voxelMeshSearch Class Reference

Fast, non-parallel searching in mesh without use of octree. More...

#include <voxelMeshSearch.H>

Public Member Functions
	ClassName ("voxelMeshSearch")
	voxelMeshSearch (const polyMesh &, const bool doUpdate=true)
	Construct from mesh; voxels estimated from local number of cells.
	voxelMeshSearch (const polyMesh &, const boundBox &bb, const labelVector &nDivs, const bool doUpdate=true)
	Construct from mesh and voxel discretisation.
const labelVector &	nDivs () const
	Number of voxels for local mesh.
bool	update ()
	Update lookup tables for geometry changes.
label	findCell (const point &) const
	Find a cell.
autoPtr< fvMesh >	makeMesh (const IOobject &) const
	Debug: construct fvMesh. Note: writes a dummy mesh to.

Static Public Member Functions
static label	index (const labelVector &nDivs, const labelVector &voxel)
	Find cells. Returns number of cells found.
static labelVector	offset (const labelVector &nDivs)
	Change in combined voxel index for change in components.
static labelVector	index3 (const labelVector &nDivs, const label voxeli)
	Combined voxel index to individual indices.
static labelVector	index3 (const boundBox &bb, const labelVector &nDivs, const point &p)
	Coordinate to voxel indices.
static point	centre (const boundBox &bb, const labelVector &nDivs, const labelVector &voxel)
	Voxel index to voxel centre.
static label	index (const boundBox &bb, const labelVector &nDivs, const point &p, const bool clip)
	Coordinate to combined voxel index. If clip makes sure.
template<class Container, class Type>
static void	fill (Container &elems, const boundBox &bb, const labelVector &nDivs, const boundBox &subBb, const Type val)
	Fill voxels indicated by bounding box.
template<class Container, class Type, class CombineOp>
static void	fill (Container &elems, const boundBox &bb, const labelVector &nDivs, const boundBox &subBb, const Type val, const CombineOp &cop=eqOp< Type >())
	Fill voxels indicated by bounding box.
template<class Container, class Type>
static bool	overlaps (const boundBox &bb, const labelVector &nDivs, const boundBox &subBb, const Container &elems, const Type val, const bool isNot=false)
	Check if any voxel inside bounding box is set to val or.
template<class Container, class Type>
static void	write (OBJstream &, const boundBox &bb, const labelVector &nDivs, const Container &elems, const Type val, const bool isNot=false)
	Debug: write points for every set element.
static void	writeGrid (OBJstream &, const boundBox &, const labelVector &)
	Debug: write all edges.

Detailed Description

Fast, non-parallel searching in mesh without use of octree.

Source files

• voxelMeshSearch.H
• voxelMeshSearch.C

Definition at line 53 of file voxelMeshSearch.H.

Constructor & Destructor Documentation

voxelMeshSearch() [1/2]

voxelMeshSearch	(	const polyMesh &	mesh,
		const bool	doUpdate = true )

Construct from mesh; voxels estimated from local number of cells.

Definition at line 279 of file voxelMeshSearch.C.

References Foam::cbrt(), e, Foam::endl(), forAll, Foam::max(), VectorSpace< Form, Cmpt, Ncmpts >::max, mesh, nDivs(), Foam::Pout, Foam::sqrt(), and update().

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voxelMeshSearch() [2/2]

voxelMeshSearch	(	const polyMesh &	mesh,
		const boundBox &	bb,
		const labelVector &	nDivs,
		const bool	doUpdate = true )

Construct from mesh and voxel discretisation.

Definition at line 337 of file voxelMeshSearch.C.

References mesh, nDivs(), and update().

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Member Function Documentation

ClassName()

ClassName

(

"voxelMeshSearch"

)

References nDivs().

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nDivs()

const labelVector & nDivs ( ) const

inline

Number of voxels for local mesh.

Definition at line 123 of file voxelMeshSearch.H.

Referenced by ClassName(), fill(), fill(), index(), index3(), offset(), overlaps(), voxelMeshSearch(), voxelMeshSearch(), and write().

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update()

bool update

(

)

Update lookup tables for geometry changes.

Definition at line 358 of file voxelMeshSearch.C.

References Foam::cmptProduct(), Foam::endl(), fill(), forAll, points, and Foam::Pout.

Referenced by voxelMeshSearch(), and voxelMeshSearch().

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findCell()

Foam::label findCell

(

const point &

p

)

const

Find a cell.

Definition at line 402 of file voxelMeshSearch.C.

References index(), Foam::max(), and p.

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index() [1/2]

Foam::label index ( const labelVector & nDivs, const labelVector & voxel )

static

Find cells. Returns number of cells found.

label findCells(const UList<point>&, labelList&) const;

Voxel indices to combined voxel index

Definition at line 49 of file voxelMeshSearch.C.

References nDivs(), Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().

Referenced by fill(), fill(), findCell(), index(), overlaps(), and write().

