rw::reader::VtkReader Class Reference

A class to read VTK (.vtu) mesh files. More...

#include <vtkReader.h>

Collaboration diagram for rw::reader::VtkReader:

Public Member Functions
void	close ()
	Close the file.
bool	readCellData (const std::string &name, std::vector< double > *data)
	reads cell data from .vtu file More...
bool	readCellData (const std::string &name, std::vector< float > *data)
	reads cell data from .vtu file More...
bool	readCellData (const std::string &name, std::vector< util::Matrix33 > *data)
	reads cell data from .vtu file More...
bool	readCellData (const std::string &name, std::vector< util::Point3 > *data)
	reads cell data from .vtu file More...
bool	readCellData (const std::string &name, std::vector< util::SymMatrix3 > *data)
	reads cell data from .vtu file More...
void	readCells (size_t dim, size_t &element_type, size_t &num_elem, std::vector< size_t > *enc, std::vector< std::vector< size_t >> *nec)
	Reads cell data, i.e. element-node connectivity and node-element connectivity. More...
void	readMesh (size_t dim, std::vector< util::Point3 > *nodes, size_t &element_type, size_t &num_elem, std::vector< size_t > *enc, std::vector< std::vector< size_t >> *nec, std::vector< double > *volumes, bool is_fd=false)
	Reads mesh data into node file and element file. More...
void	readNodes (std::vector< util::Point3 > *nodes)
	Reads nodal position. More...
bool	readPointData (const std::string &name, std::vector< double > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< float > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< int > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< size_t > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< uint8_t > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< util::Matrix33 > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< util::Point3 > *data)
	reads point data from .vtu file More...
bool	readPointData (const std::string &name, std::vector< util::SymMatrix3 > *data)
	reads point data from .vtu file More...
std::vector< std::string >	readVtuFileCellTags ()
	Reads all cell data tags. More...
std::vector< std::string >	readVtuFilePointTags ()
	Reads all point data tags. More...
	VtkReader (const std::string &filename)
	Constructor. More...
bool	vtuHasCellData (const std::string &data_tag)
	Checks if file has needed data. More...
bool	vtuHasPointData (const std::string &data_tag)
	Checks if file has needed data. More...

Private Attributes
vtkSmartPointer< vtkUnstructuredGrid >	d_grid_p
	Unstructured grid.
vtkSmartPointer< vtkXMLUnstructuredGridReader >	d_reader_p
	XML unstructured grid writer.

Static Private Attributes
static size_t	d_count = 0
	Counter.

Detailed Description

A class to read VTK (.vtu) mesh files.

Note

Depends on VTK library.

Constructor & Destructor Documentation

VtkReader()

rw::reader::VtkReader::VtkReader ( const std::string &  filename )

explicit

Constructor.

Parameters

filename

Name of mesh file

Note

filename is expected to have .vtu extension

Member Function Documentation

readCellData() [1/5]

bool rw::reader::VtkReader::readCellData	(	const std::string &	name,
		std::vector< double > *	data
	)

reads cell data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readCellData() [2/5]

bool rw::reader::VtkReader::readCellData	(	const std::string &	name,
		std::vector< float > *	data
	)

reads cell data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readCellData() [3/5]

bool rw::reader::VtkReader::readCellData	(	const std::string &	name,
		std::vector< util::Matrix33 > *	data
	)

reads cell data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readCellData() [4/5]

bool rw::reader::VtkReader::readCellData	(	const std::string &	name,
		std::vector< util::Point3 > *	data
	)

reads cell data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readCellData() [5/5]

bool rw::reader::VtkReader::readCellData	(	const std::string &	name,
		std::vector< util::SymMatrix3 > *	data
	)

reads cell data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readCells()

void rw::reader::VtkReader::readCells	(	size_t	dim,
		size_t &	element_type,
		size_t &	num_elem,
		std::vector< size_t > *	enc,
		std::vector< std::vector< size_t >> *	nec
	)

Reads cell data, i.e. element-node connectivity and node-element connectivity.

Parameters

dim	Dimension
element_type	Type of element
num_elem	Number of elements
enc	Element-node connectivity
nec	Node-element connectivity

readMesh()

void rw::reader::VtkReader::readMesh	(	size_t	dim,
		std::vector< util::Point3 > *	nodes,
		size_t &	element_type,
		size_t &	num_elem,
		std::vector< size_t > *	enc,
		std::vector< std::vector< size_t >> *	nec,
		std::vector< double > *	volumes,
		bool	is_fd = false
	)

Reads mesh data into node file and element file.

Parameters

dim	Dimension
nodes	Vector of nodes data
element_type	Type of element
num_elem	Number of elements
enc	Vector holding element-node connectivity
nec	Vector holding node-element connectivity
volumes	Vector holding volume of the nodes
is_fd	Flag indicating if this mesh is for finite_difference simulation

readNodes()

void rw::reader::VtkReader::readNodes

(

std::vector< util::Point3 > *

nodes

)

Reads nodal position.

Parameters

nodes

Vector of nodal coordinates

readPointData() [1/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< double > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [2/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< float > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [3/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< int > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [4/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< size_t > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [5/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< uint8_t > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [6/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< util::Matrix33 > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [7/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< util::Point3 > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readPointData() [8/8]

bool rw::reader::VtkReader::readPointData	(	const std::string &	name,
		std::vector< util::SymMatrix3 > *	data
	)

reads point data from .vtu file

Parameters

name	Name of data
data	Pointer to the vector of data

Returns

status True if data is found otherwise false

readVtuFileCellTags()

std::vector< std::string > rw::reader::VtkReader::readVtuFileCellTags

(

)

Reads all cell data tags.

Returns

List List of point data tags

readVtuFilePointTags()

std::vector< std::string > rw::reader::VtkReader::readVtuFilePointTags

(

)

Reads all point data tags.

Returns

List List of point data tags

vtuHasCellData()

bool rw::reader::VtkReader::vtuHasCellData

(

const std::string &

data_tag

)

Checks if file has needed data.

Parameters

data_tag

Tag name of data

Returns

True If file has data otherwise false

vtuHasPointData()

bool rw::reader::VtkReader::vtuHasPointData

(

const std::string &

data_tag

)

Checks if file has needed data.

Parameters

data_tag

Tag name of data

Returns

True If file has data otherwise false

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

• /root/project/src/rw/vtkReader.h
• /root/project/src/rw/vtkReader.cpp