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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.
-------------------------------------------------------------------------*/
// .NAME vtkMergeGraphs - combines two graphs
//
// .SECTION Description
// 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.
//
// .SECTION Caveats
// 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);
// Description:
// This is the core functionality of the algorithm. Adds edges
// and vertices from g2 into g1.
int ExtendGraph(vtkMutableGraphHelper* g1, vtkGraph* g2);
// Description:
// 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);
// Description:
// The edge window array. The default array name is "time".
vtkSetStringMacro(EdgeWindowArrayName);
vtkGetStringMacro(EdgeWindowArrayName);
// Description:
// 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();
virtual int RequestData(
vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual int FillInputPortInformation(int port, vtkInformation *info);
bool UseEdgeWindow;
char* EdgeWindowArrayName;
double EdgeWindow;
private:
vtkMergeGraphs(const vtkMergeGraphs&); // Not implemented
void operator=(const vtkMergeGraphs&); // Not implemented
};
#endif
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