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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkGroupTimeStepsFilter
* @brief converts a temporal dataset into non-temporal dataset.
*
* vtkGroupTimeStepsFilter is intended to convert a temporal input with
* multiple timesteps into a single dataset will all timesteps available.
* The filter requests all timesteps from the upstream one after another and
* then packages it into a single output vtkPartitionedDataSetCollection
* or vtkMultiBlockDataSet based on the input data type.
* In most cases vtkPartitionedDataSetCollection is produced. Only when
* the input cannot be stored in a vtkPartitionedDataSetCollection,
* vtkMultiBlockDataSet is created instead.
*
* @section vtkGroupTimeStepsFilter-Limitations Limitations
*
* The filter may not work correctly if the input dataset type changes over
* time.
*/
#ifndef vtkGroupTimeStepsFilter_h
#define vtkGroupTimeStepsFilter_h
#include "vtkDataObjectAlgorithm.h"
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkSmartPointer.h" // for vtkSmartPointer
#include <vector> // for std::vector
VTK_ABI_NAMESPACE_BEGIN
class vtkPartitionedDataSet;
class vtkPartitionedDataSetCollection;
class vtkMultiBlockDataSet;
class vtkCompositeDataSet;
class VTKFILTERSGENERAL_EXPORT vtkGroupTimeStepsFilter : public vtkDataObjectAlgorithm
{
public:
static vtkGroupTimeStepsFilter* New();
vtkTypeMacro(vtkGroupTimeStepsFilter, vtkDataObjectAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
protected:
vtkGroupTimeStepsFilter();
~vtkGroupTimeStepsFilter() override;
int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
private:
vtkGroupTimeStepsFilter(const vtkGroupTimeStepsFilter&) = delete;
void operator=(const vtkGroupTimeStepsFilter&) = delete;
bool AddTimeStep(double time, int timeStep, vtkDataObject*);
bool AddTimeStep(double time, int timeStep, vtkPartitionedDataSet*);
bool AddTimeStep(double time, int timeStep, vtkPartitionedDataSetCollection*);
bool AddTimeStep(double time, int timeStep, vtkMultiBlockDataSet*);
bool AddTimeStep(double time, int timeStep, vtkCompositeDataSet*);
size_t UpdateTimeIndex;
std::vector<double> TimeSteps;
vtkSmartPointer<vtkDataObject> AccumulatedData;
};
VTK_ABI_NAMESPACE_END
#endif
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