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foam-extend4.1-coherent-io/applications/utilities/postProcessing/graphics/PV3FoamReader/vtkPV3Foam/vtkPV3FoamMeshLagrangian.C
2016-06-21 15:04:12 +02:00

111 lines
3.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 4.0
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
Description
\*---------------------------------------------------------------------------*/
#include "vtkPV3Foam.H"
// Foam includes
#include "Cloud.H"
#include "fvMesh.H"
#include "IOobjectList.H"
#include "passiveParticle.H"
#include "vtkPV3FoamPoints.H"
// VTK includes
#include "vtkCellArray.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
vtkPolyData* Foam::vtkPV3Foam::lagrangianVTKMesh
(
const fvMesh& mesh,
const word& cloudName
)
{
vtkPolyData* vtkmesh = NULL;
if (debug)
{
Info<< "<beg> Foam::vtkPV3Foam::lagrangianVTKMesh - timePath "
<< mesh.time().timePath()/cloud::prefix/cloudName << endl;
printMemory();
}
// the region name is already in the mesh db
IOobjectList sprayObjs
(
mesh,
mesh.time().timeName(),
cloud::prefix/cloudName
);
IOobject* positionsPtr = sprayObjs.lookup("positions");
if (positionsPtr)
{
Cloud<passiveParticle> parcels(mesh, cloudName, false);
if (debug)
{
Info<< "cloud with " << parcels.size() << " parcels" << endl;
}
vtkmesh = vtkPolyData::New();
vtkPoints* vtkpoints = vtkPoints::New();
vtkCellArray* vtkcells = vtkCellArray::New();
vtkpoints->Allocate( parcels.size() );
vtkcells->Allocate( parcels.size() );
vtkIdType particleId = 0;
forAllConstIter(Cloud<passiveParticle>, parcels, iter)
{
vtkPV3FoamInsertNextPoint(vtkpoints, iter().position());
vtkcells->InsertNextCell(1, &particleId);
particleId++;
}
vtkmesh->SetPoints(vtkpoints);
vtkpoints->Delete();
vtkmesh->SetVerts(vtkcells);
vtkcells->Delete();
}
if (debug)
{
Info<< "<end> Foam::vtkPV3Foam::lagrangianVTKMesh" << endl;
printMemory();
}
return vtkmesh;
}
// ************************************************************************* //