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Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
vtkShepardMethod Class Reference

interpolate points and associated scalars onto volume using the method of Shepard More...

#include <vtkShepardMethod.h>

Inheritance diagram for vtkShepardMethod:
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Collaboration diagram for vtkShepardMethod:
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Public Member Functions

void SetSampleDimensions (int i, int j, int k)
 Set the i-j-k dimensions on which to interpolate the input points. More...
 
void SetSampleDimensions (int dim[3])
 Set the i-j-k dimensions on which to sample the input points. More...
 
double ComputeModelBounds (double origin[3], double ar[3])
 Compute ModelBounds from the input geometry. More...
 
virtual intGetSampleDimensions ()
 Retrieve the i-j-k dimensions on which to interpolate the input points. More...
 
virtual void GetSampleDimensions (int data[3])
 Retrieve the i-j-k dimensions on which to interpolate the input points. More...
 
virtual void SetMaximumDistance (double)
 Specify the maximum influence distance of each input point. More...
 
virtual double GetMaximumDistance ()
 Specify the maximum influence distance of each input point. More...
 
virtual void SetNullValue (double)
 Set the value for output points not receiving a contribution from any input point(s). More...
 
virtual double GetNullValue ()
 Set the value for output points not receiving a contribution from any input point(s). More...
 
virtual void SetModelBounds (double, double, double, double, double, double)
 Specify the position in space to perform the sampling. More...
 
virtual void SetModelBounds (double[6])
 Specify the position in space to perform the sampling. More...
 
virtual doubleGetModelBounds ()
 Specify the position in space to perform the sampling. More...
 
virtual void GetModelBounds (double data[6])
 Specify the position in space to perform the sampling. More...
 
virtual void SetPowerParameter (double)
 Set / Get the power parameter p. More...
 
virtual double GetPowerParameter ()
 Set / Get the power parameter p. More...
 
- Public Member Functions inherited from vtkImageAlgorithm
vtkImageAlgorithmNewInstance () const
 
int ProcessRequest (vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
 Process a request from the executive. More...
 
vtkImageDataGetOutput ()
 Get the output data object for a port on this algorithm. More...
 
vtkImageDataGetOutput (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...
 
vtkDataObjectGetInput (int port)
 Get a data object for one of the input port connections. More...
 
vtkDataObjectGetInput ()
 Get a data object for one of the input port connections. More...
 
vtkImageDataGetImageDataInput (int port)
 Get a data object for one of the input port connections. More...
 
virtual void AddInputData (vtkDataObject *)
 Assign a data object as input. More...
 
virtual void AddInputData (int, vtkDataObject *)
 Assign a data object as input. More...
 
- Public Member Functions inherited from vtkAlgorithm
vtkAlgorithmNewInstance () const
 
int HasExecutive ()
 Check whether this algorithm has an assigned executive. More...
 
vtkExecutiveGetExecutive ()
 Get this algorithm's executive. More...
 
virtual void SetExecutive (vtkExecutive *executive)
 Set this algorithm's executive. More...
 
int 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...
 
vtkInformationGetInputPortInformation (int port)
 Get the information object associated with an input port. More...
 
vtkInformationGetOutputPortInformation (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 UpdateProgress (double amount)
 Update the progress of the process object. More...
 
virtual void SetInputArrayToProcess (int idx, int port, int connection, const char *fieldAssociation, const char *attributeTypeorName)
 String based versions of SetInputArrayToProcess(). More...
 
vtkInformationGetInputArrayInformation (int idx)
 Get the info object for the specified input array to this algorithm. More...
 
void RemoveAllInputs ()
 Remove all the input data. More...
 
vtkDataObjectGetOutputDataObject (int port)
 Get the data object that will contain the algorithm output for the given port. More...
 
vtkDataObjectGetInputDataObject (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)
 
vtkAlgorithmOutputGetOutputPort (int index)
 Get a proxy object corresponding to the given output port of this algorithm. More...
 
vtkAlgorithmOutputGetOutputPort ()
 
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...
 
vtkAlgorithmOutputGetInputConnection (int port, int index)
 Get the algorithm output port connected to an input port. More...
 
vtkAlgorithmGetInputAlgorithm (int port, int index, int &algPort)
 Returns the algorithm and the output port index of that algorithm connected to a port-index pair. More...
 
vtkAlgorithmGetInputAlgorithm (int port, int index)
 Returns the algorithm connected to a port-index pair. More...
 
vtkAlgorithmGetInputAlgorithm ()
 Equivalent to GetInputAlgorithm(0, 0). More...
 
vtkExecutiveGetInputExecutive (int port, int index)
 Returns the executive associated with a particular input connection. More...
 
vtkExecutiveGetInputExecutive ()
 Equivalent to GetInputExecutive(0, 0) More...
 
vtkInformationGetInputInformation (int port, int index)
 Return the information object that is associated with a particular input connection. More...
 
vtkInformationGetInputInformation ()
 Equivalent to GetInputInformation(0, 0) More...
 
vtkInformationGetOutputInformation (int port)
 Return the information object that is associated with a particular output port. More...
 
virtual int 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 int 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 vtkInformationGetInformation ()
 Set/Get the information object associated with this algorithm. More...
 
virtual void SetInformation (vtkInformation *)
 Set/Get the information object associated with this algorithm. More...
 
void Register (vtkObjectBase *o) override
 Participate in garbage collection. More...
 
void UnRegister (vtkObjectBase *o) 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 void SetProgress (double)
 Set/Get the execution progress of a process object. More...
 
virtual double GetProgress ()
 Set/Get the execution progress of a process object. 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 (int)
 Turn release data flag on or off for all output ports. More...
 
virtual int 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...
 
intGetUpdateExtent ()
 These functions return the update extent for output ports that use 3D extents. More...
 
intGetUpdateExtent (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 vtkProgressObserverGetProgressObserver ()
 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)
 
int InvokeEvent (unsigned long event)
 
int InvokeEvent (const char *event)
 
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...
 
vtkCommandGetCommand (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...
 
int InvokeEvent (unsigned long event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
int InvokeEvent (const char *event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 Return the class name as a string. 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...
 
int GetReferenceCount ()
 Return the current reference count of this object. More...
 
void SetReferenceCount (int)
 Sets the reference count. More...
 
void PrintRevisions (ostream &)
 Legacy. 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...
 

Static Public Member Functions

static vtkShepardMethodNew ()
 Construct with sample dimensions=(50,50,50) and so that model bounds are automatically computed from the input. More...
 
- Static Public Member Functions inherited from vtkImageAlgorithm
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkImageAlgorithmSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkAlgorithm
static vtkAlgorithmNew ()
 
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkAlgorithmSafeDownCast (vtkObjectBase *o)
 
static vtkInformationIntegerKeyINPUT_IS_OPTIONAL ()
 Keys used to specify input port requirements. More...
 
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 vtkInformationIntegerKeyCAN_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 vtkInformationIntegerKeyCAN_HANDLE_PIECE_REQUEST ()
 Key that tells the pipeline that a particular algorithm can or cannot handle piece request. More...
 
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 vtkObjectNew ()
 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 (int 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 int 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 vtkObjectBaseNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 

Protected Member Functions

 vtkShepardMethod ()
 
 ~vtkShepardMethod () override
 
int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
 Subclasses can reimplement this method to collect information from their inputs and set information for their outputs. More...
 
int RequestData (vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
 This is called in response to a REQUEST_DATA request from the executive. More...
 
int FillInputPortInformation (int port, vtkInformation *info) override
 These method should be reimplemented by subclasses that have more than a single input or single output. More...
 
