dox/Filtering/vtkPolyPlane.h

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

  Program:   Visualization Toolkit
  Module:    vtkPolyPlane.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 __vtkPolyPlane_h
#define __vtkPolyPlane_h

#include "vtkImplicitFunction.h"

class vtkPolyLine;
class vtkDoubleArray;

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

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


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

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


  virtual void SetPolyLine( vtkPolyLine * );
  vtkGetObjectMacro( PolyLine, vtkPolyLine );

  virtual unsigned long GetMTime();

protected:
  vtkPolyPlane();
  ~vtkPolyPlane();

  void ComputeNormals();

  double           ExtrusionDirection[3];
  vtkPolyLine    * PolyLine;
  vtkTimeStamp     NormalComputeTime;
  vtkDoubleArray * Normals;
  vtkIdType        ClosestPlaneIdx;

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

#endif