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PrimitivePatch.H
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PrimitivePatch.H
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 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::PrimitivePatch
Description
A list of faces which address into the list of points.
The class is templated on the face type (e.g. triangle, polygon etc.)
and on the list type of faces and points so that it can refer to
existing lists using UList and const pointField& or hold the storage
using List and pointField.
SourceFiles
PrimitivePatchAddressing.C
PrimitivePatchBdryPoints.C
PrimitivePatch.C
PrimitivePatchCheck.C
PrimitivePatchClear.C
PrimitivePatchEdgeLoops.C
PrimitivePatchLocalPointOrder.C
PrimitivePatchMeshData.C
PrimitivePatchMeshEdges.C
PrimitivePatchName.C
PrimitivePatchPointAddressing.C
PrimitivePatchProjectPoints.C
\*---------------------------------------------------------------------------*/
#ifndef PrimitivePatch_H
#define PrimitivePatch_H
#include "boolList.H"
#include "labelList.H"
#include "edgeList.H"
#include "point.H"
#include "intersection.H"
#include "HashSet.H"
#include "objectHit.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
class face;
template<class T> class Map;
/*---------------------------------------------------------------------------*\
Class PrimitivePatchName Declaration
\*---------------------------------------------------------------------------*/
TemplateName(PrimitivePatch);
/*---------------------------------------------------------------------------*\
Class PrimitivePatch Declaration
\*---------------------------------------------------------------------------*/
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType=point
>
class PrimitivePatch
:
public PrimitivePatchName,
public FaceList<Face>
{
public:
// Public typedefs
typedef Face FaceType;
typedef FaceList<Face> FaceListType;
typedef PointField PointFieldType;
// Public data types
//- Enumeration defining the surface type. Used in check routines.
enum surfaceTopo
{
MANIFOLD,
OPEN,
ILLEGAL
};
private:
// Private data
//- Reference to global list of points
PointField points_;
// Demand driven private data
//- Edges of the patch; address into local point list;
// sorted with internal edges first in upper-triangular order
// and external edges last.
mutable edgeList* edgesPtr_;
//- Which part of edgesPtr_ is internal edges.
mutable label nInternalEdges_;
//- Boundary point labels, addressing into local point list
mutable labelList* boundaryPointsPtr_;
//- Face-face addressing
mutable labelListList* faceFacesPtr_;
//- Edge-face addressing
mutable labelListList* edgeFacesPtr_;
//- Face-edge addressing
mutable labelListList* faceEdgesPtr_;
//- Point-edge addressing
mutable labelListList* pointEdgesPtr_;
//- Point-face addressing
mutable labelListList* pointFacesPtr_;
//- Faces addressing into local point list
mutable List<Face>* localFacesPtr_;
//- Labels of mesh points
mutable labelList* meshPointsPtr_;
//- Mesh point map. Given the global point index find its
// location in the patch
mutable Map<label>* meshPointMapPtr_;
//- Outside edge loops
mutable labelListList* edgeLoopsPtr_;
//- Points local to patch
mutable Field<PointType>* localPointsPtr_;
//- Local point order for most efficient search
mutable labelList* localPointOrderPtr_;
//- Face centres
mutable Field<PointType>* faceCentresPtr_;
//- Face unit normals
mutable Field<PointType>* faceNormalsPtr_;
//- Point unit normals
mutable Field<PointType>* pointNormalsPtr_;
// Private Member Functions
//- Calculate edges of the patch
void calcIntBdryEdges() const;
//- Calculated boundary points on a patch
void calcBdryPoints() const;
//- Calculate addressing
void calcAddressing() const;
//- Calculate point-edge addressing
void calcPointEdges() const;
//- Calculate point-face addressing
void calcPointFaces() const;
//- Calculate mesh addressing
void calcMeshData() const;
//- Calculate mesh point map
void calcMeshPointMap() const;
//- Calculate outside edge loops
void calcEdgeLoops() const;
//- Calculate local points
void calcLocalPoints() const;
//- Calculate local point order
void calcLocalPointOrder() const;
//- Calculate face centres
void calcFaceCentres() const;
//- Calculate unit face normals
void calcFaceNormals() const;
//- Calculate unit point normals
void calcPointNormals() const;
//- Calculate edge owner
void calcEdgeOwner() const;
//- Face-edge-face walk while remaining on a patch point.
