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Protected Member Functions | List of all members
vtkLoopSubdivisionFilter Class Reference

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

#include <vtkLoopSubdivisionFilter.h>

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

 vtkLoopSubdivisionFilter ()
 
 ~vtkLoopSubdivisionFilter ()
 
virtual int RequestData (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
 
void GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD)
 
void GenerateEvenStencil (vtkIdType p1, vtkPolyData *polys, vtkIdList *stencilIds, double *weights)
 
void GenerateOddStencil (vtkIdType p1, vtkIdType p2, vtkPolyData *polys, vtkIdList *stencilIds, double *weights)
 
virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
 
- Protected Member Functions inherited from vtkApproximatingSubdivisionFilter
 vtkApproximatingSubdivisionFilter ()
 
 ~vtkApproximatingSubdivisionFilter ()
 
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 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 vtkApproximatingSubdivisionFilter Superclass
 
static vtkLoopSubdivisionFilterNew ()
 
static int IsTypeOf (const char *type)
 
static vtkLoopSubdivisionFilterSafeDownCast (vtkObject *o)
 
virtual const char * GetClassName ()
 
virtual int IsA (const char *type)
 

Additional Inherited Members

- Public Types inherited from vtkApproximatingSubdivisionFilter
typedef vtkPolyDataAlgorithm Superclass
 
- Public Types inherited from vtkPolyDataAlgorithm
typedef vtkAlgorithm Superclass
 
- Public Types inherited from vtkAlgorithm
typedef vtkObject Superclass
 
- Public Types inherited from vtkObject
typedef vtkObjectBase Superclass
 
- Public Member Functions inherited from vtkApproximatingSubdivisionFilter
void PrintSelf (ostream &os, vtkIndent indent)
 
virtual void SetNumberOfSubdivisions (int)
 
virtual int GetNumberOfSubdivisions ()
 
- Public Member Functions inherited from vtkPolyDataAlgorithm
vtkDataObjectGetInput ()
 
vtkDataObjectGetInput (int port)
 
vtkPolyDataGetPolyDataInput (int port)
 
vtkPolyDataGetOutput ()
 
vtkPolyDataGetOutput (int)
 
virtual void SetOutput (vtkDataObject *d)
 
virtual int ProcessRequest (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
 
void SetInput (vtkDataObject *)
 
void SetInput (int, vtkDataObject *)
 
void AddInput (vtkDataObject *)
 
void AddInput (int, vtkDataObject *)
 
- Public Member Functions inherited from vtkAlgorithm
int HasExecutive ()
 
vtkExecutiveGetExecutive ()
 
virtual void SetExecutive (vtkExecutive *executive)
 
virtual int ModifyRequest (vtkInformation *request, int when)
 
vtkInformationGetInputPortInformation (int port)
 
vtkInformationGetOutputPortInformation (int port)
 
int GetNumberOfInputPorts ()
 
int GetNumberOfOutputPorts ()
 
void UpdateProgress (double amount)
 
vtkInformationGetInputArrayInformation (int idx)
 
void RemoveAllInputs ()
 
vtkDataObjectGetOutputDataObject (int port)
 
virtual void RemoveInputConnection (int port, vtkAlgorithmOutput *input)
 
int GetNumberOfInputConnections (int port)
 
int GetTotalNumberOfInputConnections ()
 
vtkAlgorithmOutputGetInputConnection (int port, int index)
 
virtual void Update ()
 
virtual void UpdateInformation ()
 
virtual void UpdateWholeExtent ()
 
void ConvertTotalInputToPortConnection (int ind, int &port, int &conn)
 
virtual double ComputePriority ()
 
int ProcessRequest (vtkInformation *request, vtkCollection *inInfo, vtkInformationVector *outInfo)
 
virtual int ComputePipelineMTime (vtkInformation *request, vtkInformationVector **inInfoVec, vtkInformationVector *outInfoVec, int requestFromOutputPort, unsigned long *mtime)
 
virtual vtkInformationGetInformation ()
 
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)
 
vtkDataObjectGetInputDataObject (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)
 
vtkAlgorithmOutputGetOutputPort (int index)
 
vtkAlgorithmOutputGetOutputPort ()
 
virtual void SetReleaseDataFlag (int)
 
virtual int GetReleaseDataFlag ()
 
void ReleaseDataFlagOn ()
 
void ReleaseDataFlagOff ()
 
int UpdateExtentIsEmpty (vtkDataObject *output)
 
int UpdateExtentIsEmpty (vtkInformation *pinfo, int extentType)
 
- Public Member Functions inherited from vtkObject
virtual void DebugOn ()
 
virtual void DebugOff ()
 
unsigned char GetDebug ()
 
void SetDebug (unsigned char 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)
 
vtkCommandGetCommand (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)
 
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 &os)
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 
int GetReferenceCount ()
 
- Static Public Member Functions inherited from vtkApproximatingSubdivisionFilter
static int IsTypeOf (const char *type)
 
static vtkApproximatingSubdivisionFilterSafeDownCast (vtkObject *o)
 
- Static Public Member Functions inherited from vtkPolyDataAlgorithm
static vtkPolyDataAlgorithmNew ()
 
static int IsTypeOf (const char *type)
 
static vtkPolyDataAlgorithmSafeDownCast (vtkObject *o)
 
