edgeVertex.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2011-2016 OpenFOAM Foundation
-------------------------------------------------------------------------------
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::edgeVertex
 
Description
    Combines edge or vertex in single label. Used to specify cuts across
    cell circumference.
 
SourceFiles
    edgeVertex.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef edgeVertex_H
#define edgeVertex_H
 
#include "label.H"
#include "polyMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class refineCell;
 
/*---------------------------------------------------------------------------*\
                           Class edgeVertex Declaration
\*---------------------------------------------------------------------------*/
 
class edgeVertex
{
    // Private Data
 
        //- Reference to mesh. (could be primitive mesh but keeping polyMesh
        //  here saves storing reference at higher levels where we do need it)
        const polyMesh& mesh_;
 
    // Private Member Functions
 
        //- No copy construct
        edgeVertex(const edgeVertex&) = delete;
 
        //- No copy assignment
        void operator=(const edgeVertex&) = delete;
 
 
public:
 
    // Static Functions
 
        //- Update refine list from map. Used to update cell/face labels
        //  after morphing
        static void updateLabels(const labelList& map, List<refineCell>&);
 
        //- Update map from map. Used to update cell/face labels
        //  after morphing
        static void updateLabels(const labelList& map, Map<label>&);
 
        //- Update map from map. Used to update cell/face labels
        //  after morphing
        static void updateLabels(const labelList& map, labelHashSet&);
 
 
 
    // Constructors
 
        //- Construct from mesh
        explicit edgeVertex(const polyMesh& mesh)
        :
            mesh_(mesh)
        {}
 
 
    // Member Functions
 
        const polyMesh& mesh() const
        {
            return mesh_;
        }
 
 
    // EdgeVertex handling
 
        //- Is eVert an edge?
        static bool isEdge(const primitiveMesh& mesh, const label eVert)
        {
            if (eVert < 0 || eVert >= (mesh.nPoints() + mesh.nEdges()))
            {
                FatalErrorInFunction
                    << "EdgeVertex " << eVert << " out of range "
                    << mesh.nPoints() << " to "
                    << (mesh.nPoints() + mesh.nEdges() - 1)
                    << abort(FatalError);
            }
 
            return eVert >= mesh.nPoints();
        }
        bool isEdge(const label eVert) const
        {
            return isEdge(mesh_, eVert);
        }
 
        //- Convert eVert to edge label
        static label getEdge(const primitiveMesh& mesh, const label eVert)
        {
            if (!isEdge(mesh, eVert))
            {
                FatalErrorInFunction
                    << "EdgeVertex " << eVert << " not an edge"
                    << abort(FatalError);
            }
            return eVert - mesh.nPoints();
        }
        label getEdge(const label eVert) const
        {
            return getEdge(mesh_, eVert);
        }
 
        //- Convert eVert to vertex label
        static label getVertex(const primitiveMesh& mesh, const label eVert)
        {
            if (isEdge(mesh, eVert) || (eVert < 0))
            {
                FatalErrorInFunction
                    << "EdgeVertex " << eVert << " not a vertex"
                    << abort(FatalError);
            }
            return eVert;
        }
        label getVertex(const label eVert) const
        {
            return getVertex(mesh_, eVert);
        }
 
        //- Convert pointi to eVert
        static label vertToEVert(const primitiveMesh& mesh, const label vertI)
        {
            if ((vertI < 0) || (vertI >= mesh.nPoints()))
            {
                FatalErrorInFunction
                    << "Illegal vertex number " << vertI
                    << abort(FatalError);
            }
            return vertI;
        }
        label vertToEVert(const label vertI) const
        {
            return vertToEVert(mesh_, vertI);
        }
 
        //- Convert edgeI to eVert
        static label edgeToEVert(const primitiveMesh& mesh, const label edgeI)
        {
            if ((edgeI < 0) || (edgeI >= mesh.nEdges()))
            {
                FatalErrorInFunction
                    << "Illegal edge number " << edgeI
                    << abort(FatalError);
            }
            return mesh.nPoints() + edgeI;
        }
        label edgeToEVert(const label edgeI) const
        {
            return edgeToEVert(mesh_, edgeI);
        }
 
        //- Return coordinate of cut (uses weight if edgeCut)
        static point coord
        (
            const primitiveMesh&,
            const label cut,
            const scalar weight
        );
        point coord(const label cut, const scalar weight) const
        {
            return coord(mesh_, cut, weight);
        }
 
        //- Find mesh edge (or -1) between two cuts.
        static label cutPairToEdge
        (
            const primitiveMesh&,
            const label cut0,
            const label cut1
        );
        label cutPairToEdge(const label cut0, const label cut1) const
        {
            return cutPairToEdge(mesh_, cut0, cut1);
        }
 
        //- Write cut description to Ostream
        Ostream& writeCut(Ostream& os, const label cut, const scalar) const;
 
        //- Write cut descriptions to Ostream
        Ostream& writeCuts(Ostream& os, const labelList&, const scalarField&)
         const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //