanup() |
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{ |
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#if HAVE_MPI |
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MPI_Finalize(); |
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#endif |
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} |
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|
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int main(int argc, char** argv) |
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{ |
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#if HAVE_MPI |
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MPI_Init(&argc, &argv); |
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#endif |
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|
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// turn off for debugging purposes |
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bool writeMultiMesh = true; |
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|
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// whether time-varying datasets should use the same domain (from T=0) |
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// TODO: Add a command line option for this |
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bool writeDomainOnce = true; |
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bool doVTK = false, doSilo = false; |
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string esdFile; |
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|
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#if USE_SILO |
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if (argc != 3) { |
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cleanup(); |
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return usage(); |
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} |
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|
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if (!strcmp(argv[1], "-vtk")) { |
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doVTK = true; |
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} else if (!strcmp(argv[1], "-silo")) { |
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doSilo = true; |
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} else { |
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cleanup(); |
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return usage(); |
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} |
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esdFile = string(argv[2]); |
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|
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#else // !USE_SILO |
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if (argc == 2) { |
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esdFile = string(argv[1]); |
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} else if (argc == 3) { |
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if (strcmp(argv[1], "-vtk")) { |
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cleanup(); |
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return usage(); |
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} |
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esdFile = string(argv[2]); |
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} else { |
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cleanup(); |
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return usage(); |
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} |
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doVTK = true; |
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#endif |
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|
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if (!doVTK && !doSilo) { |
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cleanup(); |
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return usage(); |
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} |
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|
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ifstream in(esdFile.c_str()); |
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if (!in.is_open()) { |
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cerr << "Could not open " << esdFile << "." << endl; |
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cleanup(); |
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return -1; |
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} |
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// first line (header) should be "#escript datafile Vx.y" |
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char line[256]; |
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in.getline(line, 256); |
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int major, minor; |
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if (sscanf(line, "#escript datafile V%d.%d", &major, &minor) != 2) { |
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cerr << esdFile << " is not a valid escript datafile." << endl; |
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in.close(); |
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cleanup(); |
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return -1; |
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} |
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int nParts=0, nTimesteps=1, tsMultiplier=1; |
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string domainFile; |
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StringVec varFiles; |
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StringVec varNames; |
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|
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while (in.good()) { |
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in.getline(line, 256); |
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if (line[0] == '#' || strlen(line) == 0) |
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continue; |
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int iVal; |
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char sVal[256]; |
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if (sscanf(line, "N=%d", &iVal) == 1) |
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nParts = iVal; |
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else if (sscanf(line, "T=%d", &iVal) == 1) |
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nTimesteps = iVal; |
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else if (sscanf(line, "DT=%d", &iVal) == 1) |
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tsMultiplier = iVal; |
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else if (sscanf(line, "M=%s", sVal) == 1) |
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domainFile = sVal; |
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else if (sscanf(line, "V=%s", sVal) == 1 && strchr(sVal, ':')) { |
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// split into filename and variable name |
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char* colon = strchr(sVal, ':'); |
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*colon = 0; |
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varFiles.push_back(sVal); |
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varNames.push_back(colon+1); |
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} else { |
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cerr << esdFile << " is not a valid escript datafile." << endl; |
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in.close(); |
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cleanup(); |
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return -1; |
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} |
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} |
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in.close(); |
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if (nParts < 1 || domainFile == "" || nTimesteps < 1 || tsMultiplier < 1) { |
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cerr << esdFile << " is not a valid escript datafile." << endl; |
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cleanup(); |
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return -1; |
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} |
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cout << "Converting " << esdFile << "..." << endl; |
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|
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DomainChunks domainFromTzero; |
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// load and save all timesteps |
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for (int timeStep = 0; timeStep < nTimesteps; timeStep++) { |
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StringVec varFilesTS; |
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StringVec::const_iterator it; |
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// look for "%d" in filename and replace by timestep*multiplier if found |
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for (it=varFiles.begin(); it!=varFiles.end(); it++) { |
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string v = insertTimestep(*it, timeStep, tsMultiplier); |
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if (nParts > 1) |
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v.append(".nc.%04d"); |
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else |
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v.append(".nc"); |
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varFilesTS.push_back(v); |
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} |
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if (nTimesteps > 1) |
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cout << "T = " << timeStep << endl; |
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EscriptDataset* ds; |
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#if HAVE_MPI |
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ds = new EscriptDataset(MPI_COMM_WORLD); |
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#else |
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ds = new EscriptDataset(); |
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#endif |
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if (writeDomainOnce && timeStep > 0) { |
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if (!ds->loadNetCDF(domainFromTzero, varFilesTS, varNames)) { |
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delete ds; |
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break; |
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} |
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} else { |
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string domainTS = insertTimestep(domainFile, timeStep, tsMultiplier); |
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if (nParts > 1) |
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domainTS.append(".nc.%04d"); |
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else |
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domainTS.append(".nc"); |
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|
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if (!ds->loadNetCDF(domainTS, varFilesTS, varNames, nParts)) { |
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delete ds; |
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break; |
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} |
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} |
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string baseName(esdFile); |
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size_t dot = baseName.rfind('.'); |
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if (dot != baseName.npos) |
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baseName.erase(dot, baseName.length()-dot); |
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ds->setCycleAndTime(timeStep, (double)timeStep); |
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ostringstream outFilename; |
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outFilename << baseName; |
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if (nTimesteps > 1) |
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outFilename << "." << timeStep; |
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if (doSilo) { |
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outFilename << ".silo"; |
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ds->saveSilo(outFilename.str(), writeMultiMesh); |
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} else { |
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outFilename << ".vtu"; |
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ds->saveVTK(outFilename.str()); |
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} |
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// keep domain from first timestep if it should be reused |
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if (writeDomainOnce && nTimesteps > 1 && timeStep == 0) { |
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domainFromTzero = ds->getConvertedDomain(); |
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domainFile = outFilename.str(); |
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DomainChunks::iterator domIt; |
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if (doSilo) { |
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for (domIt = domainFromTzero.begin(); |
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domIt != domainFromTzero.end(); |
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domIt++) |
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{ |
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// Prepend Silo mesh paths with the filename of the mesh |
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// to be used |
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string fullSiloPath = domainFile + string(":"); |
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fullSiloPath += (*domIt)->getSiloPath(); |
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(*domIt)->setSiloPath(fullSiloPath); |
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} |
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} |
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} |
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delete ds; |
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} |
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cout << "All done." << endl; |
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cleanup(); |
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|
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return 0; |
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} |
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