Sundance::AToCPointLocator Class Reference

List of all members.

Public Member Functions
	AToCPointLocator (const Mesh &mesh, const CellFilter &subdomain, const std::vector< int > &nx)
int	getGridIndex (const double *x) const
int	guessCell (const double *x) const
int	findEnclosingCell (int initialGuessLID, const double *x) const
int	findEnclosingCell (int initialGuessLID, const double *x, double *localCoords) const
void	fillMaximalNeighbors (int cellLID, const int *facetLID) const
bool	cellContainsPoint (int cellLID, const double *x, const int *facetLID) const
bool	cellContainsPoint (int cellLID, const double *x, const int *facetLID, double *localCoords) const
const Mesh &	mesh () const
const CellFilter &	subdomain () const
Static Public Member Functions
static Point	makePoint (int dim, const double *x)
Private Member Functions
void	getGridRange (const Mesh &mesh, int cellDim, int cellLID, Array< int > &lowIndex, Array< int > &highIndex) const
Private Attributes
int	dim_
Mesh	mesh_
int	nFacets_
std::vector< int >	nx_
Array< double >	low_
Array< double >	high_
Array< double >	dx_
RCP< Array< int > >	table_
CellFilter	subdomain_
Array< RCP< Set< int > > >	neighborSet_

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Detailed Description

AToCPointLocator finds the cell index for a point within an unstructured mesh.

Note: not tested in parallel.

Definition at line 54 of file SundanceAToCPointLocator.hpp.

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Constructor & Destructor Documentation

AToCPointLocator::AToCPointLocator	(	const Mesh &	mesh,
		const CellFilter &	subdomain,
		const std::vector< int > &	nx
	)

Definition at line 58 of file SundanceAToCPointLocator.cpp.

References Sundance::CellSet::begin(), dim_, dx_, Sundance::CellSet::end(), Sundance::CellFilter::getCells(), Sundance::Mesh::getFacetArray(), getGridRange(), high_, low_, neighborSet_, Sundance::Mesh::nodePosition(), Sundance::Mesh::numCells(), nx_, pointLocatorCtorTimer(), and table_.

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Member Function Documentation

bool AToCPointLocator::cellContainsPoint	(	int	cellLID,
		const double *	x,
		const int *	facetLID,
		double *	localCoords
	)			const

Test whether a point is within a specified cell, and if so, compute local coordinates within that cell.

Definition at line 247 of file SundanceAToCPointLocator.cpp.

References dim_, mesh_, Sundance::Mesh::nodePositionView(), and Sundance::orient2D().

bool AToCPointLocator::cellContainsPoint	(	int	cellLID,
		const double *	x,
		const int *	facetLID
	)			const

Test whether a point is within a specified cell

Definition at line 205 of file SundanceAToCPointLocator.cpp.

References dim_, mesh_, Sundance::Mesh::nodePositionView(), and Sundance::orient2D().

Referenced by findEnclosingCell().

void AToCPointLocator::fillMaximalNeighbors	(	int	cellLID,
		const int *	facetLID
	)			const

Definition at line 185 of file SundanceAToCPointLocator.cpp.

References dim_, Sundance::Mesh::getCofacets(), mesh_, neighborSet_, and nFacets_.

Referenced by findEnclosingCell().

int AToCPointLocator::findEnclosingCell	(	int	initialGuessLID,
		const double *	x,
		double *	localCoords
	)			const

Find the cell that contains the specified point, also computing local coordinates within that cell.

Definition at line 356 of file SundanceAToCPointLocator.cpp.

References cellContainsPoint(), Sundance::Set< Key, Compare >::contains(), fillMaximalNeighbors(), Sundance::Mesh::getFacetArray(), mesh_, neighborSet_, Sundance::Mesh::numFacets(), Sundance::Set< Key, Compare >::put(), and Sundance::Mesh::spatialDim().

int AToCPointLocator::findEnclosingCell	(	int	initialGuessLID,
		const double *	x
	)			const

Find the cell that contains the specified point

Definition at line 320 of file SundanceAToCPointLocator.cpp.

