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C++

/*=========================================================================
Program: Visualization Toolkit
Module: vtkCollectGraph.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 (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
/**
* @class vtkCollectGraph
* @brief Collect distributed graph.
*
* This filter has code to collect a graph from across processes onto vertex 0.
* Collection can be turned on or off using the "PassThrough" flag.
*/
#ifndef vtkCollectGraph_h
#define vtkCollectGraph_h
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkGraphAlgorithm.h"
class vtkMultiProcessController;
class vtkSocketController;
class VTKFILTERSPARALLEL_EXPORT vtkCollectGraph : public vtkGraphAlgorithm
{
public:
static vtkCollectGraph* New();
vtkTypeMacro(vtkCollectGraph, vtkGraphAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* By default this filter uses the global controller,
* but this method can be used to set another instead.
*/
virtual void SetController(vtkMultiProcessController*);
vtkGetObjectMacro(Controller, vtkMultiProcessController);
//@}
//@{
/**
* When this filter is being used in client-server mode,
* this is the controller used to communicate between
* client and server. Client should not set the other controller.
*/
virtual void SetSocketController(vtkSocketController*);
vtkGetObjectMacro(SocketController, vtkSocketController);
//@}
//@{
/**
* To collect or just copy input to output. Off (collect) by default.
*/
vtkSetMacro(PassThrough, vtkTypeBool);
vtkGetMacro(PassThrough, vtkTypeBool);
vtkBooleanMacro(PassThrough, vtkTypeBool);
//@}
enum
{
DIRECTED_OUTPUT,
UNDIRECTED_OUTPUT,
USE_INPUT_TYPE
};
//@{
/**
* Directedness flag, used to signal whether the output graph is directed or undirected.
* DIRECTED_OUTPUT expects that this filter is generating a directed graph.
* UNDIRECTED_OUTPUT expects that this filter is generating an undirected graph.
* DIRECTED_OUTPUT and UNDIRECTED_OUTPUT flags should only be set on the client
* filter. Server filters should be set to USE_INPUT_TYPE since they have valid
* input and the directedness is determined from the input type.
*/
vtkSetMacro(OutputType, int);
vtkGetMacro(OutputType, int);
//@}
protected:
vtkCollectGraph();
~vtkCollectGraph() override;
vtkTypeBool PassThrough;
int OutputType;
// Data generation method
int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
vtkMultiProcessController* Controller;
vtkSocketController* SocketController;
private:
vtkCollectGraph(const vtkCollectGraph&) = delete;
void operator=(const vtkCollectGraph&) = delete;
};
#endif