2-D face-centered (a.k.a MAC or staggered) grid. More...

#include <Core/Grid/FaceCenteredGrid2.h>

Inheritance diagram for CubbyFlow::FaceCenteredGrid2:

Classes
class	Builder
	Front-end to create FaceCenteredGrid2 objects step by step. More...

Public Types
using	ScalarDataAccessor = ArrayAccessor2< double >
	Read-write scalar data accessor type. More...

using	ConstScalarDataAccessor = ConstArrayAccessor2< double >
	Read-only scalar data accessor type. More...

Public Types inherited from CubbyFlow::VectorGrid2
using	VectorDataAccessor = ArrayAccessor2< Vector2D >
	Read-write array accessor type. More...

using	ConstVectorDataAccessor = ConstArrayAccessor2< Vector2D >
	Read-only array accessor type. More...

Public Types inherited from CubbyFlow::Grid2
using	DataPositionFunc = std::function< Vector2D(size_t, size_t)>
	Function type for mapping data index to actual position. More...

Public Member Functions
	FaceCenteredGrid2 ()
	Constructs empty grid. More...

	FaceCenteredGrid2 (size_t resolutionX, size_t resolutionY, double gridSpacingX=1.0, double gridSpacingY=1.0, double originX=0.0, double originY=0.0, double initialValueU=0.0, double initialValueV=0.0)
	Resizes the grid using given parameters. More...

	FaceCenteredGrid2 (const Size2 &resolution, const Vector2D &gridSpacing=Vector2D(1.0, 1.0), const Vector2D &origin=Vector2D(), const Vector2D &initialValue=Vector2D())
	Resizes the grid using given parameters. More...

	FaceCenteredGrid2 (const FaceCenteredGrid2 &other)
	Copy constructor. More...

void	Swap (Grid2 *other) override
	Swaps the contents with the given `other` grid. More...

void	Set (const FaceCenteredGrid2 &other)
	Sets the contents with the given `other` grid. More...

FaceCenteredGrid2 &	operator= (const FaceCenteredGrid2 &other)
	Sets the contents with the given `other` grid. More...

double &	GetU (size_t i, size_t j)
	Returns u-value at given data point. More...

const double &	GetU (size_t i, size_t j) const
	Returns u-value at given data point. More...

double &	GetV (size_t i, size_t j)
	Returns v-value at given data point. More...

const double &	GetV (size_t i, size_t j) const
	Returns v-value at given data point. More...

Vector2D	ValueAtCellCenter (size_t i, size_t j) const
	Returns interpolated value at cell center. More...

double	DivergenceAtCellCenter (size_t i, size_t j) const
	Returns divergence at cell-center location. More...

double	CurlAtCellCenter (size_t i, size_t j) const
	Returns curl at cell-center location. More...

ScalarDataAccessor	GetUAccessor ()
	Returns u data accessor. More...

ConstScalarDataAccessor	GetUConstAccessor () const
	Returns read-only u data accessor. More...

ScalarDataAccessor	GetVAccessor ()
	Returns v data accessor. More...

ConstScalarDataAccessor	GetVConstAccessor () const
	Returns read-only v data accessor. More...

DataPositionFunc	GetUPosition () const
	Returns function object that maps u data point to its actual position. More...

DataPositionFunc	GetVPosition () const
	Returns function object that maps v data point to its actual position. More...

Size2	GetUSize () const
	Returns data size of the u component. More...

Size2	GetVSize () const
	Returns data size of the v component. More...

Vector2D	GetUOrigin () const
	Returns u-data position for the grid point at (0, 0). More...

