VTK  9.1.20211115
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(vtkTree* inputTree, vtkDataArray* coordsArray, vtkDataArray* sizeArray) override;
57 
58 protected:
61 
62 private:
63  void LayoutChildren(vtkTree* tree, vtkDataArray* coordsArray, vtkDataArray* sizeArray,
64  vtkIdType nchildren, vtkIdType parent, vtkIdType begin, float minX, float maxX, float minY,
65  float maxY);
66 
68  void operator=(const vtkSquarifyLayoutStrategy&) = delete;
69 };
70 
71 #endif
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:159
list of point or cell ids
Definition: vtkIdList.h:140
a simple class to control print indentation
Definition: vtkIndent.h:113
uses the squarify tree map layout algorithm
static vtkSquarifyLayoutStrategy * New()
void Layout(vtkTree *inputTree, vtkDataArray *coordsArray, vtkDataArray *sizeArray) override
Perform the layout of a tree and place the results as 4-tuples in coordsArray (Xmin,...
~vtkSquarifyLayoutStrategy() override
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
A rooted tree data structure.
Definition: vtkTree.h:164
int vtkIdType
Definition: vtkType.h:332