vtkITKLabelShapeStatistics.h

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/*==============================================================================
 
  Copyright (c) Laboratory for Percutaneous Surgery (PerkLab)
  Queen's University, Kingston, ON, Canada. All Rights Reserved.
 
  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.
 
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 
  This file was originally developed by Kyle Sunderland, PerkLab, Queen's University
  and was supported through CANARIE's Research Software Program, Cancer
  Care Ontario, OpenAnatomy, and Brigham and Women's Hospital through NIH grant R01MH112748.
 
==============================================================================*/
 
#ifndef __vtkITKLabelShapeStatistics_h
#define __vtkITKLabelShapeStatistics_h
 
#include "vtkITK.h"
 
// VTK includes
#include <vtkMatrix4x4.h>
#include <vtkSmartPointer.h>
#include <vtkTable.h>
#include <vtkTableAlgorithm.h>
#include <vtkVector.h>
 
// vtkAddon includes
#include <vtkAddonSetGet.h>
 
// std includes
#include <vector>
 
class vtkPoints;

class VTK_ITK_EXPORT vtkITKLabelShapeStatistics : public vtkTableAlgorithm
{
public:
  static vtkITKLabelShapeStatistics *New();
  vtkTypeMacro(vtkITKLabelShapeStatistics, vtkTableAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum ShapeStatistic
  {
    Centroid,
    OrientedBoundingBox,
    FeretDiameter,
    Perimeter,
    Roundness,
    Flatness,
    Elongation,
    PrincipalMoments,
    // Principal axes of rotation
    PrincipalAxes,
    ShapeStatistic_Last,
  };
 
  static std::string GetShapeStatisticAsString(ShapeStatistic statistic);
  static ShapeStatistic GetShapeStatisticFromString(std::string statisticName);
 
  vtkSetObjectMacro(Directions, vtkMatrix4x4);
  vtkSetStdVectorMacro(ComputedStatistics, std::vector<std::string>);
  vtkGetStdVectorMacro(ComputedStatistics, std::vector<std::string>);

  void SetComputeShapeStatistic(std::string statisticName, bool state);
  bool GetComputeShapeStatistic(std::string statisticName);
  void ComputeShapeStatisticOn(std::string statisticName);
  void ComputeShapeStatisticOff(std::string statisticName);
 
protected:
  vtkITKLabelShapeStatistics();
  ~vtkITKLabelShapeStatistics() override;
 
  int FillInputPortInformation(int vtkNotUsed(port), vtkInformation* info) override;
  int RequestData(vtkInformation* request,
    vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
protected:
  std::vector<std::string> ComputedStatistics;
  vtkMatrix4x4* Directions;
 
private:
  vtkITKLabelShapeStatistics(const vtkITKLabelShapeStatistics&) = delete;
  void operator=(const vtkITKLabelShapeStatistics&) = delete;
};
 
#endif