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foam-extend4.1-coherent-io/applications/utilities/postProcessing/dataConversion/foamToVTK/vtkMesh.H
2013-12-11 16:09:41 +00:00

190 lines
4.9 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration |
\\ / A nd | For copyright notice see file Copyright
\\/ M anipulation |
-------------------------------------------------------------------------------
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/>.
Class
Foam::vtkMesh
Description
Encapsulation of VTK mesh data. Holds mesh or meshsubset and
polyhedral-cell decomposition on it.
SourceFiles
vtkMesh.C
\*---------------------------------------------------------------------------*/
#ifndef vtkMesh_H
#define vtkMesh_H
#include "vtkTopo.H"
#include "fvMeshSubset.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
class Time;
/*---------------------------------------------------------------------------*\
Class vtkMesh Declaration
\*---------------------------------------------------------------------------*/
class vtkMesh
:
public fvMesh
{
// Private data
//- Mesh subset
fvMeshSubset subsetMesh_;
//- Current cellSet (or empty)
const word setName_;
//- Current decomposition of topology
mutable autoPtr<vtkTopo> topoPtr_;
// Private Member Functions
//- Disallow default bitwise copy construct
vtkMesh(const vtkMesh&);
//- Disallow default bitwise assignment
void operator=(const vtkMesh&);
public:
// Constructors
//- Construct from components
vtkMesh(const IOobject& io, const word& setName = "");
// Destructor
virtual ~vtkMesh();
// Member Functions
// Access
const fvMeshSubset& subsetMesh() const
{
return subsetMesh_;
}
//- Check if running subMesh
bool useSubMesh() const
{
return setName_.size();
}
//- topology
const vtkTopo& topo() const
{
if (topoPtr_.empty())
{
topoPtr_.reset(new vtkTopo(mesh()));
}
return topoPtr_();
}
//- Access either mesh or submesh
const fvMesh& mesh() const
{
if (useSubMesh())
{
return subsetMesh_.subMesh();
}
else
{
return *this;
}
}
//- Access either pointMesh of base or pointMesh of subset
const pointMesh& pMesh() const
{
if (useSubMesh())
{
return pointMesh::New(subsetMesh_.subMesh());
}
else
{
return pointMesh::New(*this);
}
}
//- Number of field cells
label nFieldCells() const
{
return topo().cellTypes().size();
}
//- Number of field points
label nFieldPoints() const
{
return mesh().nPoints() + topo().addPointCellLabels().size();
}
// Edit
//- Read mesh
polyMesh::readUpdateState readUpdate();
//- Map volume field (does in fact do very little interpolation;
// just copied from fvMeshSubset)
template<class GeoField>
tmp<GeoField> interpolate(const GeoField& fld) const
{
if (useSubMesh())
{
tmp<GeoField> subFld = subsetMesh_.interpolate(fld);
subFld().rename(fld.name());
return subFld;
}
else
{
return fld;
}
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //