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138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkLabelHierarchyAlgorithm.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkLabelHierarchyAlgorithm
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* @brief Superclass for algorithms that produce only label hierarchies as output
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*
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*
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* vtkLabelHierarchyAlgorithm is a convenience class to make writing algorithms
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* easier. It is also designed to help transition old algorithms to the new
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* pipeline architecture. There are some assumptions and defaults made by this
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* class you should be aware of. This class defaults such that your filter
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* will have one input port and one output port. If that is not the case
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* simply change it with SetNumberOfInputPorts etc. See this class
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* constructor for the default. This class also provides a FillInputPortInfo
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* method that by default says that all inputs will be DataObjects. If that
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* isn't the case then please override this method in your subclass. This
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* class breaks out the downstream requests into separate functions such as
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* RequestData and RequestInformation. You should
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* implement RequestData( request, inputVec, outputVec) in subclasses.
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*/
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#ifndef vtkLabelHierarchyAlgorithm_h
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#define vtkLabelHierarchyAlgorithm_h
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#include "vtkRenderingLabelModule.h" // For export macro
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#include "vtkAlgorithm.h"
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class vtkDataSet;
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class vtkLabelHierarchy;
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class VTKRENDERINGLABEL_EXPORT vtkLabelHierarchyAlgorithm : public vtkAlgorithm
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{
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public:
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static vtkLabelHierarchyAlgorithm *New();
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vtkTypeMacro(vtkLabelHierarchyAlgorithm,vtkAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Get the output data object for a port on this algorithm.
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*/
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vtkLabelHierarchy* GetOutput();
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vtkLabelHierarchy* GetOutput(int);
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virtual void SetOutput(vtkDataObject* d);
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//@}
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/**
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* see vtkAlgorithm for details
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*/
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virtual int ProcessRequest(vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector*);
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// this method is not recommended for use, but lots of old style filters use it
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vtkDataObject* GetInput();
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vtkDataObject* GetInput(int port);
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vtkLabelHierarchy* GetLabelHierarchyInput(int port);
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//@{
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/**
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* Assign a data object as input. Note that this method does not
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* establish a pipeline connection. Use SetInputConnection() to
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* setup a pipeline connection.
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*/
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void SetInputData( vtkDataObject* );
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void SetInputData( int, vtkDataObject* );
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//@}
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//@{
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/**
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* Assign a data object as input. Note that this method does not
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* establish a pipeline connection. Use AddInputConnection() to
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* setup a pipeline connection.
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*/
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void AddInputData( vtkDataObject* );
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void AddInputData( int, vtkDataObject* );
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//@}
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protected:
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vtkLabelHierarchyAlgorithm();
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~vtkLabelHierarchyAlgorithm();
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestDataObject(
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vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector );
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// convenience method
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virtual int RequestInformation(
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vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector );
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestData(
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vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector );
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/**
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* This is called by the superclass.
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* This is the method you should override.
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*/
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virtual int RequestUpdateExtent(
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vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector* );
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// see algorithm for more info
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virtual int FillOutputPortInformation( int port, vtkInformation* info );
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virtual int FillInputPortInformation( int port, vtkInformation* info );
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private:
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vtkLabelHierarchyAlgorithm( const vtkLabelHierarchyAlgorithm& ) VTK_DELETE_FUNCTION;
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void operator = ( const vtkLabelHierarchyAlgorithm& ) VTK_DELETE_FUNCTION;
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};
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#endif
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