VTK  9.0.1
vtkDirectedGraphAlgorithm.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkDirectedGraphAlgorithm.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 -------------------------------------------------------------------------*/
43 #ifndef vtkDirectedGraphAlgorithm_h
44 #define vtkDirectedGraphAlgorithm_h
45 
46 #include "vtkAlgorithm.h"
47 #include "vtkCommonExecutionModelModule.h" // For export macro
48 #include "vtkDirectedGraph.h" // makes things a bit easier
49 
50 class vtkDataSet;
51 
52 class VTKCOMMONEXECUTIONMODEL_EXPORT vtkDirectedGraphAlgorithm : public vtkAlgorithm
53 {
54 public:
57  void PrintSelf(ostream& os, vtkIndent indent) override;
58 
64 
68  vtkDirectedGraph* GetOutput() { return this->GetOutput(0); }
69  vtkDirectedGraph* GetOutput(int index);
70 
76  void SetInputData(vtkDataObject* obj) { this->SetInputData(0, obj); }
77  void SetInputData(int index, vtkDataObject* obj);
78 
79 protected:
81  ~vtkDirectedGraphAlgorithm() override;
82 
83  // convenience method
84  virtual int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
85  vtkInformationVector* outputVector);
86 
91  virtual int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
92  vtkInformationVector* outputVector);
93 
98  virtual int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
99 
100  // see algorithm for more info
102  int FillInputPortInformation(int port, vtkInformation* info) override;
103 
104 private:
106  void operator=(const vtkDirectedGraphAlgorithm&) = delete;
107 };
108 
109 #endif
vtkDirectedGraphAlgorithm
Superclass for algorithms that produce only directed graph as output.
Definition: vtkDirectedGraphAlgorithm.h:52
vtkAlgorithm
Superclass for all sources, filters, and sinks in VTK.
Definition: vtkAlgorithm.h:62
vtkAlgorithm::FillInputPortInformation
virtual int FillInputPortInformation(int port, vtkInformation *info)
Fill the input port information objects for this algorithm.
vtkInformationVector
Store zero or more vtkInformation instances.
Definition: vtkInformationVector.h:35
vtkDirectedGraph
A directed graph.
Definition: vtkDirectedGraph.h:44
vtkDirectedGraph.h
vtkAlgorithm.h
vtkX3D::port
@ port
Definition: vtkX3D.h:453
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkDataSet
abstract class to specify dataset behavior
Definition: vtkDataSet.h:56
vtkInformation
Store vtkAlgorithm input/output information.
Definition: vtkInformation.h:73
vtkX3D::info
@ info
Definition: vtkX3D.h:382
vtkAlgorithm::New
static vtkAlgorithm * New()
vtkAlgorithm::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkDirectedGraphAlgorithm::GetOutput
vtkDirectedGraph * GetOutput()
Get the output data object for a port on this algorithm.
Definition: vtkDirectedGraphAlgorithm.h:68
vtkDataObject
general representation of visualization data
Definition: vtkDataObject.h:59
vtkX3D::index
@ index
Definition: vtkX3D.h:252
vtkAlgorithm::ProcessRequest
virtual vtkTypeBool ProcessRequest(vtkInformation *request, vtkInformationVector **inInfo, vtkInformationVector *outInfo)
Upstream/Downstream requests form the generalized interface through which executives invoke a algorit...
vtkAlgorithm::FillOutputPortInformation
virtual int FillOutputPortInformation(int port, vtkInformation *info)
Fill the output port information objects for this algorithm.
vtkTypeBool
int vtkTypeBool
Definition: vtkABI.h:69
vtkDirectedGraphAlgorithm::SetInputData
void SetInputData(vtkDataObject *obj)
Assign a data object as input.
Definition: vtkDirectedGraphAlgorithm.h:76