88ca081c8c
- Less looping when detecting lagrangian clouds and their fields. - Avoid using Time::setTime() and IOobjectList in tight loops. They both kill performance immensely. ENH: provide a -noLagrangian option to foamToEnsight and foamToEnsightParts for even more control.
94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
// check all time directories for the following:
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// The fields for each cloud:
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HashTable<HashTable<word>> cloudFields;
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// Identify if lagrangian data exist at any time step.
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if (timeDirs.size() && !noLagrangian)
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{
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const fileName& baseDir = mesh.time().path();
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const fileName& cloudPrefix = regionPrefix/cloud::prefix;
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Info<< "Searching for lagrangian ... " << flush;
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forAll(timeDirs, timeI)
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{
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const word& timeName = timeDirs[timeI].name();
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// DO NOT USE -->> runTime.setTime(timeDirs[timeI], timeI); <<--
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// It incurs a large overhead when done so frequently.
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fileNameList cloudDirs = readDir
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(
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baseDir/timeName/cloudPrefix,
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fileName::DIRECTORY
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);
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forAll(cloudDirs, cloudI)
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{
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const word& cloudName = cloudDirs[cloudI];
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IOobjectList cloudObjs
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(
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mesh,
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timeName,
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cloudPrefix/cloudName
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);
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// clouds always require "positions"
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if (cloudObjs.found("positions"))
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{
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HashTable<HashTable<word>>::iterator cloudIter =
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cloudFields.find(cloudName);
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if (cloudIter == cloudFields.end())
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{
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// A newly discovered cloud
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cloudFields.insert(cloudName, HashTable<word>());
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cloudIter = cloudFields.find(cloudName);
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}
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forAllConstIter(IOobjectList, cloudObjs, fieldIter)
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{
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const IOobject obj = *fieldIter();
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// Add field and field type
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cloudIter().insert
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(
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obj.name(),
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obj.headerClassName()
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);
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}
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}
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}
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}
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// prune out "positions" again since it gets treated specially
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forAllIter(HashTable<HashTable<word>>, cloudFields, cloudIter)
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{
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cloudIter().erase("positions");
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}
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if (cloudFields.empty())
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{
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Info<< "none detected." << endl;
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}
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}
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// sorted list of cloud names
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const wordList cloudNames(cloudFields.sortedToc());
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if (cloudNames.size())
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{
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// complete the echo information
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Info<< "(";
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forAll(cloudNames, cloudNo)
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{
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Info<< ' ' << cloudNames[cloudNo];
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}
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Info<< " ) " << endl;
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}
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// ************************************************************************* //
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