polyDualMesh.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 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/>.
 
Class
    Foam::polyDualMesh
 
Description
    Creates dual of polyMesh.
 
    Every polyMesh point becomes a cell on the dual mesh
 
    Every polyMesh cell and patchFace becomes a point on the dual mesh.
 
 
SourceFiles
    polyDualMesh.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef polyDualMesh_H
#define polyDualMesh_H
 
#include "polyMesh.H"
#include "labelIOList.H"
#include "typeInfo.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class polyDualMesh Declaration
\*---------------------------------------------------------------------------*/
 
class polyDualMesh
:
    public polyMesh
{
    // Private data
 
        //- From polyMesh cell to my point
        labelIOList cellPoint_;
 
        //- From polyMesh boundary face (face-mesh.nInternalFaces()) to my point
        labelIOList boundaryFacePoint_;
 
 
    // Private Member Functions
 
        static labelList getFaceOrder
        (
            const labelList& faceOwner,
            const labelList& faceNeighbour,
            const cellList& cells,
            label& nInternalFaces
        );
 
        static void getPointEdges
        (
            const primitivePatch& patch,
            const label faceI,
            const label pointI,
            label& e0,
            label& e1
        );
 
        static labelList collectPatchSideFace
        (
            const polyPatch& patch,
            const label patchToDualOffset,
            const labelList& edgeToDualPoint,
            const labelList& pointToDualPoint,
            const label pointI,
 
            label& edgeI
        );
 
        static void collectPatchInternalFace
        (
            const polyPatch& patch,
            const label patchToDualOffset,
            const labelList& edgeToDualPoint,
 
            const label pointI,
            const label startEdgeI,
 
            labelList& dualFace2,
            labelList& featEdgeIndices2
        );
 
        static void splitFace
        (
            const polyPatch& patch,
            const labelList& pointToDualPoint,
 
            const label pointI,
            const labelList& dualFace,
            const labelList& featEdgeIndices,
 
            DynamicList<face>& dualFaces,
            DynamicList<label>& dualOwner,
            DynamicList<label>& dualNeighbour,
            DynamicList<label>& dualRegion
        );
 
        static void dualPatch
        (
            const polyPatch& patch,
            const label patchToDualOffset,
            const labelList& edgeToDualPoint,
            const labelList& pointToDualPoint,
 
            const pointField& dualPoints,
 
            DynamicList<face>& dualFaces,
            DynamicList<label>& dualOwner,
            DynamicList<label>& dualNeighbour,
            DynamicList<label>& dualRegion
        );
 
        void calcDual
        (
            const polyMesh& mesh,
            const labelList& featureEdges,
            const labelList& featurePoints
        );
 
 
        //- Disallow default bitwise copy construct
        polyDualMesh(const polyDualMesh&);
 
        //- Disallow default bitwise assignment
        void operator=(const polyDualMesh&);
 
 
public:
 
    //- Runtime type information
    ClassName("polyDualMesh");
 
 
    // Constructors
 
        //- Construct from IOobject
        polyDualMesh(const IOobject&);
 
        //- Construct from polyMesh and list of edges and points to represent.
        //  Feature edge and point labels are in local addressing of a patch
        //  over all boundary faces.
        polyDualMesh
        (
            const polyMesh&,
            const labelList& featureEdges,
            const labelList& featurePoints
        );
 
        //- Construct from polyMesh and feature edge angle. Uses calcFeatures
        //  below to determine feature edges and points.
        polyDualMesh
        (
            const polyMesh&,
            const scalar featureCos
        );
 
        //- Helper function to create feature edges and points based on
        //  feature angle and patches.
        static void calcFeatures
        (
            const polyMesh&,
            const scalar featureCos,
            labelList& featureEdges,
            labelList& featurePoints
        );
 
 
    //- Destructor
    ~polyDualMesh();
 
 
    // Member Functions
 
        // Access
 
            //- From polyMesh cell to dual point
            const labelIOList& cellPoint() const
            {
                return cellPoint_;
            }
 
            //- From polyMesh patch face to dual point
            const labelIOList& boundaryFacePoint() const
            {
                return boundaryFacePoint_;
            }
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //