triSurfaceClassifyEdges.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
    triSurfaceClassifyEdges
 
Description
    Divides the surface mesh into regions bounded by feature edges
 
SourceFiles
    triSurfaceClassifyEdges.C
    triSurfaceClassifyEdgesFunctions.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef triSurfaceClassifyEdges_H
#define triSurfaceClassifyEdges_H
 
#include "triSurf.H"
#include "VRWGraph.H"
#include "boolList.H"
#include "direction.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
//- Forward declarations
class meshOctree;
 
/*---------------------------------------------------------------------------*\
                Class triSurfaceClassifyEdges Declaration
\*---------------------------------------------------------------------------*/
 
class triSurfaceClassifyEdges
{
    // Private data
        //- reference to meshOctree
        const meshOctree& octree_;
 
        //- flags for surface edges
        List<direction> edgeTypes_;
 
        //- orientation of facet's normal (0 - unknown, 1- outward, 2- inward)
        List<direction> facetOrientation_;
 
    // Private member functions
        //- check the orientation of the patches in the triangulated surface
        void checkOrientation();
 
        //- classify edges based on the orientation of the surface facets
        void classifyEdgesTypes();
 
        //- Disallow default bitwise copy construct
        triSurfaceClassifyEdges(const triSurfaceClassifyEdges&);
 
        //- Disallow default bitwise assignment
        void operator=(const triSurfaceClassifyEdges&);
 
public:
 
    // Enumerators
 
        enum edgeType_
        {
            NONE = 0,
            CONVEXEDGE = 1,
            CONCAVEEDGE = 2,
            FLATSURFACEEDGE = 4,
            FEATUREEDGE = 8
        };
 
    // Constructors
 
        //- Construct from octree
        triSurfaceClassifyEdges(const meshOctree& octree);
 
    // Destructor
 
        ~triSurfaceClassifyEdges();
 
 
    // Member Functions
 
        //- return the edge type according to the above enumerator
        inline direction edgeType(const label edgeI) const
        {
            return edgeTypes_[edgeI];
        }
 
        //- return the list of edge classification
        const List<direction>& edgeTypes() const;
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //