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/*=========================================================================
Program: Visualization Toolkit
Module: vtkExtractSelectedTree.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.
=========================================================================*/
// .NAME vtkExtractSelectedTree - return a subtree from a vtkTree
//
// .SECTION Description
// input 0 --- a vtkTree
// input 1 --- a vtkSelection, containing selected vertices. It may have
// FILED_type set to POINTS ( a vertex selection) or CELLS (an edge selection).
// A vertex selection preserves the edges that connect selected vertices.
// An edge selection perserves the vertices that are adjacent to at least one
// selected edges.
#ifndef vtkExtractSelectedTree_h
#define vtkExtractSelectedTree_h
#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkTreeAlgorithm.h"
class vtkTree;
class vtkIdTypeArray;
class vtkMutableDirectedGraph;
class VTKINFOVISCORE_EXPORT vtkExtractSelectedTree : public vtkTreeAlgorithm
{
public:
static vtkExtractSelectedTree* New();
vtkTypeMacro(vtkExtractSelectedTree,vtkTreeAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// A convenience method for setting the second input (i.e. the selection).
void SetSelectionConnection(vtkAlgorithmOutput* in);
int FillInputPortInformation(int port, vtkInformation* info);
protected:
vtkExtractSelectedTree();
~vtkExtractSelectedTree();
int RequestData(
vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
int BuildTree(vtkTree * inputTree, vtkIdTypeArray * list, vtkMutableDirectedGraph * builder);
private:
vtkExtractSelectedTree(const vtkExtractSelectedTree&); // Not implemented
void operator=(const vtkExtractSelectedTree&); // Not implemented
};
#endif
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