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vtkSplineGraphEdges.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkSplineGraphEdges.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 /*-------------------------------------------------------------------------
16  Copyright 2008 Sandia Corporation.
17  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
18  the U.S. Government retains certain rights in this software.
19 -------------------------------------------------------------------------*/
35 #ifndef __vtkSplineGraphEdges_h
36 #define __vtkSplineGraphEdges_h
37 
38 #include "vtkInfovisLayoutModule.h" // For export macro
39 #include "vtkGraphAlgorithm.h"
40 #include "vtkSmartPointer.h" // For ivars
41 
42 class vtkSpline;
43 
44 class VTKINFOVISLAYOUT_EXPORT vtkSplineGraphEdges : public vtkGraphAlgorithm
45 {
46 public:
47  static vtkSplineGraphEdges *New();
48  vtkTypeMacro(vtkSplineGraphEdges,vtkGraphAlgorithm);
49  void PrintSelf(ostream& os, vtkIndent indent);
50 
52 
53  virtual void SetSpline(vtkSpline* s);
54  vtkGetObjectMacro(Spline, vtkSpline);
56 
57  //BTX
58  enum
59  {
60  BSPLINE = 0,
61  CUSTOM
62  };
63  //ETX
64 
66 
68  vtkSetMacro(SplineType, int);
69  vtkGetMacro(SplineType, int);
71 
73 
74  vtkSetMacro(NumberOfSubdivisions, vtkIdType);
75  vtkGetMacro(NumberOfSubdivisions, vtkIdType);
77 
78 protected:
81 
82  virtual int RequestData(
83  vtkInformation *,
84  vtkInformationVector **,
85  vtkInformationVector *);
86 
87  virtual unsigned long GetMTime();
88 
89  void GeneratePoints(vtkGraph* g, vtkIdType e);
90  void GenerateBSpline(vtkGraph* g, vtkIdType e);
91 
92  vtkSpline* Spline;
93 
95 
96  //BTX
97  vtkSmartPointer<vtkSpline> XSpline;
98  vtkSmartPointer<vtkSpline> YSpline;
99  vtkSmartPointer<vtkSpline> ZSpline;
100  //ETX
101 
103 
104 private:
105  vtkSplineGraphEdges(const vtkSplineGraphEdges&); // Not implemented.
106  void operator=(const vtkSplineGraphEdges&); // Not implemented.
107 };
108 
109 #endif
vtkSmartPointer< vtkSpline > ZSpline
subsample graph edges to make smooth curves
vtkSmartPointer< vtkSpline > YSpline
vtkSmartPointer< vtkSpline > XSpline