dox/Infovis/vtkSplineGraphEdges.h

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

  Program:   Visualization Toolkit
  Module:    vtkSplineGraphEdges.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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef __vtkSplineGraphEdges_h
#define __vtkSplineGraphEdges_h

#include "vtkGraphAlgorithm.h"
#include "vtkSmartPointer.h" // For ivars

class vtkSpline;

class VTK_INFOVIS_EXPORT vtkSplineGraphEdges : public vtkGraphAlgorithm 
{
public:
  static vtkSplineGraphEdges *New();
  vtkTypeMacro(vtkSplineGraphEdges,vtkGraphAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetSpline(vtkSpline* s);
  vtkGetObjectMacro(Spline, vtkSpline);

  //BTX
  enum
    {
    BSPLINE = 0,
    CUSTOM
    };
  //ETX


  vtkSetMacro(SplineType, int);
  vtkGetMacro(SplineType, int);


  vtkSetMacro(NumberOfSubdivisions, vtkIdType);
  vtkGetMacro(NumberOfSubdivisions, vtkIdType);

protected:
  vtkSplineGraphEdges();
  ~vtkSplineGraphEdges();

  virtual int RequestData(
    vtkInformation *,
    vtkInformationVector **,
    vtkInformationVector *);

  virtual unsigned long GetMTime();

  void GeneratePoints(vtkGraph* g, vtkIdType e);
  void GenerateBSpline(vtkGraph* g, vtkIdType e);

  vtkSpline* Spline;

  int SplineType;

  //BTX
  vtkSmartPointer<vtkSpline> XSpline;
  vtkSmartPointer<vtkSpline> YSpline;
  vtkSmartPointer<vtkSpline> ZSpline;
  //ETX

  vtkIdType NumberOfSubdivisions;

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

#endif

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