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OpenFOAM-dev / data /applications /utilities /postProcessing /dataConversion /foamToVTK /foamToVTK.C
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
foamToVTK
Description
Legacy VTK file format writer.
- Handles volFields, volFields::Internal, pointFields,
surfaceScalarField and surfaceVectorField.
- Mesh topo changes.
- Both ascii and binary.
- Single time step writing.
- Write subset only.
- Automatic decomposition of cells; polygons on boundary undecomposed since
handled by vtk.
Usage
\b foamToVTK [OPTION]
Options:
- \par -ascii
Write VTK data in ASCII format instead of binary.
- \par -mesh \<name\>
Use a different mesh name (instead of -region)
- \par -fields \<fields\>
Convert selected fields only. For example,
\verbatim
-fields "( p T U )"
\endverbatim
The quoting is required to avoid shell expansions and to pass the
information as a single argument.
- \par -surfaceFields
Write surfaceScalarFields (e.g., phi)
- \par -cellSet \<name\>
- \par -faceSet \<name\>
- \par -pointSet \<name\>
Restrict conversion to the cellSet, faceSet or pointSet.
- \par -nearCellValue
Output cell value on patches instead of patch value itself
- \par -noInternal
Do not generate file for mesh, only for patches
- \par -noPointValues
No pointFields
- \par -noFaceZones
No faceZones
- \par -noLinks
(in parallel) do not link processor files to master
- \par -polyhedra
Which cell types to write as polyhedra - 'none', 'polyhedra', or 'all'
- \par -allPatches
Combine all patches into a single file
- \par -excludePatches \<patchNames\>
Specify patches (wildcards) to exclude. For example,
\verbatim
-excludePatches '( inlet_1 inlet_2 "proc.*")'
\endverbatim
The quoting is required to avoid shell expansions and to pass the
information as a single argument. The double quotes denote a regular
expression.
- \par -useTimeName
use the time index in the VTK file name instead of the time index
Note:
mesh subset is handled by vtkMesh. Slight inconsistency in
interpolation: on the internal field it interpolates the whole volField
to the whole-mesh pointField and then selects only those values it
needs for the subMesh (using the fvMeshSubset cellMap(), pointMap()
functions). For the patches however it uses the
fvMeshSubset.interpolate function to directly interpolate the
whole-mesh values onto the subset patch.
\par new file format:
no automatic timestep recognition.
However can have .pvd file format which refers to time simulation
if XML *.vtu files are available:
\verbatim
<?xml version="1.0"?>
<VTKFile type="Collection"
version="0.1"
byte_order="LittleEndian"
compressor="vtkZLibDataCompressor">
<Collection>
<DataSet timestep="50" file="pitzDaily_2.vtu"/>
<DataSet timestep="100" file="pitzDaily_3.vtu"/>
<DataSet timestep="150" file="pitzDaily_4.vtu"/>
<DataSet timestep="200" file="pitzDaily_5.vtu"/>
<DataSet timestep="250" file="pitzDaily_6.vtu"/>
<DataSet timestep="300" file="pitzDaily_7.vtu"/>
<DataSet timestep="350" file="pitzDaily_8.vtu"/>
<DataSet timestep="400" file="pitzDaily_9.vtu"/>
<DataSet timestep="450" file="pitzDaily_10.vtu"/>
<DataSet timestep="500" file="pitzDaily_11.vtu"/>
</Collection>
</VTKFile>
\endverbatim
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "timeSelector.H"
#include "pointMesh.H"
#include "volPointInterpolation.H"
#include "emptyPolyPatch.H"
#include "nonConformalPolyPatch.H"
#include "labelIOField.H"
#include "scalarIOField.H"
#include "sphericalTensorIOField.H"
#include "symmTensorIOField.H"
#include "tensorIOField.H"
#include "faceZoneList.H"
#include "Cloud.H"
