/usr/include/freefoam/meshTools/triSurfaceMesh.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::triSurfaceMesh
Description
IOoject and searching on triSurface
Note: when constructing from dictionary has optional parameters:
- scale : scaling factor.
- tolerance : relative tolerance for doing intersections
(see triangle::intersection)
SourceFiles
triSurfaceMesh.C
\*---------------------------------------------------------------------------*/
#ifndef triSurfaceMesh_H
#define triSurfaceMesh_H
#include <meshTools/treeBoundBox.H>
#include "searchableSurface.H"
#include <OpenFOAM/objectRegistry.H>
#include <meshTools/indexedOctree.H>
#include <meshTools/treeDataTriSurface.H>
#include <meshTools/treeDataEdge.H>
#include <OpenFOAM/EdgeMap.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class triSurfaceMesh Declaration
\*---------------------------------------------------------------------------*/
class triSurfaceMesh
:
public searchableSurface,
public objectRegistry, // so we can store fields
public triSurface
{
private:
// Private member data
//- Optional tolerance to use in searches
scalar tolerance_;
//- Optional max tree depth of octree
label maxTreeDepth_;
//- Search tree (triangles)
mutable autoPtr<indexedOctree<treeDataTriSurface> > tree_;
//- Search tree for boundary edges.
mutable autoPtr<indexedOctree<treeDataEdge> > edgeTree_;
//- Names of regions
mutable wordList regions_;
//- Is surface closed
mutable label surfaceClosed_;
// Private Member Functions
////- Helper: find instance of files without header
//static word findRawInstance
//(
// const Time&,
// const fileName&,
// const word&
//);
//- Check file existence
static const fileName& checkFile
(
const fileName& fName,
const fileName& objectName
);
//- Helper function for isSurfaceClosed
static bool addFaceToEdge
(
const edge&,
EdgeMap<label>&
);
//- Check whether surface is closed without calculating any permanent
// addressing.
bool isSurfaceClosed() const;
//- Steps to next intersection. Adds smallVec and starts tracking
// from there.
static void getNextIntersections
(
const indexedOctree<treeDataTriSurface>& octree,
const point& start,
const point& end,
const vector& smallVec,
DynamicList<pointIndexHit, 1, 1>& hits
);
//- Disallow default bitwise copy construct
triSurfaceMesh(const triSurfaceMesh&);
//- Disallow default bitwise assignment
void operator=(const triSurfaceMesh&);
protected:
//- Calculate (number of)used points and their bounding box
void calcBounds(boundBox& bb, label& nPoints) const;
public:
//- Runtime type information
TypeName("triSurfaceMesh");
// Constructors
//- Construct from triSurface
triSurfaceMesh(const IOobject&, const triSurface&);
//- Construct read.
triSurfaceMesh(const IOobject& io);
//- Construct from IO and dictionary (used by searchableSurface).
// Dictionary may contain a 'scale' entry (eg, 0.001: mm -> m)
triSurfaceMesh
(
const IOobject& io,
const dictionary& dict
);
// Destructor
virtual ~triSurfaceMesh();
//- Clear storage
void clearOut();
// Member Functions
//- Move points
virtual void movePoints(const pointField&);
//- Demand driven contruction of octree
const indexedOctree<treeDataTriSurface>& tree() const;
//- Demand driven contruction of octree for boundary edges
const indexedOctree<treeDataEdge>& edgeTree() const;
// searchableSurface implementation
virtual const wordList& regions() const;
//- Whether supports volume type below. I.e. whether is closed.
virtual bool hasVolumeType() const;
//- Range of local indices that can be returned.
virtual label size() const
{
return triSurface::size();
}
//- Get representative set of element coordinates
// Usually the element centres (should be of length size()).
virtual pointField coordinates() const;
virtual void findNearest
(
const pointField& sample,
const scalarField& nearestDistSqr,
List<pointIndexHit>&
) const;
virtual void findLine
(
const pointField& start,
const pointField& end,
List<pointIndexHit>&
) const;
virtual void findLineAny
(
const pointField& start,
const pointField& end,
List<pointIndexHit>&
) const;
//- Get all intersections in order from start to end.
virtual void findLineAll
(
const pointField& start,
const pointField& end,
List<List<pointIndexHit> >&
) const;
//- From a set of points and indices get the region
virtual void getRegion
(
const List<pointIndexHit>&,
labelList& region
) const;
//- From a set of points and indices get the normal
virtual void getNormal
(
const List<pointIndexHit>&,
vectorField& normal
) const;
//- Determine type (inside/outside/mixed) for point. unknown if
// cannot be determined (e.g. non-manifold surface)
virtual void getVolumeType
(
const pointField&,
List<volumeType>&
) const;
// Other
//- Set bounds of surface. Bounds currently set as list of
// bounding boxes. The bounds are hints to the surface as for
// the range of queries it can expect. faceMap/pointMap can be
// set if the surface has done any redistribution.
virtual void distribute
(
const List<treeBoundBox>&,
const bool keepNonLocal,
autoPtr<mapDistribute>& faceMap,
autoPtr<mapDistribute>& pointMap
)
{}
//- WIP. Store element-wise field.
virtual void setField(const labelList& values);
//- WIP. From a set of hits (points and
// indices) get the specified field. Misses do not get set.
virtual void getField(const List<pointIndexHit>&, labelList&) const;
// regIOobject implementation
bool writeData(Ostream&) const
{
notImplemented("triSurfaceMesh::writeData(Ostream&) const");
return false;
}
//- Write using given format, version and compression
virtual bool writeObject
(
IOstream::streamFormat fmt,
IOstream::versionNumber ver,
IOstream::compressionType cmp
) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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