192 lines
5.2 KiB
C++
192 lines
5.2 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Class
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Foam::cellFeatures
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Description
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Cell analysis class.
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Constructs feature edges and feature points, which are edges/points with
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and angle > given specification.
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Can be asked for 'superFaces' which can be used to see if a cell is a
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'splitHex'.
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SourceFiles
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cellFeatures.C
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\*---------------------------------------------------------------------------*/
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#ifndef cellFeatures_H
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#define cellFeatures_H
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#include "faceList.H"
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#include "labelList.H"
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#include "boolList.H"
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#include "HashSet.H"
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#include "Map.H"
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#include "DynamicList.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Forward declaration of classes
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class primitiveMesh;
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/*---------------------------------------------------------------------------*\
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Class cellFeatures Declaration
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\*---------------------------------------------------------------------------*/
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class cellFeatures
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{
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// Private data
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const primitiveMesh& mesh_;
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//- cos of angle between two connected faces or two connected edges on
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// same face before edge/point is 'feature'.
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scalar minCos_;
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label cellI_;
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//- Feature edges
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labelHashSet featureEdge_;
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//- (demand driven) Faces after removing internal points&edges
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mutable faceList* facesPtr_;
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//- New to old face mapping
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mutable List<DynamicList<label> > faceMap_;
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// Private Member Functions
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bool faceAlignedEdge(const label, const label) const;
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label nextEdge
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(
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const Map<label>& toSuperFace,
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const label superFaceI,
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const label thisEdgeI,
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const label thisVertI
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) const;
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bool isCellFeatureEdge(const scalar, const label) const;
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void walkSuperFace
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(
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const label faceI,
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const label superFaceI,
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Map<label>& toSuperFace
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) const;
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void calcSuperFaces() const;
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//- Disallow default bitwise copy construct
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cellFeatures(const cellFeatures&);
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//- Disallow default bitwise assignment
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void operator=(const cellFeatures&);
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public:
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// Constructors
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//- Construct from cell in mesh
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cellFeatures
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(
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const primitiveMesh&,
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const scalar minCos, // angle to use for feature recognition.
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const label cellI
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);
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// Destructor
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~cellFeatures();
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// Member Functions
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// Access
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const labelHashSet& featureEdge() const
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{
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return featureEdge_;
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}
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const faceList& faces() const
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{
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if (!facesPtr_)
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{
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calcSuperFaces();
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}
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return *facesPtr_;
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}
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//- New to old faceMap. Guaranteed to be shrunk.
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const List<DynamicList<label> >& faceMap() const
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{
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if (!facesPtr_)
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{
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calcSuperFaces();
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}
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return faceMap_;
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}
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// Check
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//- Is edge a feature edge (uniquely determined since on cell
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// only two faces sharing edge)
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bool isFeatureEdge(const label edgeI) const
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{
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return featureEdge().found(edgeI);
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}
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//- Are two edges connected at feature point?
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// Is local to face since point might be seen as feature point
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// from one face but not from another.
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bool isFeaturePoint(const label edge0, const label edge1) const;
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//- Is vertexI on faceI used by two edges that form feature
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// point
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bool isFeatureVertex(const label faceI, const label vertI) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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