VTK: vtkPCANormalEstimation Class Reference

| VTK 9.3.1

Public Types | Protected Member Functions | Protected Attributes | List of all members
vtkPCANormalEstimation Class Reference

generate point normals using local tangent planes More...

`#include <vtkPCANormalEstimation.h>`

Inheritance diagram for vtkPCANormalEstimation:
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Collaboration diagram for vtkPCANormalEstimation:
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## Public Types
enum | NeighborSearchMode { KNN = 0 , RADIUS = 1 }
| This enum is used to control how the closest neighbor is calculated. More...
enum | Style { AS_COMPUTED = 0 , POINT = 1 , GRAPH_TRAVERSAL = 3 }
| This enum is used to control how normals oriented is controlled. More...
Public Types inherited from vtkPolyDataAlgorithm
typedef vtkAlgorithm | Superclass
Public Types inherited from vtkAlgorithm
enum | DesiredOutputPrecision { SINGLE_PRECISION , DOUBLE_PRECISION , DEFAULT_PRECISION }
| Values used for setting the desired output precision for various algorithms. More...
typedef vtkObject | Superclass

## Public Member Functions
virtual void | SetSearchMode (int)
| Configure how the filter selects the neighbor points used to calculate the PCA. More...
virtual int | GetSearchMode ()
| Configure how the filter selects the neighbor points used to calculate the PCA. More...
void | SetSearchModeToKNN ()
| Configure how the filter selects the neighbor points used to calculate the PCA. More...
void | SetSearchModeToRadius ()
| Configure how the filter selects the neighbor points used to calculate the PCA. More...
virtual void | SetSampleSize (int)
| For each sampled point, specify the number of the closest, surrounding points used to estimate the normal (the so called k-neighborhood). More...
virtual int | GetSampleSize ()
| For each sampled point, specify the number of the closest, surrounding points used to estimate the normal (the so called k-neighborhood). More...
virtual void | SetRadius (double)
| For each sampled point, specify the radius within which the surrounding points used to estimate the normal are selected. More...
virtual double | GetRadius ()
| For each sampled point, specify the radius within which the surrounding points used to estimate the normal are selected. More...
virtual void | SetNormalOrientation (int)
| Configure how the filter addresses consistency in normal oreientation. More...
virtual int | GetNormalOrientation ()
| Configure how the filter addresses consistency in normal oreientation. More...
void | SetNormalOrientationToAsComputed ()
| Configure how the filter addresses consistency in normal oreientation. More...
void | SetNormalOrientationToPoint ()
| Configure how the filter addresses consistency in normal oreientation. More...
void | SetNormalOrientationToGraphTraversal ()
| Configure how the filter addresses consistency in normal oreientation. More...
virtual void | SetOrientationPoint (double, double, double)
| If the normal orientation is to be consistent with a specified direction, then an orientation point should be set. More...
virtual void | SetOrientationPoint (double[3])
| If the normal orientation is to be consistent with a specified direction, then an orientation point should be set. More...
virtual double * | GetOrientationPoint ()
| If the normal orientation is to be consistent with a specified direction, then an orientation point should be set. More...
virtual void | GetOrientationPoint (double data[3])
| If the normal orientation is to be consistent with a specified direction, then an orientation point should be set. More...
virtual void | SetFlipNormals (bool)
| The normal orientation can be flipped by enabling this flag. More...
virtual bool | GetFlipNormals ()
| The normal orientation can be flipped by enabling this flag. More...
virtual void | FlipNormalsOn ()
| The normal orientation can be flipped by enabling this flag. More...
virtual void | FlipNormalsOff ()
| The normal orientation can be flipped by enabling this flag. More...
void | SetLocator (vtkAbstractPointLocator *locator)
| Specify a point locator. More...
virtual vtkAbstractPointLocator * | GetLocator ()
| Specify a point locator. More...
Public Member Functions inherited from vtkPolyDataAlgorithm
vtkPolyDataAlgorithm * | NewInstance () const
vtkTypeBool | ProcessRequest (vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
| see vtkAlgorithm for details More...
vtkDataObject * | GetInput ()
vtkDataObject * | GetInput (int port)
vtkPolyData * | GetPolyDataInput (int port)
vtkPolyData * | GetOutput ()
| Get the output data object for a port on this algorithm. More...
vtkPolyData * | GetOutput (int)
| Get the output data object for a port on this algorithm. More...
virtual void | SetOutput (vtkDataObject *d)
| Get the output data object for a port on this algorithm. More...
void | SetInputData (vtkDataObject *)
| Assign a data object as input. More...
void | SetInputData (int, vtkDataObject *)
| Assign a data object as input. More...
void | AddInputData (vtkDataObject *)
| Assign a data object as input. More...
void | AddInputData (int, vtkDataObject *)
| Assign a data object as input. More...
Public Member Functions inherited from vtkAlgorithm
vtkAlgorithm * | NewInstance () const
vtkTypeBool | HasExecutive ()
| Check whether this algorithm has an assigned executive. More...
vtkExecutive * | GetExecutive ()
| Get this algorithm's executive. More...
virtual void | SetExecutive (vtkExecutive *executive)
| Set this algorithm's executive. More...
vtkTypeBool | ProcessRequest (vtkInformation *request, vtkCollection *inInfo, vtkInformationVector *outInfo)
| Version of ProcessRequest() that is wrapped. More...
virtual int | ComputePipelineMTime (vtkInformation *request, vtkInformationVector **inInfoVec, vtkInformationVector *outInfoVec, int requestFromOutputPort, vtkMTimeType *mtime)
| A special version of ProcessRequest meant specifically for the pipeline modified time request. More...
virtual int | ModifyRequest (vtkInformation *request, int when)
| This method gives the algorithm a chance to modify the contents of a request before or after (specified in the when argument) it is forwarded. More...
vtkInformation * | GetInputPortInformation (int port)
| Get the information object associated with an input port. More...
vtkInformation * | GetOutputPortInformation (int port)
| Get the information object associated with an output port. More...
int | GetNumberOfInputPorts ()
| Get the number of input ports used by the algorithm. More...
int | GetNumberOfOutputPorts ()
| Get the number of output ports provided by the algorithm. More...
void | SetAbortExecuteAndUpdateTime ()
| Set AbortExecute Flag and update LastAbortTime. More...
void | UpdateProgress (double amount)
| Update the progress of the process object. More...
bool | CheckAbort ()
| Checks to see if this filter should abort. More...
virtual void | SetInputArrayToProcess (int idx, int port, int connection, const char *fieldAssociation, const char *attributeTypeorName)
| String based versions of SetInputArrayToProcess(). More...
vtkInformation * | GetInputArrayInformation (int idx)
| Get the info object for the specified input array to this algorithm. More...
void | RemoveAllInputs ()
| Remove all the input data. More...
vtkDataObject * | GetOutputDataObject (int port)
| Get the data object that will contain the algorithm output for the given port. More...
vtkDataObject * | GetInputDataObject (int port, int connection)
| Get the data object that will contain the algorithm input for the given port and given connection. More...
virtual void | RemoveInputConnection (int port, vtkAlgorithmOutput *input)
| Remove a connection from the given input port index. More...
virtual void | RemoveInputConnection (int port, int idx)
| Remove a connection given by index idx. More...
virtual void | RemoveAllInputConnections (int port)
| Removes all input connections. More...
virtual void | SetInputDataObject (int port, vtkDataObject *data)
| Sets the data-object as an input on the given port index. More...
virtual void | SetInputDataObject (vtkDataObject *data)
virtual void | AddInputDataObject (int port, vtkDataObject *data)
| Add the data-object as an input to this given port. More...
virtual void | AddInputDataObject (vtkDataObject *data)
vtkAlgorithmOutput * | GetOutputPort (int index)
| Get a proxy object corresponding to the given output port of this algorithm. More...
vtkAlgorithmOutput * | GetOutputPort ()
int | GetNumberOfInputConnections (int port)
| Get the number of inputs currently connected to a port. More...
int | GetTotalNumberOfInputConnections ()
| Get the total number of inputs for this algorithm. More...
vtkAlgorithmOutput * | GetInputConnection (int port, int index)
| Get the algorithm output port connected to an input port. More...
vtkAlgorithm * | GetInputAlgorithm (int port, int index, int &algPort)
| Returns the algorithm and the output port index of that algorithm connected to a port-index pair. More...
vtkAlgorithm * | GetInputAlgorithm (int port, int index)
| Returns the algorithm connected to a port-index pair. More...
vtkAlgorithm * | GetInputAlgorithm ()
| Equivalent to GetInputAlgorithm(0, 0). More...
vtkExecutive * | GetInputExecutive (int port, int index)
| Returns the executive associated with a particular input connection. More...
vtkExecutive * | GetInputExecutive ()
| Equivalent to GetInputExecutive(0, 0) More...
vtkInformation * | GetInputInformation (int port, int index)
| Return the information object that is associated with a particular input connection. More...
vtkInformation * | GetInputInformation ()
| Equivalent to GetInputInformation(0, 0) More...
vtkInformation * | GetOutputInformation (int port)
| Return the information object that is associated with a particular output port. More...
virtual vtkTypeBool | Update (int port, vtkInformationVector *requests)
| This method enables the passing of data requests to the algorithm to be used during execution (in addition to bringing a particular port up-to-date). More...
virtual vtkTypeBool | Update (vtkInformation *requests)
| Convenience method to update an algorithm after passing requests to its first output port. More...
virtual int | UpdatePiece (int piece, int numPieces, int ghostLevels, const int extents[6]=nullptr)
| Convenience method to update an algorithm after passing requests to its first output port. More...
virtual int | UpdateExtent (const int extents[6])
| Convenience method to update an algorithm after passing requests to its first output port. More...
virtual int | UpdateTimeStep (double time, int piece=-1, int numPieces=1, int ghostLevels=0, const int extents[6]=nullptr)
| Convenience method to update an algorithm after passing requests to its first output port. More...
virtual void | UpdateInformation ()
| Bring the algorithm's information up-to-date. More...
virtual void | UpdateDataObject ()
| Create output object(s). More...
virtual void | PropagateUpdateExtent ()
| Propagate meta-data upstream. More...
virtual void | UpdateWholeExtent ()
| Bring this algorithm's outputs up-to-date. More...
void | ConvertTotalInputToPortConnection (int ind, int &port, int &conn)
| Convenience routine to convert from a linear ordering of input connections to a port/connection pair. More...
virtual vtkInformation * | GetInformation ()
| Set/Get the information object associated with this algorithm. More...
virtual void | SetInformation (vtkInformation *)
| Set/Get the information object associated with this algorithm. More...
bool | UsesGarbageCollector () const override
| Participate in garbage collection. More...
virtual void | SetAbortExecute (vtkTypeBool)
| Set/Get the AbortExecute flag for the process object. More...
virtual vtkTypeBool | GetAbortExecute ()
| Set/Get the AbortExecute flag for the process object. More...
virtual void | AbortExecuteOn ()
| Set/Get the AbortExecute flag for the process object. More...
virtual void | AbortExecuteOff ()
| Set/Get the AbortExecute flag for the process object. More...
virtual double | GetProgress ()
| Get the execution progress of a process object. More...
void | SetContainerAlgorithm (vtkAlgorithm *containerAlg)
| Set/get a Container algorithm for this algorithm. More...
vtkAlgorithm * | GetContainerAlgorithm ()
| Set/get a Container algorithm for this algorithm. More...
virtual void | SetAbortOutput (bool)
| Set/Get an internal variable used to communicate between the algorithm and executive. More...
virtual bool | GetAbortOutput ()
| Set/Get an internal variable used to communicate between the algorithm and executive. More...
void | SetProgressShiftScale (double shift, double scale)
| Specify the shift and scale values to use to apply to the progress amount when `UpdateProgress` is called. More...
virtual double | GetProgressShift ()
| Specify the shift and scale values to use to apply to the progress amount when `UpdateProgress` is called. More...
virtual double | GetProgressScale ()
| Specify the shift and scale values to use to apply to the progress amount when `UpdateProgress` is called. More...
void | SetProgressText (const char *ptext)
| Set the current text message associated with the progress state. More...
virtual char * | GetProgressText ()
| Set the current text message associated with the progress state. More...
virtual unsigned long | GetErrorCode ()
| The error code contains a possible error that occurred while reading or writing the file. More...
virtual void | SetInputArrayToProcess (int idx, int port, int connection, int fieldAssociation, const char *name)
| Set the input data arrays that this algorithm will process. More...
virtual void | SetInputArrayToProcess (int idx, int port, int connection, int fieldAssociation, int fieldAttributeType)
| Set the input data arrays that this algorithm will process. More...
virtual void | SetInputArrayToProcess (int idx, vtkInformation *info)
| Set the input data arrays that this algorithm will process. More...
virtual void | SetInputConnection (int port, vtkAlgorithmOutput *input)
| Set the connection for the given input port index. More...
virtual void | SetInputConnection (vtkAlgorithmOutput *input)
| Set the connection for the given input port index. More...
virtual void | AddInputConnection (int port, vtkAlgorithmOutput *input)
| Add a connection to the given input port index. More...
virtual void | AddInputConnection (vtkAlgorithmOutput *input)
| Add a connection to the given input port index. More...
virtual void | Update (int port)
| Bring this algorithm's outputs up-to-date. More...
virtual void | Update ()
| Bring this algorithm's outputs up-to-date. More...
virtual void | SetReleaseDataFlag (vtkTypeBool)
| Turn release data flag on or off for all output ports. More...
virtual vtkTypeBool | GetReleaseDataFlag ()
| Turn release data flag on or off for all output ports. More...
void | ReleaseDataFlagOn ()
| Turn release data flag on or off for all output ports. More...
void | ReleaseDataFlagOff ()
| Turn release data flag on or off for all output ports. More...
int | UpdateExtentIsEmpty (vtkInformation *pinfo, vtkDataObject *output)
| This detects when the UpdateExtent will generate no data This condition is satisfied when the UpdateExtent has zero volume (0,-1,...) or the UpdateNumberOfPieces is 0. More...
int | UpdateExtentIsEmpty (vtkInformation *pinfo, int extentType)
| This detects when the UpdateExtent will generate no data This condition is satisfied when the UpdateExtent has zero volume (0,-1,...) or the UpdateNumberOfPieces is 0. More...
int * | GetUpdateExtent ()
| These functions return the update extent for output ports that use 3D extents. More...
int * | GetUpdateExtent (int port)
| These functions return the update extent for output ports that use 3D extents. More...
void | GetUpdateExtent (int &x0, int &x1, int &y0, int &y1, int &z0, int &z1)
| These functions return the update extent for output ports that use 3D extents. More...
void | GetUpdateExtent (int port, int &x0, int &x1, int &y0, int &y1, int &z0, int &z1)
| These functions return the update extent for output ports that use 3D extents. More...
void | GetUpdateExtent (int extent[6])
| These functions return the update extent for output ports that use 3D extents. More...
void | GetUpdateExtent (int port, int extent[6])
| These functions return the update extent for output ports that use 3D extents. More...
int | GetUpdatePiece ()
| These functions return the update extent for output ports that use piece extents. More...
int | GetUpdatePiece (int port)
| These functions return the update extent for output ports that use piece extents. More...
int | GetUpdateNumberOfPieces ()
| These functions return the update extent for output ports that use piece extents. More...
int | GetUpdateNumberOfPieces (int port)
| These functions return the update extent for output ports that use piece extents. More...
int | GetUpdateGhostLevel ()
| These functions return the update extent for output ports that use piece extents. More...
int | GetUpdateGhostLevel (int port)
| These functions return the update extent for output ports that use piece extents. More...
void | SetProgressObserver (vtkProgressObserver *)
| If an ProgressObserver is set, the algorithm will report progress through it rather than directly. More...
virtual vtkProgressObserver * | GetProgressObserver ()
| If an ProgressObserver is set, the algorithm will report progress through it rather than directly. More...
Public Member Functions inherited from vtkObject
| vtkBaseTypeMacro (vtkObject, vtkObjectBase)
virtual void | DebugOn ()
| Turn debugging output on. More...
virtual void | DebugOff ()
| Turn debugging output off. More...
bool | GetDebug ()
| Get the value of the debug flag. More...
void | SetDebug (bool debugFlag)
| Set the value of the debug flag. More...
virtual void | Modified ()
| Update the modification time for this object. More...
virtual vtkMTimeType | GetMTime ()
| Return this object's modified time. More...
void | RemoveObserver (unsigned long tag)
void | RemoveObservers (unsigned long event)
void | RemoveObservers (const char *event)
void | RemoveAllObservers ()
vtkTypeBool | HasObserver (unsigned long event)
vtkTypeBool | HasObserver (const char *event)
vtkTypeBool | InvokeEvent (unsigned long event)
vtkTypeBool | InvokeEvent (const char *event)
std::string | GetObjectDescription () const override
| The object description printed in messages and PrintSelf output. More...
unsigned long | AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
unsigned long | AddObserver (const char *event, vtkCommand *, float priority=0.0f)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
vtkCommand * | GetCommand (unsigned long tag)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
void | RemoveObserver (vtkCommand *)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
void | RemoveObservers (unsigned long event, vtkCommand *)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
void | RemoveObservers (const char *event, vtkCommand *)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
vtkTypeBool | HasObserver (unsigned long event, vtkCommand *)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
vtkTypeBool | HasObserver (const char *event, vtkCommand *)
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
template<class U , class T >
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...
template<class U , class T >
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...
template<class U , class T >
unsigned long | AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
| Allow user to set the AbortFlagOn() with the return value of the callback method. More...
vtkTypeBool | InvokeEvent (unsigned long event, void *callData)
| This method invokes an event and return whether the event was aborted or not. More...
vtkTypeBool | InvokeEvent (const char *event, void *callData)
| This method invokes an event and return whether the event was aborted or not. More...
virtual void | SetObjectName (const std::string &objectName)
| Set/get the name of this object for reporting purposes. More...
virtual std::string | GetObjectName () const
| Set/get the name of this object for reporting purposes. More...
Public Member Functions inherited from vtkObjectBase
const char * | GetClassName () const
| Return the class name as a string. More...
virtual vtkIdType | GetNumberOfGenerationsFromBase (const char *name)
| Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). More...
virtual void | Delete ()
| Delete a VTK object. More...
virtual void | FastDelete ()
| Delete a reference to this object. More...
void | InitializeObjectBase ()
void | Print (ostream &os)
| Print an object to an ostream. More...
virtual void | Register (vtkObjectBase *o)
| Increase the reference count (mark as used by another object). More...
virtual void | UnRegister (vtkObjectBase *o)
| Decrease the reference count (release by another object). More...
int | GetReferenceCount ()
| Return the current reference count of this object. More...
void | SetReferenceCount (int)
| Sets the reference count. More...
bool | GetIsInMemkind () const
| A local state flag that remembers whether this object lives in the normal or extended memory space. More...
virtual void | PrintHeader (ostream &os, vtkIndent indent)
| Methods invoked by print to print information about the object including superclasses. More...
virtual void | PrintTrailer (ostream &os, vtkIndent indent)
| Methods invoked by print to print information about the object including superclasses. More...

## Protected Member Functions
| vtkPCANormalEstimation ()=default
| ~vtkPCANormalEstimation () override
void | TraverseAndFlip (vtkPoints *inPts, float *normals, char *pointMap, vtkIdList *wave, vtkIdList *wave2)
int | RequestData (vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
| This is called by the superclass. More...
int | FillInputPortInformation (int port, vtkInformation *info) override
| Fill the input port information objects for this algorithm. More...
Protected Member Functions inherited from vtkPolyDataAlgorithm
| vtkPolyDataAlgorithm ()
| ~vtkPolyDataAlgorithm () override
virtual int | RequestInformation (vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
virtual int | RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
| This is called by the superclass. More...
int | FillOutputPortInformation (int port, vtkInformation *info) override
| Fill the output port information objects for this algorithm. More...
Protected Member Functions inherited from vtkAlgorithm
| vtkAlgorithm ()
| ~vtkAlgorithm () override
bool | CheckUpstreamAbort ()
| Checks to see if an upstream filter has been aborted. More...
virtual void | SetNumberOfInputPorts (int n)
| Set the number of input ports used by the algorithm. More...
virtual void | SetNumberOfOutputPorts (int n)
| Set the number of output ports provided by the algorithm. More...
int | InputPortIndexInRange (int index, const char *action)
int | OutputPortIndexInRange (int index, const char *action)
int | GetInputArrayAssociation (int idx, vtkInformationVector **inputVector)
| Get the association of the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...
vtkInformation * | GetInputArrayFieldInformation (int idx, vtkInformationVector **inputVector)
| This method takes in an index (as specified in SetInputArrayToProcess) and a pipeline information vector. More...
virtual vtkExecutive * | CreateDefaultExecutive ()
| Create a default executive. More...
void | ReportReferences (vtkGarbageCollector *) override
virtual void | SetNthInputConnection (int port, int index, vtkAlgorithmOutput *input)
| Replace the Nth connection on the given input port. More...
virtual void | SetNumberOfInputConnections (int port, int n)
| Set the number of input connections on the given input port. More...
void | SetInputDataInternal (int port, vtkDataObject *input)
| These methods are used by subclasses to implement methods to set data objects directly as input. More...
void | AddInputDataInternal (int port, vtkDataObject *input)
int | GetInputArrayAssociation (int idx, int connection, vtkInformationVector **inputVector)
| Filters that have multiple connections on one port can use this signature. More...
int | GetInputArrayAssociation (int idx, vtkDataObject *input)
| Filters that have multiple connections on one port can use this signature. More...
vtkDataArray * | GetInputArrayToProcess (int idx, vtkInformationVector **inputVector)
| Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...
vtkDataArray * | GetInputArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)
| Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...
vtkDataArray * | GetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
| Filters that have multiple connections on one port can use this signature. More...
vtkDataArray * | GetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
| Filters that have multiple connections on one port can use this signature. More...
vtkDataArray * | GetInputArrayToProcess (int idx, vtkDataObject *input)
| Filters that have multiple connections on one port can use this signature. More...
vtkDataArray * | GetInputArrayToProcess (int idx, vtkDataObject *input, int &association)
| Filters that have multiple connections on one port can use this signature. More...
vtkAbstractArray * | GetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector)
| Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...
vtkAbstractArray * | GetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)
| Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...
vtkAbstractArray * | GetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
| Filters that have multiple connections on one port can use this signature. More...
vtkAbstractArray * | GetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
| Filters that have multiple connections on one port can use this signature. More...
vtkAbstractArray * | GetInputAbstractArrayToProcess (int idx, vtkDataObject *input)
| Filters that have multiple connections on one port can use this signature. More...
vtkAbstractArray * | GetInputAbstractArrayToProcess (int idx, vtkDataObject *input, int &association)
| Filters that have multiple connections on one port can use this signature. More...
virtual void | SetErrorCode (unsigned long)
| The error code contains a possible error that occurred while reading or writing the file. More...
Protected Member Functions inherited from vtkObject
| vtkObject ()
| ~vtkObject () override
void | RegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void | UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void | InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr)
| These methods allow a command to exclusively grab all events. More...
void | InternalReleaseFocus ()
| These methods allow a command to exclusively grab all events. More...
Protected Member Functions inherited from vtkObjectBase
| vtkObjectBase ()
virtual | ~vtkObjectBase ()
| vtkObjectBase (const vtkObjectBase &)
void | operator= (const vtkObjectBase &)

