vtkHyperTreeGridPlaneCutter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkHyperTreeGridPlaneCutter.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 vtkHyperTreeGridPlaneCutter_h
#define vtkHyperTreeGridPlaneCutter_h

#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkHyperTreeGridAlgorithm.h"

class vtkHyperTreeGridCursor;
class vtkCellArray;
class vtkCutter;
class vtkIdList;
class vtkPoints;

class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridPlaneCutter : public vtkHyperTreeGridAlgorithm
{
public:
  static vtkHyperTreeGridPlaneCutter* New();
  vtkTypeMacro( vtkHyperTreeGridPlaneCutter, vtkHyperTreeGridAlgorithm );
  void PrintSelf( ostream&, vtkIndent ) override;


  vtkSetVector4Macro(Plane,double);
  vtkGetVector4Macro(Plane,double);


  vtkSetMacro(Dual,int);
  vtkGetMacro(Dual,int);
  vtkBooleanMacro(Dual,int);

protected:
  vtkHyperTreeGridPlaneCutter();
  ~vtkHyperTreeGridPlaneCutter() override;

  int FillOutputPortInformation( int, vtkInformation* ) override;

  int ProcessTrees( vtkHyperTreeGrid*, vtkDataObject* ) override;

  void RecursivelyProcessTreePrimal( vtkHyperTreeGridCursor*, vtkBitArray* );

  bool RecursivelyPreProcessTree( vtkHyperTreeGridCursor*, vtkBitArray* );

  void RecursivelyProcessTreeDual( vtkHyperTreeGridCursor*, vtkBitArray* );

  bool CheckIntersection( double[8][3], double[8] );

  // Check if a cursor is intersected by a plane.
  // Don't return function evaluations
  bool CheckIntersection( double[8][3] );

  void PlaneCut( int, int, double[8][3], int&, double[][3] );

  void ReorderCutPoints( int, double[][3] );

  double Plane[4];

  int Dual;

  vtkBitArray* SelectedCells;

  vtkPoints* Points;

  vtkCellArray* Cells;

  vtkIdList* Leaves;

  vtkPoints* Centers;

  vtkCutter* Cutter;

private:
  vtkHyperTreeGridPlaneCutter(const vtkHyperTreeGridPlaneCutter&) = delete;
  void operator=(const vtkHyperTreeGridPlaneCutter&) = delete;
};

#endif /* vtkHyperTreeGridPlaneCutter_h */