VTK
vtkSelectionAlgorithm.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkSelectionAlgorithm.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 =========================================================================*/
37 #ifndef vtkSelectionAlgorithm_h
38 #define vtkSelectionAlgorithm_h
39 
40 #include "vtkCommonExecutionModelModule.h" // For export macro
41 #include "vtkAlgorithm.h"
42 #include "vtkSelection.h" // makes things a bit easier
43 
44 class vtkDataSet;
45 
46 class VTKCOMMONEXECUTIONMODEL_EXPORT vtkSelectionAlgorithm : public vtkAlgorithm
47 {
48 public:
49  static vtkSelectionAlgorithm *New();
51  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
52 
58  vtkInformationVector*) VTK_OVERRIDE;
59 
63  vtkSelection* GetOutput() { return this->GetOutput(0); }
64  vtkSelection* GetOutput(int index);
65 
71  void SetInputData(vtkDataObject * obj) { this->SetInputData(0, obj); }
72  void SetInputData(int index, vtkDataObject* obj);
73 
74 protected:
76  ~vtkSelectionAlgorithm() VTK_OVERRIDE;
77 
78  // convenience method
79  virtual int RequestInformation(vtkInformation* request,
80  vtkInformationVector** inputVector,
81  vtkInformationVector* outputVector);
82 
87  virtual int RequestData(vtkInformation* request,
88  vtkInformationVector** inputVector,
89  vtkInformationVector* outputVector);
90 
95  virtual int RequestUpdateExtent(vtkInformation*,
97  vtkInformationVector*);
98 
99  // see algorithm for more info
100  int FillOutputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
101  int FillInputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
102 
103 private:
104  vtkSelectionAlgorithm(const vtkSelectionAlgorithm&) VTK_DELETE_FUNCTION;
105  void operator=(const vtkSelectionAlgorithm&) VTK_DELETE_FUNCTION;
106 };
107 
108 #endif
Store vtkAlgorithm input/output information.
abstract class to specify dataset behavior
Definition: vtkDataSet.h:62
virtual int ProcessRequest(vtkInformation *request, vtkInformationVector **inInfo, vtkInformationVector *outInfo)
Upstream/Downstream requests form the generalized interface through which executives invoke a algorit...
A node in a selection tree.
Definition: vtkSelection.h:43
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
Superclass for all sources, filters, and sinks in VTK.
Definition: vtkAlgorithm.h:59
vtkSelection * GetOutput()
Get the output data object for a port on this algorithm.
a simple class to control print indentation
Definition: vtkIndent.h:39
Superclass for algorithms that produce only Selection as output.
Store zero or more vtkInformation instances.
static vtkAlgorithm * New()
general representation of visualization data
Definition: vtkDataObject.h:64
void SetInputData(vtkDataObject *obj)
Assign a data object as input.