## Protected Attributes
int | SampleSize = 25
double | Radius = 0.
vtkSmartPointer< vtkAbstractPointLocator > | Locator = vtkStaticPointLocator::New()
int | SearchMode = vtkPCANormalEstimation::KNN
int | NormalOrientation = vtkPCANormalEstimation::POINT
double | OrientationPoint [3] = { 0. }
bool | FlipNormals = false
Protected Attributes inherited from vtkAlgorithm
vtkTimeStamp | LastAbortCheckTime
vtkInformation * | Information
double | Progress
char * | ProgressText
vtkProgressObserver * | ProgressObserver
unsigned long | ErrorCode
| The error code contains a possible error that occurred while reading or writing the file. More...
Protected Attributes inherited from vtkObject
bool | Debug
vtkTimeStamp | MTime
vtkSubjectHelper * | SubjectHelper
std::string | ObjectName
Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t > | ReferenceCount
vtkWeakPointerBase ** | WeakPointers
typedef vtkPolyDataAlgorithm | Superclass
| Standard methods for instantiating, obtaining type information, and printing information. More...
static vtkPCANormalEstimation * | New ()
| Standard methods for instantiating, obtaining type information, and printing information. More...
static vtkTypeBool | IsTypeOf (const char *type)
| Standard methods for instantiating, obtaining type information, and printing information. More...
static vtkPCANormalEstimation * | SafeDownCast (vtkObjectBase *o)
| Standard methods for instantiating, obtaining type information, and printing information. More...
virtual vtkTypeBool | IsA (const char *type)
| Standard methods for instantiating, obtaining type information, and printing information. More...
vtkPCANormalEstimation * | NewInstance () const
| Standard methods for instantiating, obtaining type information, and printing information. More...
void | PrintSelf (ostream &os, vtkIndent indent) override
| Standard methods for instantiating, obtaining type information, and printing information. More...
virtual vtkObjectBase * | NewInstanceInternal () const
| Standard methods for instantiating, obtaining type information, and printing information. More...

## Additional Inherited Members
Static Public Member Functions inherited from vtkPolyDataAlgorithm
static vtkPolyDataAlgorithm * | New ()
static vtkTypeBool | IsTypeOf (const char *type)
static vtkPolyDataAlgorithm * | SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkAlgorithm
static vtkAlgorithm * | New ()
static vtkTypeBool | IsTypeOf (const char *type)
static vtkAlgorithm * | SafeDownCast (vtkObjectBase *o)
static vtkInformationIntegerKey * | INPUT_IS_OPTIONAL ()
| Keys used to specify input port requirements. More...
static vtkInformationIntegerKey * | INPUT_IS_REPEATABLE ()
static vtkInformationInformationVectorKey * | INPUT_REQUIRED_FIELDS ()
static vtkInformationStringVectorKey * | INPUT_REQUIRED_DATA_TYPE ()
static vtkInformationInformationVectorKey * | INPUT_ARRAYS_TO_PROCESS ()
static vtkInformationIntegerKey * | INPUT_PORT ()
static vtkInformationIntegerKey * | INPUT_CONNECTION ()
static vtkInformationIntegerKey * | CAN_PRODUCE_SUB_EXTENT ()
| This key tells the executive that a particular output port is capable of producing an arbitrary subextent of the whole extent. More...
static vtkInformationIntegerKey * | CAN_HANDLE_PIECE_REQUEST ()
| Key that tells the pipeline that a particular algorithm can or cannot handle piece request. More...
static vtkInformationIntegerKey * | ABORTED ()
static void | SetDefaultExecutivePrototype (vtkExecutive *proto)
| If the DefaultExecutivePrototype is set, a copy of it is created in CreateDefaultExecutive() using NewInstance(). More...
Static Public Member Functions inherited from vtkObject
static vtkObject * | New ()
| Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
static void | BreakOnError ()
| This method is called when vtkErrorMacro executes. More...
static void | SetGlobalWarningDisplay (vtkTypeBool val)
| This is a global flag that controls whether any debug, warning or error messages are displayed. More...
static void | GlobalWarningDisplayOn ()
| This is a global flag that controls whether any debug, warning or error messages are displayed. More...
static void | GlobalWarningDisplayOff ()
| This is a global flag that controls whether any debug, warning or error messages are displayed. More...
static vtkTypeBool | GetGlobalWarningDisplay ()
| This is a global flag that controls whether any debug, warning or error messages are displayed. More...
Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool | IsTypeOf (const char *name)
| Return 1 if this class type is the same type of (or a subclass of) the named class. More...
static vtkIdType | GetNumberOfGenerationsFromBaseType (const char *name)
| Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). More...
static vtkObjectBase * | New ()
| Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
static void | SetMemkindDirectory (const char *directoryname)
| The name of a directory, ideally mounted -o dax, to memory map an extended memory space within. More...
static bool | GetUsingMemkind ()
| A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space. More...
Public Attributes inherited from vtkAlgorithm
std::atomic< vtkTypeBool > | AbortExecute
Static Protected Member Functions inherited from vtkAlgorithm
static vtkInformationIntegerKey * | PORT_REQUIREMENTS_FILLED ()
Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction | GetCurrentMallocFunction ()
static vtkReallocingFunction | GetCurrentReallocFunction ()
static vtkFreeingFunction | GetCurrentFreeFunction ()
static vtkFreeingFunction | GetAlternateFreeFunction ()
Static Protected Attributes inherited from vtkAlgorithm
static vtkTimeStamp | LastAbortTime
static vtkExecutive * | DefaultExecutivePrototype

## Detailed Description

generate point normals using local tangent planes

vtkPCANormalEstimation generates point normals using PCA (principal component analysis). Basically this estimates a local tangent plane around each sample point p by considering a small neighborhood of points around p, and fitting a plane to the neighborhood (via PCA). A good introductory reference is Hoppe's "Surface reconstruction from unorganized points."

To use this filter, specify a neighborhood size (SampleSize) or/and a neighborhood radius (Radius). This may have to be set via experimentation. Both options can be set with SetSearchMode. If SearchMode is set to KNN, K points (set by SampleSize) are selected regardless of their location. If Radius is also set to a value different from 0, the code checks if the farthest point found (K-th) is inside this radius. In that case, the selection is performed again to return all points inside this radius, indicating that the initial SampleSize was probably too small compared to the cloud density. Otherwise, if the farthest point is outside the radius, the selection is kept unchanged. If SearchMode is set to Radius, the surrounding points are selected inside the radius. If SampleSize is also set to a value greater than 0, the code checks if at least SampleSize (K) points have been selected. Otherwise, the selection is performed again to include SampleSize (K) points, indicating that the initial Radius was probably too small to estimate the normals relative to the low density of the cloud. Default behavior is KNN with no radius checked (radius is null). Both approaches give the same results. The first approach is faster for uniform point clouds, in other cases, the second approach is faster. In addition, the user may optionally specify a point locator (instead of the default locator), which is used to accelerate searches around the sample point. Finally, the user should specify how to generate consistently-oriented normals. As computed by PCA, normals may point in arbitrary +/- orientation, which may not be consistent with neighboring normals. There are three methods to address normal consistency: 1) leave the normals as computed, 2) adjust the +/- sign of the normals so that the normals all point towards a specified point, and 3) perform a traversal of the point cloud and flip neighboring normals so that they are mutually consistent.

The output of this filter is the same as the input except that a normal per point is produced. (Note that these are unit normals.) While any vtkPointSet type can be provided as input, the output is represented by an explicit representation of points via a vtkPolyData. This output polydata will populate its instance of vtkPoints, but no cells will be defined (i.e., no vtkVertex or vtkPolyVertex are contained in the output).

Warning
  This class has been threaded with vtkSMPTools. Using TBB or other non-sequential type (set in the CMake variable VTK_SMP_IMPLEMENTATION_TYPE) may improve performance significantly.

See also
  vtkPCACurvatureEstimation

Online Examples:

Tests:
  vtkPCANormalEstimation (Tests)

Definition at line 86 of file vtkPCANormalEstimation.h.

## Member Typedef Documentation

## ◆ Superclass

typedef vtkPolyDataAlgorithm vtkPCANormalEstimation::Superclass

Standard methods for instantiating, obtaining type information, and printing information.

Definition at line 95 of file vtkPCANormalEstimation.h.

## Member Enumeration Documentation

## ◆ NeighborSearchMode

enum vtkPCANormalEstimation::NeighborSearchMode

This enum is used to control how the closest neighbor is calculated.

Enumerator
KNN |
RADIUS |

Definition at line 102 of file vtkPCANormalEstimation.h.

## ◆ Style

enum vtkPCANormalEstimation::Style

This enum is used to control how normals oriented is controlled.

Enumerator
AS_COMPUTED |
POINT |
GRAPH_TRAVERSAL |

Definition at line 154 of file vtkPCANormalEstimation.h.

## Constructor & Destructor Documentation

## ◆ vtkPCANormalEstimation()

vtkPCANormalEstimation::vtkPCANormalEstimation | ( |  | ) |
| protecteddefault

## ◆ ~vtkPCANormalEstimation()

vtkPCANormalEstimation::~vtkPCANormalEstimation | ( |  | ) |
| overrideprotected

## Member Function Documentation

## ◆ New()

static vtkPCANormalEstimation* vtkPCANormalEstimation::New | ( |  | ) |
| static

Standard methods for instantiating, obtaining type information, and printing information.

## ◆ IsTypeOf()

static vtkTypeBool vtkPCANormalEstimation::IsTypeOf | ( | const char * | type | ) |
| static

Standard methods for instantiating, obtaining type information, and printing information.

## ◆ IsA()

virtual vtkTypeBool vtkPCANormalEstimation::IsA | ( | const char * | type | ) |
| virtual

Standard methods for instantiating, obtaining type information, and printing information.

Reimplemented from vtkPolyDataAlgorithm.

## ◆ SafeDownCast()

static vtkPCANormalEstimation* vtkPCANormalEstimation::SafeDownCast | ( | vtkObjectBase * | o | ) |
| static

Standard methods for instantiating, obtaining type information, and printing information.

## ◆ NewInstanceInternal()

virtual vtkObjectBase* vtkPCANormalEstimation::NewInstanceInternal | ( |  | ) | const
| protectedvirtual

Standard methods for instantiating, obtaining type information, and printing information.

Reimplemented from vtkPolyDataAlgorithm.

## ◆ NewInstance()

vtkPCANormalEstimation* vtkPCANormalEstimation::NewInstance | ( |  | ) | const

Standard methods for instantiating, obtaining type information, and printing information.

## ◆ PrintSelf()

void vtkPCANormalEstimation::PrintSelf | ( | ostream & | os,
|  | vtkIndent | indent
| ) |  |
| overridevirtual

Standard methods for instantiating, obtaining type information, and printing information.

Reimplemented from vtkPolyDataAlgorithm.

## ◆ SetSearchMode()

virtual void vtkPCANormalEstimation::SetSearchMode | ( | int |  | ) |
| virtual

Configure how the filter selects the neighbor points used to calculate the PCA.

By default (KNN mode and radius set to 0), K (SampleSize) points are selected regardless of their location relative to the sampled point. The radius can also be set to ensure that a sufficiently large neighborhood is taken into account, if not (i.e. all points fall inside the radius), the second approach is performed. A second approach is to select neighboring points inside a radius (RADIUS), only the neighborhood of the sampled point is considered. If K (SampleSize) is also set, the number of points found inside the radius must be larger than K, if not the first approach is performed. Both approaches give the same results. The first approach is faster for uniform point clouds, in other cases, the second approach is faster.

## ◆ GetSearchMode()

virtual int vtkPCANormalEstimation::GetSearchMode | ( |  | ) |
| virtual

Configure how the filter selects the neighbor points used to calculate the PCA.

By default (KNN mode and radius set to 0), K (SampleSize) points are selected regardless of their location relative to the sampled point. The radius can also be set to ensure that a sufficiently large neighborhood is taken into account, if not (i.e. all points fall inside the radius), the second approach is performed. A second approach is to select neighboring points inside a radius (RADIUS), only the neighborhood of the sampled point is considered. If K (SampleSize) is also set, the number of points found inside the radius must be larger than K, if not the first approach is performed. Both approaches give the same results. The first approach is faster for uniform point clouds, in other cases, the second approach is faster.

## ◆ SetSearchModeToKNN()

void vtkPCANormalEstimation::SetSearchModeToKNN | ( |  | ) |
| inline

Configure how the filter selects the neighbor points used to calculate the PCA.

By default (KNN mode and radius set to 0), K (SampleSize) points are selected regardless of their location relative to the sampled point. The radius can also be set to ensure that a sufficiently large neighborhood is taken into account, if not (i.e. all points fall inside the radius), the second approach is performed. A second approach is to select neighboring points inside a radius (RADIUS), only the neighborhood of the sampled point is considered. If K (SampleSize) is also set, the number of points found inside the radius must be larger than K, if not the first approach is performed. Both approaches give the same results. The first approach is faster for uniform point clouds, in other cases, the second approach is faster.

Definition at line 125 of file vtkPCANormalEstimation.h.

## ◆ SetSearchModeToRadius()

void vtkPCANormalEstimation::SetSearchModeToRadius | ( |  | ) |
| inline

Configure how the filter selects the neighbor points used to calculate the PCA.

By default (KNN mode and radius set to 0), K (SampleSize) points are selected regardless of their location relative to the sampled point. The radius can also be set to ensure that a sufficiently large neighborhood is taken into account, if not (i.e. all points fall inside the radius), the second approach is performed. A second approach is to select neighboring points inside a radius (RADIUS), only the neighborhood of the sampled point is considered. If K (SampleSize) is also set, the number of points found inside the radius must be larger than K, if not the first approach is performed. Both approaches give the same results. The first approach is faster for uniform point clouds, in other cases, the second approach is faster.

Definition at line 126 of file vtkPCANormalEstimation.h.

## ◆ SetSampleSize()

virtual void vtkPCANormalEstimation::SetSampleSize | ( | int |  | ) |
| virtual

For each sampled point, specify the number of the closest, surrounding points used to estimate the normal (the so called k-neighborhood).

By default 25 points are used. Smaller numbers may speed performance at the cost of accuracy.

## ◆ GetSampleSize()

virtual int vtkPCANormalEstimation::GetSampleSize | ( |  | ) |
| virtual

For each sampled point, specify the number of the closest, surrounding points used to estimate the normal (the so called k-neighborhood).

By default 25 points are used. Smaller numbers may speed performance at the cost of accuracy.

## ◆ SetRadius()

virtual void vtkPCANormalEstimation::SetRadius | ( | double |  | ) |
| virtual

For each sampled point, specify the radius within which the surrounding points used to estimate the normal are selected.

By default a 1 meter radius is used. Smaller radius may speed performance at the cost of accuracy.

## ◆ GetRadius()

virtual double vtkPCANormalEstimation::GetRadius | ( |  | ) |
| virtual

For each sampled point, specify the radius within which the surrounding points used to estimate the normal are selected.

By default a 1 meter radius is used. Smaller radius may speed performance at the cost of accuracy.

## ◆ SetNormalOrientation()

virtual void vtkPCANormalEstimation::SetNormalOrientation | ( | int |  | ) |
| virtual

Configure how the filter addresses consistency in normal oreientation.

When initially computed using PCA, a point normal may point in the + or - direction, which may not be consistent with neighboring points. To address this, various strategies have been used to create consistent normals. The simplest approach is to do nothing (AsComputed). Another simple approach is to flip the normal based on its direction with respect to a specified point (i.e., point normals will point towrads the specified point). Finally, a full traversal of points across the graph of neighboring, connected points produces the best results but is computationally expensive.

## ◆ GetNormalOrientation()

virtual int vtkPCANormalEstimation::GetNormalOrientation | ( |  | ) |
| virtual

Configure how the filter addresses consistency in normal oreientation.

When initially computed using PCA, a point normal may point in the + or - direction, which may not be consistent with neighboring points. To address this, various strategies have been used to create consistent normals. The simplest approach is to do nothing (AsComputed). Another simple approach is to flip the normal based on its direction with respect to a specified point (i.e., point normals will point towrads the specified point). Finally, a full traversal of points across the graph of neighboring, connected points produces the best results but is computationally expensive.

## ◆ SetNormalOrientationToAsComputed()

void vtkPCANormalEstimation::SetNormalOrientationToAsComputed | ( |  | ) |
| inline

Configure how the filter addresses consistency in normal oreientation.

When initially computed using PCA, a point normal may point in the + or - direction, which may not be consistent with neighboring points. To address this, various strategies have been used to create consistent normals. The simplest approach is to do nothing (AsComputed). Another simple approach is to flip the normal based on its direction with respect to a specified point (i.e., point normals will point towrads the specified point). Finally, a full traversal of points across the graph of neighboring, connected points produces the best results but is computationally expensive.

Definition at line 176 of file vtkPCANormalEstimation.h.

## ◆ SetNormalOrientationToPoint()

void vtkPCANormalEstimation::SetNormalOrientationToPoint | ( |  | ) |
| inline

Configure how the filter addresses consistency in normal oreientation.

When initially computed using PCA, a point normal may point in the + or - direction, which may not be consistent with neighboring points. To address this, various strategies have been used to create consistent normals. The simplest approach is to do nothing (AsComputed). Another simple approach is to flip the normal based on its direction with respect to a specified point (i.e., point normals will point towrads the specified point). Finally, a full traversal of points across the graph of neighboring, connected points produces the best results but is computationally expensive.

Definition at line 177 of file vtkPCANormalEstimation.h.

## ◆ SetNormalOrientationToGraphTraversal()

void vtkPCANormalEstimation::SetNormalOrientationToGraphTraversal | ( |  | ) |
| inline

Configure how the filter addresses consistency in normal oreientation.

When initially computed using PCA, a point normal may point in the + or - direction, which may not be consistent with neighboring points. To address this, various strategies have been used to create consistent normals. The simplest approach is to do nothing (AsComputed). Another simple approach is to flip the normal based on its direction with respect to a specified point (i.e., point normals will point towrads the specified point). Finally, a full traversal of points across the graph of neighboring, connected points produces the best results but is computationally expensive.

Definition at line 178 of file vtkPCANormalEstimation.h.

## ◆ SetOrientationPoint() [1/2]

virtual void vtkPCANormalEstimation::SetOrientationPoint | ( | double | ,
|  | double | ,
|  | double |
| ) |  |
| virtual

If the normal orientation is to be consistent with a specified direction, then an orientation point should be set.

The sign of the normals will be modified so that they point towards this point. By default, the specified orientation point is (0,0,0).

## ◆ SetOrientationPoint() [2/2]

virtual void vtkPCANormalEstimation::SetOrientationPoint | ( | double | [3] | ) |
| virtual

If the normal orientation is to be consistent with a specified direction, then an orientation point should be set.

The sign of the normals will be modified so that they point towards this point. By default, the specified orientation point is (0,0,0).

## ◆ GetOrientationPoint() [1/2]

virtual double* vtkPCANormalEstimation::GetOrientationPoint | ( |  | ) |
| virtual

If the normal orientation is to be consistent with a specified direction, then an orientation point should be set.

The sign of the normals will be modified so that they point towards this point. By default, the specified orientation point is (0,0,0).

## ◆ GetOrientationPoint() [2/2]

virtual void vtkPCANormalEstimation::GetOrientationPoint | ( | double | data[3] | ) |
| virtual

If the normal orientation is to be consistent with a specified direction, then an orientation point should be set.

The sign of the normals will be modified so that they point towards this point. By default, the specified orientation point is (0,0,0).

## ◆ SetFlipNormals()

virtual void vtkPCANormalEstimation::SetFlipNormals | ( | bool |  | ) |
| virtual

The normal orientation can be flipped by enabling this flag.

## ◆ GetFlipNormals()

virtual bool vtkPCANormalEstimation::GetFlipNormals | ( |  | ) |
| virtual

The normal orientation can be flipped by enabling this flag.

## ◆ FlipNormalsOn()

virtual void vtkPCANormalEstimation::FlipNormalsOn | ( |  | ) |
| virtual

The normal orientation can be flipped by enabling this flag.

## ◆ FlipNormalsOff()

virtual void vtkPCANormalEstimation::FlipNormalsOff | ( |  | ) |
| virtual

The normal orientation can be flipped by enabling this flag.

## ◆ SetLocator()

void vtkPCANormalEstimation::SetLocator | ( | vtkAbstractPointLocator * | locator | ) |

Specify a point locator.

By default a vtkStaticPointLocator is used. The locator performs efficient searches to locate points around a sample point.

## ◆ GetLocator()

virtual vtkAbstractPointLocator* vtkPCANormalEstimation::GetLocator | ( |  | ) |
| virtual

Specify a point locator.

By default a vtkStaticPointLocator is used. The locator performs efficient searches to locate points around a sample point.

## ◆ TraverseAndFlip()

void vtkPCANormalEstimation::TraverseAndFlip | ( | vtkPoints * | inPts,
|  | float * | normals,
|  | char * | pointMap,
|  | vtkIdList * | wave,
|  | vtkIdList * | wave2
| ) |  |
| protected

## ◆ RequestData()

int vtkPCANormalEstimation::RequestData | ( | vtkInformation * | request,
|  | vtkInformationVector ** | inputVector,
|  | vtkInformationVector * | outputVector
| ) |  |
| overrideprotectedvirtual

This is called by the superclass.

This is the method you should override.

Reimplemented from vtkPolyDataAlgorithm.

## ◆ FillInputPortInformation()

int vtkPCANormalEstimation::FillInputPortInformation | ( | int | port,
|  | vtkInformation * | info
| ) |  |
| overrideprotectedvirtual

Fill the input port information objects for this algorithm.

This is invoked by the first call to GetInputPortInformation for each port so subclasses can specify what they can handle.

Reimplemented from vtkPolyDataAlgorithm.

## Member Data Documentation

## ◆ SampleSize

int vtkPCANormalEstimation::SampleSize = 25
| protected

Definition at line 216 of file vtkPCANormalEstimation.h.

## ◆ Radius

double vtkPCANormalEstimation::Radius = 0.
| protected

Definition at line 217 of file vtkPCANormalEstimation.h.

## ◆ Locator

vtkSmartPointer<vtkAbstractPointLocator> vtkPCANormalEstimation::Locator = vtkStaticPointLocator::New()
| protected

Definition at line 218 of file vtkPCANormalEstimation.h.

## ◆ SearchMode

int vtkPCANormalEstimation::SearchMode = vtkPCANormalEstimation::KNN
| protected

Definition at line 219 of file vtkPCANormalEstimation.h.

## ◆ NormalOrientation

int vtkPCANormalEstimation::NormalOrientation = vtkPCANormalEstimation::POINT
| protected

Definition at line 220 of file vtkPCANormalEstimation.h.

## ◆ OrientationPoint

double vtkPCANormalEstimation::OrientationPoint[3] = { 0. }
| protected

Definition at line 221 of file vtkPCANormalEstimation.h.

## ◆ FlipNormals

bool vtkPCANormalEstimation::FlipNormals = false
| protected

Definition at line 222 of file vtkPCANormalEstimation.h.

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

- Filters/Points/vtkPCANormalEstimation.h