sortEdgesIntoChains.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | cfMesh: A library for mesh generation
   \\    /   O peration     |
    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
-------------------------------------------------------------------------------
License
    This file is part of cfMesh.
 
    cfMesh 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.
 
    cfMesh 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 cfMesh.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    sortEdgesIntoChains
 
Description
    Creates boundary faces from a chain of open edges
 
SourceFiles
    sortEdgesIntoChains.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef sortEdgesIntoChains_H
#define sortEdgesIntoChains_H
 
#include "DynList.H"
#include "labelList.H"
#include "edge.H"
#include "Map.H"
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class sortEdgesIntoChains Declaration
\*---------------------------------------------------------------------------*/
 
class sortEdgesIntoChains
{
    // Members
        const DynList<edge>& bEdges_;
 
        bool openEdges_;
 
        Map<label> newNodeLabel_;
 
        DynList<DynList<label> > edgesAtPoint_;
 
        DynList<DynList<label> > createdChains_;
 
    // Private member functions
        void createNodeLabels();
 
        bool findPointsBelongingToTheChain
        (
            const label currPos,
            DynList<bool>& chainEdges
        ) const;
 
        void shrinkEdges(const DynList<bool>& chainEdges);
 
        void createChainFromEdges(const DynList<bool>& chainEdges);
 
        void sortEdges();
 
    public:
 
        sortEdgesIntoChains
        (
            const DynList<edge>& bEdges
        );
 
        ~sortEdgesIntoChains();
 
    // Member functions
 
        //- a list of points which have not yet been resolved
        const DynList<DynList<label> >& sortedChains() const;
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //