180 lines
4.6 KiB
C++
180 lines
4.6 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::vtkMesh
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Description
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Encapsulation of VTK mesh data. Holds mesh or meshsubset and
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polyhedral-cell decomposition on it.
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SourceFiles
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vtkMesh.C
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\*---------------------------------------------------------------------------*/
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#ifndef vtkMesh_H
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#define vtkMesh_H
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#include "vtkTopo.H"
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#include "fvMeshSubset.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Forward declaration of classes
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class Time;
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/*---------------------------------------------------------------------------*\
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Class vtkMesh Declaration
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\*---------------------------------------------------------------------------*/
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class vtkMesh
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{
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// Private data
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//- Reference to mesh
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fvMesh& baseMesh_;
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//- Subsetting engine + sub-fvMesh
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fvMeshSubset subsetter_;
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//- Current cellSet (or empty)
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const word setName_;
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//- Current decomposition of topology
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mutable autoPtr<vtkTopo> topoPtr_;
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// Private Member Functions
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//- Disallow default bitwise copy construct
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vtkMesh(const vtkMesh&);
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//- Disallow default bitwise assignment
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void operator=(const vtkMesh&);
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public:
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// Constructors
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//- Construct from components
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vtkMesh(fvMesh& baseMesh, const word& setName = "");
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// Member Functions
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// Access
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//- whole mesh
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const fvMesh& baseMesh() const
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{
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return baseMesh_;
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}
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const fvMeshSubset& subsetter() const
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{
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return subsetter_;
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}
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//- Check if running subMesh
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bool useSubMesh() const
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{
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return setName_.size();
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}
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//- topology
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const vtkTopo& topo() const
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{
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if (topoPtr_.empty())
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{
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topoPtr_.reset(new vtkTopo(mesh()));
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}
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return topoPtr_();
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}
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//- Access either mesh or submesh
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const fvMesh& mesh() const
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{
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if (useSubMesh())
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{
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return subsetter_.subMesh();
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}
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else
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{
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return baseMesh_;
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}
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}
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//- Number of field cells
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label nFieldCells() const
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{
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return topo().cellTypes().size();
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}
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//- Number of field points
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label nFieldPoints() const
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{
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return mesh().nPoints() + topo().addPointCellLabels().size();
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}
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// Edit
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//- Read mesh
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polyMesh::readUpdateState readUpdate();
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//- Map volume field (does in fact do very little interpolation;
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// just copied from fvMeshSubset)
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template<class GeoField>
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tmp<GeoField> interpolate(const GeoField& fld) const
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{
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if (useSubMesh())
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{
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tmp<GeoField> subFld = subsetter_.interpolate(fld);
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subFld().rename(fld.name());
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return subFld;
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}
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else
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{
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return fld;
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}
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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