#include "passiveParticle.H"
#include "stringListOps.H"
#include "vtkMesh.H"
#include "readFields.H"
#include "vtkWriteOps.H"
#include "internalWriter.H"
#include "patchWriter.H"
#include "lagrangianWriter.H"
#include "writeFaceSet.H"
#include "writePointSet.H"
#include "surfaceMeshWriter.H"
#include "writeSurfFields.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<class GeoField>
void print(const char* msg, Ostream& os, const PtrList<const GeoField>& flds)
{
if (flds.size())
{
os << msg;
forAll(flds, i)
{
os << ' ' << flds[i].name();
}
os << endl;
}
}
void print(Ostream& os, const wordList& flds)
{
forAll(flds, i)
{
os << ' ' << flds[i];
}
os << endl;
}
labelList getSelectedPatches
(
const polyBoundaryMesh& patches,
const List<wordRe>& excludePatches
)
{
DynamicList<label> patchIDs(patches.size());
Info<< "Combining patches:" << endl;
forAll(patches, patchi)
{
const polyPatch& pp = patches[patchi];
if
(
isA<emptyPolyPatch>(pp)
|| isA<nonConformalPolyPatch>(pp)
|| (Pstream::parRun() && isType<processorPolyPatch>(pp))
)
{
Info<< " discarding empty/nonConformal/processor patch "
<< patchi << " " << pp.name() << endl;
}
else if (findStrings(excludePatches, pp.name()))
{
Info<< " excluding patch " << patchi
<< " " << pp.name() << endl;
}
else
{
patchIDs.append(patchi);
Info<< " patch " << patchi << " " << pp.name() << endl;
}
}
return patchIDs.shrink();
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
argList::addNote
(
"legacy VTK file format writer"
);
timeSelector::addOptions();
#include "addRegionOption.H"
argList::addOption
(
"fields",
"wordList",
"only convert the specified fields - eg '(p T U)'"
);
argList::addOption
(
"cellSet",
"name",
"convert a mesh subset corresponding to the specified cellSet"
);
argList::addOption
(
"faceSet",
"name",
"restrict conversion to the specified faceSet"
);
argList::addOption
(
"pointSet",
"name",
"restrict conversion to the specified pointSet"
);
argList::addBoolOption
(
"ascii",
"write in ASCII format instead of binary"
);
argList::addOption
(
"polyhedra",
"types",
"cell types to write as polyhedra - 'none', 'polyhedra', or 'all'"
);
argList::addBoolOption
(
"surfaceFields",
"write surfaceScalarFields (e.g., phi)"
);
argList::addBoolOption
(
"nearCellValue",
"use cell value on patches instead of patch value itself"
);
argList::addBoolOption
(
"noInternal",
"do not generate file for mesh, only for patches"
);
argList::addBoolOption
(
"noPointValues",
"no pointFields"
);
argList::addBoolOption
(
"allPatches",
"combine all patches into a single file"
);
argList::addOption
(
"excludePatches",
"wordReList",
"a list of patches to exclude - eg '( inlet \".*Wall\" )' "
);
argList::addBoolOption
(
"noFaceZones",
"no faceZones"
);
argList::addBoolOption
(
"noLinks",
"don't link processor VTK files - parallel only"
);
argList::addBoolOption
(
"useTimeName",
"use the time name instead of the time index when naming the files"
);
#include "setRootCase.H"
#include "createTime.H"
const bool doWriteInternal = !args.optionFound("noInternal");
const bool doFaceZones = !args.optionFound("noFaceZones");
const bool doLinks = !args.optionFound("noLinks");
bool binary = !args.optionFound("ascii");
const bool useTimeName = args.optionFound("useTimeName");
const vtkTopo::vtkPolyhedra polyhedra =
vtkTopo::vtkPolyhedraNames_
[
args.optionLookupOrDefault<word>
(
"polyhedra",
vtkTopo::vtkPolyhedraNames_[vtkTopo::vtkPolyhedra::none]
)
];
if (binary && (sizeof(floatScalar) != 4 || sizeof(label) != 4))
{
WarningInFunction
<< "Using ASCII rather than binary VTK format because "
"floatScalar and/or label are not 4 bytes in size."