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offset()

Foam::labelVector offset ( const labelVector & nDivs )

static

Change in combined voxel index for change in components.

Definition at line 40 of file voxelMeshSearch.C.

References nDivs().

Referenced by fill(), fill(), overlaps(), and write().

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index3() [1/2]

Foam::labelVector index3 ( const labelVector & nDivs, const label voxeli )

static

Combined voxel index to individual indices.

Definition at line 59 of file voxelMeshSearch.C.

References nDivs(), Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().

Referenced by fill(), fill(), and overlaps().

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index3() [2/2]

Foam::labelVector index3 ( const boundBox & bb, const labelVector & nDivs, const point & p )

static

Coordinate to voxel indices.

Definition at line 77 of file voxelMeshSearch.C.

References Foam::cmptDivide(), g, boundBox::min(), s(), boundBox::span(), Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().

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centre()

Foam::point centre ( const boundBox & bb, const labelVector & nDivs, const labelVector & voxel )

static

Voxel index to voxel centre.

Definition at line 137 of file voxelMeshSearch.C.

References Foam::cmptDivide(), g, boundBox::min(), s(), and boundBox::span().

Referenced by write().

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index() [2/2]

Foam::label index ( const boundBox & bb, const labelVector & nDivs, const point & p, const bool clip )

static

Coordinate to combined voxel index. If clip makes sure.

components are all inside. If not clip returns -1 if outside bb.

Definition at line 97 of file voxelMeshSearch.C.

References Foam::clip(), Foam::cmptDivide(), g, index(), Foam::max(), boundBox::min(), Foam::min(), s(), boundBox::span(), Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().

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fill() [1/2]

template<class Container, class Type>

void fill ( Container & elems, const boundBox & bb, const labelVector & nDivs, const boundBox & subBb, const Type val )

static

Fill voxels indicated by bounding box.

Definition at line 27 of file voxelMeshSearchTemplates.C.

References index(), index3(), k, boundBox::max(), Foam::max(), boundBox::min(), Foam::min(), nDivs(), and offset().

Referenced by trackingInverseDistance::markBoundaries(), and update().

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fill() [2/2]

template<class Container, class Type, class CombineOp>

void fill ( Container & elems, const boundBox & bb, const labelVector & nDivs, const boundBox & subBb, const Type val, const CombineOp & cop = eqOp<Type>() )

static

Fill voxels indicated by bounding box.

Definition at line 71 of file voxelMeshSearchTemplates.C.

References index(), index3(), k, boundBox::max(), Foam::max(), boundBox::min(), Foam::min(), nDivs(), and offset().

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overlaps()

template<class Container, class Type>

bool overlaps ( const boundBox & bb, const labelVector & nDivs, const boundBox & subBb, const Container & elems, const Type val, const bool isNot = false )

static

Check if any voxel inside bounding box is set to val or.

not set to val (isNot = true)

Definition at line 116 of file voxelMeshSearchTemplates.C.

References Foam::cmptProduct(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, index(), index3(), k, boundBox::max(), Foam::max(), boundBox::min(), Foam::min(), nDivs(), and offset().

Referenced by trackingInverseDistance::markBoundaries(), and trackingInverseDistance::markPatchesAsHoles().

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write()

template<class Container, class Type>

void write ( OBJstream & os, const boundBox & bb, const labelVector & nDivs, const Container & elems, const Type val, const bool isNot = false )

static

Debug: write points for every set element.

Definition at line 176 of file voxelMeshSearchTemplates.C.

References centre(), Foam::cmptProduct(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, index(), k, nDivs(), offset(), and os().

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writeGrid()

void writeGrid ( OBJstream & os, const boundBox & bb, const labelVector & g )

static

Debug: write all edges.

Definition at line 150 of file voxelMeshSearch.C.

References Foam::cmptDivide(), g, k, boundBox::min(), os(), s(), and boundBox::span().

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makeMesh()

Foam::autoPtr< Foam::fvMesh > makeMesh

(

const IOobject &

io

)

const

Debug: construct fvMesh. Note: writes a dummy mesh to.

io.timeName()! TBD.

Definition at line 487 of file voxelMeshSearch.C.

References dictionary::add(), b, boundary, boundaryDicts(), cellShapes, fvMeshTools::createDummyFvMeshFiles(), patchIdentifier::defaultName(), dictionary, forAll, cellModel::HEX, Foam::identity(), io, mesh, IOobjectOption::MUST_READ, autoPtr< T >::New(), IOobjectOption::NO_READ, UList< T >::null(), patchNames(), cellShape::points(), points, and IOobjectOption::readOpt().

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---

The documentation for this class was generated from the following files:

• src/overset/cellCellStencil/trackingInverseDistance/voxelMeshSearch.H
• src/overset/cellCellStencil/trackingInverseDistance/voxelMeshSearch.C
• src/overset/cellCellStencil/trackingInverseDistance/voxelMeshSearchTemplates.C