vtkExtractBlock.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkExtractBlock.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.
 
=========================================================================*/
#ifndef vtkExtractBlock_h
#define vtkExtractBlock_h
 
#include "vtkFiltersExtractionModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"
 
class vtkDataObjectTreeIterator;
class vtkPartitionedDataSet;
class vtkMultiBlockDataSet;
class vtkDataObjectTree;
 
class VTKFILTERSEXTRACTION_EXPORT vtkExtractBlock : public vtkPassInputTypeAlgorithm
{
  class vtkSet;
 
public:
 
  static vtkExtractBlock* New();
  vtkTypeMacro(vtkExtractBlock, vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void AddIndex(unsigned int index);
  void RemoveIndex(unsigned int index);
  void RemoveAllIndices();
 
 
  vtkSetMacro(PruneOutput, vtkTypeBool);
  vtkGetMacro(PruneOutput, vtkTypeBool);
  vtkBooleanMacro(PruneOutput, vtkTypeBool);
 
 
  vtkSetMacro(MaintainStructure, vtkTypeBool);
  vtkGetMacro(MaintainStructure, vtkTypeBool);
  vtkBooleanMacro(MaintainStructure, vtkTypeBool);
 
protected:
  vtkExtractBlock();
  ~vtkExtractBlock() override;
 
  static vtkInformationIntegerKey* DONT_PRUNE();
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  void CopySubTree(vtkDataObjectTreeIterator* loc, vtkDataObjectTree* output,
    vtkDataObjectTree* input, vtkSet& activeIndices);
  bool Prune(vtkMultiBlockDataSet* mblock);
  bool Prune(vtkPartitionedDataSet* mpiece);
  bool Prune(vtkDataObject* branch);
 
  vtkTypeBool PruneOutput;
  vtkTypeBool MaintainStructure;
 
private:
  vtkExtractBlock(const vtkExtractBlock&) = delete;
  void operator=(const vtkExtractBlock&) = delete;
  vtkSet* Indices;
};
 
#endif