Base class for VTK output writers that handle geometry and fields (eg, vtp, vtu data). These output formats are structured as DECLARED, FIELD_DATA, PIECE followed by any CELL_DATA or POINT_DATA. More...

Inheritance diagram for fileWriter:

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Collaboration diagram for fileWriter:

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Public Member Functions
	fileWriter (const vtk::fileTag contentType, const vtk::outputOptions opts)
	Construct from components. More...

virtual	~fileWriter ()
	Destructor. More...

vtk::fileTag	contentType () const noexcept
	The content type. More...

vtk::outputOptions	opts () const noexcept
	The output options in use. More...

word	ext () const
	File extension for current format type. More...

bool	legacy () const noexcept
	Commonly used query. More...

bool	parallel () const noexcept
	Parallel output requested? More...

const word &	state () const
	The output state in printable format. More...

const fileName &	output () const noexcept
	The current output file name. More...

virtual bool	open (const fileName &file, bool parallel=Pstream::parRun())
	Open file for writing (creates parent directory). More...

void	close ()
	End the file contents and close the file after writing. More...

virtual bool	beginFile (std::string title="")
	Write file header (non-collective) More...

bool	beginFieldData (label nFields=0)
	Begin FieldData output section for specified number of fields. More...

virtual bool	writeGeometry ()=0
	Write mesh topology. More...

virtual bool	beginCellData (label nFields=0)=0
	Begin CellData output section for specified number of fields. More...

virtual bool	beginPointData (label nFields=0)=0
	Begin PointData for specified number of fields. More...

label	nCellData () const noexcept
	Return the number of CellData written for the Piece thus far. More...

label	nPointData () const noexcept
	Return the number of PointData written for the Piece thus far. More...

bool	endFieldData ()
	Explicitly end FieldData output and switch to DECLARED state. More...

bool	endCellData ()
	Explicitly end CellData output and switch to PIECE state. More...

bool	endPointData ()
	Explicitly end PointData output and switch to PIECE state. More...

void	writeTimeValue (scalar timeValue)
	Write "TimeValue" FieldData (name as per Catalyst output) More...

Protected Types
enum	outputState : uint8_t { CLOSED = 0 , OPENED , DECLARED , FIELD_DATA , PIECE , CELL_DATA , POINT_DATA }
	Internal tracking of the output state. More...

Protected Member Functions
void	checkFormatterValidity () const
	Verify that formatter in either allocated or not required. More...

Ostream &	reportBadState (Ostream &, outputState expected) const
	Generate message reporting bad writer state. More...

Ostream &	reportBadState (Ostream &, outputState, outputState) const
	Generate message reporting bad writer state. More...

std::ofstream &	os () noexcept
	The backend ostream in use. More...

vtk::formatter &	format ()
	The VTK formatter in use. FatalError for off-processor. More...

bool	isState (outputState test) const noexcept
	True if output state corresponds to the test state. More...

bool	notState (outputState test) const noexcept
	True if output state does not correspond to the test state. More...

template<class Type >
void	beginDataArray (const word &fieldName, const label nValues)
	Start of a field or DataArray output (legacy or non-legacy). More...

void	endDataArray ()
	Flush formatter and end of DataArray output (non-legacy) More...

void	beginPoints (const label nPoints)
	Start of a POINTS DataArray. More...

void	endPoints ()
	End of a POINTS DataArray. More...

bool	enter_Piece ()
	Trigger change state to Piece. Resets nCellData_, nPointData_. More...

bool	endPiece ()
	Explicitly end Piece output and switch to DECLARED state. More...

bool	enter_CellData (label nEntries, label nFields)
	Trigger change state to CellData. More...

bool	enter_PointData (label nEntries, label nFields)
	Trigger change state to PointData. More...

bool	exit_File ()
	Emit file footer (end data, end piece, end file) More...

template<class Type >
void	writeUniform (const word &fieldName, const Type &val, const label nValues)
	Write uniform field content. More...

template<class Type >
void	writeBasicField (const word &fieldName, const UList< Type > &field)
	Write basic (primitive) field content. More...

bool	writeProcIDs (const label nValues)
	Write nValues of processor ids as CellData (no-op in serial) More...

	fileWriter (const fileWriter &)=delete
	No copy construct. More...

void	operator= (const fileWriter &)=delete
	No copy assignment. More...