<< nl << endl;
binary = false;
}
const bool nearCellValue = args.optionFound("nearCellValue");
if (nearCellValue)
{
WarningInFunction
<< "Using neighbouring cell value instead of patch value"
<< nl << endl;
}
const bool noPointValues = args.optionFound("noPointValues");
if (noPointValues)
{
WarningInFunction
<< "Outputting cell values only" << nl << endl;
}
const bool allPatches = args.optionFound("allPatches");
List<wordRe> excludePatches;
if (args.optionFound("excludePatches"))
{
args.optionLookup("excludePatches")() >> excludePatches;
Info<< "Not including patches " << excludePatches << nl << endl;
}
word cellSetName;
word faceSetName;
word pointSetName;
string vtkName = runTime.caseName();
if (args.optionReadIfPresent("cellSet", cellSetName))
{
vtkName = cellSetName;
}
else if (Pstream::parRun())
{
// Strip off leading casename, leaving just processor_DDD ending.
string::size_type i = vtkName.rfind("processor");
if (i != string::npos)
{
vtkName = vtkName.substr(i);
}
}
args.optionReadIfPresent("faceSet", faceSetName);
args.optionReadIfPresent("pointSet", pointSetName);
const instantList timeDirs = timeSelector::select0(runTime, args);
#include "createRegionMeshNoChangers.H"
// VTK/ directory in the case
fileName fvPath(runTime.path()/"VTK");
// Directory of mesh (region0 gets filtered out)
fileName regionPrefix = "";
if (regionName != polyMesh::defaultRegion)
{
fvPath = fvPath/regionName;
regionPrefix = regionName;
}
if (isDir(fvPath))
{
if
(
args.optionFound("time")
|| args.optionFound("latestTime")
|| cellSetName.size()
|| faceSetName.size()
|| pointSetName.size()
|| regionName != polyMesh::defaultRegion
)
{
Info<< "Keeping old VTK files in " << fvPath << nl << endl;
}
else
{
Info<< "Deleting old VTK files in " << fvPath << nl << endl;
rmDir(fvPath);
}
}
mkDir(fvPath);
// Mesh wrapper; does subsetting and decomposition
vtkMesh vMesh(mesh, polyhedra, cellSetName);
// Scan for all possible lagrangian clouds
HashSet<fileName> allCloudDirs;
forAll(timeDirs, timeI)
{
runTime.setTime(timeDirs[timeI], timeI);
fileNameList cloudDirs
(
readDir
(
runTime.timePath()/regionPrefix/lagrangian::cloud::prefix,
fileType::directory
)
);
forAll(cloudDirs, i)
{
IOobjectList sprayObjs
(
mesh,
runTime.name(),
lagrangian::cloud::prefix/cloudDirs[i]
);
IOobject* positionsPtr = sprayObjs.lookup(word("positions"));
if (positionsPtr)
{
if (allCloudDirs.insert(cloudDirs[i]))
{
Info<< "At time: " << runTime.name()
<< " detected cloud directory : " << cloudDirs[i]
<< endl;
}
}
}
}
forAll(timeDirs, timeI)
{
runTime.setTime(timeDirs[timeI], timeI);
Info<< "Time: " << runTime.name() << endl;
word timeDesc =
useTimeName ? runTime.name() : Foam::name(runTime.timeIndex());
// Check for new polyMesh/ and update mesh, fvMeshSubset and cell
// decomposition.
fvMesh::readUpdateState meshState = vMesh.readUpdate();
const fvMesh& mesh = vMesh.mesh();
if (meshState >= fvMesh::TOPO_CHANGE)
{
Info<< " Read new mesh" << nl << endl;
}
// If faceSet: write faceSet only (as polydata)
if (faceSetName.size())
{
// Load the faceSet
faceSet set(mesh, faceSetName);
// Filename as if patch with same name.