- Static Public Member Functions inherited from vtkAlgorithm
static vtkAlgorithmNew ()
 
static int IsTypeOf (const char *type)
 
static vtkAlgorithmSafeDownCast (vtkObject *o)
 
static void SetDefaultExecutivePrototype (vtkExecutive *proto)
 
static vtkInformationIntegerKeyINPUT_IS_OPTIONAL ()
 
static vtkInformationIntegerKeyINPUT_IS_REPEATABLE ()
 
static vtkInformationInformationVectorKeyINPUT_REQUIRED_FIELDS ()
 
static vtkInformationStringVectorKeyINPUT_REQUIRED_DATA_TYPE ()
 
static vtkInformationInformationVectorKeyINPUT_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 ()
 
- Static Public Member Functions inherited from vtkObject
static int IsTypeOf (const char *type)
 
static vtkObjectSafeDownCast (vtkObject *o)
 
static vtkObjectNew ()
 
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 vtkObjectBaseNew ()
 
- Public Attributes inherited from vtkAlgorithm
int AbortExecute
 
- Static Protected Member Functions inherited from vtkAlgorithm
static vtkInformationIntegerKeyPORT_REQUIREMENTS_FILLED ()
 
- Protected Attributes inherited from vtkApproximatingSubdivisionFilter
int NumberOfSubdivisions
 
- Protected Attributes inherited from vtkAlgorithm
vtkInformationInformation
 
double Progress
 
char * ProgressText
 
unsigned long ErrorCode
 
- Protected Attributes inherited from vtkObject
unsigned char Debug
 
vtkTimeStamp MTime
 
vtkSubjectHelper * SubjectHelper
 
- Protected Attributes inherited from vtkObjectBase
int ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 
- Static Protected Attributes inherited from vtkAlgorithm
static vtkExecutiveDefaultExecutivePrototype
 

Detailed Description

generate a subdivision surface using the Loop Scheme

vtkLoopSubdivisionFilter is an approximating subdivision scheme that creates four new triangles for each triangle in the mesh. The user can specify the NumberOfSubdivisions. Loop's subdivision scheme is described in: Loop, C., "Smooth Subdivision surfaces based on triangles,", Masters Thesis, University of Utah, August 1987. For a nice summary of the technique see, Hoppe, H., et. al, "Piecewise Smooth Surface Reconstruction,:, Proceedings of Siggraph 94 (Orlando, Florida, July 24-29, 1994). In COmputer Graphics Proceedings, Annual COnference Series, 1994, ACM SIGGRAPH, pp. 295-302.

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

The filter approximates point data using the same scheme. New triangles create 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
vtkApproximatingSubdivisionFilter
Tests:
vtkLoopSubdivisionFilter (Tests)

Definition at line 58 of file vtkLoopSubdivisionFilter.h.

Member Typedef Documentation

Construct object with NumberOfSubdivisions set to 1.

Definition at line 64 of file vtkLoopSubdivisionFilter.h.

Constructor & Destructor Documentation

vtkLoopSubdivisionFilter::vtkLoopSubdivisionFilter ( )
inlineprotected

Definition at line 68 of file vtkLoopSubdivisionFilter.h.

vtkLoopSubdivisionFilter::~vtkLoopSubdivisionFilter ( )
inlineprotected

Definition at line 69 of file vtkLoopSubdivisionFilter.h.

Member Function Documentation

static vtkLoopSubdivisionFilter* vtkLoopSubdivisionFilter::New ( )
static

Construct object with NumberOfSubdivisions set to 1.

virtual const char* vtkLoopSubdivisionFilter::GetClassName ( )
virtual

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkApproximatingSubdivisionFilter.

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

Construct object with NumberOfSubdivisions set to 1.

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

Construct object with NumberOfSubdivisions set to 1.

Reimplemented from vtkApproximatingSubdivisionFilter.

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

Construct object with NumberOfSubdivisions set to 1.

virtual int vtkLoopSubdivisionFilter::RequestData ( vtkInformation request,
vtkInformationVector **  inputVector,
vtkInformationVector outputVector 
)
protectedvirtual

This is called by the superclass. This is the method you should override.

Reimplemented from vtkApproximatingSubdivisionFilter.

void vtkLoopSubdivisionFilter::GenerateSubdivisionPoints ( vtkPolyData inputDS,
vtkIntArray edgeData,
vtkPoints outputPts,
vtkPointData outputPD 
)
protectedvirtual
void vtkLoopSubdivisionFilter::GenerateEvenStencil ( vtkIdType  p1,
vtkPolyData polys,
vtkIdList stencilIds,
double *  weights 
)
protected
void vtkLoopSubdivisionFilter::GenerateOddStencil ( vtkIdType  p1,
vtkIdType  p2,
vtkPolyData polys,
vtkIdList stencilIds,
double *  weights 
)
protected
virtual int vtkLoopSubdivisionFilter::RequestUpdateExtent ( vtkInformation ,
vtkInformationVector **  ,
vtkInformationVector  
)
protectedvirtual

This is called by the superclass. This is the method you should override.

Reimplemented from vtkPolyDataAlgorithm.


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