vtkPlaneCutter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPlaneCutter.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 vtkPlaneCutter_h
#define vtkPlaneCutter_h
 
#include "vtkDataObjectAlgorithm.h"
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkSmartPointer.h"      // For SmartPointer
#include <map>                    // For std::map
 
class vtkCellArray;
class vtkCellData;
class vtkImageData;
class vtkMultiPieceDataSet;
class vtkPlane;
class vtkPointData;
class vtkPoints;
class vtkSphereTree;
class vtkStructuredGrid;
class vtkUnstructuredGrid;
 
class VTKFILTERSCORE_EXPORT vtkPlaneCutter : public vtkDataObjectAlgorithm
{
public:
 
  static vtkPlaneCutter* New();
  vtkTypeMacro(vtkPlaneCutter, vtkDataObjectAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  vtkMTimeType GetMTime() override;
 
 
  virtual void SetPlane(vtkPlane*);
  vtkGetObjectMacro(Plane, vtkPlane);
 
 
  vtkSetMacro(ComputeNormals, bool);
  vtkGetMacro(ComputeNormals, bool);
  vtkBooleanMacro(ComputeNormals, bool);
 
 
  vtkSetMacro(InterpolateAttributes, bool);
  vtkGetMacro(InterpolateAttributes, bool);
  vtkBooleanMacro(InterpolateAttributes, bool);
 
 
  vtkSetMacro(GeneratePolygons, bool);
  vtkGetMacro(GeneratePolygons, bool);
  vtkBooleanMacro(GeneratePolygons, bool);
 
 
  vtkSetMacro(BuildTree, bool);
  vtkGetMacro(BuildTree, bool);
  vtkBooleanMacro(BuildTree, bool);
 
 
  vtkSetMacro(BuildHierarchy, bool);
  vtkGetMacro(BuildHierarchy, bool);
  vtkBooleanMacro(BuildHierarchy, bool);
 
protected:
  vtkPlaneCutter();
  ~vtkPlaneCutter() override;
 
  vtkPlane* Plane;
  bool ComputeNormals;
  bool InterpolateAttributes;
  bool GeneratePolygons;
  bool BuildTree;
  bool BuildHierarchy;
 
  // Helpers
  vtkSphereTree* GetSphereTree(vtkDataSet*);
  std::map<vtkDataSet*, vtkSmartPointer<vtkSphereTree>> SphereTrees;
 
  // Pipeline-related methods
  int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
  int FillOutputPortInformation(int port, vtkInformation* info) override;
 
  virtual int ExecuteDataSet(vtkDataSet* input, vtkSphereTree* tree, vtkMultiPieceDataSet* output);
 
  static void AddNormalArray(double* planeNormal, vtkDataSet* ds);
  static void InitializeOutput(vtkMultiPieceDataSet* output);
 
private:
  vtkPlaneCutter(const vtkPlaneCutter&) = delete;
  void operator=(const vtkPlaneCutter&) = delete;
};
 
#endif