Vector2D	GetVOrigin () const
	Returns v-data position for the grid point at (0, 0). More...

void	Fill (const Vector2D &value, ExecutionPolicy policy=ExecutionPolicy::Parallel) override
	Fills the grid with given value. More...

void	Fill (const std::function< Vector2D(const Vector2D &)> &func, ExecutionPolicy policy=ExecutionPolicy::Parallel) override
	Fills the grid with given function. More...

std::shared_ptr< VectorGrid2 >	Clone () const override
	Returns the copy of the grid instance. More...

void	ForEachUIndex (const std::function< void(size_t, size_t)> &func) const
	Invokes the given function `func` for each u-data point. More...

void	ParallelForEachUIndex (const std::function< void(size_t, size_t)> &func) const
	Invokes the given function `func` for each u-data point in parallel. More...

void	ForEachVIndex (const std::function< void(size_t, size_t)> &func) const
	Invokes the given function `func` for each v-data point. More...

void	ParallelForEachVIndex (const std::function< void(size_t, size_t)> &func) const
	Invokes the given function `func` for each v-data point in parallel. More...

Vector2D	Sample (const Vector2D &x) const override
	Returns sampled value at given position `x`. More...

double	Divergence (const Vector2D &x) const override
	Returns divergence at given position `x`. More...

double	Curl (const Vector2D &x) const override
	Returns curl at given position `x`. More...

std::function< Vector2D(const Vector2D &)>	Sampler () const override
	Returns the sampler function. More...

Public Member Functions inherited from CubbyFlow::VectorGrid2
	VectorGrid2 ()
	Constructs an empty grid. More...

virtual	~VectorGrid2 ()
	Default destructor. More...

void	Clear ()
	Clears the contents of the grid. More...

void	Resize (size_t resolutionX, size_t resolutionY, double gridSpacingX=1.0, double gridSpacingY=1.0, double originX=0.0, double originY=0.0, double initialValueX=0.0, double initialValueY=0.0)
	Resizes the grid using given parameters. More...

void	Resize (const Size2 &resolution, const Vector2D &gridSpacing=Vector2D(1, 1), const Vector2D &origin=Vector2D(), const Vector2D &initialValue=Vector2D())
	Resizes the grid using given parameters. More...

void	Resize (double gridSpacingX, double gridSpacingY, double originX, double originY)
	Resizes the grid using given parameters. More...

void	Resize (const Vector2D &gridSpacing, const Vector2D &origin)
	Resizes the grid using given parameters. More...

void	Serialize (std::vector< uint8_t > *buffer) const override
	Serializes the grid instance to the output buffer. More...

void	Deserialize (const std::vector< uint8_t > &buffer) override
	Deserializes the input buffer to the grid instance. More...

Public Member Functions inherited from CubbyFlow::VectorField2
	VectorField2 ()
	Default constructor. More...

virtual	~VectorField2 ()
	Default destructor. More...

Public Member Functions inherited from CubbyFlow::Field2
	Field2 ()

virtual	~Field2 ()

Public Member Functions inherited from CubbyFlow::Grid2
	Grid2 ()
	Constructs an empty grid. More...

virtual	~Grid2 ()
	Default destructor. More...

virtual std::string	TypeName () const =0
	Returns the type name of derived grid. More...

const Size2 &	Resolution () const
	Returns the grid resolution. More...

const Vector2D &	Origin () const
	Returns the grid origin. More...

const Vector2D &	GridSpacing () const
	Returns the grid spacing. More...

const BoundingBox2D &	BoundingBox () const
	Returns the bounding box of the grid. More...

DataPositionFunc	CellCenterPosition () const
	Returns the function that maps grid index to the cell-center position. More...

void	ForEachCellIndex (const std::function< void(size_t, size_t)> &func) const
	Invokes the given function `func` for each grid cell. More...

void	ParallelForEachCellIndex (const std::function< void(size_t, size_t)> &func) const
	Invokes the given function `func` for each grid cell in parallel. More...

bool	HasSameShape (const Grid2 &other) const
	Returns true if resolution, grid-spacing and origin are same. More...

Static Public Member Functions
static Builder	GetBuilder ()
	Returns builder fox FaceCenteredGrid2. More...

Protected Member Functions
void	OnResize (const Size2 &resolution, const Vector2D &gridSpacing, const Vector2D &origin, const Vector2D &initialValue) final
	Invoked when the resizing happens. More...

void	GetData (std::vector< double > *data) const override
	Fetches the data into a continuous linear array. More...

void	SetData (const std::vector< double > &data) override
	Sets the data from a continuous linear array. More...

