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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkPointSetAlgorithm
* @brief Superclass for algorithms that produce output of the same type as input
*
* vtkPointSetAlgorithm is a convenience class to make writing algorithms
* easier. It is also designed to help transition old algorithms to the new
* pipeline architecture. 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 PointSet. If that
* isn't the case then please override this method in your subclass.
* You should implement the subclass's algorithm into
* RequestData( request, inputVec, outputVec).
*/
#ifndef vtkPointSetAlgorithm_h
#define vtkPointSetAlgorithm_h
#include "vtkAlgorithm.h"
#include "vtkCommonExecutionModelModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkPointSet;
class vtkPolyData;
class vtkStructuredGrid;
class vtkUnstructuredGrid;
class VTKCOMMONEXECUTIONMODEL_EXPORT vtkPointSetAlgorithm : public vtkAlgorithm
{
public:
static vtkPointSetAlgorithm* New();
vtkTypeMacro(vtkPointSetAlgorithm, vtkAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Get the output data object for a port on this algorithm.
*/
vtkPointSet* GetOutput();
vtkPointSet* GetOutput(int);
///@}
/**
* Get the output as vtkPolyData.
*/
vtkPolyData* GetPolyDataOutput();
/**
* Get the output as vtkStructuredGrid.
*/
vtkStructuredGrid* GetStructuredGridOutput();
/**
* Get the output as vtkUnstructuredGrid.
*/
vtkUnstructuredGrid* GetUnstructuredGridOutput();
///@{
/**
* 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*);
void SetInputData(vtkPointSet*);
void SetInputData(int, vtkPointSet*);
///@}
///@{
/**
* Assign a data object as input. Note that this method does not
* establish a pipeline connection. Use AddInputConnection() to
* setup a pipeline connection.
*/
void AddInputData(vtkDataObject*);
void AddInputData(vtkPointSet*);
void AddInputData(int, vtkPointSet*);
void AddInputData(int, vtkDataObject*);
///@}
// this method is not recommended for use, but lots of old style filters
// use it
vtkDataObject* GetInput();
/**
* see vtkAlgorithm for details
*/
vtkTypeBool ProcessRequest(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
protected:
vtkPointSetAlgorithm();
~vtkPointSetAlgorithm() override = default;
/**
* 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 ExecuteInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
return 1;
}
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
return 1;
}
///@{
/**
* This is called by the superclass.
* This is the method you should override.
*/
virtual int ComputeInputUpdateExtent(
vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
return 1;
}
///@}
virtual int ComputeInputUpdateTime(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
{
return 1;
}
// see algorithm for more info
int FillOutputPortInformation(int port, vtkInformation* info) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
private:
vtkPointSetAlgorithm(const vtkPointSetAlgorithm&) = delete;
void operator=(const vtkPointSetAlgorithm&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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