vtkPointSource.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPointSource_h
#define vtkPointSource_h

#include "vtkFiltersSourcesModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO

#define VTK_POINT_SHELL 0
#define VTK_POINT_UNIFORM 1
#define VTK_POINT_EXPONENTIAL 2

VTK_ABI_NAMESPACE_BEGIN
class vtkRandomSequence;

class VTKFILTERSSOURCES_EXPORT VTK_MARSHALAUTO vtkPointSource : public vtkPolyDataAlgorithm
{
public:

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


  vtkSetClampMacro(NumberOfPoints, vtkIdType, 1, VTK_ID_MAX);
  vtkGetMacro(NumberOfPoints, vtkIdType);


  vtkSetVector3Macro(Center, double);
  vtkGetVectorMacro(Center, double, 3);


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


  vtkSetClampMacro(Distribution, int, VTK_POINT_SHELL, VTK_POINT_EXPONENTIAL);
  void SetDistributionToShell() { this->SetDistribution(VTK_POINT_SHELL); }
  void SetDistributionToUniform() { this->SetDistribution(VTK_POINT_UNIFORM); }
  void SetDistributionToExponential() { this->SetDistribution(VTK_POINT_EXPONENTIAL); }
  vtkGetMacro(Distribution, int);


  vtkSetMacro(Lambda, double);
  vtkGetMacro(Lambda, double);


  vtkSetMacro(OutputPointsPrecision, int);
  vtkGetMacro(OutputPointsPrecision, int);


  virtual void SetRandomSequence(vtkRandomSequence* randomSequence);
  vtkGetObjectMacro(RandomSequence, vtkRandomSequence);

protected:
  vtkPointSource(vtkIdType numPts = 10);
  ~vtkPointSource() override;

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

  double Random();

  vtkIdType NumberOfPoints;
  double Center[3];
  double Radius;
  int Distribution;
  double Lambda;
  int OutputPointsPrecision;
  vtkRandomSequence* RandomSequence;

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

VTK_ABI_NAMESPACE_END
#endif