Protected Attributes
outputState	state_
	The output state. More...

vtk::fileTag	contentType_
	The content type (PolyData, UnstructuredGrid ...) More...

bool	parallel_
	Parallel writing (via master) More...

vtk::outputOptions	opts_
	Requested output options. More...

label	nCellData_
	The number of CellData written for the Piece thus far. More...

label	nPointData_
	The number of PointData written for the Piece thus far. More...

fileName	outputFile_
	The output file name. More...

autoPtr< vtk::formatter >	format_
	The VTK formatter in use (only valid on master process) More...

std::ofstream	os_
	The backend ostream in use (only opened on master process) More...

Static Protected Attributes
static const Enum< outputState >	stateNames
	Names for the output state (for messages, not for file output). More...

Detailed Description

Base class for VTK output writers that handle geometry and fields (eg, vtp, vtu data). These output formats are structured as DECLARED, FIELD_DATA, PIECE followed by any CELL_DATA or POINT_DATA.

This writer base tracks these expected output states internally to help avoid logic errors in the callers.

The FieldData element must be placed prior to writing any geometry Piece. This moves the information to the front of the output file for visibility and simplifies the logic when creating multi-piece geometries.

Source files

Definition at line 68 of file foamVtkFileWriter.H.

Member Enumeration Documentation

◆ outputState

enum outputState : uint8_t

protected

Internal tracking of the output state.

Enumerator
CLOSED	File is closed.
OPENED	File is opened.
DECLARED	File contents declared (VTKFile header written)
FIELD_DATA	Inside FieldData.
PIECE	Inside Piece (after geometry write)
CELL_DATA	Inside CellData.
POINT_DATA	Inside PointData.

Definition at line 75 of file foamVtkFileWriter.H.

Constructor & Destructor Documentation

◆ fileWriter() [1/2]

fileWriter ( const fileWriter & )

protecteddelete

No copy construct.

◆ fileWriter() [2/2]

fileWriter	(	const vtk::fileTag	contentType,
		const vtk::outputOptions	opts
	)

Construct from components.

Definition at line 287 of file foamVtkFileWriter.C.

References outputOptions::append(), and fileWriter::opts_.

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◆ ~fileWriter()

~fileWriter ( )

virtual

Destructor.

Definition at line 310 of file foamVtkFileWriter.C.

Member Function Documentation

◆ checkFormatterValidity()

void checkFormatterValidity ( ) const

protected

Verify that formatter in either allocated or not required.

Definition at line 52 of file foamVtkFileWriter.C.

References Foam::endl(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, fileWriter::format_, splitCell::master(), and fileWriter::parallel_.

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◆ reportBadState() [1/2]

Foam::Ostream & reportBadState	(	Ostream &	os,
		outputState	expected
	)		const

protected

Generate message reporting bad writer state.

Definition at line 64 of file foamVtkFileWriter.C.

References os().

Referenced by internalWriter::write(), patchWriter::write(), lagrangianWriter::write(), coordSetWriter::writePointData(), internalMeshWriter::writeUniform(), patchMeshWriter::writeUniform(), and polyWriter::writeUniformValue().

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◆ reportBadState() [2/2]

Foam::Ostream & reportBadState	(	Ostream &	os,
		outputState	expected,
		outputState	expected2
	)		const

protected

Generate message reporting bad writer state.

Definition at line 76 of file foamVtkFileWriter.C.

References os().

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◆ os()

std::ofstream & os ( )

inlineprotectednoexcept

The backend ostream in use.

Definition at line 30 of file foamVtkFileWriterI.H.

References fileWriter::os_.

◆ format()

Foam::vtk::formatter & format ( )

inlineprotected

The VTK formatter in use. FatalError for off-processor.

Definition at line 36 of file foamVtkFileWriterI.H.

Referenced by fileWriter::beginDataArray(), patchMeshWriter::beginPiece(), internalWriter::write(), patchWriter::write(), and coordSetWriter::writePointData().

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◆ isState()

bool isState ( outputState test ) const

inlineprotectednoexcept

True if output state corresponds to the test state.

Definition at line 42 of file foamVtkFileWriterI.H.

Referenced by internalWriter::write(), patchWriter::write(), lagrangianWriter::write(), coordSetWriter::writePointData(), internalMeshWriter::writeUniform(), patchMeshWriter::writeUniform(), and polyWriter::writeUniformValue().

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◆ notState()

bool notState ( outputState test ) const

inlineprotectednoexcept

True if output state does not correspond to the test state.

Definition at line 48 of file foamVtkFileWriterI.H.

◆ beginDataArray()

void beginDataArray	(	const word &	fieldName,
		const label	nValues
	)

protected

Start of a field or DataArray output (legacy or non-legacy).

Definition at line 34 of file foamVtkFileWriterTemplates.C.

References formatter::beginDataArray(), fileWriter::format(), fileWriter::format_, fileWriter::legacy(), and formatter::writeSize().

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◆ endDataArray()

void endDataArray ( )

protected

Flush formatter and end of DataArray output (non-legacy)

Definition at line 206 of file foamVtkFileWriter.C.

References format().

Referenced by internalWriter::write(), patchWriter::write(), and coordSetWriter::writePointData().

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◆ beginPoints()

void beginPoints ( const label nPoints )

protected

Start of a POINTS DataArray.

Definition at line 216 of file foamVtkFileWriter.C.

References Foam::vtk::legacy::beginPoints(), format(), nPoints, and Foam::vtk::POINTS.

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◆ endPoints()

void endPoints ( )

protected

End of a POINTS DataArray.

Definition at line 239 of file foamVtkFileWriter.C.

References format(), and Foam::vtk::POINTS.

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◆ enter_Piece()

bool enter_Piece ( )

protected

Trigger change state to Piece. Resets nCellData_, nPointData_.

Definition at line 89 of file foamVtkFileWriter.C.

References Foam::exit(), Foam::FatalError, and FatalErrorInFunction.

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◆ endPiece()

bool endPiece ( )

protected

Explicitly end Piece output and switch to DECLARED state.

Ignored (no-op) if not currently in the PIECE state.

Definition at line 110 of file foamVtkFileWriter.C.

References format().

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◆ enter_CellData()

bool enter_CellData	(	label	nEntries,
		label	nFields
	)

protected

Trigger change state to CellData.

Legacy requires both parameters. XML doesn't require either.

Returns: True if the state changed

Definition at line 132 of file foamVtkFileWriter.C.

References Foam::vtk::legacy::beginCellData(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, and format().

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◆ enter_PointData()

bool enter_PointData	(	label	nEntries,
		label	nFields
	)

protected

Trigger change state to PointData.

Legacy requires both parameters. XML doesn't require either.

Returns: True if the state changed

Definition at line 169 of file foamVtkFileWriter.C.

References Foam::vtk::legacy::beginPointData(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, and format().

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◆ exit_File()

bool exit_File ( )

protected

Emit file footer (end data, end piece, end file)

Definition at line 255 of file foamVtkFileWriter.C.

References Foam::endl(), Foam::vtk::fileTagNames, format(), Foam::nl, and WarningInFunction.

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◆ writeUniform()

void writeUniform	(	const word &	fieldName,
		const Type &	val,
		const label	nValues
	)

protected

Write uniform field content.

No context checking (eg, file-open, CellData, PointData, etc) The value and count can be different on each processor

Definition at line 88 of file foamVtkFileWriterTemplates.C.

References format(), Foam::reduce(), Foam::vtk::write(), and Foam::vtk::writeValueParallel().

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◆ writeBasicField()

void writeBasicField	(	const word &	fieldName,
		const UList< Type > &	field
	)

protected

Write basic (primitive) field content.

No context checking (eg, file-open, CellData, PointData, etc)

Definition at line 118 of file foamVtkFileWriterTemplates.C.

References field(), format(), Foam::reduce(), Foam::vtk::writeList(), and Foam::vtk::writeListParallel().

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◆ writeProcIDs()

bool writeProcIDs ( const label nValues )

protected

Write nValues of processor ids as CellData (no-op in serial)

Definition at line 545 of file foamVtkFileWriter.C.

References Foam::endl(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, format(), splitCell::master(), processorFaPatch::myProcNo(), Foam::nl, UPstream::parRun(), procAddr(), Foam::returnReduce(), and Foam::vtk::write().

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◆ operator=()

void operator= ( const fileWriter & )

protecteddelete

No copy assignment.

◆ contentType()

Foam::vtk::fileTag contentType ( ) const

inlinenoexcept

The content type.

Definition at line 56 of file foamVtkFileWriterI.H.

◆ opts()

Foam::vtk::outputOptions opts ( ) const

inlinenoexcept

The output options in use.

Definition at line 62 of file foamVtkFileWriterI.H.

Referenced by polyWriter::ext(), internalMeshWriter::ext(), and patchMeshWriter::ext().

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◆ ext()

Foam::word ext ( ) const

inline

File extension for current format type.

Definition at line 68 of file foamVtkFileWriterI.H.

References word::ext().

Referenced by vtkWriter::path(), and vtkWriter::write().

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◆ legacy()

bool legacy ( ) const

inlinenoexcept

Commonly used query.

Definition at line 74 of file foamVtkFileWriterI.H.

Referenced by fileWriter::beginDataArray(), and patchMeshWriter::beginPiece().

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◆ parallel()

bool parallel ( ) const

inlinenoexcept

Parallel output requested?

Definition at line 80 of file foamVtkFileWriterI.H.

Referenced by coordSetWriter::coordSetWriter(), internalMeshWriter::internalMeshWriter(), lagrangianWriter::lagrangianWriter(), lineWriter::lineWriter(), patchMeshWriter::patchMeshWriter(), polyWriter::polyWriter(), surfaceFieldWriter::surfaceFieldWriter(), and surfaceWriter::surfaceWriter().

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◆ state()

const Foam::word & state ( ) const

inline

The output state in printable format.

Definition at line 86 of file foamVtkFileWriterI.H.

◆ output()

const Foam::fileName & output ( ) const

inlinenoexcept

The current output file name.

Definition at line 92 of file foamVtkFileWriterI.H.

◆ open()

bool open	(	const fileName &	file,
		bool	parallel = `Pstream::parRun()`
	)

virtual

Open file for writing (creates parent directory).

The file name is normally without an extension, this will be added according to the content-type and the output format (legacy/xml). If the file name has an extension, it will be used where if appropriate or changed to suit the format (legacy/xml) type.

Note: Expected calling states: (CLOSED).

Reimplemented in coordSetWriter.

Definition at line 318 of file foamVtkFileWriter.C.

References Foam::exit(), Foam::FatalError, FatalErrorInFunction, Foam::vtk::fileExtension, Foam::vtk::legacy::fileExtension, splitCell::master(), Foam::mkDir(), UPstream::parRun(), and fileName::removeExt().

Referenced by searchableSurfaces::checkIntersection(), internalMeshWriter::internalMeshWriter(), lagrangianWriter::lagrangianWriter(), lineWriter::lineWriter(), patchMeshWriter::patchMeshWriter(), polyWriter::polyWriter(), surfaceFieldWriter::surfaceFieldWriter(), and surfaceWriter::surfaceWriter().

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◆ close()

void close ( )

End the file contents and close the file after writing.

Note: Expected calling states: (PIECE | CELL_DATA | POINT_DATA).

Definition at line 377 of file foamVtkFileWriter.C.

Referenced by searchableSurfaces::checkIntersection().

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◆ beginFile()

bool beginFile ( std::string title = "" )

virtual

Write file header (non-collective)

Note: Expected calling states: (OPENED)

Reimplemented in surfaceFieldWriter, lineWriter, surfaceWriter, lagrangianWriter, coordSetWriter, internalMeshWriter, patchMeshWriter, and GenericPatchWriter< PatchType >.

Definition at line 393 of file foamVtkFileWriter.C.

References Foam::exit(), Foam::FatalError, FatalErrorInFunction, Foam::vtk::legacy::fileHeader(), and format().

Referenced by surfaceFieldWriter::beginFile(), lineWriter::beginFile(), surfaceWriter::beginFile(), lagrangianWriter::beginFile(), coordSetWriter::beginFile(), internalMeshWriter::beginFile(), and patchMeshWriter::beginFile().

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◆ beginFieldData()

bool beginFieldData ( label nFields = 0 )

Begin FieldData output section for specified number of fields.

Parameters

nFields is for legacy format only. When nFields=0, this a no-op for legacy format.

Note: Expected calling states: (OPENED | DECLARED).

Definition at line 432 of file foamVtkFileWriter.C.

References Foam::vtk::legacy::beginFieldData(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, and format().

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◆ writeGeometry()

virtual bool writeGeometry ( )

pure virtual

Write mesh topology.

Also writes the file header if not previously written.

Note: Must be called prior to writing CellData or PointData

Implemented in surfaceFieldWriter, lineWriter, polyWriter, surfaceWriter, lagrangianWriter, coordSetWriter, internalMeshWriter, GenericPatchWriter< PatchType >, and patchMeshWriter.

◆ beginCellData()

virtual bool beginCellData ( label nFields = 0 )

pure virtual

Begin CellData output section for specified number of fields.

Must be called prior to writing any cell data fields.

Parameters

nFields is for legacy format only. When nFields=0, this a no-op for legacy format.

Note: Expected calling states: (PIECE | POINT_DATA).

Returns: True if the state changed

Implemented in surfaceFieldWriter, polyWriter, lagrangianWriter, internalMeshWriter, and patchMeshWriter.

◆ beginPointData()

virtual bool beginPointData ( label nFields = 0 )

pure virtual

Begin PointData for specified number of fields.

Must be called prior to writing any point data fields.

Parameters

nFields is for legacy format only. When nFields=0, this a no-op for legacy format.

Note: Expected calling states: (PIECE | CELL_DATA).

Returns: True if the state changed

Implemented in surfaceFieldWriter, polyWriter, lagrangianWriter, internalMeshWriter, and patchMeshWriter.

◆ nCellData()

Foam::label nCellData ( ) const

inlinenoexcept

Return the number of CellData written for the Piece thus far.

Definition at line 98 of file foamVtkFileWriterI.H.

◆ nPointData()

Foam::label nPointData ( ) const

inlinenoexcept

Return the number of PointData written for the Piece thus far.

Definition at line 104 of file foamVtkFileWriterI.H.

◆ endFieldData()

bool endFieldData ( )

Explicitly end FieldData output and switch to DECLARED state.

Ignored (no-op) if not currently in the FIELD_DATA state.

Definition at line 464 of file foamVtkFileWriter.C.

References format().

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◆ endCellData()

bool endCellData ( )

Explicitly end CellData output and switch to PIECE state.

Ignored (no-op) if not currently in the CELL_DATA state.

Definition at line 482 of file foamVtkFileWriter.C.

References format().

Referenced by lumpedPointMovement::writeVTP(), and lumpedPointMovement::writeZonesVTP().

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◆ endPointData()

bool endPointData ( )

Explicitly end PointData output and switch to PIECE state.

Ignored (no-op) if not currently in the POINT_DATA state.

Definition at line 500 of file foamVtkFileWriter.C.

References format().

Referenced by lumpedPointMovement::writeVTP().

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◆ writeTimeValue()

void writeTimeValue ( scalar timeValue )

Write "TimeValue" FieldData (name as per Catalyst output)

Must be called within the FIELD_DATA state.

Note: As a convenience this can also be called from (OPENED | DECLARED) states, in which case it invokes beginFieldData(1) internally.

Definition at line 518 of file foamVtkFileWriter.C.

References Foam::exit(), Foam::FatalError, FatalErrorInFunction, format(), and Foam::vtk::legacy::writeTimeValue().

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Member Data Documentation

◆ stateNames

const Foam::Enum< Foam::vtk::fileWriter::outputState > stateNames

staticprotected

Names for the output state (for messages, not for file output).