// Used to determine if surface multiply connected through point.
void visitPointRegion
(
const label pointi,
const labelList& pFaces,
const label startFacei,
const label startEdgeI,
boolList& pFacesHad
) const;
public:
// Constructors
//- Construct from components
PrimitivePatch
(
const FaceList<Face>& faces,
const Field<PointType>& points
);
//- Construct from components
PrimitivePatch
(
const Xfer<FaceList<Face>>& faces,
const Xfer<List<PointType>>& points
);
//- Construct from components, reuse storage
PrimitivePatch
(
FaceList<Face>& faces,
Field<PointType>& points,
const bool reuse
);
//- Construct as copy
PrimitivePatch
(
const PrimitivePatch<Face, FaceList, PointField, PointType>&
);
//- Destructor
virtual ~PrimitivePatch();
void clearOut();
void clearGeom();
void clearTopology();
void clearPatchMeshAddr();
// Member Functions
// Access
//- Return reference to global points
const Field<PointType>& points() const
{
return points_;
}
// Access functions for demand driven data
// Topological data; no mesh required.
//- Return number of points supporting patch faces
label nPoints() const
{
return meshPoints().size();
}
//- Return number of edges in patch
label nEdges() const
{
return edges().size();
}
//- Return list of edges, address into LOCAL point list
const edgeList& edges() const;
//- Number of internal edges
label nInternalEdges() const;
//- Is internal edge?
bool isInternalEdge(const label edgeI) const
{
return edgeI < nInternalEdges();
}
//- Return list of boundary points,
// address into LOCAL point list
const labelList& boundaryPoints() const;
//- Return face-face addressing
const labelListList& faceFaces() const;
//- Return edge-face addressing
const labelListList& edgeFaces() const;
//- Return face-edge addressing
const labelListList& faceEdges() const;
//- Return point-edge addressing
const labelListList& pointEdges() const;
//- Return point-face addressing
const labelListList& pointFaces() const;
//- Return patch faces addressing into local point list
const List<Face>& localFaces() const;
// Addressing into mesh
//- Return labelList of mesh points in patch. They are constructed
// walking through the faces in incremental order and not sorted
// anymore.
const labelList& meshPoints() const;
//- Mesh point map. Given the global point index find its
// location in the patch
const Map<label>& meshPointMap() const;
//- Return pointField of points in patch
const Field<PointType>& localPoints() const;
//- Return orders the local points for most efficient search
const labelList& localPointOrder() const;
//- Given a global point index, return the local point index.
// If the point is not found, return -1
label whichPoint(const label gp) const;
//- Given an edge in local point labels, return its
// index in the edge list. If the edge is not found, return -1
label whichEdge(const edge&) const;
//- Return labels of patch edges in the global edge list using
// cell addressing
labelList meshEdges
(
const edgeList& allEdges,
const labelListList& cellEdges,
const labelList& faceCells
) const;
//- Return labels of patch edges in the global edge list using
// basic edge addressing.
labelList meshEdges
(
const edgeList& allEdges,
const labelListList& pointEdges
) const;
//- Return face centres for patch
const Field<PointType>& faceCentres() const;
//- Return face normals for patch
const Field<PointType>& faceNormals() const;
//- Return point normals for patch
const Field<PointType>& pointNormals() const;
// Other patch operations
//- Project vertices of patch onto another patch
template<class ToPatch>
List<objectHit> projectPoints
(
const ToPatch& targetPatch,
const Field<PointType>& projectionDirection,
const intersection::algorithm = intersection::FULL_RAY,
const intersection::direction = intersection::VECTOR
) const;
//- Project vertices of patch onto another patch
template<class ToPatch>
List<objectHit> projectFaceCentres
(
const ToPatch& targetPatch,
const Field<PointType>& projectionDirection,
const intersection::algorithm = intersection::FULL_RAY,
const intersection::direction = intersection::VECTOR
) const;
//- Return list of closed loops of boundary vertices.
// Edge loops are given as ordered lists of vertices
// in local addressing
const labelListList& edgeLoops() const;
// Check
//- Calculate surface type formed by patch.
// Types:
// - all edges have two neighbours (manifold)
// - some edges have more than two neighbours (illegal)
// - other (open)
surfaceTopo surfaceType() const;
//- Check surface formed by patch for manifoldness (see above).
// Return true if any incorrect edges are found.
// Insert vertices of incorrect edges into set.
bool checkTopology
(
const bool report = false,
labelHashSet* setPtr = nullptr
) const;
//- Checks primitivePatch for faces sharing point but not edge.
// This denotes a surface that is pinched at a single point
// (test for pinched at single edge is already in PrimitivePatch)
// Returns true if this situation found and puts conflicting
// (mesh)point in set. Based on all the checking routines in
// primitiveMesh.
bool checkPointManifold
(
const bool report = false,
labelHashSet* setPtr = nullptr
) const;
// Edit
//- Correct patch after moving points
virtual void movePoints(const Field<PointType>&);
// Member operators
//- Assignment
void operator=
(
const PrimitivePatch<Face, FaceList, PointField, PointType>&
);
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "PrimitivePatch.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //