VTK  9.3.1
vtkImageAppend.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
20 #ifndef vtkImageAppend_h
21 #define vtkImageAppend_h
22 
23 #include "vtkFiltersCoreModule.h" // For export macro
25 
26 VTK_ABI_NAMESPACE_BEGIN
27 class VTKFILTERSCORE_EXPORT vtkImageAppend : public vtkThreadedImageAlgorithm
28 {
29 public:
30  static vtkImageAppend* New();
32  void PrintSelf(ostream& os, vtkIndent indent) override;
33 
40  virtual void ReplaceNthInputConnection(int idx, vtkAlgorithmOutput* input);
41 
43 
48  void SetInputData(int idx, vtkDataObject* input);
49  void SetInputData(vtkDataObject* input) { this->SetInputData(0, input); }
51 
53 
58  vtkDataObject* GetInput(int idx);
59  vtkDataObject* GetInput() { return this->GetInput(0); }
61 
68 
70 
76  vtkSetMacro(AppendAxis, int);
77  vtkGetMacro(AppendAxis, int);
79 
81 
89  vtkSetMacro(PreserveExtents, vtkTypeBool);
90  vtkGetMacro(PreserveExtents, vtkTypeBool);
91  vtkBooleanMacro(PreserveExtents, vtkTypeBool);
93 
94 protected:
96  ~vtkImageAppend() override;
97 
100  // Array holds the AppendAxisExtent shift for each input.
101  int* Shifts;
102 
104 
106 
107  void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
108  vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData, int ext[6],
109  int id) override;
110 
111  // see vtkAlgorithm for docs.
112  int FillInputPortInformation(int, vtkInformation*) override;
113 
114  void InitOutput(int outExt[6], vtkImageData* outData);
115 
116  void InternalComputeInputUpdateExtent(int* inExt, int* outExt, int* inWextent, int whichInput);
117 
118  // overridden to allocate all of the output arrays, not just active scalars
119  void AllocateOutputData(vtkImageData* out, vtkInformation* outInfo, int* uExtent) override;
121 
122  // overridden to prevent shallow copies across, since we have to do it elementwise
123  void CopyAttributeData(
124  vtkImageData* in, vtkImageData* out, vtkInformationVector** inputVector) override;
125 
126 private:
127  vtkImageAppend(const vtkImageAppend&) = delete;
128  void operator=(const vtkImageAppend&) = delete;
129 };
130 
131 VTK_ABI_NAMESPACE_END
132 #endif
int GetNumberOfInputConnections(int port)
Get the number of inputs currently connected to a port.
Collects data from multiple inputs into one image.
Store vtkAlgorithm input/output information.
vtkTypeBool PreserveExtents
vtkDataObject * GetInput()
Get a data object for one of the input port connections.
void SetInputData(vtkDataObject *)
Assign a data object as input.
virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
Subclasses can reimplement this method to translate the update extent requests from each output port ...
Proxy object to connect input/output ports.
virtual void AllocateOutputData(vtkImageData *out, vtkInformation *outInfo, int *uExtent)
Allocate the output data.
int vtkTypeBool
Definition: vtkABI.h:64
Generic filter that has one input.
a simple class to control print indentation
Definition: vtkIndent.h:28
topologically and geometrically regular array of data
Definition: vtkImageData.h:42
virtual int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
Subclasses can reimplement this method to collect information from their inputs and set information f...
virtual void ThreadedRequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector, vtkImageData ***inData, vtkImageData **outData, int extent[6], int threadId)
If the subclass does not define an Execute method, then the task will be broken up, multiple threads will be spawned, and each thread will call this method.
virtual void CopyAttributeData(vtkImageData *in, vtkImageData *out, vtkInformationVector **inputVector)
Copy the other point and cell data.
int GetNumberOfInputs()
Get the number of inputs to this filter.
int FillInputPortInformation(int port, vtkInformation *info) override
These method should be reimplemented by subclasses that have more than a single input or single outpu...
Store zero or more vtkInformation instances.
static vtkAlgorithm * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkDataObject * GetInput()
Get one input to this filter.
general representation of visualization data
Definition: vtkDataObject.h:54
void SetInputData(vtkDataObject *input)
Assign a data object as input.