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103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkTreeAlgorithm.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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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkTreeAlgorithm
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* @brief Superclass for algorithms that produce only Tree as output
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*
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*
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* vtkTreeAlgorithm 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 edgehitecture. 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 Tree. If that
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* isn't the case then please override this method in your subclass.
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*/
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#ifndef vtkTreeAlgorithm_h
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#define vtkTreeAlgorithm_h
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#include "vtkAlgorithm.h"
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#include "vtkCommonExecutionModelModule.h" // For export macro
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#include "vtkTree.h" // makes things a bit easier
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class vtkDataSet;
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class VTKCOMMONEXECUTIONMODEL_EXPORT vtkTreeAlgorithm : public vtkAlgorithm
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{
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public:
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static vtkTreeAlgorithm* New();
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vtkTypeMacro(vtkTreeAlgorithm, vtkAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* see vtkAlgorithm for details
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*/
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vtkTypeBool ProcessRequest(
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vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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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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vtkTree* GetOutput() { return this->GetOutput(0); }
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vtkTree* GetOutput(int index);
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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* obj) { this->SetInputData(0, obj); }
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void SetInputData(int index, vtkDataObject* obj);
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protected:
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vtkTreeAlgorithm();
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~vtkTreeAlgorithm() override;
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// convenience method
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virtual int RequestInformation(vtkInformation* request, 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(vtkInformation* request, 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(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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// see algorithm for more info
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int FillOutputPortInformation(int port, vtkInformation* info) override;
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int FillInputPortInformation(int port, vtkInformation* info) override;
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private:
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vtkTreeAlgorithm(const vtkTreeAlgorithm&) = delete;
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void operator=(const vtkTreeAlgorithm&) = delete;
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};
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#endif
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