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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 *)
 
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)
 
typedef
vtkInterpolatingSubdivisionFilter 
Superclass
 
static
vtkButterflySubdivisionFilter
New ()
 
static int IsTypeOf (const char *type)
 
static
vtkButterflySubdivisionFilter
SafeDownCast (vtkObjectBase *o)
 
virtual int IsA (const char *type)
 
vtkButterflySubdivisionFilterNewInstance () const
 
virtual vtkObjectBase * NewInstanceInternal () const
 

Additional Inherited Members

- Public Types inherited from vtkInterpolatingSubdivisionFilter
typedef vtkPolyDataAlgorithm Superclass
 
- Public Member Functions inherited from vtkInterpolatingSubdivisionFilter
vtkInterpolatingSubdivisionFilterNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
virtual void SetNumberOfSubdivisions (int)
 
virtual int GetNumberOfSubdivisions ()
 
- Static Public Member Functions inherited from vtkInterpolatingSubdivisionFilter
static int IsTypeOf (const char *type)
 
static
vtkInterpolatingSubdivisionFilter
SafeDownCast (vtkObjectBase *o)
 
- Protected Attributes inherited from vtkInterpolatingSubdivisionFilter
int NumberOfSubdivisions
 

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 57 of file vtkButterflySubdivisionFilter.h.

Member Typedef Documentation

Construct object with NumberOfSubdivisions set to 1.

Definition at line 63 of file vtkButterflySubdivisionFilter.h.

Constructor & Destructor Documentation

vtkButterflySubdivisionFilter::vtkButterflySubdivisionFilter ( )
inlineprotected

Definition at line 67 of file vtkButterflySubdivisionFilter.h.

vtkButterflySubdivisionFilter::~vtkButterflySubdivisionFilter ( )
inlineprotected

Definition at line 68 of file vtkButterflySubdivisionFilter.h.

Member Function Documentation

static vtkButterflySubdivisionFilter* vtkButterflySubdivisionFilter::New ( )
static

Construct object with NumberOfSubdivisions set to 1.

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

Construct object with NumberOfSubdivisions set to 1.

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

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkInterpolatingSubdivisionFilter.

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

Construct object with NumberOfSubdivisions set to 1.

virtual vtkObjectBase* vtkButterflySubdivisionFilter::NewInstanceInternal ( ) const
protectedvirtual

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkInterpolatingSubdivisionFilter.

vtkButterflySubdivisionFilter* vtkButterflySubdivisionFilter::NewInstance ( ) const

Construct object with NumberOfSubdivisions set to 1.


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