References cellContainsPoint(), Sundance::Set< Key, Compare >::contains(), fillMaximalNeighbors(), Sundance::Mesh::getFacetArray(), mesh_, neighborSet_, Sundance::Mesh::numFacets(), Sundance::Set< Key, Compare >::put(), and Sundance::Mesh::spatialDim().

Referenced by Sundance::AToCDensitySampler::addToCounts(), Sundance::CToAInterpolator::interpolate(), and Sundance::AToCDensitySampler::sample().

int AToCPointLocator::getGridIndex

(

const double *

x

)

const

Find the index of a point in an overlaid structured grid.

Definition at line 141 of file SundanceAToCPointLocator.cpp.

References dim_, dx_, low_, and nx_.

Referenced by guessCell().

void AToCPointLocator::getGridRange	(	const Mesh &	mesh,
		int	cellDim,
		int	cellLID,
		Array< int > &	lowIndex,
		Array< int > &	highIndex
	)			const [private]

Find the range of structured grid cells within the bounding box of a cell.

Definition at line 155 of file SundanceAToCPointLocator.cpp.

References dx_, Sundance::Mesh::getFacetArray(), low_, and Sundance::Mesh::nodePosition().

Referenced by AToCPointLocator().

int Sundance::AToCPointLocator::guessCell

(

const double *

x

)

const [inline]

Use an overlaid structured grid to estimate the location of the point.

Definition at line 68 of file SundanceAToCPointLocator.hpp.

References getGridIndex(), and table_.

Referenced by Sundance::AToCDensitySampler::addToCounts(), Sundance::CToAInterpolator::interpolate(), and Sundance::AToCDensitySampler::sample().

Point AToCPointLocator::makePoint	(	int	dim,
		const double *	x
	)			[static]

Definition at line 391 of file SundanceAToCPointLocator.cpp.

Referenced by Sundance::AToCDensitySampler::addToCounts(), and Sundance::AToCDensitySampler::sample().

const Mesh& Sundance::AToCPointLocator::mesh

(

)

const [inline]

Definition at line 95 of file SundanceAToCPointLocator.hpp.

References mesh_.

Referenced by Sundance::CToAInterpolator::updateField().

const CellFilter& Sundance::AToCPointLocator::subdomain

(

)

const [inline]

Definition at line 98 of file SundanceAToCPointLocator.hpp.

References subdomain_.

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Member Data Documentation

int Sundance::AToCPointLocator::dim_ [private]

Definition at line 114 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator(), cellContainsPoint(), fillMaximalNeighbors(), and getGridIndex().

Array<double> Sundance::AToCPointLocator::dx_ [private]

Definition at line 120 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator(), getGridIndex(), and getGridRange().

Array<double> Sundance::AToCPointLocator::high_ [private]

Definition at line 119 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator().

Array<double> Sundance::AToCPointLocator::low_ [private]

Definition at line 118 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator(), getGridIndex(), and getGridRange().

Mesh Sundance::AToCPointLocator::mesh_ [private]

Definition at line 115 of file SundanceAToCPointLocator.hpp.

Referenced by cellContainsPoint(), fillMaximalNeighbors(), findEnclosingCell(), and mesh().

Array<RCP<Set<int> > > Sundance::AToCPointLocator::neighborSet_ [mutable, private]

Definition at line 123 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator(), fillMaximalNeighbors(), and findEnclosingCell().

int Sundance::AToCPointLocator::nFacets_ [private]

Definition at line 116 of file SundanceAToCPointLocator.hpp.

Referenced by fillMaximalNeighbors().

std::vector<int> Sundance::AToCPointLocator::nx_ [private]

Definition at line 117 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator(), and getGridIndex().

CellFilter Sundance::AToCPointLocator::subdomain_ [private]

Definition at line 122 of file SundanceAToCPointLocator.hpp.

Referenced by subdomain().

RCP<Array<int> > Sundance::AToCPointLocator::table_ [private]

Definition at line 121 of file SundanceAToCPointLocator.hpp.

Referenced by AToCPointLocator(), and guessCell().