VTK  9.3.1
vtkSquarifyLayoutStrategy.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
3 // SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
24 #ifndef vtkSquarifyLayoutStrategy_h
25 #define vtkSquarifyLayoutStrategy_h
26 
27 #include "vtkInfovisLayoutModule.h" // For export macro
29 
30 VTK_ABI_NAMESPACE_BEGIN
31 class vtkIdList;
32 
33 class VTKINFOVISLAYOUT_EXPORT vtkSquarifyLayoutStrategy : public vtkTreeMapLayoutStrategy
34 {
35 public:
38  void PrintSelf(ostream& os, vtkIndent indent) override;
39 
44  void Layout(vtkTree* inputTree, vtkDataArray* coordsArray, vtkDataArray* sizeArray) override;
45 
46 protected:
48  ~vtkSquarifyLayoutStrategy() override;
49 
50 private:
51  void LayoutChildren(vtkTree* tree, vtkDataArray* coordsArray, vtkDataArray* sizeArray,
52  vtkIdType nchildren, vtkIdType parent, vtkIdType begin, float minX, float maxX, float minY,
53  float maxY);
54 
56  void operator=(const vtkSquarifyLayoutStrategy&) = delete;
57 };
58 
59 VTK_ABI_NAMESPACE_END
60 #endif
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:315
a simple class to control print indentation
Definition: vtkIndent.h:28
list of point or cell ids
Definition: vtkIdList.h:22
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:44
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:45