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64 lines
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C

/*=========================================================================
Program: Visualization Toolkit
Module: vtkExtractSelectedBlock.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.
=========================================================================*/
/**
* @class vtkExtractSelectedBlock
* @brief Extract-Selection filter to extract blocks.
*
* vtkExtractSelectedBlock extracts blocks from a composite dataset on input 0
* using a vtkSelection on input 1.
*
* IDs extracted can refer to leaf nodes or non-leaf nodes. When they refer to
* non-leaf nodes, the entire subtree is extracted.
*
* Note: this filter uses `vtkCompositeDataSet::ShallowCopy`, as a result, datasets at
* leaf nodes are simply passed through, rather than being shallow-copied
* themselves.
*/
#ifndef vtkExtractSelectedBlock_h
#define vtkExtractSelectedBlock_h
#include "vtkExtractSelectionBase.h"
#include "vtkFiltersExtractionModule.h" // For export macro
class VTKFILTERSEXTRACTION_EXPORT vtkExtractSelectedBlock : public vtkExtractSelectionBase
{
public:
static vtkExtractSelectedBlock* New();
vtkTypeMacro(vtkExtractSelectedBlock, vtkExtractSelectionBase);
void PrintSelf(ostream& os, vtkIndent indent) override;
protected:
vtkExtractSelectedBlock();
~vtkExtractSelectedBlock() override;
// Generate the output.
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
/**
* Sets up empty output dataset
*/
int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
private:
vtkExtractSelectedBlock(const vtkExtractSelectedBlock&) = delete;
void operator=(const vtkExtractSelectedBlock&) = delete;
};
#endif