mkDir(fvPath/set.name());
fileName patchFileName
(
fvPath/set.name()/set.name()
+ "_"
+ timeDesc
+ ".vtk"
);
Info<< " FaceSet : " << patchFileName << endl;
writeFaceSet(binary, vMesh, set, patchFileName);
continue;
}
// If pointSet: write pointSet only (as polydata)
if (pointSetName.size())
{
// Load the pointSet
pointSet set(mesh, pointSetName);
// Filename as if patch with same name.
mkDir(fvPath/set.name());
fileName patchFileName
(
fvPath/set.name()/set.name()
+ "_"
+ timeDesc
+ ".vtk"
);
Info<< " pointSet : " << patchFileName << endl;
writePointSet(binary, vMesh, set, patchFileName);
continue;
}
// Search for list of objects for this time
IOobjectList objects(mesh, runTime.name());
HashSet<word> selectedFields;
bool specifiedFields = args.optionReadIfPresent
(
"fields",
selectedFields
);
// Construct the vol internal fields (on the original mesh if subsetted)
PtrList<const volInternalScalarField> visf;
PtrList<const volInternalVectorField> vivf;
PtrList<const volInternalSphericalTensorField> visptf;
PtrList<const volInternalSymmTensorField> visytf;
PtrList<const volInternalTensorField> vitf;
if (!specifiedFields || selectedFields.size())
{
readFields(vMesh, vMesh.baseMesh(), objects, selectedFields, visf);
print(" volInternalScalarField :", Info, visf);
readFields(vMesh, vMesh.baseMesh(), objects, selectedFields, vivf);
print(" volInternalVectorField :", Info, vivf);
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
visptf
);
print(" volSphericalTensorFields::Internal :", Info, visptf);
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
visytf
);
print(" volSymmTensorFields::Internal :", Info, visytf);
readFields(vMesh, vMesh.baseMesh(), objects, selectedFields, vitf);
print(" volTensorFields::Internal :", Info, vitf);
}
label nVolInternalFields =
visf.size()
+ vivf.size()
+ visptf.size()
+ visytf.size()
+ vitf.size();
// Construct the vol fields (on the original mesh if subsetted)
PtrList<const volScalarField> vsf;
PtrList<const volVectorField> vvf;
PtrList<const volSphericalTensorField> vsptf;
PtrList<const volSymmTensorField> vsytf;
PtrList<const volTensorField> vtf;
if (!specifiedFields || selectedFields.size())
{
readFields(vMesh, vMesh.baseMesh(), objects, selectedFields, vsf);
print(" volScalarFields :", Info, vsf);
readFields(vMesh, vMesh.baseMesh(), objects, selectedFields, vvf);
print(" volVectorFields :", Info, vvf);
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
vsptf
);
print(" volSphericalTensorFields :", Info, vsptf);
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
vsytf
);
print(" volSymmTensorFields :", Info, vsytf);
readFields(vMesh, vMesh.baseMesh(), objects, selectedFields, vtf);
print(" volTensorFields :", Info, vtf);
}
label nVolFields =
vsf.size()
+ vvf.size()
+ vsptf.size()
+ vsytf.size()
+ vtf.size();
// Construct pointMesh only if requested
if (noPointValues)
{
Info<< " pointScalarFields : switched off"
