vtkMergeFields Class Reference

#include <vtkMergeFields.h>

Inheritance diagram for vtkMergeFields:

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Collaboration diagram for vtkMergeFields:

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List of all members.

Detailed Description

Merge multiple fields into one.

vtkMergeFields is used to merge mutliple field into one. The new field is put in the same field data as the original field. For example

 mf->SetOutputField("foo", vtkMergeFields::POINT_DATA);
 mf->SetNumberOfComponents(2);
 mf->Merge(0, "array1", 1);
 mf->Merge(1, "array2", 0);

will tell vtkMergeFields to use the 2nd component of array1 and the 1st component of array2 to create a 2 component field called foo. The same can be done using Tcl:

 mf SetOutputField foo POINT_DATA
 mf Merge 0 array1 1
 mf Merge 1 array2 0

 Field locations: DATA_OBJECT, POINT_DATA, CELL_DATA

See also:: vtkFieldData vtkDataSet vtkDataObjectToDataSetFilter vtkDataSetAttributes vtkDataArray vtkRearrangeFields vtkSplitField vtkAssignAttribute

Tests:: vtkMergeFields (Tests)

Definition at line 55 of file vtkMergeFields.h.


Public Types
enum	FieldLocations { DATA_OBJECT = 0, POINT_DATA = 1, CELL_DATA = 2 }
typedef vtkDataSetAlgorithm	Superclass
Public Member Functions
virtual const char *	GetClassName ()
virtual int	IsA (const char *type)
void	PrintSelf (ostream &os, vtkIndent indent)
void	SetOutputField (const char *name, int fieldLoc)
void	SetOutputField (const char name, const char fieldLoc)
void	Merge (int component, const char *arrayName, int sourceComp)

virtual void	SetNumberOfComponents (int)
virtual int	GetNumberOfComponents ()
Static Public Member Functions
static int	IsTypeOf (const char *type)
static vtkMergeFields *	SafeDownCast (vtkObject *o)
static vtkMergeFields *	New ()
Protected Types
enum	FieldType { NAME, ATTRIBUTE }
Protected Member Functions
	vtkMergeFields ()
virtual	~vtkMergeFields ()
int	RequestData (vtkInformation , vtkInformationVector , vtkInformationVector )
int	MergeArray (vtkDataArray in, vtkDataArray out, int inComp, int outComp)
Component *	GetNextComponent (Component *op)
Component *	GetFirst ()
void	AddComponent (Component *op)
Component *	FindComponent (int index)
void	DeleteAllComponents ()
void	PrintComponent (Component *op, ostream &os, vtkIndent indent)
void	PrintAllComponents (ostream &os, vtkIndent indent)
Protected Attributes
char *	FieldName
int	FieldLocation
int	NumberOfComponents
int	OutputDataType
Component *	Head
Component *	Tail
Static Protected Attributes
static char	FieldLocationNames [3][12]
Classes
struct	Component

Member Typedef Documentation

typedef vtkDataSetAlgorithm vtkMergeFields::Superclass

Reimplemented from vtkDataSetAlgorithm.

Definition at line 58 of file vtkMergeFields.h.

Member Enumeration Documentation

enum vtkMergeFields::FieldLocations

Enumerator:

DATA_OBJECT
POINT_DATA
CELL_DATA

Definition at line 84 of file vtkMergeFields.h.

enum vtkMergeFields::FieldType [protected]

Enumerator:

NAME
ATTRIBUTE

Definition at line 117 of file vtkMergeFields.h.

Constructor & Destructor Documentation

vtkMergeFields::vtkMergeFields ( ) [protected]

virtual vtkMergeFields::~vtkMergeFields ( ) [protected, virtual]

Member Function Documentation

virtual const char* vtkMergeFields::GetClassName ( ) [virtual]

Reimplemented from vtkDataSetAlgorithm.

static int vtkMergeFields::IsTypeOf ( const char * name ) [static]

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

Reimplemented from vtkDataSetAlgorithm.

virtual int vtkMergeFields::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 vtkTypeRevisionMacro found in vtkSetGet.h.

Reimplemented from vtkDataSetAlgorithm.

static vtkMergeFields* vtkMergeFields::SafeDownCast ( vtkObject * o ) [static]

Reimplemented from vtkDataSetAlgorithm.

void vtkMergeFields::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 vtkDataSetAlgorithm.

static vtkMergeFields* vtkMergeFields::New ( ) [static]

Create a new vtkMergeFields.

Reimplemented from vtkDataSetAlgorithm.

void vtkMergeFields::SetOutputField	(	const char *	name,
		int	fieldLoc
	)

The output field will have the given name and it will be in fieldLoc (the input fields also have to be in fieldLoc).

void vtkMergeFields::SetOutputField	(	const char *	name,
		const char *	fieldLoc
	)

Helper method used by the other language bindings. Allows the caller to specify arguments as strings instead of enums.Returns an operation id which can later be used to remove the operation.

void vtkMergeFields::Merge	(	int	component,
		const char *	arrayName,
		int	sourceComp
	)

Add a component (arrayName,sourceComp) to the output field.

virtual void vtkMergeFields::SetNumberOfComponents ( int ) [virtual]

Set the number of the components in the output field. This has to be set before execution. Default value is 0.

virtual int vtkMergeFields::GetNumberOfComponents ( ) [virtual]

Set the number of the components in the output field. This has to be set before execution. Default value is 0.

int vtkMergeFields::RequestData	(	vtkInformation *	,
		vtkInformationVector **	,
		vtkInformationVector *
	)			`[protected, virtual]`

This is called within ProcessRequest when a request asks the algorithm to do its work. This is the method you should override to do whatever the algorithm is designed to do. This happens during the fourth pass in the pipeline execution process.

Reimplemented from vtkDataSetAlgorithm.