VTK  9.3.0
vtkButterflySubdivisionFilter.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
36 #ifndef vtkButterflySubdivisionFilter_h
37 #define vtkButterflySubdivisionFilter_h
38 
39 #include "vtkFiltersModelingModule.h" // For export macro
41 
42 VTK_ABI_NAMESPACE_BEGIN
43 class vtkCellArray;
44 class vtkIdList;
45 class vtkIntArray;
46 
47 class VTKFILTERSMODELING_EXPORT vtkButterflySubdivisionFilter
49 {
50 public:
52 
57  void PrintSelf(ostream& os, vtkIndent indent) override;
59 
60 protected:
62  ~vtkButterflySubdivisionFilter() override = default;
63 
64 private:
65  int GenerateSubdivisionPoints(vtkPolyData* inputDS, vtkIntArray* edgeData, vtkPoints* outputPts,
66  vtkPointData* outputPD) override;
67  void GenerateButterflyStencil(
68  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
69  void GenerateLoopStencil(
70  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
71  void GenerateBoundaryStencil(
72  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
73 
75  void operator=(const vtkButterflySubdivisionFilter&) = delete;
76 };
77 
78 VTK_ABI_NAMESPACE_END
79 #endif
generate a subdivision surface using the Butterfly Scheme
~vtkButterflySubdivisionFilter() override=default
static vtkButterflySubdivisionFilter * New()
Construct object with NumberOfSubdivisions set to 1.
void PrintSelf(ostream &os, vtkIndent indent) override
Construct object with NumberOfSubdivisions set to 1.
object to represent cell connectivity
Definition: vtkCellArray.h:176
list of point or cell ids
Definition: vtkIdList.h:23
a simple class to control print indentation
Definition: vtkIndent.h:29
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:35
generate a subdivision surface using an Interpolating Scheme
virtual int GenerateSubdivisionPoints(vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD)=0
represent and manipulate point attribute data
Definition: vtkPointData.h:30
represent and manipulate 3D points
Definition: vtkPoints.h:29
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:80
int vtkIdType
Definition: vtkType.h:315