<< " (\"-noPointValues\" (at your option)\n";
Info<< " pointVectorFields : switched off"
<< " (\"-noPointValues\" (at your option)\n";
}
PtrList<const pointScalarField> psf;
PtrList<const pointVectorField> pvf;
PtrList<const pointSphericalTensorField> psptf;
PtrList<const pointSymmTensorField> psytf;
PtrList<const pointTensorField> ptf;
if (!noPointValues && !(specifiedFields && selectedFields.empty()))
{
readFields
(
vMesh,
pointMesh::New(vMesh.baseMesh()),
objects,
selectedFields,
psf
);
print(" pointScalarFields :", Info, psf);
readFields
(
vMesh,
pointMesh::New(vMesh.baseMesh()),
objects,
selectedFields,
pvf
);
print(" pointVectorFields :", Info, pvf);
readFields
(
vMesh,
pointMesh::New(vMesh.baseMesh()),
objects,
selectedFields,
psptf
);
print(" pointSphericalTensorFields :", Info, psptf);
readFields
(
vMesh,
pointMesh::New(vMesh.baseMesh()),
objects,
selectedFields,
psytf
);
print(" pointSymmTensorFields :", Info, psytf);
readFields
(
vMesh,
pointMesh::New(vMesh.baseMesh()),
objects,
selectedFields,
ptf
);
print(" pointTensorFields :", Info, ptf);
}
Info<< endl;
label nPointFields =
psf.size()
+ pvf.size()
+ psptf.size()
+ psytf.size()
+ ptf.size();
if (doWriteInternal)
{
// Create file and write header
fileName vtkFileName
(
fvPath/vtkName
+ "_"
+ timeDesc
+ ".vtk"
);
Info<< " Internal : " << vtkFileName << endl;
// Write mesh
internalWriter writer(vMesh, binary, vtkFileName);
// cellID + volFields::Internal + VolFields
vtkWriteOps::writeCellDataHeader
(
writer.os(),
vMesh.nFieldCells(),
1 + nVolInternalFields + nVolFields
);
// Write cellID field
writer.writeCellIndices();
// Write volFields::Internal
writer.write(visf);
writer.write(vivf);
writer.write(visptf);
writer.write(visytf);
writer.write(vitf);
// Write volFields
writer.write(vsf);
writer.write(vvf);
writer.write(vsptf);
writer.write(vsytf);
writer.write(vtf);
if (!noPointValues)
{
vtkWriteOps::writePointDataHeader
(
writer.os(),
vMesh.nFieldPoints(),
nVolFields + nPointFields
);
// pointFields
writer.write(psf);
writer.write(pvf);
writer.write(psptf);
writer.write(psytf);
writer.write(ptf);
// Interpolated volFields
const volPointInterpolation& pInterp
(
volPointInterpolation::New(mesh)
);
writer.write(pInterp, vsf);
writer.write(pInterp, vvf);
writer.write(pInterp, vsptf);
writer.write(pInterp, vsytf);
writer.write(pInterp, vtf);
}
}
//---------------------------------------------------------------------
//
// Write surface fields
//
//---------------------------------------------------------------------
if (args.optionFound("surfaceFields"))
{
PtrList<const surfaceScalarField> ssf;
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
ssf
);
print(" surfScalarFields :", Info, ssf);
PtrList<const surfaceVectorField> svf;
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
svf
);
print(" surfVectorFields :", Info, svf);
if (ssf.size() + svf.size() > 0)
{
// Rework the scalar fields into vectorfields.
