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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkUnstructuredGridBaseAlgorithm
* @brief Superclass for algorithms that
* produce only vtkUnstructureGridBase subclasses as output
*
* vtkUnstructuredGridBaseAlgorithm is a convenience class to make writing
* algorithms easier. There are some assumptions and defaults made by this
* class you should be aware of. This class defaults such that your filter
* will have one input port and one output port. If that is not the case
* simply change it with SetNumberOfInputPorts etc. See this classes
* constructor for the default. This class also provides a FillInputPortInfo
* method that by default says that all inputs will be UnstructuredGridBase. If
* that isn't the case then please override this method in your subclass.
*/
#ifndef vtkUnstructuredGridBaseAlgorithm_h
#define vtkUnstructuredGridBaseAlgorithm_h
#include "vtkAlgorithm.h"
#include "vtkCommonExecutionModelModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class vtkUnstructuredGridBase;
class VTKCOMMONEXECUTIONMODEL_EXPORT vtkUnstructuredGridBaseAlgorithm : public vtkAlgorithm
{
public:
static vtkUnstructuredGridBaseAlgorithm* New();
vtkTypeMacro(vtkUnstructuredGridBaseAlgorithm, vtkAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Get the output data object for a port on this algorithm.
*/
vtkUnstructuredGridBase* GetOutput();
vtkUnstructuredGridBase* GetOutput(int);
virtual void SetOutput(vtkDataObject* d);
///@}
/**
* see vtkAlgorithm for details
*/
vtkTypeBool ProcessRequest(
vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
///@{
/**
* Assign a data object as input. Note that this method does not
* establish a pipeline connection. Use SetInputConnection() to
* setup a pipeline connection.
*/
void SetInputData(vtkDataObject*);
void SetInputData(int, vtkDataObject*);
///@}
///@{
/**
* Assign a data object as input. Note that this method does not
* establish a pipeline connection. Use SetInputConnection() to
* setup a pipeline connection.
*/
void AddInputData(vtkDataObject*);
void AddInputData(int, vtkDataObject*);
///@}
protected:
vtkUnstructuredGridBaseAlgorithm();
~vtkUnstructuredGridBaseAlgorithm() override;
// convenience method
virtual int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
virtual int RequestUpdateTime(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
// see algorithm for more info
int FillOutputPortInformation(int port, vtkInformation* info) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
private:
vtkUnstructuredGridBaseAlgorithm(const vtkUnstructuredGridBaseAlgorithm&) = delete;
void operator=(const vtkUnstructuredGridBaseAlgorithm&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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