VTK  9.0.3
vtkLabelHierarchyIterator.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkLabelHierarchyIterator.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 -------------------------------------------------------------------------*/
28 #ifndef vtkLabelHierarchyIterator_h
29 #define vtkLabelHierarchyIterator_h
30 
31 #include "vtkObject.h"
32 #include "vtkRenderingLabelModule.h" // For export macro
33 #include "vtkStdString.h" // for std string
34 #include "vtkUnicodeString.h" // for unicode string
35 
36 class vtkIdTypeArray;
37 class vtkLabelHierarchy;
38 class vtkPolyData;
39 
40 class VTKRENDERINGLABEL_EXPORT vtkLabelHierarchyIterator : public vtkObject
41 {
42 public:
44  void PrintSelf(ostream& os, vtkIndent indent) override;
45 
52  virtual void Begin(vtkIdTypeArray*) {}
53 
57  virtual void Next() {}
58 
62  virtual bool IsAtEnd() { return true; }
63 
67  virtual void GetPoint(double x[3]);
68 
72  virtual void GetSize(double sz[2]);
73 
77  virtual void GetBoundedSize(double sz[2]);
78 
82  virtual int GetType();
83 
88 
93 
97  virtual double GetOrientation();
98 
102  virtual vtkIdType GetLabelId() { return -1; }
103 
105 
108  vtkGetObjectMacro(Hierarchy, vtkLabelHierarchy);
110 
116 
123  virtual void GetNodeGeometry(double ctr[3], double& size) = 0;
124 
130  virtual void BoxNode();
131 
137  virtual void BoxAllNodes(vtkPolyData*);
138 
140 
146  vtkSetMacro(AllBounds, int);
147  vtkGetMacro(AllBounds, int);
149 
150 protected:
153 
154  void BoxNodeInternal3(const double* ctr, double sz);
155  void BoxNodeInternal2(const double* ctr, double sz);
156 
161 
164  double BoundsFactor;
167 
168 private:
170  void operator=(const vtkLabelHierarchyIterator&) = delete;
171 };
172 
173 #endif // vtkLabelHierarchyIterator_h
vtkFrustumSelector is a vtkSelector that selects elements based on whether they are inside or interse...
dynamic, self-adjusting array of vtkIdType
a simple class to control print indentation
Definition: vtkIndent.h:34
iterator over vtkLabelHierarchy
virtual void Next()
Advance the iterator.
virtual void SetTraversedBounds(vtkPolyData *)
Sets a polydata to fill with geometry representing the bounding boxes of the traversed octree nodes.
virtual void SetHierarchy(vtkLabelHierarchy *h)
The hierarchy being traversed by this iterator.
virtual void GetPoint(double x[3])
Retrieves the current label location.
virtual void BoxNode()
Add a representation to TraversedBounds for the current octree node.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual vtkUnicodeString GetUnicodeLabel()
Retrieves the current label as a unicode string.
virtual vtkStdString GetLabel()
Retrieves the current label string.
virtual void GetNodeGeometry(double ctr[3], double &size)=0
Retrieve the coordinates of the center of the current hierarchy node and the size of the node.
virtual bool IsAtEnd()
Returns true if the iterator is at the end.
virtual vtkIdType GetLabelId()
Retrieves the current label id.
virtual void Begin(vtkIdTypeArray *)
Initializes the iterator.
virtual void BoxAllNodes(vtkPolyData *)
Add a representation for all existing octree nodes to the specified polydata.
virtual void GetBoundedSize(double sz[2])
Retrieves the current label maximum width in world coordinates.
~vtkLabelHierarchyIterator() override
virtual int GetType()
Retrieves the current label type.
void BoxNodeInternal3(const double *ctr, double sz)
virtual void GetSize(double sz[2])
Retrieves the current label size.
virtual double GetOrientation()
Retrieves the current label orientation.
void BoxNodeInternal2(const double *ctr, double sz)
contains an octree of labels
abstract base class for most VTK objects
Definition: vtkObject.h:54
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:85
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:35
String class that stores Unicode text.
@ size
Definition: vtkX3D.h:259
int vtkIdType
Definition: vtkType.h:338