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/*=========================================================================
Program: Visualization Toolkit
Module: vtkUndirectedGraphAlgorithm.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
* @class vtkUndirectedGraphAlgorithm
* @brief Superclass for algorithms that produce undirected graph as output
*
*
* vtkUndirectedGraphAlgorithm is a convenience class to make writing algorithms
* easier. It is also designed to help transition old algorithms to the new
* pipeline edgehitecture. There are some assumptions and defaults made by this
* class you should be aware of. This class defaults such that your filter
* will have one input port and one output port. If that is not the case
* simply change it with SetNumberOfInputPorts etc. See this class
* constructor for the default. This class also provides a FillInputPortInfo
* method that by default says that all inputs will be Graph. If that
* isn't the case then please override this method in your subclass.
*
* @par Thanks:
* Thanks to Patricia Crossno, Ken Moreland, Andrew Wilson and Brian Wylie from
* Sandia National Laboratories for their help in developing this class.
*/
#ifndef vtkUndirectedGraphAlgorithm_h
#define vtkUndirectedGraphAlgorithm_h
#include "vtkCommonExecutionModelModule.h" // For export macro
#include "vtkAlgorithm.h"
#include "vtkUndirectedGraph.h" // makes things a bit easier
class vtkDataSet;
class VTKCOMMONEXECUTIONMODEL_EXPORT vtkUndirectedGraphAlgorithm : public vtkAlgorithm
{
public:
static vtkUndirectedGraphAlgorithm *New();
vtkTypeMacro(vtkUndirectedGraphAlgorithm,vtkAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* see vtkAlgorithm for details
*/
int ProcessRequest(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*) VTK_OVERRIDE;
/**
* Get the output data object for a port on this algorithm.
*/
vtkUndirectedGraph* GetOutput() { return this->GetOutput(0); }
vtkUndirectedGraph* GetOutput(int index);
/**
* Assign a data object as input. Note that this method does not
* establish a pipeline connection. Use SetInputConnection() to
* setup a pipeline connection.
*/
void SetInputData(vtkDataObject * obj) { this->SetInputData(0, obj); }
void SetInputData(int index, vtkDataObject* obj);
protected:
vtkUndirectedGraphAlgorithm();
~vtkUndirectedGraphAlgorithm() VTK_OVERRIDE;
// convenience method
virtual int RequestInformation(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int RequestData(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int RequestUpdateExtent(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
// see algorithm for more info
int FillOutputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
int FillInputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
private:
vtkUndirectedGraphAlgorithm(const vtkUndirectedGraphAlgorithm&) VTK_DELETE_FUNCTION;
void operator=(const vtkUndirectedGraphAlgorithm&) VTK_DELETE_FUNCTION;
};
#endif
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