Abstract base class for 2-D scalar grid structure. More...

#include <Core/Grid/ScalarGrid2.h>

Inheritance diagram for CubbyFlow::ScalarGrid2:

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

using	ConstScalarDataAccessor = ConstArrayAccessor2< double >
	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
	ScalarGrid2 ()
	Constructs an empty grid. More...

virtual	~ScalarGrid2 ()
	Default destructor. More...

virtual Size2	GetDataSize () const =0
	Returns the size of the grid data. More...

virtual Vector2D	GetDataOrigin () const =0
	Returns the origin of the grid data. More...

virtual std::shared_ptr< ScalarGrid2 >	Clone () const =0
	Returns the copy of the grid instance. 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 initialValue=0.0)
	Resizes the grid using given parameters. More...

void	Resize (const Size2 &resolution, const Vector2D &gridSpacing=Vector2D(1, 1), const Vector2D &origin=Vector2D(), double initialValue=0.0)
	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...

const double &	operator() (size_t i, size_t j) const
	Returns the grid data at given data point. More...

double &	operator() (size_t i, size_t j)
	Returns the grid data at given data point. More...

Vector2D	GradientAtDataPoint (size_t i, size_t j) const
	Returns the gradient vector at given data point. More...

double	LaplacianAtDataPoint (size_t i, size_t j) const
	Returns the Laplacian at given data point. More...

ScalarDataAccessor	GetDataAccessor ()
	Returns the read-write data array accessor. More...

ConstScalarDataAccessor	GetConstDataAccessor () const
	Returns the read-only data array accessor. More...

DataPositionFunc	GetDataPosition () const
	Returns the function that maps data point to its position. More...

void	Fill (double value, ExecutionPolicy policy=ExecutionPolicy::Parallel)
	Fills the grid with given value. More...

void	Fill (const std::function< double(const Vector2D &)> &func, ExecutionPolicy policy=ExecutionPolicy::Parallel)
	Fills the grid with given position-to-value mapping function. More...

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

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

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

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

Vector2D	Gradient (const Vector2D &x) const override
	Returns the gradient vector at given position `x`. More...

double	Laplacian (const Vector2D &x) const override
	Returns the Laplacian at given position `x`. 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::ScalarField2
	ScalarField2 ()
	Default constructor. More...

virtual	~ScalarField2 ()
	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...

virtual void	Swap (Grid2 *other)=0
	Swaps the data with other grid. More...

Protected Member Functions
void	SwapScalarGrid (ScalarGrid2 *other)
	Swaps the data storage and predefined samplers with given grid. More...

void	SetScalarGrid (const ScalarGrid2 &other)
	Sets the data storage and predefined samplers with given grid. 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

Abstract base class for 2-D scalar grid structure.

Member Typedef Documentation

◆ ConstScalarDataAccessor

using CubbyFlow::ScalarGrid2::ConstScalarDataAccessor = ConstArrayAccessor2<double>

Read-only array accessor type.

◆ ScalarDataAccessor

using CubbyFlow::ScalarGrid2::ScalarDataAccessor = ArrayAccessor2<double>

Read-write array accessor type.

Constructor & Destructor Documentation

◆ ScalarGrid2()

CubbyFlow::ScalarGrid2::ScalarGrid2 ( )

Constructs an empty grid.

◆ ~ScalarGrid2()

virtual CubbyFlow::ScalarGrid2::~ScalarGrid2 ( )

virtual

Default destructor.

Member Function Documentation

◆ Clear()

void CubbyFlow::ScalarGrid2::Clear ( )

Clears the contents of the grid.

◆ Clone()

virtual std::shared_ptr<ScalarGrid2> CubbyFlow::ScalarGrid2::Clone ( ) const

pure virtual

Returns the copy of the grid instance.

Implemented in CubbyFlow::CellCenteredScalarGrid2, and CubbyFlow::VertexCenteredScalarGrid2.

◆ Deserialize()

void CubbyFlow::ScalarGrid2::Deserialize ( const std::vector< uint8_t > & buffer )

overridevirtual

Deserializes the input buffer to the grid instance.

Implements CubbyFlow::Serializable.

◆ Fill() [1/2]

void CubbyFlow::ScalarGrid2::Fill	(	double	value,
		ExecutionPolicy	policy = `ExecutionPolicy::Parallel`
	)

Fills the grid with given value.

◆ Fill() [2/2]

void CubbyFlow::ScalarGrid2::Fill	(	const std::function< double(const Vector2D &)> &	func,
		ExecutionPolicy	policy = `ExecutionPolicy::Parallel`
	)

Fills the grid with given position-to-value mapping function.

◆ ForEachDataPointIndex()

void CubbyFlow::ScalarGrid2::ForEachDataPointIndex ( const std::function< void(size_t, size_t)> & func ) const

Invokes the given function func for each data point.

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

◆ GetConstDataAccessor()

ConstScalarDataAccessor CubbyFlow::ScalarGrid2::GetConstDataAccessor ( ) const

Returns the read-only data array accessor.

◆ GetData()

void CubbyFlow::ScalarGrid2::GetData ( std::vector< double > * data ) const

overrideprotectedvirtual

Fetches the data into a continuous linear array.

Implements CubbyFlow::Grid2.

◆ GetDataAccessor()

ScalarDataAccessor CubbyFlow::ScalarGrid2::GetDataAccessor ( )

Returns the read-write data array accessor.

◆ GetDataOrigin()

virtual Vector2D CubbyFlow::ScalarGrid2::GetDataOrigin ( ) const

pure virtual

Returns the origin of the grid data.

This function returns 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.

Implemented in CubbyFlow::CellCenteredScalarGrid2, and CubbyFlow::VertexCenteredScalarGrid2.

