VTK  9.0.1
vtkGraphLayout.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkGraphLayout.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 -------------------------------------------------------------------------*/
34 #ifndef vtkGraphLayout_h
35 #define vtkGraphLayout_h
36 
37 #include "vtkGraphAlgorithm.h"
38 #include "vtkInfovisLayoutModule.h" // For export macro
39 
43 
44 class VTKINFOVISLAYOUT_EXPORT vtkGraphLayout : public vtkGraphAlgorithm
45 {
46 public:
47  static vtkGraphLayout* New();
49  void PrintSelf(ostream& os, vtkIndent indent) override;
50 
52 
55  void SetLayoutStrategy(vtkGraphLayoutStrategy* strategy);
56  vtkGetObjectMacro(LayoutStrategy, vtkGraphLayoutStrategy);
58 
62  virtual int IsLayoutComplete();
63 
67  vtkMTimeType GetMTime() override;
68 
70 
76  vtkGetMacro(ZRange, double);
77  vtkSetMacro(ZRange, double);
79 
81 
84  vtkGetObjectMacro(Transform, vtkAbstractTransform);
85  virtual void SetTransform(vtkAbstractTransform* t);
87 
89 
92  vtkSetMacro(UseTransform, bool);
93  vtkGetMacro(UseTransform, bool);
94  vtkBooleanMacro(UseTransform, bool);
96 
97 protected:
99  ~vtkGraphLayout() override;
100 
102 
108 
110 
111 private:
112  vtkGraph* LastInput;
113  vtkGraph* InternalGraph;
114  vtkMTimeType LastInputMTime;
115  bool StrategyChanged;
116  double ZRange;
118  bool UseTransform;
119 
120  vtkGraphLayout(const vtkGraphLayout&) = delete;
121  void operator=(const vtkGraphLayout&) = delete;
122 };
123 
124 #endif
a simple event forwarder command
static vtkGraphAlgorithm * New()
Store vtkAlgorithm input/output information.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:293
Superclass for algorithms that produce only graph as output.
abstract superclass for all graph layout strategies
Base class for graph data types.
Definition: vtkGraph.h:289
a simple class to control print indentation
Definition: vtkIndent.h:33
layout a graph in 2 or 3 dimensions
superclass for all geometric transformations
virtual vtkMTimeType GetMTime()
Return this object's modified time.
vtkEventForwarderCommand * EventForwarder
This intercepts events from the strategy object and re-emits them as if they came from the layout eng...
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkGraphLayoutStrategy * LayoutStrategy
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
This is called by the superclass.
Store zero or more vtkInformation instances.