vtkMultiObjectMassProperties.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMultiObjectMassProperties.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 vtkMultiObjectMassProperties_h
#define vtkMultiObjectMassProperties_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class vtkDoubleArray;
class vtkUnsignedCharArray;
class vtkIdTypeArray;
 
class VTKFILTERSCORE_EXPORT vtkMultiObjectMassProperties : public vtkPolyDataAlgorithm
{
public:
 
  static vtkMultiObjectMassProperties* New();
  vtkTypeMacro(vtkMultiObjectMassProperties, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetMacro(SkipValidityCheck, vtkTypeBool);
  vtkGetMacro(SkipValidityCheck, vtkTypeBool);
  vtkBooleanMacro(SkipValidityCheck, vtkTypeBool);
 
  vtkIdType GetNumberOfObjects() { return this->NumberOfObjects; }
 
  vtkTypeBool GetAllValid() { return this->AllValid; }
 
  double GetTotalVolume() { return this->TotalVolume; }
 
  double GetTotalArea() { return this->TotalArea; }
 
protected:
  vtkMultiObjectMassProperties();
  ~vtkMultiObjectMassProperties() override;
 
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  // Data members supporting API
  vtkTypeBool SkipValidityCheck;
  vtkTypeBool AllValid;
  double TotalVolume;
  double TotalArea;
 
  // Internal data members supporting algorithm execution
  vtkIdType NumberOfObjects; // number of objects identified
  vtkIdTypeArray* ObjectIds; // for each input polygon, the object id that the polygon is in
 
  vtkUnsignedCharArray* ObjectValidity; // is it a valid object?
  vtkDoubleArray* ObjectVolumes;        // what is the object volume (if valid)?
  vtkDoubleArray* ObjectAreas;          // what is the total object area?
 
  vtkIdList* CellNeighbors; // avoid repetitive new/delete
  vtkIdList* Wave;          // processing wave
  vtkIdList* Wave2;
 
  // Connected traversal to identify objects
  void TraverseAndMark(
    vtkPolyData* output, vtkIdType* objectIds, vtkDataArray* valid, unsigned char* orient);
 
private:
  vtkMultiObjectMassProperties(const vtkMultiObjectMassProperties&) = delete;
  void operator=(const vtkMultiObjectMassProperties&) = delete;
};
 
#endif