| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2020 OpenFOAM Foundation | |
| \\/ M anipulation | | |
| ------------------------------------------------------------------------------- | |
| 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::cellFeatures | |
| Description | |
| Cell analysis class. | |
| Constructs feature edges and feature points, which are edges/points with | |
| and angle > given specification. | |
| Can be asked for 'superFaces' which can be used to see if a cell is a | |
| 'splitHex'. | |
| SourceFiles | |
| cellFeatures.C | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| namespace Foam | |
| { | |
| // Forward declaration of classes | |
| class primitiveMesh; | |
| /*---------------------------------------------------------------------------*\ | |
| Class cellFeatures Declaration | |
| \*---------------------------------------------------------------------------*/ | |
| class cellFeatures | |
| { | |
| // Private Data | |
| const primitiveMesh& mesh_; | |
| //- Cos of angle between two connected faces or two connected edges on | |
| // same face before edge/point is 'feature'. | |
| scalar minCos_; | |
| label celli_; | |
| //- Feature edges | |
| labelHashSet featureEdge_; | |
| //- (demand driven) Faces after removing internal points&edges | |
| mutable faceList* facesPtr_; | |
| //- New to old face mapping | |
| mutable List<DynamicList<label>> faceMap_; | |
| // Private Member Functions | |
| bool faceAlignedEdge(const label, const label) const; | |
| label nextEdge | |
| ( | |
| const Map<label>& toSuperFace, | |
| const label superFacei, | |
| const label thisEdgeI, | |
| const label thisVertI | |
| ) const; | |
| bool isCellFeatureEdge(const scalar, const label) const; | |
| void walkSuperFace | |
| ( | |
| const label facei, | |
| const label superFacei, | |
| Map<label>& toSuperFace | |
| ) const; | |
| void calcSuperFaces() const; | |
| public: | |
| // Constructors | |
| //- Construct from cell in mesh | |
| cellFeatures | |
| ( | |
| const primitiveMesh&, | |
| const scalar minCos, // angle to use for feature recognition. | |
| const label celli | |
| ); | |
| //- Disallow default bitwise copy construction | |
| cellFeatures(const cellFeatures&) = delete; | |
| //- Destructor | |
| ~cellFeatures(); | |
| // Member Functions | |
| // Access | |
| const labelHashSet& featureEdge() const | |
| { | |
| return featureEdge_; | |
| } | |
| const faceList& faces() const | |
| { | |
| if (!facesPtr_) | |
| { | |
| calcSuperFaces(); | |
| } | |
| return *facesPtr_; | |
| } | |
| //- New to old faceMap. Guaranteed to be shrunk. | |
| const List<DynamicList<label>>& faceMap() const | |
| { | |
| if (!facesPtr_) | |
| { | |
| calcSuperFaces(); | |
| } | |
| return faceMap_; | |
| } | |
| // Check | |
| //- Is edge a feature edge (uniquely determined since on cell | |
| // only two faces sharing edge) | |
| bool isFeatureEdge(const label edgeI) const | |
| { | |
| return featureEdge().found(edgeI); | |
| } | |
| //- Are two edges connected at feature point? | |
| // Is local to face since point might be seen as feature point | |
| // from one face but not from another. | |
| bool isFeaturePoint(const label edge0, const label edge1) const; | |
| //- Is vertexI on facei used by two edges that form feature | |
| // point | |
| bool isFeatureVertex(const label facei, const label vertI) const; | |
| // Member Operators | |
| //- Disallow default bitwise assignment | |
| void operator=(const cellFeatures&) = delete; | |
| }; | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| } // End namespace Foam | |
| // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // | |
| // ************************************************************************* // | |