VTK  9.1.0
vtkConeLayoutStrategy.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkConeLayoutStrategy.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 //-------------------------------------------------------------------------
20 
46 #ifndef vtkConeLayoutStrategy_h
47 #define vtkConeLayoutStrategy_h
48 
49 #include "vtkGraphLayoutStrategy.h"
50 #include "vtkInfovisLayoutModule.h" // For export macro
51 
52 class vtkPoints;
53 
54 class VTKINFOVISLAYOUT_EXPORT vtkConeLayoutStrategy : public vtkGraphLayoutStrategy
55 {
56 public:
58 
60  void PrintSelf(ostream& os, vtkIndent indent) override;
61 
63 
70  vtkSetMacro(Compactness, float);
71  vtkGetMacro(Compactness, float);
73 
75 
82  vtkSetMacro(Compression, vtkTypeBool);
83  vtkGetMacro(Compression, vtkTypeBool);
84  vtkBooleanMacro(Compression, vtkTypeBool);
86 
88 
95  vtkSetMacro(Spacing, float);
96  vtkGetMacro(Spacing, float);
98 
102  void Layout() override;
103 
104 protected:
107 
117 
119  double refX, // absolute x-y coordinate of
120  double refY, // parent node; z coordinate
121  double level); // derived from level.
122 
123  float Compactness; // factor used in mapping layer to Z
124  vtkTypeBool Compression; // force a compact layout?
125  float Spacing; // Scale vertical spacing of cones.
126 
127  // Values accumulated for possible statistical use
128  double MinRadius;
129  double MaxRadius;
130  int NrCones;
131  double SumOfRadii;
132 
133 private:
135  void operator=(const vtkConeLayoutStrategy&) = delete;
136 };
137 
138 #endif
produce a cone-tree layout for a forest
static vtkConeLayoutStrategy * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void Layout() override
Perform the layout.
double LocalPlacement(vtkIdType root, vtkPoints *points)
Helper operations for tree layout.
~vtkConeLayoutStrategy() override
void GlobalPlacement(vtkIdType root, vtkPoints *points, double refX, double refY, double level)
abstract superclass for all graph layout strategies
a simple class to control print indentation
Definition: vtkIndent.h:34
represent and manipulate 3D points
Definition: vtkPoints.h:34
@ points
Definition: vtkX3D.h:452
@ level
Definition: vtkX3D.h:401
int vtkTypeBool
Definition: vtkABI.h:69
int vtkIdType
Definition: vtkType.h:332