vtkPolygonalSurfaceContourLineInterpolator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPolygonalSurfaceContourLineInterpolator.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 vtkPolygonalSurfaceContourLineInterpolator_h
#define vtkPolygonalSurfaceContourLineInterpolator_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkPolyDataContourLineInterpolator.h"
 
class vtkDijkstraGraphGeodesicPath;
class vtkIdList;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkPolygonalSurfaceContourLineInterpolator : public vtkPolyDataContourLineInterpolator
{
public:
 
  vtkTypeMacro(vtkPolygonalSurfaceContourLineInterpolator, vtkPolyDataContourLineInterpolator);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  static vtkPolygonalSurfaceContourLineInterpolator *New();
 
 
  virtual int InterpolateLine( vtkRenderer *ren,
                               vtkContourRepresentation *rep,
                               int idx1, int idx2 );
 
 
  virtual int UpdateNode( vtkRenderer *,
                          vtkContourRepresentation *,
                          double * vtkNotUsed(node), int vtkNotUsed(idx) );
 
 
  vtkSetMacro( DistanceOffset, double );
  vtkGetMacro( DistanceOffset, double );
 
  void GetContourPointIds( vtkContourRepresentation *rep, vtkIdList *idList );
 
protected:
  vtkPolygonalSurfaceContourLineInterpolator();
  ~vtkPolygonalSurfaceContourLineInterpolator();
 
  double         DistanceOffset;
 
private:
  vtkPolygonalSurfaceContourLineInterpolator(const vtkPolygonalSurfaceContourLineInterpolator&);  //Not implemented
  void operator=(const vtkPolygonalSurfaceContourLineInterpolator&);  //Not implemented
 
  // Cache the last used vertex id's (start and end).
  // If they are the same, don't recompute.
  vtkIdType      LastInterpolatedVertexIds[2];
 
  vtkDijkstraGraphGeodesicPath* DijkstraGraphGeodesicPath;
};
 
#endif