label sz = svf.size();
svf.setSize(sz + ssf.size());
surfaceVectorField n(mesh.Sf()/mesh.magSf());
forAll(ssf, i)
{
surfaceVectorField* ssfiPtr = eval(ssf[i]*n).ptr();
ssfiPtr->rename(ssf[i].name());
svf.set(sz+i, ssfiPtr);
}
ssf.clear();
mkDir(fvPath / "surfaceFields");
fileName surfFileName
(
fvPath
/"surfaceFields"
/"surfaceFields"
+ "_"
+ timeDesc
+ ".vtk"
);
writeSurfFields
(
binary,
vMesh,
surfFileName,
svf
);
}
}
//---------------------------------------------------------------------
//
// Write patches (POLYDATA file, one for each patch)
//
//---------------------------------------------------------------------
const polyBoundaryMesh& patches = mesh.poly().boundary();
const labelList patchIDs(getSelectedPatches(patches, excludePatches));
if (allPatches)
{
mkDir(fvPath/"allPatches");
fileName patchFileName;
if (vMesh.useSubMesh())
{
patchFileName =
fvPath/"allPatches"/cellSetName
+ "_"
+ timeDesc
+ ".vtk";
}
else
{
patchFileName =
fvPath/"allPatches"/"allPatches"
+ "_"
+ timeDesc
+ ".vtk";
}
Info<< " Combined patches : " << patchFileName << endl;
patchWriter writer
(
vMesh,
binary,
nearCellValue,
patchFileName,
getSelectedPatches(patches, excludePatches)
);
// VolFields + patchID
vtkWriteOps::writeCellDataHeader
(
writer.os(),
writer.nFaces(),
1 + nVolFields
);
// Write patchID field
writer.writePatchIndices();
// Write volFields
writer.write(vsf);
writer.write(vvf);
writer.write(vsptf);
writer.write(vsytf);
writer.write(vtf);
if (!noPointValues)
{
vtkWriteOps::writePointDataHeader
(
writer.os(),
writer.nPoints(),
nPointFields
);
// Write pointFields
writer.write(psf);
writer.write(pvf);
writer.write(psptf);
writer.write(psytf);
writer.write(ptf);
}
}
else
{
forAll(patchIDs, i)
{
const polyPatch& pp = patches[patchIDs[i]];
mkDir(fvPath/pp.name());
fileName patchFileName;
if (vMesh.useSubMesh())
{
patchFileName =
fvPath/pp.name()/cellSetName
+ "_"
+ timeDesc
+ ".vtk";
}
else
{
patchFileName =
fvPath/pp.name()/pp.name()
+ "_"
+ timeDesc
+ ".vtk";
}
Info<< " Patch : " << patchFileName << endl;
patchWriter writer
(
vMesh,
binary,
nearCellValue,
patchFileName,
labelList(1, patchIDs[i])
);
// VolFields + patchID
vtkWriteOps::writeCellDataHeader
(
writer.os(),
writer.nFaces(),
1 + nVolFields
);
// Write patchID field
writer.writePatchIndices();
// Write volFields
writer.write(vsf);
writer.write(vvf);
writer.write(vsptf);
writer.write(vsytf);
writer.write(vtf);
if (!noPointValues)
{
vtkWriteOps::writePointDataHeader
(
writer.os(),
writer.nPoints(),
nVolFields
+ nPointFields
);
// Write pointFields
writer.write(psf);
writer.write(pvf);
writer.write(psptf);
writer.write(psytf);
writer.write(ptf);
PrimitivePatchInterpolation<primitivePatch> pInter
(
pp
);
// Write interpolated volFields
writer.write(pInter, vsf);
writer.write(pInter, vvf);
writer.write(pInter, vsptf);
writer.write(pInter, vsytf);
writer.write(pInter, vtf);
}
}
}
//---------------------------------------------------------------------
//
// Write faceZones (POLYDATA file, one for each zone)
//
//---------------------------------------------------------------------
if (doFaceZones)
{
PtrList<const surfaceScalarField> ssf;
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
ssf
);
print(" surfScalarFields :", Info, ssf);
PtrList<const surfaceVectorField> svf;
readFields
(
vMesh,
vMesh.baseMesh(),
objects,
selectedFields,
svf
);
print(" surfVectorFields :", Info, svf);
const faceZoneList& zones = mesh.faceZones();
forAll(zones, zoneI)
{
const faceZone& fz = zones[zoneI];
mkDir(fvPath/fz.name());
fileName patchFileName;
if (vMesh.useSubMesh())
{
patchFileName =
fvPath/fz.name()/cellSetName
+ "_"
+ timeDesc
+ ".vtk";
}
else
{
patchFileName =
fvPath/fz.name()/fz.name()
+ "_"
+ timeDesc
+ ".vtk";
}
Info<< " FaceZone : " << patchFileName << endl;
indirectPrimitivePatch pp
(
IndirectList<face>(mesh.faces(), fz),
mesh.points()
);
surfaceMeshWriter writer
(
binary,
pp,
fz.name(),
patchFileName
);
// Number of fields
vtkWriteOps::writeCellDataHeader
(
writer.os(),
pp.size(),
ssf.size() + svf.size()
);
writer.write(ssf);
writer.write(svf);
}
}
//---------------------------------------------------------------------
//
// Write lagrangian data
//
//---------------------------------------------------------------------
forAllConstIter(HashSet<fileName>, allCloudDirs, iter)
{
const fileName& cloudName = iter.key();
// Always create the cloud directory.
