dox/Filters/Core/vtkHedgeHog.h

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

  Program:   Visualization Toolkit
  Module:    vtkHedgeHog.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 __vtkHedgeHog_h
#define __vtkHedgeHog_h

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

#define VTK_USE_VECTOR 0
#define VTK_USE_NORMAL 1

class VTKFILTERSCORE_EXPORT vtkHedgeHog : public vtkPolyDataAlgorithm
{
public:
  static vtkHedgeHog *New();
  vtkTypeMacro(vtkHedgeHog,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetMacro(ScaleFactor,double);
  vtkGetMacro(ScaleFactor,double);


  vtkSetMacro(VectorMode,int);
  vtkGetMacro(VectorMode,int);
  void SetVectorModeToUseVector() {this->SetVectorMode(VTK_USE_VECTOR);};
  void SetVectorModeToUseNormal() {this->SetVectorMode(VTK_USE_NORMAL);};
  const char *GetVectorModeAsString();

protected:
  vtkHedgeHog();
  ~vtkHedgeHog() {};

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);
  double ScaleFactor;
  int VectorMode; // Orient/scale via normal or via vector data

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


inline const char *vtkHedgeHog::GetVectorModeAsString(void)
{
  if ( this->VectorMode == VTK_USE_VECTOR)
    {
    return "UseVector";
    }
  else if ( this->VectorMode == VTK_USE_NORMAL)
    {
    return "UseNormal";
    }
  else
    {
    return "Unknown";
    }
}
#endif