/usr/include/vtk-7.1/vtkExtractHierarchicalBins.h is in libvtk7-dev 7.1.1+dfsg1-2.
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  Program:   Visualization Toolkit
  Module:    vtkExtractHierarchicalBins.h
  Copyright (c) Kitware, Inc.
  All rights reserved.
  See LICENSE file 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   vtkExtractHierarchicalBins
 * @brief   manipulate the output of
 * vtkHierarchicalBinningFilter
 *
 *
 * vtkExtractHierarchicalBins enables users to extract data from the output
 * of vtkHierarchicalBinningFilter. Points at a particular level, or at a
 * level and bin number, can be filtered to the output. To perform these
 * operations, the output must contain points sorted into bins (the
 * vtkPoints), with offsets pointing to the beginning of each bin (a
 * vtkFieldData array named "BinOffsets").
 *
 *
 * @warning
 * This class has been threaded with vtkSMPTools. Using TBB or other
 * non-sequential type (set in the CMake variable
 * VTK_SMP_IMPLEMENTATION_TYPE) may improve performance significantly.
 *
 * @sa
 * vtkFiltersPointsFilter vtkRadiusOutlierRemoval vtkStatisticalOutlierRemoval
 * vtkThresholdPoints vtkImplicitFunction vtkExtractGeoemtry
 * vtkFitImplicitFunction
*/
#ifndef vtkExtractHierarchicalBins_h
#define vtkExtractHierarchicalBins_h
#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkPointCloudFilter.h"
class vtkHierarchicalBinningFilter;
class vtkPointSet;
class VTKFILTERSPOINTS_EXPORT vtkExtractHierarchicalBins : public vtkPointCloudFilter
{
public:
  //@{
  /**
   * Standard methods for instantiating, obtaining type information, and
   * printing information.
   */
  static vtkExtractHierarchicalBins *New();
  vtkTypeMacro(vtkExtractHierarchicalBins,vtkPointCloudFilter);
  void PrintSelf(ostream& os, vtkIndent indent);
  //@}
  //@{
  /**
   * Specify the level to extract. If non-negative, with a negative bin
   * number, then all points at this level are extracted and sent to the
   * output. If negative, then the points from the specified bin are sent to
   * the output. If both the level and bin number are negative values, then the
   * input is sent to the output. By default the 0th level is extracted.
   */
  vtkSetMacro(Level,int);
  vtkGetMacro(Level,int);
  //@}
  //@{
  /**
   * Specify the bin number to extract. If a non-negative value, then the
   * points from the bin number specified are extracted. If negative, then
   * entire levels of points are extacted (assuming the Level is
   * non-negative). Note that the bin tree is flattened, a particular
   * bin number may refer to a bin on any level.
   */
  vtkSetMacro(Bin,int);
  vtkGetMacro(Bin,int);
  //@}
  //@{
  /**
   * Specify the vtkHierarchicalBinningFilter to query for relavant
   * information. Make sure that this filter has executed prior to the execution of
   * this filter. (This is generally a safe bet if connected in a pipeline.)
   */
  virtual void SetBinningFilter(vtkHierarchicalBinningFilter*);
  vtkGetObjectMacro(BinningFilter,vtkHierarchicalBinningFilter);
  //@}
protected:
  vtkExtractHierarchicalBins();
  ~vtkExtractHierarchicalBins();
  // Users can extract points from a particular level or bin.
  int Level;
  int Bin;
  vtkHierarchicalBinningFilter *BinningFilter;
  // for the binning filter
  void ReportReferences(vtkGarbageCollector*) VTK_OVERRIDE;
  // All derived classes must implement this method. Note that a side effect of
  // the class is to populate the PointMap. Zero is returned if there is a failure.
  virtual int FilterPoints(vtkPointSet *input);
private:
  vtkExtractHierarchicalBins(const vtkExtractHierarchicalBins&) VTK_DELETE_FUNCTION;
  void operator=(const vtkExtractHierarchicalBins&) VTK_DELETE_FUNCTION;
};
#endif
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