vtkSignedDistance.h

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

  Program:   Visualization Toolkit
  Module:    vtkSignedDistance.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.

=========================================================================*/
#ifndef vtkSignedDistance_h
#define vtkSignedDistance_h

#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkImageAlgorithm.h"

class vtkPolyData;
class vtkAbstractPointLocator;


class VTKFILTERSPOINTS_EXPORT vtkSignedDistance : public vtkImageAlgorithm
{
public:

  static vtkSignedDistance *New();
  vtkTypeMacro(vtkSignedDistance,vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkGetVectorMacro(Dimensions,int,3);
  void SetDimensions(int i, int j, int k);
  void SetDimensions(const int dim[3]);


  vtkSetVector6Macro(Bounds,double);
  vtkGetVectorMacro(Bounds,double,6);


  vtkSetClampMacro(Radius,double,0.0,VTK_FLOAT_MAX);
  vtkGetMacro(Radius,double);


  void SetLocator(vtkAbstractPointLocator *locator);
  vtkGetObjectMacro(Locator,vtkAbstractPointLocator);

  void StartAppend();

  void Append(vtkPolyData *input);

  void EndAppend();

  // See the vtkAlgorithm for a description of what these do
  int ProcessRequest(vtkInformation*,
                     vtkInformationVector**,
                     vtkInformationVector*) override;

protected:
  vtkSignedDistance();
  ~vtkSignedDistance() override;

  int Dimensions[3];
  double Bounds[6];
  double Radius;
  vtkAbstractPointLocator *Locator;

  // Flag tracks whether process needs initialization
  int Initialized;

  int RequestInformation (vtkInformation *,
                                  vtkInformationVector **,
                                  vtkInformationVector *) override;
  int RequestData (vtkInformation *,
                           vtkInformationVector **, vtkInformationVector *) override;
  int FillInputPortInformation(int, vtkInformation*) override;

private:
  vtkSignedDistance(const vtkSignedDistance&) = delete;
  void operator=(const vtkSignedDistance&) = delete;

};

#endif