Protected Member Functions inherited from CubbyFlow::Grid2
void	SetSizeParameters (const Size2 &resolution, const Vector2D &gridSpacing, const Vector2D &origin)
	Sets the size parameters including the resolution, grid spacing, and origin. More...

void	SwapGrid (Grid2 *other)
	Swaps the size parameters with given grid `other`. More...

void	SetGrid (const Grid2 &other)
	Sets the size parameters with given grid `other`. More...

Detailed Description

2-D face-centered (a.k.a MAC or staggered) grid.

This class implements face-centered grid which is also known as marker-and-cell (MAC) or staggered grid. This vector grid stores each vector component at face center. Thus, u and v components are not collocated.

Member Typedef Documentation

◆ ConstScalarDataAccessor

using CubbyFlow::FaceCenteredGrid2::ConstScalarDataAccessor = ConstArrayAccessor2<double>

Read-only scalar data accessor type.

◆ ScalarDataAccessor

using CubbyFlow::FaceCenteredGrid2::ScalarDataAccessor = ArrayAccessor2<double>

Read-write scalar data accessor type.

Constructor & Destructor Documentation

◆ FaceCenteredGrid2() [1/4]

CubbyFlow::FaceCenteredGrid2::FaceCenteredGrid2 ( )

Constructs empty grid.

◆ FaceCenteredGrid2() [2/4]

CubbyFlow::FaceCenteredGrid2::FaceCenteredGrid2	(	size_t	resolutionX,
		size_t	resolutionY,
		double	gridSpacingX = `1.0`,
		double	gridSpacingY = `1.0`,
		double	originX = `0.0`,
		double	originY = `0.0`,
		double	initialValueU = `0.0`,
		double	initialValueV = `0.0`
	)

Resizes the grid using given parameters.

◆ FaceCenteredGrid2() [3/4]

CubbyFlow::FaceCenteredGrid2::FaceCenteredGrid2	(	const Size2 &	resolution,
		const Vector2D &	gridSpacing = `Vector2D(1.0, 1.0)`,
		const Vector2D &	origin = `Vector2D()`,
		const Vector2D &	initialValue = `Vector2D()`
	)

Resizes the grid using given parameters.

◆ FaceCenteredGrid2() [4/4]

CubbyFlow::FaceCenteredGrid2::FaceCenteredGrid2 ( const FaceCenteredGrid2 & other )

Copy constructor.

Member Function Documentation

◆ Clone()

std::shared_ptr<VectorGrid2> CubbyFlow::FaceCenteredGrid2::Clone ( ) const

overridevirtual

Returns the copy of the grid instance.

Implements CubbyFlow::VectorGrid2.

◆ Curl()

double CubbyFlow::FaceCenteredGrid2::Curl ( const Vector2D & x ) const

overridevirtual

Returns curl at given position x.

Reimplemented from CubbyFlow::VectorField2.

◆ CurlAtCellCenter()

double CubbyFlow::FaceCenteredGrid2::CurlAtCellCenter	(	size_t	i,
		size_t	j
	)		const

Returns curl at cell-center location.

◆ Divergence()

double CubbyFlow::FaceCenteredGrid2::Divergence ( const Vector2D & x ) const

overridevirtual

Returns divergence at given position x.

Reimplemented from CubbyFlow::VectorField2.

◆ DivergenceAtCellCenter()

double CubbyFlow::FaceCenteredGrid2::DivergenceAtCellCenter	(	size_t	i,
		size_t	j
	)		const

Returns divergence at cell-center location.

◆ Fill() [1/2]

void CubbyFlow::FaceCenteredGrid2::Fill	(	const Vector2D &	value,
		ExecutionPolicy	policy = `ExecutionPolicy::Parallel`
	)

overridevirtual

Fills the grid with given value.

Implements CubbyFlow::VectorGrid2.

◆ Fill() [2/2]

void CubbyFlow::FaceCenteredGrid2::Fill	(	const std::function< Vector2D(const Vector2D &)> &	func,
		ExecutionPolicy	policy = `ExecutionPolicy::Parallel`
	)

overridevirtual

Fills the grid with given function.

