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
50#include "vtkInfovisLayoutModule.h" // For export macro
51
52class vtkPoints;
53
54class VTKINFOVISLAYOUT_EXPORT vtkConeLayoutStrategy : public vtkGraphLayoutStrategy
55{
56public:
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
104protected:
107
116 double LocalPlacement(vtkIdType root, vtkPoints* points);
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;
132
133private:
135 void operator=(const vtkConeLayoutStrategy&) = delete;
136};
137
138#endif
produce a cone-tree layout for a forest
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.
static vtkConeLayoutStrategy * New()
~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:113
represent and manipulate 3D points
Definition: vtkPoints.h:143
int vtkTypeBool
Definition: vtkABI.h:69
int vtkIdType
Definition: vtkType.h:332