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vtkButterflySubdivisionFilter Class Reference

generate a subdivision surface using the Butterfly Scheme More...

#include <vtkButterflySubdivisionFilter.h>

Inheritance diagram for vtkButterflySubdivisionFilter:
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Collaboration diagram for vtkButterflySubdivisionFilter:
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Protected Member Functions

 vtkButterflySubdivisionFilter ()
 ~vtkButterflySubdivisionFilter ()
- Protected Member Functions inherited from vtkInterpolatingSubdivisionFilter
 vtkInterpolatingSubdivisionFilter ()
 ~vtkInterpolatingSubdivisionFilter ()
int RequestData (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
virtual void GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD)=0
void GenerateSubdivisionCells (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkCellArray *outputPolys, vtkCellData *outputCD)
int FindEdge (vtkPolyData *mesh, vtkIdType cellId, vtkIdType p1, vtkIdType p2, vtkIntArray *edgeData, vtkIdList *cellIds)
vtkIdType InterpolatePosition (vtkPoints *inputPts, vtkPoints *outputPts, vtkIdList *stencil, double *weights)
- Protected Member Functions inherited from vtkPolyDataAlgorithm
 vtkPolyDataAlgorithm ()
 ~vtkPolyDataAlgorithm ()
virtual int RequestInformation (vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
virtual int FillOutputPortInformation (int port, vtkInformation *info)
virtual int FillInputPortInformation (int port, vtkInformation *info)
virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
virtual void ExecuteData (vtkDataObject *output)
virtual void Execute ()
- 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 vtkExecutiveCreateDefaultExecutive ()
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)
vtkDataArrayGetInputArrayToProcess (int idx, vtkInformationVector **inputVector)
vtkDataArrayGetInputArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)
vtkDataArrayGetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
vtkDataArrayGetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
vtkDataArrayGetInputArrayToProcess (int idx, vtkDataObject *input)
vtkDataArrayGetInputArrayToProcess (int idx, vtkDataObject *input, int &association)
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector)
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, vtkDataObject *input)
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, vtkDataObject *input, int &association)
vtkInformationGetInputArrayFieldInformation (int idx, vtkInformationVector **inputVector)
virtual void SetNthInputConnection (int port, int index, vtkAlgorithmOutput *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 &os)
 vtkObjectBase (const vtkObjectBase &)
void operator= (const vtkObjectBase &)
typedef
vtkInterpolatingSubdivisionFilter 
Superclass
static
vtkButterflySubdivisionFilter
New ()
static int IsTypeOf (const char *type)
static
vtkButterflySubdivisionFilter
SafeDownCast (vtkObject *o)
virtual const char * GetClassName ()
virtual int IsA (const char *type)

Additional Inherited Members

- Public Types inherited from vtkInterpolatingSubdivisionFilter
typedef vtkPolyDataAlgorithm Superclass
- Public Member Functions inherited from vtkInterpolatingSubdivisionFilter
void PrintSelf (ostream &os, vtkIndent indent)
virtual void SetNumberOfSubdivisions (int)
virtual int GetNumberOfSubdivisions ()
- Static Public Member Functions inherited from vtkAlgorithm
static void SetDefaultExecutivePrototype (vtkExecutive *proto)
static vtkInformationIntegerKeyINPUT_IS_OPTIONAL ()
static vtkInformationIntegerKeyINPUT_IS_REPEATABLE ()
static
vtkInformationInformationVectorKey
INPUT_REQUIRED_FIELDS ()
static
vtkInformationStringVectorKey
INPUT_REQUIRED_DATA_TYPE ()
static
vtkInformationInformationVectorKey
INPUT_ARRAYS_TO_PROCESS ()
static vtkInformationIntegerKeyINPUT_PORT ()
static vtkInformationIntegerKeyINPUT_CONNECTION ()
static vtkInformationIntegerKeyPRESERVES_DATASET ()
static vtkInformationIntegerKeyPRESERVES_GEOMETRY ()
static vtkInformationIntegerKeyPRESERVES_BOUNDS ()
static vtkInformationIntegerKeyPRESERVES_TOPOLOGY ()
static vtkInformationIntegerKeyPRESERVES_ATTRIBUTES ()
static vtkInformationIntegerKeyPRESERVES_RANGES ()
- Public Attributes inherited from vtkAlgorithm
int AbortExecute
- Static Protected Member Functions inherited from vtkAlgorithm
static vtkInformationIntegerKeyPORT_REQUIREMENTS_FILLED ()
- Protected Attributes inherited from vtkInterpolatingSubdivisionFilter
int NumberOfSubdivisions
- Static Protected Attributes inherited from vtkAlgorithm
static vtkExecutiveDefaultExecutivePrototype
- Friends inherited from vtkObject

Detailed Description

generate a subdivision surface using the Butterfly Scheme

vtkButterflySubdivisionFilter is an interpolating subdivision scheme that creates four new triangles for each triangle in the mesh. The user can specify the NumberOfSubdivisions. This filter implements the 8-point butterfly scheme described in: Zorin, D., Schroder, P., and Sweldens, W., "Interpolating Subdivisions for Meshes with Arbitrary Topology," Computer Graphics Proceedings, Annual Conference Series, 1996, ACM SIGGRAPH, pp.189-192. This scheme improves previous butterfly subdivisions with special treatment of vertices with valence other than 6.

Currently, the filter only operates on triangles. Users should use the vtkTriangleFilter to triangulate meshes that contain polygons or triangle strips.

The filter interpolates point data using the same scheme. New triangles created at a subdivision step will have the cell data of their parent cell.

Thanks:
This work was supported by PHS Research Grant No. 1 P41 RR13218-01 from the National Center for Research Resources.
See Also
vtkInterpolatingSubdivisionFilter vtkLinearSubdivisionFilter
Tests:
vtkButterflySubdivisionFilter (Tests)

Definition at line 56 of file vtkButterflySubdivisionFilter.h.

Member Typedef Documentation

Construct object with NumberOfSubdivisions set to 1.

Definition at line 62 of file vtkButterflySubdivisionFilter.h.

Constructor & Destructor Documentation

vtkButterflySubdivisionFilter::vtkButterflySubdivisionFilter ( )
inlineprotected

Definition at line 66 of file vtkButterflySubdivisionFilter.h.

vtkButterflySubdivisionFilter::~vtkButterflySubdivisionFilter ( )
inlineprotected

Definition at line 67 of file vtkButterflySubdivisionFilter.h.

Member Function Documentation

static vtkButterflySubdivisionFilter* vtkButterflySubdivisionFilter::New ( )
static

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkPolyDataAlgorithm.

virtual const char* vtkButterflySubdivisionFilter::GetClassName ( )
virtual

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkInterpolatingSubdivisionFilter.

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

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkInterpolatingSubdivisionFilter.

virtual int vtkButterflySubdivisionFilter::IsA ( const char *  type)
virtual

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkInterpolatingSubdivisionFilter.

static vtkButterflySubdivisionFilter* vtkButterflySubdivisionFilter::SafeDownCast ( vtkObject o)
static

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkInterpolatingSubdivisionFilter.


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