VTK
vtkPolyDataNormals.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkPolyDataNormals.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
57 #ifndef vtkPolyDataNormals_h
58 #define vtkPolyDataNormals_h
59 
60 #include "vtkFiltersCoreModule.h" // For export macro
61 #include "vtkPolyDataAlgorithm.h"
62 
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) VTK_OVERRIDE;
72 
79 
81 
86  vtkSetClampMacro(FeatureAngle,double,0.0,180.0);
87  vtkGetMacro(FeatureAngle,double);
89 
91 
94  vtkSetMacro(Splitting,int);
95  vtkGetMacro(Splitting,int);
96  vtkBooleanMacro(Splitting,int);
98 
100 
103  vtkSetMacro(Consistency,int);
104  vtkGetMacro(Consistency,int);
105  vtkBooleanMacro(Consistency,int);
107 
109 
120  vtkSetMacro(AutoOrientNormals, int);
121  vtkGetMacro(AutoOrientNormals, int);
122  vtkBooleanMacro(AutoOrientNormals, int);
124 
126 
129  vtkSetMacro(ComputePointNormals,int);
130  vtkGetMacro(ComputePointNormals,int);
131  vtkBooleanMacro(ComputePointNormals,int);
133 
135 
138  vtkSetMacro(ComputeCellNormals,int);
139  vtkGetMacro(ComputeCellNormals,int);
140  vtkBooleanMacro(ComputeCellNormals,int);
142 
144 
150  vtkSetMacro(FlipNormals,int);
151  vtkGetMacro(FlipNormals,int);
152  vtkBooleanMacro(FlipNormals,int);
154 
156 
161  vtkSetMacro(NonManifoldTraversal,int);
162  vtkGetMacro(NonManifoldTraversal,int);
163  vtkBooleanMacro(NonManifoldTraversal,int);
165 
167 
172  vtkSetClampMacro(OutputPointsPrecision, int, SINGLE_PRECISION, DEFAULT_PRECISION);
173  vtkGetMacro(OutputPointsPrecision, int);
175 
176 protected:
178  ~vtkPolyDataNormals() VTK_OVERRIDE {}
179 
180  // Usual data generation method
182 
183  double FeatureAngle;
191  int NumFlips;
193 
194 private:
195  vtkIdList *Wave;
196  vtkIdList *Wave2;
197  vtkIdList *CellIds;
198  vtkIdList *Map;
199  vtkPolyData *OldMesh;
200  vtkPolyData *NewMesh;
201  int *Visited;
202  vtkFloatArray *PolyNormals;
203  double CosAngle;
204 
205  // Uses the list of cell ids (this->Wave) to propagate a wave of
206  // checked and properly ordered polygons.
207  void TraverseAndOrder(void);
208 
209  // Check the point id give to see whether it lies on a feature
210  // edge. If so, split the point (i.e., duplicate it) to topologically
211  // separate the mesh.
212  void MarkAndSplit(vtkIdType ptId);
213 
214 private:
215  vtkPolyDataNormals(const vtkPolyDataNormals&) VTK_DELETE_FUNCTION;
216  void operator=(const vtkPolyDataNormals&) VTK_DELETE_FUNCTION;
217 };
218 
219 #endif
dynamic, self-adjusting array of float
Definition: vtkFloatArray.h:42
list of point or cell ids
Definition: vtkIdList.h:37
a simple class to control print indentation
Definition: vtkIndent.h:40
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
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:86
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkBooleanMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
int vtkIdType
Definition: vtkType.h:287