Implements CubbyFlow::VectorGrid2.

◆ ForEachUIndex()

void CubbyFlow::FaceCenteredGrid2::ForEachUIndex ( const std::function< void(size_t, size_t)> & func ) const

Invokes the given function func for each u-data point.

This function invokes the given function object func for each u-data point in serial manner. The input parameters are i and j indices of a u-data point. The order of execution is i-first, j-last.

◆ ForEachVIndex()

void CubbyFlow::FaceCenteredGrid2::ForEachVIndex ( const std::function< void(size_t, size_t)> & func ) const

Invokes the given function func for each v-data point.

This function invokes the given function object func for each v-data point in serial manner. The input parameters are i and j indices of a v-data point. The order of execution is i-first, j-last.

◆ GetBuilder()

static Builder CubbyFlow::FaceCenteredGrid2::GetBuilder ( )

static

Returns builder fox FaceCenteredGrid2.

◆ GetData()

void CubbyFlow::FaceCenteredGrid2::GetData ( std::vector< double > * data ) const

overrideprotectedvirtual

Fetches the data into a continuous linear array.

Implements CubbyFlow::Grid2.

◆ GetU() [1/2]

double& CubbyFlow::FaceCenteredGrid2::GetU	(	size_t	i,
		size_t	j
	)

Returns u-value at given data point.

◆ GetU() [2/2]

const double& CubbyFlow::FaceCenteredGrid2::GetU	(	size_t	i,
		size_t	j
	)		const

Returns u-value at given data point.

◆ GetUAccessor()

ScalarDataAccessor CubbyFlow::FaceCenteredGrid2::GetUAccessor ( )

Returns u data accessor.

◆ GetUConstAccessor()

ConstScalarDataAccessor CubbyFlow::FaceCenteredGrid2::GetUConstAccessor ( ) const

Returns read-only u data accessor.

◆ GetUOrigin()

Vector2D CubbyFlow::FaceCenteredGrid2::GetUOrigin ( ) const

Returns u-data position for the grid point at (0, 0).

Note that this is different from origin() since origin() returns the lower corner point of the bounding box.

◆ GetUPosition()

DataPositionFunc CubbyFlow::FaceCenteredGrid2::GetUPosition ( ) const

Returns function object that maps u data point to its actual position.

◆ GetUSize()

Size2 CubbyFlow::FaceCenteredGrid2::GetUSize ( ) const

Returns data size of the u component.

◆ GetV() [1/2]

double& CubbyFlow::FaceCenteredGrid2::GetV	(	size_t	i,
		size_t	j
	)

Returns v-value at given data point.

◆ GetV() [2/2]

const double& CubbyFlow::FaceCenteredGrid2::GetV	(	size_t	i,
		size_t	j
	)		const

Returns v-value at given data point.

◆ GetVAccessor()

ScalarDataAccessor CubbyFlow::FaceCenteredGrid2::GetVAccessor ( )

Returns v data accessor.

◆ GetVConstAccessor()

ConstScalarDataAccessor CubbyFlow::FaceCenteredGrid2::GetVConstAccessor ( ) const

Returns read-only v data accessor.

◆ GetVOrigin()

Vector2D CubbyFlow::FaceCenteredGrid2::GetVOrigin ( ) const

Returns v-data position for the grid point at (0, 0).

Note that this is different from origin() since origin() returns the lower corner point of the bounding box.

◆ GetVPosition()

DataPositionFunc CubbyFlow::FaceCenteredGrid2::GetVPosition ( ) const

Returns function object that maps v data point to its actual position.

◆ GetVSize()

Size2 CubbyFlow::FaceCenteredGrid2::GetVSize ( ) const

Returns data size of the v component.

◆ OnResize()

void CubbyFlow::FaceCenteredGrid2::OnResize	(	const Size2 &	resolution,
		const Vector2D &	gridSpacing,
		const Vector2D &	origin,
		const Vector2D &	initialValue
	)

finalprotectedvirtual

Invoked when the resizing happens.

