/usr/include/freefoam/meshTools/cellFeatures.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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
\*---------------------------------------------------------------------------*/
#ifndef cellFeatures_H
#define cellFeatures_H
#include <OpenFOAM/faceList.H>
#include <OpenFOAM/labelList.H>
#include <OpenFOAM/boolList.H>
#include <OpenFOAM/HashSet.H>
#include <OpenFOAM/Map.H>
#include <OpenFOAM/DynamicList.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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;
//- Disallow default bitwise copy construct
cellFeatures(const cellFeatures&);
//- Disallow default bitwise assignment
void operator=(const cellFeatures&);
public:
// Constructors
//- Construct from cell in mesh
cellFeatures
(
const primitiveMesh&,
const scalar minCos, // angle to use for feature recognition.
const label cellI
);
// 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;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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