vtkPointSource.h

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

  Program:   Visualization Toolkit
  Module:    vtkPointSource.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 vtkPointSource_h
#define vtkPointSource_h

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

#define VTK_POINT_UNIFORM   1
#define VTK_POINT_SHELL     0

class vtkRandomSequence;

class VTKFILTERSSOURCES_EXPORT 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);


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


  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;
  int OutputPointsPrecision;
  vtkRandomSequence* RandomSequence;

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

#endif