structuredRenumber.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2012-2016 OpenFOAM Foundation
    Copyright (C) 2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::structuredRenumber
 
Description
    Renumbering according to mesh layers.
    depthFirst = true:
        first column gets ids 0..nLayer-1,
        second nLayers..2*nLayers-1 etc.
    depthFirst = false:
        first layer gets ids 0,1,2 etc.
 
SourceFiles
    structuredRenumber.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef structuredRenumber_H
#define structuredRenumber_H
 
#include "renumberMethod.H"
 
namespace Foam
{
 
template<class Type> class topoDistanceData;
 
/*---------------------------------------------------------------------------*\
                   Class structuredRenumber Declaration
\*---------------------------------------------------------------------------*/
 
class structuredRenumber
:
    public renumberMethod
{
public:
 
    // Public classes
 
        //- Less function class that can be used for sorting according to
        //  column and layer
        class layerLess
        {
            const bool depthFirst_;
            const labelList& order_;
            const List<topoDistanceData<label>>& distance_;
 
        public:
 
            layerLess
            (
                const bool depthFirst,
                const labelList& order,
                const List<topoDistanceData<label>>& distance
            )
            :
                depthFirst_(depthFirst),
                order_(order),
                distance_(distance)
            {}
 
            bool operator()(const label a, const label b);
        };
 
 
    // Private data
 
        const dictionary methodDict_;
 
        const wordRes patches_;
 
        const label nLayers_;
 
        const bool depthFirst_;
 
        const bool reverse_;
 
        const autoPtr<renumberMethod> method_;
 
 
    // Private Member Functions
 
        //- No copy construct
        structuredRenumber(const structuredRenumber&) = delete;
 
        //- No copy assignment
        void operator=(const structuredRenumber&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("structured");
 
 
    // Constructors
 
        //- Construct given the renumber dictionary
        structuredRenumber(const dictionary& renumberDict);
 
 
    //- Destructor
    virtual ~structuredRenumber() = default;
 
 
    // Member Functions
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  This is only defined for geometric renumberMethods.
        virtual labelList renumber(const pointField&) const
        {
            NotImplemented;
            return labelList(0);
        }
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  Use the mesh connectivity (if needed)
        virtual labelList renumber
        (
            const polyMesh& mesh,
            const pointField& cc
        ) const;
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  The connectivity is equal to mesh.cellCells() except
        //  - the connections are across coupled patches
        virtual labelList renumber
        (
            const labelListList& cellCells,
            const pointField& cc
        ) const
        {
            NotImplemented;
            return labelList(0);
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //