class to read any type of EnSight files More...

#include <vtkGenericEnSightReader.h>

Inheritance diagram for vtkGenericEnSightReader:

Collaboration diagram for vtkGenericEnSightReader:

Public Types
enum	FileTypes { ENSIGHT_6 = 0, ENSIGHT_6_BINARY = 1, ENSIGHT_GOLD = 2, ENSIGHT_GOLD_BINARY = 3, ENSIGHT_MASTER_SERVER = 4 }

enum	{ FILE_BIG_ENDIAN =0, FILE_LITTLE_ENDIAN =1, FILE_UNKNOWN_ENDIAN =2 }

typedef vtkMultiBlockDataSetAlgorithm	Superclass

Public Types inherited from vtkMultiBlockDataSetAlgorithm
typedef vtkAlgorithm	Superclass

Public Types inherited from vtkAlgorithm
typedef vtkObject	Superclass

enum	DesiredOutputPrecision { SINGLE_PRECISION, DOUBLE_PRECISION, DEFAULT_PRECISION }

Public Types inherited from vtkObject
typedef vtkObjectBase	Superclass

Public Member Functions
virtual int	IsA (const char *type)

vtkGenericEnSightReader *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent)

const char *	GetDescription (int n)

const char *	GetComplexDescription (int n)

const char *	GetDescription (int n, int type)

int	DetermineEnSightVersion (int quiet=0)

vtkGenericEnSightReader *	GetReader ()


void	SetCaseFileName (const char *fileName)

virtual char *	GetCaseFileName ()


virtual void	SetFilePath (const char *)

virtual char *	GetFilePath ()


virtual int	GetEnSightVersion ()


virtual int	GetNumberOfVariables ()

virtual int	GetNumberOfComplexVariables ()


int	GetNumberOfVariables (int type)

virtual int	GetNumberOfScalarsPerNode ()

virtual int	GetNumberOfVectorsPerNode ()

virtual int	GetNumberOfTensorsSymmPerNode ()

virtual int	GetNumberOfScalarsPerElement ()

virtual int	GetNumberOfVectorsPerElement ()

virtual int	GetNumberOfTensorsSymmPerElement ()

virtual int	GetNumberOfScalarsPerMeasuredNode ()

virtual int	GetNumberOfVectorsPerMeasuredNode ()

virtual int	GetNumberOfComplexScalarsPerNode ()

virtual int	GetNumberOfComplexVectorsPerNode ()

virtual int	GetNumberOfComplexScalarsPerElement ()

virtual int	GetNumberOfComplexVectorsPerElement ()


int	GetVariableType (int n)

int	GetComplexVariableType (int n)


virtual void	SetTimeValue (float value)

virtual float	GetTimeValue ()


virtual float	GetMinimumTimeValue ()

virtual float	GetMaximumTimeValue ()


virtual vtkDataArrayCollection *	GetTimeSets ()


virtual void	ReadAllVariablesOn ()

virtual void	ReadAllVariablesOff ()

virtual void	SetReadAllVariables (int)

virtual int	GetReadAllVariables ()


virtual vtkDataArraySelection *	GetPointDataArraySelection ()

virtual vtkDataArraySelection *	GetCellDataArraySelection ()


int	GetNumberOfPointArrays ()

int	GetNumberOfCellArrays ()


const char *	GetPointArrayName (int index)

const char *	GetCellArrayName (int index)


int	GetPointArrayStatus (const char *name)

int	GetCellArrayStatus (const char *name)

void	SetPointArrayStatus (const char *name, int status)

void	SetCellArrayStatus (const char *name, int status)


void	SetByteOrderToBigEndian ()

void	SetByteOrderToLittleEndian ()

virtual void	SetByteOrder (int)

virtual int	GetByteOrder ()

const char *	GetByteOrderAsString ()


virtual char *	GetGeometryFileName ()


virtual void	SetParticleCoordinatesByIndex (int)

virtual int	GetParticleCoordinatesByIndex ()

virtual void	ParticleCoordinatesByIndexOn ()

virtual void	ParticleCoordinatesByIndexOff ()

Public Member Functions inherited from vtkMultiBlockDataSetAlgorithm
vtkMultiBlockDataSetAlgorithm *	NewInstance () const

vtkMultiBlockDataSet *	GetOutput ()

vtkMultiBlockDataSet *	GetOutput (int)

void	SetInputData (vtkDataObject *)

void	SetInputData (int, vtkDataObject *)

virtual int	ProcessRequest (vtkInformation request, vtkInformationVector inputVector, vtkInformationVector outputVector)

Public Member Functions inherited from vtkAlgorithm
vtkAlgorithm *	NewInstance () const

int	HasExecutive ()

vtkExecutive *	GetExecutive ()

virtual void	SetExecutive (vtkExecutive *executive)

virtual int	ModifyRequest (vtkInformation *request, int when)

vtkInformation *	GetInputPortInformation (int port)

vtkInformation *	GetOutputPortInformation (int port)

int	GetNumberOfInputPorts ()

int	GetNumberOfOutputPorts ()

void	UpdateProgress (double amount)

vtkInformation *	GetInputArrayInformation (int idx)

void	RemoveAllInputs ()

vtkDataObject *	GetOutputDataObject (int port)

virtual void	RemoveInputConnection (int port, vtkAlgorithmOutput *input)

virtual void	RemoveInputConnection (int port, int idx)

virtual void	RemoveAllInputConnections (int port)

int	GetNumberOfInputConnections (int port)

int	GetTotalNumberOfInputConnections ()

vtkAlgorithmOutput *	GetInputConnection (int port, int index)

vtkAlgorithm *	GetInputAlgorithm (int port, int index, int &algPort)

vtkAlgorithm *	GetInputAlgorithm (int port, int index)

vtkExecutive *	GetInputExecutive (int port, int index)

vtkInformation *	GetInputInformation (int port, int index)

vtkInformation *	GetOutputInformation (int port)

virtual void	UpdateInformation ()

virtual void	UpdateDataObject ()

virtual void	PropagateUpdateExtent ()

virtual void	UpdateWholeExtent ()

void	ConvertTotalInputToPortConnection (int ind, int &port, int &conn)

int	SetUpdateExtentToWholeExtent (int port)

int	SetUpdateExtentToWholeExtent ()

void	SetUpdateExtent (int port, int extent[6])

int	ProcessRequest (vtkInformation request, vtkCollection inInfo, vtkInformationVector *outInfo)

virtual int	ComputePipelineMTime (vtkInformation request, vtkInformationVector inInfoVec, vtkInformationVector outInfoVec, int requestFromOutputPort, unsigned long *mtime)

virtual vtkInformation *	GetInformation ()

virtual void	SetInformation (vtkInformation *)

virtual void	Register (vtkObjectBase *o)

virtual void	UnRegister (vtkObjectBase *o)

virtual void	SetAbortExecute (int)

virtual int	GetAbortExecute ()

virtual void	AbortExecuteOn ()

virtual void	AbortExecuteOff ()

virtual void	SetProgress (double)

virtual double	GetProgress ()

void	SetProgressText (const char *ptext)

virtual char *	GetProgressText ()

virtual unsigned long	GetErrorCode ()

virtual void	SetInputArrayToProcess (int idx, int port, int connection, int fieldAssociation, const char *name)

virtual void	SetInputArrayToProcess (int idx, int port, int connection, int fieldAssociation, int fieldAttributeType)

virtual void	SetInputArrayToProcess (int idx, vtkInformation *info)

virtual void	SetInputArrayToProcess (int idx, int port, int connection, const char fieldAssociation, const char attributeTypeorName)

vtkDataObject *	GetInputDataObject (int port, int connection)

virtual void	SetInputConnection (int port, vtkAlgorithmOutput *input)

virtual void	SetInputConnection (vtkAlgorithmOutput *input)

virtual void	AddInputConnection (int port, vtkAlgorithmOutput *input)

virtual void	AddInputConnection (vtkAlgorithmOutput *input)

virtual void	SetInputDataObject (int port, vtkDataObject *data)

virtual void	SetInputDataObject (vtkDataObject *data)

virtual void	AddInputDataObject (int port, vtkDataObject *data)

virtual void	AddInputDataObject (vtkDataObject *data)

vtkAlgorithmOutput *	GetOutputPort (int index)

vtkAlgorithmOutput *	GetOutputPort ()

vtkAlgorithm *	GetInputAlgorithm ()

vtkExecutive *	GetInputExecutive ()

vtkInformation *	GetInputInformation ()

virtual void	Update (int port)

virtual void	Update ()

virtual void	SetReleaseDataFlag (int)

virtual int	GetReleaseDataFlag ()

void	ReleaseDataFlagOn ()

void	ReleaseDataFlagOff ()

int	UpdateExtentIsEmpty (vtkInformation pinfo, vtkDataObject output)

int	UpdateExtentIsEmpty (vtkInformation *pinfo, int extentType)

void	SetUpdateExtent (int port, int piece, int numPieces, int ghostLevel)

void	SetUpdateExtent (int piece, int numPieces, int ghostLevel)

void	SetUpdateExtent (int extent[6])

int *	GetUpdateExtent ()

int *	GetUpdateExtent (int port)

void	GetUpdateExtent (int &x0, int &x1, int &y0, int &y1, int &z0, int &z1)

void	GetUpdateExtent (int port, int &x0, int &x1, int &y0, int &y1, int &z0, int &z1)

void	GetUpdateExtent (int extent[6])

void	GetUpdateExtent (int port, int extent[6])

int	GetUpdatePiece ()

int	GetUpdatePiece (int port)

int	GetUpdateNumberOfPieces ()

int	GetUpdateNumberOfPieces (int port)

int	GetUpdateGhostLevel ()

int	GetUpdateGhostLevel (int port)

void	SetProgressObserver (vtkProgressObserver *)

virtual vtkProgressObserver *	GetProgressObserver ()

Public Member Functions inherited from vtkObject
vtkObject *	NewInstance () const

virtual void	DebugOn ()

virtual void	DebugOff ()

bool	GetDebug ()

void	SetDebug (bool debugFlag)

virtual void	Modified ()

virtual unsigned long	GetMTime ()

unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)

unsigned long	AddObserver (const char event, vtkCommand , float priority=0.0f)

vtkCommand *	GetCommand (unsigned long tag)

void	RemoveObserver (vtkCommand *)

void	RemoveObservers (unsigned long event, vtkCommand *)

void	RemoveObservers (const char event, vtkCommand )

int	HasObserver (unsigned long event, vtkCommand *)

int	HasObserver (const char event, vtkCommand )

void	RemoveObserver (unsigned long tag)

void	RemoveObservers (unsigned long event)

void	RemoveObservers (const char *event)

void	RemoveAllObservers ()

int	HasObserver (unsigned long event)

int	HasObserver (const char *event)

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, bool(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)

int	InvokeEvent (unsigned long event, void *callData)

int	InvokeEvent (const char event, void callData)

int	InvokeEvent (unsigned long event)

int	InvokeEvent (const char *event)

Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const

virtual void	Delete ()

virtual void	FastDelete ()

void	Print (ostream &os)

void	SetReferenceCount (int)

void	PrintRevisions (ostream &)

virtual void	PrintHeader (ostream &os, vtkIndent indent)

virtual void	PrintTrailer (ostream &os, vtkIndent indent)

int	GetReferenceCount ()

Static Public Member Functions
static vtkGenericEnSightReader *	New ()

static int	IsTypeOf (const char *type)

static vtkGenericEnSightReader *	SafeDownCast (vtkObjectBase *o)

static int	CanReadFile (const char *casefilename)

Static Public Member Functions inherited from vtkMultiBlockDataSetAlgorithm
static vtkMultiBlockDataSetAlgorithm *	New ()

static int	IsTypeOf (const char *type)

static vtkMultiBlockDataSetAlgorithm *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkAlgorithm
static vtkAlgorithm *	New ()

static int	IsTypeOf (const char *type)

static vtkAlgorithm *	SafeDownCast (vtkObjectBase *o)

static vtkInformationIntegerKey *	INPUT_IS_OPTIONAL ()

static vtkInformationIntegerKey *	INPUT_IS_REPEATABLE ()

static vtkInformationInformationVectorKey *	INPUT_REQUIRED_FIELDS ()

static vtkInformationStringVectorKey *	INPUT_REQUIRED_DATA_TYPE ()

static vtkInformationInformationVectorKey *	INPUT_ARRAYS_TO_PROCESS ()

static vtkInformationIntegerKey *	INPUT_PORT ()

static vtkInformationIntegerKey *	INPUT_CONNECTION ()

static vtkInformationIntegerKey *	CAN_PRODUCE_SUB_EXTENT ()

static vtkInformationIntegerKey *	CAN_HANDLE_PIECE_REQUEST ()

static void	SetDefaultExecutivePrototype (vtkExecutive *proto)

Static Public Member Functions inherited from vtkObject
static int	IsTypeOf (const char *type)

static vtkObject *	SafeDownCast (vtkObjectBase *o)

static vtkObject *	New ()

static void	BreakOnError ()

static void	SetGlobalWarningDisplay (int val)

static void	GlobalWarningDisplayOn ()

static void	GlobalWarningDisplayOff ()

static int	GetGlobalWarningDisplay ()

Static Public Member Functions inherited from vtkObjectBase
static int	IsTypeOf (const char *name)

static vtkObjectBase *	New ()

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const

	vtkGenericEnSightReader ()

	~vtkGenericEnSightReader ()

virtual int	FillOutputPortInformation (int port, vtkInformation *info)

virtual int	RequestInformation (vtkInformation , vtkInformationVector , vtkInformationVector )

virtual int	RequestData (vtkInformation , vtkInformationVector , vtkInformationVector )

virtual void	ClearForNewCaseFileName ()

int	ReadLine (char result[256])

int	ReadBinaryLine (char result[80])

int	ReadNextDataLine (char result[256])

void	SelectionModified ()

char **	CreateStringArray (int numStrings)

void	DestroyStringArray (int numStrings, char **strings)

void	SetDataArraySelectionSetsFromVariables ()

void	SetDataArraySelectionSetsFromReader ()

void	SetReaderDataArraySelectionSetsFromSelf ()

virtual void	SetTimeSets (vtkDataArrayCollection *)

int	InsertNewPartId (int partId)


virtual void	SetGeometryFileName (const char *)


void	AddVariableDescription (const char *description)

void	AddComplexVariableDescription (const char *description)


void	AddVariableType (int variableType)

void	AddComplexVariableType (int variableType)


int	ReplaceWildcards (char *fileName, int timeSet, int fileSet)

void	ReplaceWildcardsHelper (char *fileName, int num)

Protected Member Functions inherited from vtkMultiBlockDataSetAlgorithm
	vtkMultiBlockDataSetAlgorithm ()

	~vtkMultiBlockDataSetAlgorithm ()

virtual vtkExecutive *	CreateDefaultExecutive ()

virtual int	FillInputPortInformation (int port, vtkInformation *info)

vtkDataObject *	GetInput (int port)

virtual int	RequestDataObject (vtkInformation , vtkInformationVector , vtkInformationVector )

virtual int	RequestUpdateExtent (vtkInformation , vtkInformationVector , vtkInformationVector )

Protected Member Functions inherited from vtkAlgorithm
	vtkAlgorithm ()

	~vtkAlgorithm ()

virtual void	SetNumberOfInputPorts (int n)

virtual void	SetNumberOfOutputPorts (int n)

int	InputPortIndexInRange (int index, const char *action)

int	OutputPortIndexInRange (int index, const char *action)

int	GetInputArrayAssociation (int idx, vtkInformationVector **inputVector)

virtual void	ReportReferences (vtkGarbageCollector *)

virtual void	SetNumberOfInputConnections (int port, int n)

int	GetInputArrayAssociation (int idx, int connection, vtkInformationVector **inputVector)

int	GetInputArrayAssociation (int idx, vtkDataObject *input)

vtkDataArray *	GetInputArrayToProcess (int idx, vtkInformationVector **inputVector)

vtkDataArray *	GetInputArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)

vtkDataArray *	GetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)

vtkDataArray *	GetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)

vtkDataArray *	GetInputArrayToProcess (int idx, vtkDataObject *input)

vtkDataArray *	GetInputArrayToProcess (int idx, vtkDataObject *input, int &association)

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector)

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkDataObject *input)

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkDataObject *input, int &association)

vtkInformation *	GetInputArrayFieldInformation (int idx, vtkInformationVector **inputVector)

virtual void	SetNthInputConnection (int port, int index, vtkAlgorithmOutput *input)

void	SetInputDataInternal (int port, vtkDataObject *input)

void	AddInputDataInternal (int port, vtkDataObject *input)

virtual void	SetErrorCode (unsigned long)

Protected Member Functions inherited from vtkObject
	vtkObject ()

virtual	~vtkObject ()

virtual void	RegisterInternal (vtkObjectBase *, int check)

virtual void	UnRegisterInternal (vtkObjectBase *, int check)

void	InternalGrabFocus (vtkCommand mouseEvents, vtkCommand keypressEvents=NULL)

void	InternalReleaseFocus ()

Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()

virtual	~vtkObjectBase ()

virtual void	CollectRevisions (ostream &)

	vtkObjectBase (const vtkObjectBase &)

void	operator= (const vtkObjectBase &)

Static Protected Member Functions
static void	SelectionModifiedCallback (vtkObject caller, unsigned long eid, void clientdata, void *calldata)

Static Protected Member Functions inherited from vtkAlgorithm
static vtkInformationIntegerKey *	PORT_REQUIREMENTS_FILLED ()

Protected Attributes
istream *	IS

FILE *	IFile

vtkGenericEnSightReader *	Reader

char *	CaseFileName

char *	GeometryFileName

char *	FilePath

int *	VariableTypes

int *	ComplexVariableTypes

char **	VariableDescriptions

char **	ComplexVariableDescriptions

int	NumberOfVariables

int	NumberOfComplexVariables

int	NumberOfScalarsPerNode

int	NumberOfVectorsPerNode

int	NumberOfTensorsSymmPerNode

int	NumberOfScalarsPerElement

int	NumberOfVectorsPerElement

int	NumberOfTensorsSymmPerElement

int	NumberOfScalarsPerMeasuredNode

int	NumberOfVectorsPerMeasuredNode

int	NumberOfComplexScalarsPerNode

int	NumberOfComplexVectorsPerNode

int	NumberOfComplexScalarsPerElement

int	NumberOfComplexVectorsPerElement

float	TimeValue

float	MinimumTimeValue

float	MaximumTimeValue

int	TimeValueInitialized

vtkDataArrayCollection *	TimeSets

int	ReadAllVariables

int	ByteOrder

int	ParticleCoordinatesByIndex

int	EnSightVersion

vtkDataArraySelection *	PointDataArraySelection

vtkDataArraySelection *	CellDataArraySelection

vtkCallbackCommand *	SelectionObserver

int	SelectionModifiedDoNotCallModified

TranslationTableType *	TranslationTable

Protected Attributes inherited from vtkAlgorithm
vtkInformation *	Information

double	Progress

char *	ProgressText

vtkProgressObserver *	ProgressObserver

unsigned long	ErrorCode

Protected Attributes inherited from vtkObject
bool	Debug

vtkTimeStamp	MTime

vtkSubjectHelper *	SubjectHelper

Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32	ReferenceCount

vtkWeakPointerBase **	WeakPointers

Additional Inherited Members
Public Attributes inherited from vtkAlgorithm
int	AbortExecute

