VTK  9.3.1
vtkDataObjectAlgorithm.h
Go to the documentation of this file.
1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
21 #ifndef vtkDataObjectAlgorithm_h
22 #define vtkDataObjectAlgorithm_h
23 
24 #include "vtkAlgorithm.h"
25 #include "vtkCommonExecutionModelModule.h" // For export macro
26 #include "vtkDataObject.h" // makes things a bit easier
27 
28 VTK_ABI_NAMESPACE_BEGIN
29 class vtkDataSet;
30 class vtkDataObject;
31 
32 class VTKCOMMONEXECUTIONMODEL_EXPORT vtkDataObjectAlgorithm : public vtkAlgorithm
33 {
34 public:
35  static vtkDataObjectAlgorithm* New();
37  void PrintSelf(ostream& os, vtkIndent indent) override;
38 
40 
43  vtkDataObject* GetOutput();
44  vtkDataObject* GetOutput(int);
45  virtual void SetOutput(vtkDataObject* d);
47 
53 
54  // this method is not recommended for use, but lots of old style filters
55  // use it
56  vtkDataObject* GetInput();
57  vtkDataObject* GetInput(int port);
58 
60 
65  void SetInputData(vtkDataObject*);
66  void SetInputData(int, vtkDataObject*);
68 
70 
75  void AddInputData(vtkDataObject*);
76  void AddInputData(int, vtkDataObject*);
78 
79 protected:
81  ~vtkDataObjectAlgorithm() override;
82 
83  // convenience method
84  virtual int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
85  vtkInformationVector* outputVector);
86 
92  {
93  return 1;
94  }
95 
101  {
102  return 1;
103  }
104 
106  {
107  return 1;
108  }
109 
110  // see algorithm for more info
112  int FillInputPortInformation(int port, vtkInformation* info) override;
113 
122  static bool SetOutputDataObject(
123  int dataType, vtkInformation* outputInformation, bool exact = false);
124 
125 private:
127  void operator=(const vtkDataObjectAlgorithm&) = delete;
128 };
129 
130 VTK_ABI_NAMESPACE_END
131 #endif
virtual int RequestDataObject(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
This is called by the superclass.
Store vtkAlgorithm input/output information.
abstract class to specify dataset behavior
Definition: vtkDataSet.h:52
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int vtkTypeBool
Definition: vtkABI.h:64
virtual vtkTypeBool ProcessRequest(vtkInformation *request, vtkInformationVector **inInfo, vtkInformationVector *outInfo)
Upstream/Downstream requests form the generalized interface through which executives invoke a algorit...
Superclass for all sources, filters, and sinks in VTK.
Definition: vtkAlgorithm.h:51
virtual int FillOutputPortInformation(int port, vtkInformation *info)
Fill the output port information objects for this algorithm.
a simple class to control print indentation
Definition: vtkIndent.h:28
virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
This is called by the superclass.
virtual int FillInputPortInformation(int port, vtkInformation *info)
Fill the input port information objects for this algorithm.
Superclass for algorithms that produce only data object as output.
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
Store zero or more vtkInformation instances.
static vtkAlgorithm * New()
general representation of visualization data
Definition: vtkDataObject.h:54