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vtkCellLinks Class Reference

object represents upward pointers from points to list of cells using each point. More...

#include <vtkCellLinks.h>

Inheritance diagram for vtkCellLinks:

[legend]Collaboration diagram for vtkCellLinks:

[legend]List of all members.

Public Methods
virtual const char *	GetClassName ()
virtual int	IsA (const char *type)
void	Allocate (int numLinks, int ext=1000)
_vtkLink_s &	GetLink (int ptId)
unsigned short	GetNcells (int ptId)
void	BuildLinks (vtkDataSet *data)
void	BuildLinks (vtkDataSet *data, vtkCellArray *Connectivity)
int *	GetCells (int ptId)
int	InsertNextPoint (int numLinks)
void	InsertNextCellReference (int ptId, int cellId)
void	DeletePoint (int ptId)
void	RemoveCellReference (int cellId, int ptId)
void	AddCellReference (int cellId, int ptId)
void	ResizeCellList (int ptId, int size)
void	Squeeze ()
void	Reset ()
unsigned long	GetActualMemorySize ()
void	DeepCopy (vtkCellLinks *src)
Static Public Methods
vtkCellLinks *	New ()
int	IsTypeOf (const char *type)
vtkCellLinks *	SafeDownCast (vtkObject *o)
Protected Methods
	vtkCellLinks ()
	~vtkCellLinks ()
	vtkCellLinks (const vtkCellLinks &)
void	operator= (const vtkCellLinks &)
void	IncrementLinkCount (int ptId)
void	AllocateLinks (int n)
void	InsertCellReference (int ptId, unsigned short pos, int cellId)
_vtkLink_s *	Resize (int sz)
Protected Attributes
_vtkLink_s *	Array
int	Size
int	MaxId
int	Extend

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Detailed Description

object represents upward pointers from points to list of cells using each point.

Date:

2000/12/10 20:08:07

Revision:

1.18

vtkCellLinks is a supplemental object to vtkCellArray and vtkCellTypes, enabling access from points to the cells using the points. vtkCellLinks is a list of Links, each link represents a dynamic list of cell id's using the point. The information provided by this object can be used to determine neighbors and construct other local topological information.

See also:

vtkCellArray vtkCellTypes

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Member Function Documentation

void vtkCellLinks::AddCellReference (  int    cellId, int    ptId )  [inline]

Add the reference to the cell (cellId) from the point (ptId). This adds a reference to the cellId from the cell list, but does not resize the list (extend memory with ResizeCellList(), if necessary).

void vtkCellLinks::Allocate (  int    numLinks, int    ext = 1000 )

Allocate the specified number of links (i.e., number of points) that will be built.

void vtkCellLinks::BuildLinks (  vtkDataSet *    data, vtkCellArray *    Connectivity )

Build the link list array.

void vtkCellLinks::BuildLinks (  vtkDataSet *    data )

Build the link list array.

void vtkCellLinks::DeepCopy (  vtkCellLinks *    src )

Standard DeepCopy method. Since this object contains no reference to other objects, there is no ShallowCopy.

void vtkCellLinks::DeletePoint (  int    ptId )  [inline]

Delete point (and storage) by destroying links to using cells.

unsigned long vtkCellLinks::GetActualMemorySize (    )

Return the memory in kilobytes consumed by this cell links array. Used to support streaming and reading/writing data. The value returned is guaranteed to be greater than or equal to the memory required to actually represent the data represented by this object. The information returned is valid only after the pipeline has been updated.

int* vtkCellLinks::GetCells (  int    ptId )  [inline]

Return a list of cell ids using the point.

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

Return the class name as a string. This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkObject.

_vtkLink_s& vtkCellLinks::GetLink (  int    ptId )  [inline]

Get a link structure given a point id.

unsigned short vtkCellLinks::GetNcells (  int    ptId )  [inline]

Get the number of cells using the point specified by ptId.

void vtkCellLinks::IncrementLinkCount (  int    ptId )  [inline, protected]

Increment the count of the number of cells using the point.

void vtkCellLinks::InsertCellReference (  int    ptId, unsigned short    pos, int    cellId )  [inline, protected]

Insert a cell id into the list of cells using the point.

void vtkCellLinks::InsertNextCellReference (  int    ptId, int    cellId )  [inline]

Insert a cell id into the list of cells (at the end) using the cell id provided. (Make sure to extend the link list (if necessary) using the method ResizeCellList().)

int vtkCellLinks::InsertNextPoint (  int    numLinks )

Insert a new point into the cell-links data structure. The size parameter is the initial size of the list.

virtual int vtkCellLinks::IsA (  const char *    type )  [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 vtkObject.

int vtkCellLinks::IsTypeOf (  const char *    type )  [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 vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkObject.

vtkCellLinks* vtkCellLinks::New (    )  [static]

Create an object with Debug turned off, modified time initialized to zero, and reference counting on. Reimplemented from vtkObject.

void vtkCellLinks::RemoveCellReference (  int    cellId, int    ptId )  [inline]

Delete the reference to the cell (cellId) from the point (ptId). This removes the reference to the cellId from the cell list, but does not resize the list (recover memory with ResizeCellList(), if necessary).

void vtkCellLinks::Reset (    )

Reset to a state of no entries without freeing the memory.

void vtkCellLinks::ResizeCellList (  int    ptId, int    size )  [inline]

Change the length of a point's link list (i.e., list of cells using a point) by the size specified.

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

Will cast the supplied object to vtkObject* is this is a safe operation (i.e., a safe downcast); otherwise NULL is returned. This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkObject.

void vtkCellLinks::Squeeze (    )

Reclaim any unused memory.

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

• vtkCellLinks.h

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