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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkLinearSubdivisionFilter
* @brief generate a subdivision surface using the Linear Scheme
*
* vtkLinearSubdivisionFilter is a filter that generates output by
* subdividing its input polydata. Each subdivision iteration create 4
* new triangles for each triangle in the polydata.
*
* @par Thanks:
* This work was supported by PHS Research Grant No. 1 P41 RR13218-01
* from the National Center for Research Resources.
*
* @sa
* vtkInterpolatingSubdivisionFilter vtkButterflySubdivisionFilter
*/
#ifndef vtkLinearSubdivisionFilter_h
#define vtkLinearSubdivisionFilter_h
#include "vtkFiltersModelingModule.h" // For export macro
#include "vtkInterpolatingSubdivisionFilter.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkIntArray;
class vtkPointData;
class vtkPoints;
class vtkPolyData;
class VTKFILTERSMODELING_EXPORT vtkLinearSubdivisionFilter
: public vtkInterpolatingSubdivisionFilter
{
public:
///@{
/**
* Construct object with NumberOfSubdivisions set to 1.
*/
static vtkLinearSubdivisionFilter* New();
vtkTypeMacro(vtkLinearSubdivisionFilter, vtkInterpolatingSubdivisionFilter);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@}
protected:
vtkLinearSubdivisionFilter() = default;
~vtkLinearSubdivisionFilter() override = default;
int GenerateSubdivisionPoints(vtkPolyData* inputDS, vtkIntArray* edgeData, vtkPoints* outputPts,
vtkPointData* outputPD) override;
private:
vtkLinearSubdivisionFilter(const vtkLinearSubdivisionFilter&) = delete;
void operator=(const vtkLinearSubdivisionFilter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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