dox/Filtering/vtkImplicitHalo.h

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

  Program:   Visualization Toolkit
  Module:    vtkImplicitHalo.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 __vtkImplicitHalo_h
#define __vtkImplicitHalo_h

#include "vtkImplicitFunction.h"

class VTK_FILTERING_EXPORT vtkImplicitHalo : public vtkImplicitFunction
{
public:
  static vtkImplicitHalo *New();

  vtkTypeMacro(vtkImplicitHalo,vtkImplicitFunction);
  void PrintSelf(ostream& os, vtkIndent indent);
  

  virtual double EvaluateFunction(double x[3]);
  virtual double EvaluateFunction(double x, double y, double z)
    {
      return this->vtkImplicitFunction::EvaluateFunction(x, y, z);
    }

  void EvaluateGradient(double x[3], double g[3]);


  vtkSetMacro(Radius,double);
  vtkGetMacro(Radius,double);
  

  vtkSetVector3Macro(Center,double);
  vtkGetVector3Macro(Center,double);
  

  vtkSetMacro(FadeOut,double);
  vtkGetMacro(FadeOut,double);
  
protected:
  vtkImplicitHalo();
  virtual ~vtkImplicitHalo();

  double Radius;
  double Center[3];
  double FadeOut;

private:
  vtkImplicitHalo(const vtkImplicitHalo&); // Not implemented.
  void operator=(const vtkImplicitHalo&); // Not implemented.
};

#endif