Definition at line 87 of file foamVtkFileWriter.H.

◆ state_

outputState state_

protected

The output state.

Definition at line 91 of file foamVtkFileWriter.H.

◆ contentType_

vtk::fileTag contentType_

protected

The content type (PolyData, UnstructuredGrid ...)

Definition at line 94 of file foamVtkFileWriter.H.

◆ parallel_

bool parallel_

protected

Parallel writing (via master)

Definition at line 97 of file foamVtkFileWriter.H.

Referenced by patchMeshWriter::beginPiece(), fileWriter::checkFormatterValidity(), internalWriter::write(), and patchWriter::write().

◆ opts_

vtk::outputOptions opts_

protected

Requested output options.

Definition at line 100 of file foamVtkFileWriter.H.

Referenced by fileWriter::fileWriter(), internalMeshWriter::internalMeshWriter(), lagrangianWriter::lagrangianWriter(), patchMeshWriter::patchMeshWriter(), polyWriter::polyWriter(), and surfaceFieldWriter::surfaceFieldWriter().

◆ nCellData_

label nCellData_

protected

The number of CellData written for the Piece thus far.

Definition at line 103 of file foamVtkFileWriter.H.

Referenced by lagrangianWriter::write(), internalMeshWriter::writeUniform(), patchMeshWriter::writeUniform(), and polyWriter::writeUniformValue().

◆ nPointData_

label nPointData_

protected

The number of PointData written for the Piece thus far.

Definition at line 106 of file foamVtkFileWriter.H.

Referenced by internalWriter::write(), patchWriter::write(), lagrangianWriter::write(), coordSetWriter::writePointData(), internalMeshWriter::writeUniform(), patchMeshWriter::writeUniform(), and polyWriter::writeUniformValue().

◆ outputFile_

fileName outputFile_

protected

The output file name.

Definition at line 109 of file foamVtkFileWriter.H.

◆ format_

autoPtr<vtk::formatter> format_

protected

The VTK formatter in use (only valid on master process)

Definition at line 112 of file foamVtkFileWriter.H.

Referenced by fileWriter::beginDataArray(), patchMeshWriter::beginPiece(), fileWriter::checkFormatterValidity(), and internalWriter::write().

◆ os_

std::ofstream os_

protected

The backend ostream in use (only opened on master process)

Definition at line 115 of file foamVtkFileWriter.H.

Referenced by fileWriter::os().

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

src/fileFormats/vtk/file/foamVtkFileWriter.H
src/fileFormats/vtk/file/foamVtkFileWriter.C
src/fileFormats/vtk/file/foamVtkFileWriterI.H
src/fileFormats/vtk/file/foamVtkFileWriterTemplates.C

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ outputState

Constructor & Destructor Documentation

◆ fileWriter() [1/2]

◆ fileWriter() [2/2]

◆ ~fileWriter()

Member Function Documentation

◆ checkFormatterValidity()

◆ reportBadState() [1/2]

◆ reportBadState() [2/2]

◆ os()

◆ format()

◆ isState()

◆ notState()

◆ beginDataArray()

◆ endDataArray()

◆ beginPoints()

◆ endPoints()

◆ enter_Piece()

◆ endPiece()

◆ enter_CellData()

◆ enter_PointData()

◆ exit_File()

◆ writeUniform()

◆ writeBasicField()

◆ writeProcIDs()

◆ operator=()

◆ contentType()

◆ opts()

◆ ext()

◆ legacy()

◆ parallel()

◆ state()

◆ output()

◆ open()

◆ close()

◆ beginFile()

◆ beginFieldData()

◆ writeGeometry()

◆ beginCellData()

◆ beginPointData()

◆ nCellData()

◆ nPointData()

◆ endFieldData()

◆ endCellData()

◆ endPointData()

◆ writeTimeValue()

Member Data Documentation

◆ stateNames

◆ state_

◆ contentType_

◆ parallel_

◆ opts_

◆ nCellData_

◆ nPointData_

◆ outputFile_

◆ format_

◆ os_