vtkRuledSurfaceFilter.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkRuledSurfaceFilter.h,v $

  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 __vtkRuledSurfaceFilter_h
#define __vtkRuledSurfaceFilter_h

#include "vtkPolyDataAlgorithm.h"

class vtkIdList;
class vtkPoints;
class vtkPolyData;

#define VTK_RULED_MODE_RESAMPLE 0
#define VTK_RULED_MODE_POINT_WALK 1

class VTK_GRAPHICS_EXPORT vtkRuledSurfaceFilter : public vtkPolyDataAlgorithm
{
public:
  vtkTypeRevisionMacro(vtkRuledSurfaceFilter,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkRuledSurfaceFilter *New();


  vtkSetClampMacro(DistanceFactor,double,1.0,VTK_DOUBLE_MAX);
  vtkGetMacro(DistanceFactor,double);


  vtkSetClampMacro(OnRatio,int,1,VTK_LARGE_INTEGER);
  vtkGetMacro(OnRatio,int);


  vtkSetClampMacro(Offset,int,0,VTK_LARGE_INTEGER);
  vtkGetMacro(Offset,int);


  vtkSetMacro(CloseSurface,int);
  vtkGetMacro(CloseSurface,int);
  vtkBooleanMacro(CloseSurface,int);


  vtkSetClampMacro(RuledMode,int,
                   VTK_RULED_MODE_RESAMPLE,VTK_RULED_MODE_POINT_WALK);
  vtkGetMacro(RuledMode,int);
  void SetRuledModeToResample()
    {this->SetRuledMode(VTK_RULED_MODE_RESAMPLE);}
  void SetRuledModeToPointWalk()
    {this->SetRuledMode(VTK_RULED_MODE_POINT_WALK);}
  const char *GetRuledModeAsString();


  vtkSetVector2Macro(Resolution, int);
  vtkGetVectorMacro(Resolution, int, 2);


  vtkSetMacro(PassLines,int);
  vtkGetMacro(PassLines,int);
  vtkBooleanMacro(PassLines,int);

protected:
  vtkRuledSurfaceFilter();
  ~vtkRuledSurfaceFilter();

  // Usual data generation method
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  double DistanceFactor;
  int   OnRatio;
  int   Offset;
  int   CloseSurface;
  int   RuledMode;
  int   Resolution[2];
  int   PassLines;
  
private:
  vtkIdList *Ids;
  double     Weights[4];

  void  Resample(vtkPolyData *output, vtkPolyData *input,
                 vtkPoints *inPts, vtkPoints *newPts, 
                 int npts, vtkIdType *pts, int npts2, vtkIdType *pts2);
  void  PointWalk(vtkPolyData *output, vtkPoints *inPts, 
                  int npts, vtkIdType *pts, int npts2, vtkIdType *pts2);
  
private:
  vtkRuledSurfaceFilter(const vtkRuledSurfaceFilter&);  // Not implemented.
  void operator=(const vtkRuledSurfaceFilter&);  // Not implemented.
};

#endif

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