◆ GetDataPosition()

DataPositionFunc CubbyFlow::ScalarGrid2::GetDataPosition ( ) const

Returns the function that maps data point to its position.

◆ GetDataSize()

virtual Size2 CubbyFlow::ScalarGrid2::GetDataSize ( ) const

pure virtual

Returns the size of the grid data.

This function returns the size of the grid data which is not necessarily equal to the grid resolution if the data is not stored at cell-center.

Implemented in CubbyFlow::CellCenteredScalarGrid2, and CubbyFlow::VertexCenteredScalarGrid2.

◆ Gradient()

Vector2D CubbyFlow::ScalarGrid2::Gradient ( const Vector2D & x ) const

overridevirtual

Returns the gradient vector at given position x.

Reimplemented from CubbyFlow::ScalarField2.

◆ GradientAtDataPoint()

Vector2D CubbyFlow::ScalarGrid2::GradientAtDataPoint	(	size_t	i,
		size_t	j
	)		const

Returns the gradient vector at given data point.

◆ Laplacian()

double CubbyFlow::ScalarGrid2::Laplacian ( const Vector2D & x ) const

overridevirtual

Returns the Laplacian at given position x.

Reimplemented from CubbyFlow::ScalarField2.

◆ LaplacianAtDataPoint()

double CubbyFlow::ScalarGrid2::LaplacianAtDataPoint	(	size_t	i,
		size_t	j
	)		const

Returns the Laplacian at given data point.

◆ operator()() [1/2]

const double& CubbyFlow::ScalarGrid2::operator()	(	size_t	i,
		size_t	j
	)		const

Returns the grid data at given data point.

◆ operator()() [2/2]

double& CubbyFlow::ScalarGrid2::operator()	(	size_t	i,
		size_t	j
	)

Returns the grid data at given data point.

◆ ParallelForEachDataPointIndex()

void CubbyFlow::ScalarGrid2::ParallelForEachDataPointIndex ( const std::function< void(size_t, size_t)> & func ) const

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

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

◆ Resize() [1/4]

void CubbyFlow::ScalarGrid2::Resize	(	size_t	resolutionX,
		size_t	resolutionY,
		double	gridSpacingX = `1.0`,
		double	gridSpacingY = `1.0`,
		double	originX = `0.0`,
		double	originY = `0.0`,
		double	initialValue = `0.0`
	)

Resizes the grid using given parameters.

◆ Resize() [2/4]

void CubbyFlow::ScalarGrid2::Resize	(	const Size2 &	resolution,
		const Vector2D &	gridSpacing = `Vector2D(1, 1)`,
		const Vector2D &	origin = `Vector2D()`,
		double	initialValue = `0.0`
	)

Resizes the grid using given parameters.

◆ Resize() [3/4]

void CubbyFlow::ScalarGrid2::Resize	(	double	gridSpacingX,
		double	gridSpacingY,
		double	originX,
		double	originY
	)

Resizes the grid using given parameters.

◆ Resize() [4/4]

void CubbyFlow::ScalarGrid2::Resize	(	const Vector2D &	gridSpacing,
		const Vector2D &	origin
	)

Resizes the grid using given parameters.

◆ Sample()

double CubbyFlow::ScalarGrid2::Sample ( const Vector2D & x ) const

overridevirtual

Returns the sampled value at given position x.

This function returns the data sampled at arbitrary position x. The sampling function is linear.

Implements CubbyFlow::ScalarField2.

◆ Sampler()

std::function<double(const Vector2D&)> CubbyFlow::ScalarGrid2::Sampler ( ) const

overridevirtual

Returns the sampler function.

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

Reimplemented from CubbyFlow::ScalarField2.

◆ Serialize()

void CubbyFlow::ScalarGrid2::Serialize ( std::vector< uint8_t > * buffer ) const

overridevirtual

Serializes the grid instance to the output buffer.

Implements CubbyFlow::Serializable.

◆ SetData()

void CubbyFlow::ScalarGrid2::SetData ( const std::vector< double > & data )

overrideprotectedvirtual

Sets the data from a continuous linear array.

Implements CubbyFlow::Grid2.

◆ SetScalarGrid()

void CubbyFlow::ScalarGrid2::SetScalarGrid ( const ScalarGrid2 & other )

protected

Sets the data storage and predefined samplers with given grid.

◆ SwapScalarGrid()

void CubbyFlow::ScalarGrid2::SwapScalarGrid ( ScalarGrid2 * other )

protected

Swaps the data storage and predefined samplers with given grid.

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

Core/Grid/ScalarGrid2.h

Public Types

Public Member Functions

Protected Member Functions

Detailed Description

Member Typedef Documentation

◆ ConstScalarDataAccessor

◆ ScalarDataAccessor

Constructor & Destructor Documentation

◆ ScalarGrid2()

◆ ~ScalarGrid2()

Member Function Documentation

◆ Clear()

◆ Clone()

◆ Deserialize()

◆ Fill() [1/2]

◆ Fill() [2/2]

◆ ForEachDataPointIndex()

◆ GetConstDataAccessor()

◆ GetData()

◆ GetDataAccessor()

◆ GetDataOrigin()

◆ GetDataPosition()

◆ GetDataSize()

◆ Gradient()

◆ GradientAtDataPoint()

◆ Laplacian()

◆ LaplacianAtDataPoint()

◆ operator()() [1/2]

◆ operator()() [2/2]

◆ ParallelForEachDataPointIndex()

◆ Resize() [1/4]

◆ Resize() [2/4]

◆ Resize() [3/4]

◆ Resize() [4/4]

◆ Sample()

◆ Sampler()

◆ Serialize()

◆ SetData()

◆ SetScalarGrid()

◆ SwapScalarGrid()