VTK  9.2.6
vtkCirclePackLayout.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCirclePackLayout.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  -------------------------------------------------------------------------*/
48 #ifndef vtkCirclePackLayout_h
49 #define vtkCirclePackLayout_h
50 
51 #include "vtkInfovisLayoutModule.h" // For export macro
52 #include "vtkTreeAlgorithm.h"
53 
55 class vtkDoubleArray;
56 class vtkDataArray;
57 class vtkTree;
58 
59 class VTKINFOVISLAYOUT_EXPORT vtkCirclePackLayout : public vtkTreeAlgorithm
60 {
61 public:
63 
65  void PrintSelf(ostream& os, vtkIndent indent) override;
66 
68 
74  vtkGetStringMacro(CirclesFieldName);
75  vtkSetStringMacro(CirclesFieldName);
77 
82  virtual void SetSizeArrayName(const char* name)
83  {
85  }
86 
88 
91  vtkGetObjectMacro(LayoutStrategy, vtkCirclePackLayoutStrategy);
94 
101  vtkIdType FindVertex(double pnt[2], double* cinfo = nullptr);
102 
107  void GetBoundingCircle(vtkIdType id, double* cinfo);
108 
112  vtkMTimeType GetMTime() override;
113 
114 protected:
117 
120 
122 
123 private:
124  vtkCirclePackLayout(const vtkCirclePackLayout&) = delete;
125  void operator=(const vtkCirclePackLayout&) = delete;
126  void prepareSizeArray(vtkDoubleArray* mySizeArray, vtkTree* tree);
127 };
128 
129 #endif
virtual void SetInputArrayToProcess(int idx, int port, int connection, int fieldAssociation, const char *name)
Set the input data arrays that this algorithm will process.
abstract superclass for all circle packing layout strategies.
layout a vtkTree as a circle packing.
static vtkCirclePackLayout * New()
void GetBoundingCircle(vtkIdType id, double *cinfo)
Return the Xcenter, Ycenter, and Radius of the vertex's bounding circle.
virtual void SetSizeArrayName(const char *name)
The array to use for the size of each vertex.
vtkIdType FindVertex(double pnt[2], double *cinfo=nullptr)
Returns the vertex id that contains pnt (or -1 if no one contains it) pnt[0] is x,...
vtkCirclePackLayoutStrategy * LayoutStrategy
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
void SetLayoutStrategy(vtkCirclePackLayoutStrategy *strategy)
The strategy to use when laying out the tree map.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkCirclePackLayout() override
vtkMTimeType GetMTime() override
Get the modification time of the layout algorithm.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:165
@ FIELD_ASSOCIATION_VERTICES
dynamic, self-adjusting array of double
a simple class to control print indentation
Definition: vtkIndent.h:119
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
Superclass for algorithms that produce only Tree as output.
A rooted tree data structure.
Definition: vtkTree.h:170
@ name
Definition: vtkX3D.h:225
int vtkIdType
Definition: vtkType.h:332
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:287