- Protected Member Functions inherited from vtkImageAlgorithm
 vtkImageAlgorithm ()
 
 ~vtkImageAlgorithm () override
 
virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *)
 Subclasses can reimplement this method to translate the update extent requests from each output port into update extent requests for the input connections. More...
 
virtual void CopyInputArrayAttributesToOutput (vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
 Convenience method to copy the scalar type and number of components from the input data to the output data. More...
 
virtual void ExecuteDataWithInformation (vtkDataObject *output, vtkInformation *outInfo)
 This is a convenience method that is implemented in many subclasses instead of RequestData. More...
 
virtual void CopyAttributeData (vtkImageData *in, vtkImageData *out, vtkInformationVector **inputVector)
 Copy the other point and cell data. More...
 
virtual void ExecuteData (vtkDataObject *output)
 This method is the old style execute method, provided for the sake of backwards compatibility with older filters and readers. More...
 
virtual void Execute ()
 This method is the old style execute method, provided for the sake of backwards compatibility with older filters and readers. More...
 
virtual void AllocateOutputData (vtkImageData *out, vtkInformation *outInfo, int *uExtent)
 Allocate the output data. More...
 
virtual vtkImageDataAllocateOutputData (vtkDataObject *out, vtkInformation *outInfo)
 Allocate the output data. More...
 
int FillOutputPortInformation (int port, vtkInformation *info) override
 These method should be reimplemented by subclasses that have more than a single input or single output. More...
 
- Protected Member Functions inherited from vtkAlgorithm
 vtkAlgorithm ()
 
 ~vtkAlgorithm () override
 
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 assocition of the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...
 
vtkInformationGetInputArrayFieldInformation (int idx, vtkInformationVector **inputVector)
 This method takes in an index (as specified in SetInputArrayToProcess) and a pipeline information vector. More...
 
virtual vtkExecutiveCreateDefaultExecutive ()
 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...
 
vtkDataArrayGetInputArrayToProcess (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...
 
vtkDataArrayGetInputArrayToProcess (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...
 
vtkDataArrayGetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkDataArrayGetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkDataArrayGetInputArrayToProcess (int idx, vtkDataObject *input)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkDataArrayGetInputArrayToProcess (int idx, vtkDataObject *input, int &association)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkAbstractArrayGetInputAbstractArrayToProcess (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...
 
vtkAbstractArrayGetInputAbstractArrayToProcess (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...
 
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkAbstractArrayGetInputAbstractArrayToProcess (int idx, vtkDataObject *input)
 Filters that have multiple connections on one port can use this signature. More...
 
vtkAbstractArrayGetInputAbstractArrayToProcess (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 ()
 
virtual void CollectRevisions (ostream &)
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Protected Attributes

int SampleDimensions [3]
 
double MaximumDistance
 
double ModelBounds [6]
 
double NullValue
 
double PowerParameter
 
- Protected Attributes inherited from vtkAlgorithm
vtkInformationInformation
 
double Progress
 
char * ProgressText
 
vtkProgressObserverProgressObserver
 
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
 
- Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32 ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 
typedef vtkImageAlgorithm Superclass
 Standard type and print methods. More...
 
static vtkTypeBool IsTypeOf (const char *type)
 Standard type and print methods. More...
 
static vtkShepardMethodSafeDownCast (vtkObjectBase *o)
 Standard type and print methods. More...
 
virtual vtkTypeBool IsA (const char *type)
 Standard type and print methods. More...
 
vtkShepardMethodNewInstance () const
 Standard type and print methods. More...
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Standard type and print methods. More...
 
virtual vtkObjectBaseNewInstanceInternal () const
 Standard type and print methods. More...
 

Additional Inherited Members

- Public Types inherited from vtkImageAlgorithm
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 Attributes inherited from vtkAlgorithm
vtkTypeBool AbortExecute
 
- Static Protected Member Functions inherited from vtkAlgorithm
static vtkInformationIntegerKeyPORT_REQUIREMENTS_FILLED ()
 
- Static Protected Attributes inherited from vtkAlgorithm
static vtkExecutiveDefaultExecutivePrototype
 

Detailed Description

interpolate points and associated scalars onto volume using the method of Shepard

vtkShepardMethod is a filter used to interpolate point scalar values using Shepard's method. The method works by resampling the scalars associated with points defined on an arbitrary dataset onto a volume (i.e., structured points) dataset. The influence functions are described as "inverse distance weighted". Once the interpolation is performed across the volume, the usual volume visualization techniques (e.g., iso-contouring or volume rendering) can be used.

Note that this implementation also provides the ability to specify the power parameter p. Given the generalized Inverse Distance Weighting (IDW) function with distance between points measured as d(x,xi), p is defined as:

u(x) = Sum(wi(x) * ui) / Sum(wi(x)) if d(x,xi) != 0
u(x) = ui                           if d(x,xi) == 0
where wi(x) = 1 / (d(x,xi)^p

Typically p=2, so the weights wi(x) are the inverse of the distance squared. However, power parameters > 2 can be used which assign higher weights for data closer to the interpolated point; or <2 which assigns greater weight to points further away. (Note that if p!=2, performance may be significantly impacted as the algorithm is tuned for p=2.)

Warning
Strictly speaking, this is a modified Shepard's methodsince only points within the MaxiumDistance are used for interpolation. By setting the maximum distance to include the entire bounding box and therefore all points, the class executes much slower but incorporates all points into the interpolation process (i.e., a pure Shepard method).
The input to this filter is any dataset type. This filter can be used to resample the points of any type of dataset onto the output volume; i.e., the input data need not be unstructured with explicit point representations.
The bounds of the data (i.e., the sample space) is automatically computed if not set by the user.
If you use a maximum distance less than 1.0 (i.e., using a modified Shephard's method), some output points may never receive a contribution. The final value of these points can be specified with the "NullValue" instance variable.
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
vtkGaussianSplatter vtkCheckerboardSplatter
Tests:
vtkShepardMethod (Tests)

Definition at line 86 of file vtkShepardMethod.h.

Member Typedef Documentation

Standard type and print methods.

Definition at line 93 of file vtkShepardMethod.h.

Constructor & Destructor Documentation

vtkShepardMethod::vtkShepardMethod ( )
protected
vtkShepardMethod::~vtkShepardMethod ( )
inlineoverrideprotected

Definition at line 170 of file vtkShepardMethod.h.

Member Function Documentation

static vtkTypeBool vtkShepardMethod::IsTypeOf ( const char *  type)
static

Standard type and print methods.

virtual vtkTypeBool vtkShepardMethod::IsA ( const char *  type)
virtual

Standard type and print methods.

Reimplemented from vtkImageAlgorithm.

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

Standard type and print methods.

virtual vtkObjectBase* vtkShepardMethod::NewInstanceInternal ( ) const
protectedvirtual

Standard type and print methods.

Reimplemented from vtkImageAlgorithm.

vtkShepardMethod* vtkShepardMethod::NewInstance ( ) const

Standard type and print methods.

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

Standard type and print methods.

Reimplemented from vtkImageAlgorithm.

static vtkShepardMethod* vtkShepardMethod::New ( )
static

Construct with sample dimensions=(50,50,50) and so that model bounds are automatically computed from the input.

The null value for each unvisited output point is 0.0. Maximum distance is 0.25. Power parameter p=2.

void vtkShepardMethod::SetSampleDimensions ( int  i,
int  j,
int  k 
)

Set the i-j-k dimensions on which to interpolate the input points.

void vtkShepardMethod::SetSampleDimensions ( int  dim[3])

Set the i-j-k dimensions on which to sample the input points.

virtual int* vtkShepardMethod::GetSampleDimensions ( )
virtual

Retrieve the i-j-k dimensions on which to interpolate the input points.

virtual void vtkShepardMethod::GetSampleDimensions ( int  data[3])
virtual

Retrieve the i-j-k dimensions on which to interpolate the input points.

virtual void vtkShepardMethod::SetMaximumDistance ( double  )
virtual

Specify the maximum influence distance of each input point.

This distance is a fraction of the length of the diagonal of the sample space. Thus, values of 1.0 will cause each input point to influence all points in the volume dataset. Values less than 1.0 can improve performance significantly. By default the maximum distance is 0.25.

virtual double vtkShepardMethod::GetMaximumDistance ( )
virtual

Specify the maximum influence distance of each input point.

This distance is a fraction of the length of the diagonal of the sample space. Thus, values of 1.0 will cause each input point to influence all points in the volume dataset. Values less than 1.0 can improve performance significantly. By default the maximum distance is 0.25.

virtual void vtkShepardMethod::SetNullValue ( double  )
virtual

Set the value for output points not receiving a contribution from any input point(s).

Output points may not receive a contribution when the MaximumDistance < 1.

virtual double vtkShepardMethod::GetNullValue ( )
virtual

Set the value for output points not receiving a contribution from any input point(s).

Output points may not receive a contribution when the MaximumDistance < 1.

virtual void vtkShepardMethod::SetModelBounds ( double  ,
double  ,
double  ,
double  ,
double  ,
double   
)
virtual

Specify the position in space to perform the sampling.

The ModelBounds and SampleDimensions together define the output volume. (Note: if the ModelBounds are set to an invalid state [zero or negative volume] then the bounds are computed automatically.)

virtual void vtkShepardMethod::SetModelBounds ( double  [6])
virtual

Specify the position in space to perform the sampling.

The ModelBounds and SampleDimensions together define the output volume. (Note: if the ModelBounds are set to an invalid state [zero or negative volume] then the bounds are computed automatically.)

virtual double* vtkShepardMethod::GetModelBounds ( )
virtual

Specify the position in space to perform the sampling.

The ModelBounds and SampleDimensions together define the output volume. (Note: if the ModelBounds are set to an invalid state [zero or negative volume] then the bounds are computed automatically.)

virtual void vtkShepardMethod::GetModelBounds ( double  data[6])
virtual

Specify the position in space to perform the sampling.

The ModelBounds and SampleDimensions together define the output volume. (Note: if the ModelBounds are set to an invalid state [zero or negative volume] then the bounds are computed automatically.)

virtual void vtkShepardMethod::SetPowerParameter ( double  )
virtual

Set / Get the power parameter p.

By default p=2. Values (which must be a positive, real value) != 2 may affect performance significantly.

virtual double vtkShepardMethod::GetPowerParameter ( )
virtual

Set / Get the power parameter p.

By default p=2. Values (which must be a positive, real value) != 2 may affect performance significantly.

double vtkShepardMethod::ComputeModelBounds ( double  origin[3],
double  ar[3] 
)

Compute ModelBounds from the input geometry.

int vtkShepardMethod::RequestInformation ( vtkInformation request,
vtkInformationVector **  inputVector,
vtkInformationVector outputVector 
)
overrideprotectedvirtual

Subclasses can reimplement this method to collect information from their inputs and set information for their outputs.

Reimplemented from vtkImageAlgorithm.

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

This is called in response to a REQUEST_DATA request from the executive.

Subclasses should override either this method or the ExecuteDataWithInformation method in order to generate data for their outputs. For images, the output arrays will already be allocated, so all that is necessary is to fill in the voxel values.

Reimplemented from vtkImageAlgorithm.

int vtkShepardMethod::FillInputPortInformation ( int  port,
vtkInformation info 
)
overrideprotectedvirtual

These method should be reimplemented by subclasses that have more than a single input or single output.

See vtkAlgorithm for more information.

Reimplemented from vtkImageAlgorithm.

Member Data Documentation

int vtkShepardMethod::SampleDimensions[3]
protected

Definition at line 184 of file vtkShepardMethod.h.

double vtkShepardMethod::MaximumDistance
protected

Definition at line 185 of file vtkShepardMethod.h.

double vtkShepardMethod::ModelBounds[6]
protected

Definition at line 186 of file vtkShepardMethod.h.

double vtkShepardMethod::NullValue
protected

Definition at line 187 of file vtkShepardMethod.h.

double vtkShepardMethod::PowerParameter
protected

Definition at line 188 of file vtkShepardMethod.h.


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