triSurfAddressing.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  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
    triSurfAddressing
 
Description
    Provides topology addressing of the triangulated surface
 
SourceFiles
    triSurfAddressing.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef triSurfAddressing_H
#define triSurfAddressing_H
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "VRWGraph.H"
#include "edgeLongList.H"
#include "triSurfFacets.H"
#include "labelledTri.H"
#include "DynList.H"
 
#include <map>
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
class triSurfAddressing
{
    // Private data
        //- const reference to the points
        const pointField& points_;
 
    // Topology addressing
        //- const reference to the facets
        const LongList<labelledTri>& facets_;
 
        //- facets connected to a point
        mutable VRWGraph* pointFacetsPtr_;
 
        //- edges in the triangulation
        mutable edgeLongList* edgesPtr_;
 
        //- labels of edges in the triangles
        mutable VRWGraph* facetEdgesPtr_;
 
        //- labels of triangles connected to an edge
        mutable VRWGraph* edgeFacetsPtr_;
 
        //- labels of edges connected to a point
        mutable VRWGraph* pointEdgesPtr_;
 
        //- facets connected tp a facet via edges
        mutable VRWGraph* facetFacetsEdgesPtr_;
 
    // Geometry data
        //- point normals
        mutable vectorField* pointNormalsPtr_;
 
        //- face normals
        mutable vectorField* facetNormalsPtr_;
 
        //- face centres
        mutable vectorField* facetCentresPtr_;
 
    // Private member functions
        //- calculate point-facets addressing
        void calculatePointFacets() const;
 
        //- calculate edges, facet-edges and edge-facets addressing
        void calculateEdges() const;
 
        //- calculate facet-edges addresing
        void calculateFacetEdges() const;
 
        //- calculate edge-facets addressing
        void calculateEdgeFacets() const;
 
        //- calculate point-edges addressing
        void calculatePointEdges() const;
 
        //- calculate facet-faceys addressing
        void calculateFacetFacetsEdges() const;
 
        //- calculate point normals
        void calculatePointNormals() const;
 
        //- calculate normals of facets
        void calculateFacetNormals() const;
 
        //- calculate centres of facets
        void calculateFacetCentres() const;
 
    // Disallow bitwise assignment
        void operator=(const triSurfAddressing&);
 
        triSurfAddressing(const triSurfAddressing&);
 
public:
 
    // Constructors
        //- Construct from surface triangles
        triSurfAddressing
        (
            const pointField& points,
            const LongList<labelledTri>& triangles
        );
 
    // Destructor
        ~triSurfAddressing();
 
    // Member functions
        //- return point-facets addressing
        inline const VRWGraph& pointFacets() const;
 
        //- return edges
        inline const LongList<edge>& edges() const;
 
        //- return facet-edges addressing
        inline const VRWGraph& facetEdges() const;
 
        //- return edge-facets addressing
        inline const VRWGraph& edgeFacets() const;
 
        //- return point-edges addressing
        inline const VRWGraph& pointEdges() const;
 
        //- return facet-facets addressing
        inline const VRWGraph& facetFacets() const;
 
        //- return point normals
        inline const pointField& pointNormals() const;
 
        //- return normals of facets
        inline const vectorField& facetNormals() const;
 
        //- return centres of facets
        inline const vectorField& facetCentres() const;
 
        //- delete all data
        void clearAddressing();
 
        //- delete geometry data
        void clearGeometry();
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "triSurfAddressingI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //