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vtkMergeGraphs.h
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vtkMergeGraphs.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMergeGraphs.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 vtkMergeGraphs
* @brief combines two graphs
*
*
* vtkMergeGraphs combines information from two graphs into one.
* Both graphs must have pedigree ids assigned to the vertices.
* The output will contain the vertices/edges in the first graph, in
* addition to:
*
* - vertices in the second graph whose pedigree id does not
* match a vertex in the first input
*
* - edges in the second graph
*
* The output will contain the same attribute structure as the input;
* fields associated only with the second input graph will not be passed
* to the output. When possible, the vertex/edge data for new vertices and
* edges will be populated with matching attributes on the second graph.
* To be considered a matching attribute, the array must have the same name,
* type, and number of components.
*
* @warning
* This filter is not "domain-aware". Pedigree ids are assumed to be globally
* unique, regardless of their domain.
*/
#ifndef vtkMergeGraphs_h
#define vtkMergeGraphs_h
#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkGraphAlgorithm.h"
class vtkBitArray;
class vtkMutableGraphHelper;
class vtkStringArray;
class vtkTable;
class VTKINFOVISCORE_EXPORT vtkMergeGraphs : public vtkGraphAlgorithm
{
public:
static vtkMergeGraphs* New();
vtkTypeMacro(vtkMergeGraphs,vtkGraphAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* This is the core functionality of the algorithm. Adds edges
* and vertices from g2 into g1.
*/
int ExtendGraph(vtkMutableGraphHelper* g1, vtkGraph* g2);
//@{
/**
* Whether to use an edge window array. The default is to
* not use a window array.
*/
vtkSetMacro(UseEdgeWindow, bool);
vtkGetMacro(UseEdgeWindow, bool);
vtkBooleanMacro(UseEdgeWindow, bool);
//@}
//@{
/**
* The edge window array. The default array name is "time".
*/
vtkSetStringMacro(EdgeWindowArrayName);
vtkGetStringMacro(EdgeWindowArrayName);
//@}
//@{
/**
* The time window amount. Edges with values lower
* than the maximum value minus this window will be
* removed from the graph. The default edge window is
* 10000.
*/
vtkSetMacro(EdgeWindow, double);
vtkGetMacro(EdgeWindow, double);
//@}
protected:
vtkMergeGraphs();
~vtkMergeGraphs() VTK_OVERRIDE;
int RequestData(
vtkInformation*,
vtkInformationVector**,
vtkInformationVector*) VTK_OVERRIDE;
int FillInputPortInformation(int port, vtkInformation *info) VTK_OVERRIDE;
bool UseEdgeWindow;
char* EdgeWindowArrayName;
double EdgeWindow;
private:
vtkMergeGraphs(const vtkMergeGraphs&) VTK_DELETE_FUNCTION;
void operator=(const vtkMergeGraphs&) VTK_DELETE_FUNCTION;
};
#endif