VTK
vtkCosmicTreeLayoutStrategy.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCosmicTreeLayoutStrategy.h
5 
6 =========================================================================*/
7 /*----------------------------------------------------------------------------
8  Copyright (c) Sandia Corporation
9  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
10 ----------------------------------------------------------------------------*/
32 #ifndef __vtkCosmicTreeLayoutStrategy_h
33 #define __vtkCosmicTreeLayoutStrategy_h
34 
35 #include "vtkInfovisLayoutModule.h" // For export macro
36 #include "vtkGraphLayoutStrategy.h"
37 
38 class vtkDoubleArray;
39 class vtkDataArray;
40 class vtkPoints;
41 class vtkTree;
42 
43 class VTKINFOVISLAYOUT_EXPORT vtkCosmicTreeLayoutStrategy : public vtkGraphLayoutStrategy
44 {
45 public:
46  static vtkCosmicTreeLayoutStrategy* New();
47  virtual void PrintSelf( ostream& os, vtkIndent indent );
48  vtkTypeMacro(vtkCosmicTreeLayoutStrategy,vtkGraphLayoutStrategy);
49 
51  virtual void Layout();
52 
54 
59  vtkSetMacro(SizeLeafNodesOnly,int);
60  vtkGetMacro(SizeLeafNodesOnly,int);
61  vtkBooleanMacro(SizeLeafNodesOnly,int);
63 
65 
70  vtkSetMacro(LayoutDepth,int);
71  vtkGetMacro(LayoutDepth,int);
73 
75 
81  vtkSetMacro(LayoutRoot,vtkIdType);
82  vtkGetMacro(LayoutRoot,vtkIdType);
84 
86 
89  vtkSetStringMacro(NodeSizeArrayName);
90  vtkGetStringMacro(NodeSizeArrayName);
92 
93 protected:
94 
95  //BTX
97  enum RadiusMode
98  {
99  NONE,
100  LEAVES,
101  ALL
102  };
103  //ETX
104 
105  vtkCosmicTreeLayoutStrategy();
106  virtual ~vtkCosmicTreeLayoutStrategy();
107 
108  //BTX
110 
111  void LayoutChildren(
112  vtkTree* tree, vtkPoints* newPoints, vtkDoubleArray* radii, vtkDoubleArray* scale,
113  vtkIdType root, int depth, RadiusMode mode );
115 
117 
121  void OffsetChildren(
122  vtkTree* tree, vtkPoints* pts, vtkDoubleArray* radii, vtkDoubleArray* scale,
123  double parent[4], vtkIdType root, int depth, RadiusMode mode );
124  //ETX
126 
135  vtkDoubleArray* CreateRadii( vtkIdType numVertices, double initialValue, vtkDataArray* inputRadii );
136 
141  vtkDoubleArray* CreateScaleFactors( vtkIdType numVertices );
142 
143  int SizeLeafNodesOnly;
144  int LayoutDepth;
145  vtkIdType LayoutRoot;
146  char* NodeSizeArrayName;
147 
148 private:
149  vtkCosmicTreeLayoutStrategy( const vtkCosmicTreeLayoutStrategy& ); // Not implemented.
150  void operator = ( const vtkCosmicTreeLayoutStrategy& ); // Not implemented.
151 };
152 
153 #endif // __vtkCosmicTreeLayoutStrategy_h
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