VTK  9.3.0
vtkLoopSubdivisionFilter.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
46 #ifndef vtkLoopSubdivisionFilter_h
47 #define vtkLoopSubdivisionFilter_h
48 
50 #include "vtkFiltersModelingModule.h" // For export macro
51 
52 VTK_ABI_NAMESPACE_BEGIN
53 class vtkPolyData;
54 class vtkIntArray;
55 class vtkPoints;
56 class vtkIdList;
57 
58 class VTKFILTERSMODELING_EXPORT vtkLoopSubdivisionFilter : public vtkApproximatingSubdivisionFilter
59 {
60 public:
62 
67  void PrintSelf(ostream& os, vtkIndent indent) override;
69 
70 protected:
72  ~vtkLoopSubdivisionFilter() override = default;
73 
74  int GenerateSubdivisionPoints(vtkPolyData* inputDS, vtkIntArray* edgeData, vtkPoints* outputPts,
75  vtkPointData* outputPD) override;
76  int GenerateEvenStencil(vtkIdType p1, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
78  vtkIdType p1, vtkIdType p2, vtkPolyData* polys, vtkIdList* stencilIds, double* weights);
79 
81 
82 private:
84  void operator=(const vtkLoopSubdivisionFilter&) = delete;
85 };
86 
87 VTK_ABI_NAMESPACE_END
88 #endif
generate a subdivision surface using an Approximating Scheme
list of point or cell ids
Definition: vtkIdList.h:32
a simple class to control print indentation
Definition: vtkIndent.h:38
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:44
generate a subdivision surface using the Loop Scheme
int GenerateSubdivisionPoints(vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD) override
~vtkLoopSubdivisionFilter() override=default
vtkLoopSubdivisionFilter()=default
void GenerateOddStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys, vtkIdList *stencilIds, double *weights)
int GenerateEvenStencil(vtkIdType p1, vtkPolyData *polys, vtkIdList *stencilIds, double *weights)
int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
void PrintSelf(ostream &os, vtkIndent indent) override
Construct object with NumberOfSubdivisions set to 1.
static vtkLoopSubdivisionFilter * New()
Construct object with NumberOfSubdivisions set to 1.
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