VTK
vtkSquarifyLayoutStrategy.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkSquarifyLayoutStrategy.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 -------------------------------------------------------------------------*/
37 #ifndef vtkSquarifyLayoutStrategy_h
38 #define vtkSquarifyLayoutStrategy_h
39 
40 #include "vtkInfovisLayoutModule.h" // For export macro
42 
43 class vtkIdList;
44 
45 class VTKINFOVISLAYOUT_EXPORT vtkSquarifyLayoutStrategy : public vtkTreeMapLayoutStrategy
46 {
47 public:
50  void PrintSelf(ostream& os, vtkIndent indent) override;
51 
56  void Layout(
57  vtkTree* inputTree,
58  vtkDataArray* coordsArray,
59  vtkDataArray* sizeArray) override;
60 
61 protected:
63  ~vtkSquarifyLayoutStrategy() override;
64 
65 private:
66 
67  void LayoutChildren(
68  vtkTree *tree,
69  vtkDataArray *coordsArray,
70  vtkDataArray *sizeArray,
71  vtkIdType nchildren,
72  vtkIdType parent,
73  vtkIdType begin,
74  float minX, float maxX,
75  float minY, float maxY);
76 
78  void operator=(const vtkSquarifyLayoutStrategy&) = delete;
79 };
80 
81 #endif
82 
virtual void Layout(vtkTree *inputTree, vtkDataArray *areaArray, vtkDataArray *sizeArray)=0
Perform the layout of the input tree, and store the sector bounds of each vertex as a tuple in a data...
int vtkIdType
Definition: vtkType.h:345
a simple class to control print indentation
Definition: vtkIndent.h:33
list of point or cell ids
Definition: vtkIdList.h:30
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:48
uses the squarify tree map layout algorithm
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
abstract superclass for all tree map layout strategies
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
A rooted tree data structure.
Definition: vtkTree.h:54