This callback function is called when the grid gets resized. The overriding class should allocate the internal storage based on its data layout scheme.

Implements CubbyFlow::VectorGrid2.

◆ operator=()

FaceCenteredGrid2& CubbyFlow::FaceCenteredGrid2::operator= ( const FaceCenteredGrid2 & other )

Sets the contents with the given other grid.

◆ ParallelForEachUIndex()

void CubbyFlow::FaceCenteredGrid2::ParallelForEachUIndex ( const std::function< void(size_t, size_t)> & func ) const

Invokes the given function func for each u-data point in parallel.

This function invokes the given function object func for each u-data point in parallel manner. The input parameters are i and j indices of a u-data point. The order of execution can be arbitrary since it's multi-threaded.

◆ ParallelForEachVIndex()

void CubbyFlow::FaceCenteredGrid2::ParallelForEachVIndex ( const std::function< void(size_t, size_t)> & func ) const

Invokes the given function func for each v-data point in parallel.

This function invokes the given function object func for each v-data point in parallel manner. The input parameters are i and j indices of a v-data point. The order of execution can be arbitrary since it's multi-threaded.

◆ Sample()

Vector2D CubbyFlow::FaceCenteredGrid2::Sample ( const Vector2D & x ) const

overridevirtual

Returns sampled value at given position x.

Implements CubbyFlow::VectorField2.

◆ Sampler()

std::function<Vector2D(const Vector2D&)> CubbyFlow::FaceCenteredGrid2::Sampler ( ) const

overridevirtual

Returns the sampler function.

This function returns the data sampler function object. The sampling function is linear.

Reimplemented from CubbyFlow::VectorField2.

◆ Set()

void CubbyFlow::FaceCenteredGrid2::Set ( const FaceCenteredGrid2 & other )

Sets the contents with the given other grid.

◆ SetData()

void CubbyFlow::FaceCenteredGrid2::SetData ( const std::vector< double > & data )

overrideprotectedvirtual

Sets the data from a continuous linear array.

Implements CubbyFlow::Grid2.

◆ Swap()

void CubbyFlow::FaceCenteredGrid2::Swap ( Grid2 * other )

overridevirtual

Swaps the contents with the given other grid.

This function swaps the contents of the grid instance with the given grid object other only if other has the same type with this grid.

Implements CubbyFlow::Grid2.

◆ ValueAtCellCenter()

Vector2D CubbyFlow::FaceCenteredGrid2::ValueAtCellCenter	(	size_t	i,
		size_t	j
	)		const

Returns interpolated value at cell center.

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

Core/Grid/FaceCenteredGrid2.h

Classes

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Member Typedef Documentation

◆ ConstScalarDataAccessor

◆ ScalarDataAccessor

Constructor & Destructor Documentation

◆ FaceCenteredGrid2() [1/4]

◆ FaceCenteredGrid2() [2/4]

◆ FaceCenteredGrid2() [3/4]

◆ FaceCenteredGrid2() [4/4]

Member Function Documentation

◆ Clone()

◆ Curl()

◆ CurlAtCellCenter()

◆ Divergence()

◆ DivergenceAtCellCenter()

◆ Fill() [1/2]

◆ Fill() [2/2]

◆ ForEachUIndex()

◆ ForEachVIndex()

◆ GetBuilder()

◆ GetData()

◆ GetU() [1/2]

◆ GetU() [2/2]

◆ GetUAccessor()

◆ GetUConstAccessor()

◆ GetUOrigin()

◆ GetUPosition()

◆ GetUSize()

◆ GetV() [1/2]

◆ GetV() [2/2]

◆ GetVAccessor()

◆ GetVConstAccessor()

◆ GetVOrigin()

◆ GetVPosition()

◆ GetVSize()

◆ OnResize()

◆ operator=()

◆ ParallelForEachUIndex()

◆ ParallelForEachVIndex()

◆ Sample()

◆ Sampler()

◆ Set()

◆ SetData()

◆ Swap()

◆ ValueAtCellCenter()