VTK  9.3.0
vtkPolyDataNormals.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
56 #ifndef vtkPolyDataNormals_h
57 #define vtkPolyDataNormals_h
58 
59 #include "vtkFiltersCoreModule.h" // For export macro
60 #include "vtkPolyDataAlgorithm.h"
61 
62 VTK_ABI_NAMESPACE_BEGIN
63 class vtkFloatArray;
64 class vtkIdList;
65 class vtkPolyData;
66 
67 class VTKFILTERSCORE_EXPORT vtkPolyDataNormals : public vtkPolyDataAlgorithm
68 {
69 public:
71  void PrintSelf(ostream& os, vtkIndent indent) override;
72 
79 
81 
86  vtkSetClampMacro(FeatureAngle, double, 0.0, 180.0);
87  vtkGetMacro(FeatureAngle, double);
89 
91 
94  vtkSetMacro(Splitting, vtkTypeBool);
95  vtkGetMacro(Splitting, vtkTypeBool);
96  vtkBooleanMacro(Splitting, vtkTypeBool);
98 
100 
103  vtkSetMacro(Consistency, vtkTypeBool);
104  vtkGetMacro(Consistency, vtkTypeBool);
105  vtkBooleanMacro(Consistency, vtkTypeBool);
107 
109 
120  vtkSetMacro(AutoOrientNormals, vtkTypeBool);
121  vtkGetMacro(AutoOrientNormals, vtkTypeBool);
122  vtkBooleanMacro(AutoOrientNormals, vtkTypeBool);
124 
126 
129  vtkSetMacro(ComputePointNormals, vtkTypeBool);
130  vtkGetMacro(ComputePointNormals, vtkTypeBool);
131  vtkBooleanMacro(ComputePointNormals, vtkTypeBool);
133 
135 
138  vtkSetMacro(ComputeCellNormals, vtkTypeBool);
139  vtkGetMacro(ComputeCellNormals, vtkTypeBool);
140  vtkBooleanMacro(ComputeCellNormals, vtkTypeBool);
142 
144 
150  vtkSetMacro(FlipNormals, vtkTypeBool);
151  vtkGetMacro(FlipNormals, vtkTypeBool);
152  vtkBooleanMacro(FlipNormals, vtkTypeBool);
154 
156 
161  vtkSetMacro(NonManifoldTraversal, vtkTypeBool);
162  vtkGetMacro(NonManifoldTraversal, vtkTypeBool);
163  vtkBooleanMacro(NonManifoldTraversal, vtkTypeBool);
165 
167 
172  vtkSetClampMacro(OutputPointsPrecision, int, SINGLE_PRECISION, DEFAULT_PRECISION);
173  vtkGetMacro(OutputPointsPrecision, int);
175 
176 protected:
178  ~vtkPolyDataNormals() override = default;
179 
180  // Usual data generation method
182 
183  double FeatureAngle;
193 
194 private:
195  double CosAngle;
196 
197  struct MarkAndSplitFunctor;
198 
199  // Uses the list of cell ids (this->Wave) to propagate a wave of
200  // checked and properly ordered polygons.
201  void TraverseAndOrder(vtkPolyData* oldMesh, vtkPolyData* newMesh, vtkIdList* wave,
202  vtkIdList* wave2, vtkIdList* cellPointIds, vtkIdList* cellIds, vtkIdList* neighborPointIds,
203  std::vector<char>& visited, vtkIdType& numFlips);
204 
205  // check all the points whether they lie on a feature
206  // edge. If so, split the point (i.e., duplicate it) to topologically
207  // separate the mesh.
208  void ExecuteMarkAndSplit(vtkPolyData* oldMesh, vtkPolyData* newMesh, vtkFloatArray* cellNormals,
209  vtkIdList* map, vtkIdType numPoints, vtkIdType numPolys, double cosAngle);
210 
211  vtkPolyDataNormals(const vtkPolyDataNormals&) = delete;
212  void operator=(const vtkPolyDataNormals&) = delete;
213 };
214 
215 VTK_ABI_NAMESPACE_END
216 #endif
dynamic, self-adjusting array of float
Definition: vtkFloatArray.h:31
list of point or cell ids
Definition: vtkIdList.h:23
a simple class to control print indentation
Definition: vtkIndent.h:29
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
Superclass for algorithms that produce only polydata as output.
compute normals for polygonal mesh
static vtkPolyDataNormals * New()
Construct with feature angle=30, splitting and consistency turned on, flipNormals turned off,...
~vtkPolyDataNormals() override=default
vtkTypeBool NonManifoldTraversal
vtkTypeBool ComputeCellNormals
vtkTypeBool ComputePointNormals
vtkTypeBool AutoOrientNormals
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:80
int vtkTypeBool
Definition: vtkABI.h:64
int vtkIdType
Definition: vtkType.h:315