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
45 #ifndef vtkButterflySubdivisionFilter_h
46 #define vtkButterflySubdivisionFilter_h
47 
48 #include "vtkFiltersModelingModule.h" // For export macro
50 
51 VTK_ABI_NAMESPACE_BEGIN
52 class vtkCellArray;
53 class vtkIdList;
54 class vtkIntArray;
55 
56 class VTKFILTERSMODELING_EXPORT vtkButterflySubdivisionFilter
58 {
59 public:
61 
66  void PrintSelf(ostream& os, vtkIndent indent) override;
68 
69 protected:
71  ~vtkButterflySubdivisionFilter() override = default;
72 
73 private:
74  int GenerateSubdivisionPoints(vtkPolyData* inputDS, vtkIntArray* edgeData, vtkPoints* outputPts,
75  vtkPointData* outputPD) override;
76  void GenerateButterflyStencil(
77  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
78  void GenerateLoopStencil(
79  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
80  void GenerateBoundaryStencil(
81  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
82 
84  void operator=(const vtkButterflySubdivisionFilter&) = delete;
85 };
86 
87 VTK_ABI_NAMESPACE_END
88 #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:185
list of point or cell ids
Definition: vtkIdList.h:32
a simple class to control print indentation
Definition: vtkIndent.h:38
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:44
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:39
represent and manipulate 3D points
Definition: vtkPoints.h:38
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:89
int vtkIdType
Definition: vtkType.h:315