---

Filtering/vtkImplicitWindowFunction.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImplicitWindowFunction.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkImplicitWindowFunction_h
#define __vtkImplicitWindowFunction_h

#include "vtkImplicitFunction.h"

class VTK_FILTERING_EXPORT vtkImplicitWindowFunction : public vtkImplicitFunction
{
public:
  vtkTypeRevisionMacro(vtkImplicitWindowFunction,vtkImplicitFunction);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkImplicitWindowFunction *New();


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

  void EvaluateGradient(float x[3], float n[3]);


  virtual void SetImplicitFunction(vtkImplicitFunction*);
  vtkGetObjectMacro(ImplicitFunction,vtkImplicitFunction);


  vtkSetVector2Macro(WindowRange,float);
  vtkGetVectorMacro(WindowRange,float,2);


  vtkSetVector2Macro(WindowValues,float);
  vtkGetVectorMacro(WindowValues,float,2);

  unsigned long GetMTime();

protected:
  vtkImplicitWindowFunction();
  ~vtkImplicitWindowFunction();

  vtkImplicitFunction *ImplicitFunction;
  float WindowRange[2];
  float WindowValues[2];

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

#endif

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