Static Protected Attributes inherited from vtkAlgorithm
static vtkExecutive *	DefaultExecutivePrototype

Detailed Description

class to read any type of EnSight files

The class vtkGenericEnSightReader allows the user to read an EnSight data set without a priori knowledge of what type of EnSight data set it is.

Tests:: vtkGenericEnSightReader (Tests)

Definition at line 54 of file vtkGenericEnSightReader.h.

Member Typedef Documentation

typedef vtkMultiBlockDataSetAlgorithm vtkGenericEnSightReader::Superclass

Definition at line 58 of file vtkGenericEnSightReader.h.

Member Enumeration Documentation

enum vtkGenericEnSightReader::FileTypes

Enumerator
ENSIGHT_6
ENSIGHT_6_BINARY
ENSIGHT_GOLD
ENSIGHT_GOLD_BINARY
ENSIGHT_MASTER_SERVER

Definition at line 183 of file vtkGenericEnSightReader.h.

anonymous enum

Enumerator
FILE_BIG_ENDIAN
FILE_LITTLE_ENDIAN
FILE_UNKNOWN_ENDIAN

Definition at line 205 of file vtkGenericEnSightReader.h.

Constructor & Destructor Documentation

vtkGenericEnSightReader::vtkGenericEnSightReader ( )

protected

vtkGenericEnSightReader::~vtkGenericEnSightReader ( )

protected

Member Function Documentation

static vtkGenericEnSightReader* vtkGenericEnSightReader::New ( )

static

static int vtkGenericEnSightReader::IsTypeOf ( const char * type )

static

virtual int vtkGenericEnSightReader::IsA ( const char * name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkMultiBlockDataSetAlgorithm.

Reimplemented in vtkEnSightGoldBinaryReader, vtkEnSightGoldReader, vtkEnSight6BinaryReader, vtkEnSight6Reader, vtkEnSightReader, and vtkEnSightMasterServerReader.

static vtkGenericEnSightReader* vtkGenericEnSightReader::SafeDownCast ( vtkObjectBase * o )

static

virtual vtkObjectBase* vtkGenericEnSightReader::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkMultiBlockDataSetAlgorithm.

Reimplemented in vtkEnSightGoldBinaryReader, vtkEnSightGoldReader, vtkEnSight6BinaryReader, vtkEnSight6Reader, vtkEnSightReader, and vtkEnSightMasterServerReader.

vtkGenericEnSightReader* vtkGenericEnSightReader::NewInstance ( ) const

void vtkGenericEnSightReader::PrintSelf	(	ostream &	os,
		vtkIndent	indent
	)

virtual

Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkMultiBlockDataSetAlgorithm.

void vtkGenericEnSightReader::SetCaseFileName ( const char * fileName )

Set/Get the Case file name.

virtual char* vtkGenericEnSightReader::GetCaseFileName ( )

virtual

Set/Get the Case file name.

virtual void vtkGenericEnSightReader::SetFilePath ( const char * )

virtual

Set/Get the file path.

virtual char* vtkGenericEnSightReader::GetFilePath ( )

virtual

Set/Get the file path.

virtual int vtkGenericEnSightReader::GetEnSightVersion ( )

virtual

Get the EnSight file version being read.

virtual int vtkGenericEnSightReader::GetNumberOfVariables ( )

virtual

Get the number of variables listed in the case file.

virtual int vtkGenericEnSightReader::GetNumberOfComplexVariables ( )

virtual

Get the number of variables listed in the case file.

int vtkGenericEnSightReader::GetNumberOfVariables ( int type )