lagrangianWriter.C

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License
    This file is part of OpenFOAM.
 
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#include "lagrangianWriter.H"
#include "vtkWriteFieldOps.H"
#include "Cloud.H"
#include "passiveParticle.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::lagrangianWriter::lagrangianWriter
(
    const vtkMesh& vMesh,
    const bool binary,
    const fileName& fName,
    const word& cloudName,
    const bool dummyCloud
)
:
    vMesh_(vMesh),
    binary_(binary),
    fName_(fName),
    cloudName_(cloudName),
    os_(fName.c_str())
{
    const fvMesh& mesh = vMesh_.mesh();
 
    // Write header
    vtkWriteOps::writeHeader(os_, binary_, mesh.time().caseName());
    os_ << "DATASET POLYDATA" << std::endl;
 
    if (dummyCloud)
    {
        nParcels_ = 0;
 
        os_ << "POINTS " << nParcels_ << " float" << std::endl;
 
        os_ << "VERTICES " << nParcels_ << ' ' << 2*nParcels_ << std::endl;
    }
    else
    {
        lagrangian::Cloud<passiveParticle> parcels(mesh, cloudName_, false);
 
        nParcels_ = parcels.size();
 
        os_ << "POINTS " << nParcels_ << " float" << std::endl;
 
        DynamicList<floatScalar> partField(3*parcels.size());
        forAllConstIter(lagrangian::Cloud<passiveParticle>, parcels, elmnt)
        {
            vtkWriteOps::insert(elmnt().position(mesh), partField);
        }
        vtkWriteOps::write(os_, binary_, partField);
 
        os_ << "VERTICES " << nParcels_ << ' ' << 2*nParcels_ << std::endl;
 
        DynamicList<label> vertexPoints(2*parcels.size());
        forAll(parcels, parceli)
        {
            vertexPoints.append(1);
            vertexPoints.append(parceli);
        }
        vtkWriteOps::write(os_, binary, vertexPoints);
    }
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::lagrangianWriter::writeFieldsHeader(const label nFields)
{
    os_ << "POINT_DATA " << nParcels_ << std::endl
        << "FIELD attributes " << nFields
        << std::endl;
}
 
 
// ************************************************************************* //