mkDir(fvPath/lagrangian::cloud::prefix/cloudName);
fileName lagrFileName
(
fvPath/lagrangian::cloud::prefix/cloudName/cloudName
+ "_" + timeDesc + ".vtk"
);
Info<< " Lagrangian: " << lagrFileName << endl;
IOobjectList sprayObjs
(
mesh,
runTime.name(),
lagrangian::cloud::prefix/cloudName
);
IOobject* positionsPtr = sprayObjs.lookup(word("positions"));
if (positionsPtr)
{
wordList labelNames(sprayObjs.names(labelIOField::typeName));
Info<< " labels :";
print(Info, labelNames);
wordList scalarNames(sprayObjs.names(scalarIOField::typeName));
Info<< " scalars :";
print(Info, scalarNames);
wordList vectorNames(sprayObjs.names(vectorIOField::typeName));
Info<< " vectors :";
print(Info, vectorNames);
wordList sphereNames
(
sprayObjs.names
(
sphericalTensorIOField::typeName
)
);
Info<< " spherical tensors :";
print(Info, sphereNames);
wordList symmNames
(
sprayObjs.names
(
symmTensorIOField::typeName
)
);
Info<< " symm tensors :";
print(Info, symmNames);
wordList tensorNames(sprayObjs.names(tensorIOField::typeName));
Info<< " tensors :";
print(Info, tensorNames);
lagrangianWriter writer
(
vMesh,
binary,
lagrFileName,
cloudName,
false
);
// Write number of fields
writer.writeFieldsHeader
(
labelNames.size()
+ scalarNames.size()
+ vectorNames.size()
+ sphereNames.size()
+ symmNames.size()
+ tensorNames.size()
);
// Fields
writer.writeIOField<label>(labelNames);
writer.writeIOField<scalar>(scalarNames);
writer.writeIOField<vector>(vectorNames);
writer.writeIOField<sphericalTensor>(sphereNames);
writer.writeIOField<symmTensor>(symmNames);
writer.writeIOField<tensor>(tensorNames);
}
else
{
lagrangianWriter writer
(
vMesh,
binary,
lagrFileName,
cloudName,
true
);
// Write number of fields
writer.writeFieldsHeader(0);
}
}
}
//---------------------------------------------------------------------
//
// Link parallel outputs back to undecomposed case for ease of loading
//
//---------------------------------------------------------------------
if (Pstream::parRun() && doLinks)
{
mkDir(runTime.globalPath()/"VTK");
chDir(runTime.globalPath()/"VTK");
Info<< "Linking all processor files to " << runTime.globalPath()/"VTK"
<< endl;
// Get list of vtk files
fileName procVTK
(
fileName("..")
/"processor" + name(Pstream::myProcNo())
/"VTK"
);
fileNameList dirs(readDir(procVTK, fileType::directory));
label sz = dirs.size();
dirs.setSize(sz + 1);
dirs[sz] = ".";
forAll(dirs, i)
{
fileNameList subFiles(readDir(procVTK/dirs[i], fileType::file));
forAll(subFiles, j)
{
fileName procFile(procVTK/dirs[i]/subFiles[j]);
if (exists(procFile))
{
ln
(
procFile,
"processor"
+ name(Pstream::myProcNo())
+ "_"
+ procFile.name()
);
}
}
}
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //