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/***************************************************************************
* Copyright (c) 2025 Stefan Tröger <stefantroeger@gmx.net> *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#ifndef Fem_VTK_vtkFemFrameSourceAlgorithm_H
#define Fem_VTK_vtkFemFrameSourceAlgorithm_H
#include <vtkSmartPointer.h>
#include <vtkUnstructuredGridAlgorithm.h>
class vtkInformation;
class vtkInformationVector;
namespace Fem
{
// algorithm that allows multi frame handling: if data is stored in MultiBlock dataset
// this source enables the downstream filters to query the blocks as different time frames
class vtkFemFrameSourceAlgorithm: public vtkUnstructuredGridAlgorithm
{
public:
static vtkFemFrameSourceAlgorithm* New();
vtkTypeMacro(vtkFemFrameSourceAlgorithm, vtkUnstructuredGridAlgorithm);
bool isValid();
void setDataObject(vtkSmartPointer<vtkDataObject> data);
std::vector<double> getFrameValues();
protected:
vtkFemFrameSourceAlgorithm();
~vtkFemFrameSourceAlgorithm() override;
vtkSmartPointer<vtkDataObject> m_data;
int RequestInformation(
vtkInformation* reqInfo,
vtkInformationVector** inVector,
vtkInformationVector* outVector
) override;
int RequestData(
vtkInformation* reqInfo,
vtkInformationVector** inVector,
vtkInformationVector* outVector
) override;
};
} // namespace Fem
#endif // Fem_VTK_vtkFemFrameSourceAlgorithm_H
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