VTK  9.2.6
vtkDelaunay3D.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkDelaunay3D.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=========================================================================*/
93
94#ifndef vtkDelaunay3D_h
95#define vtkDelaunay3D_h
96
97#include "vtkFiltersCoreModule.h" // For export macro
99
100class vtkIdList;
101class vtkPointLocator;
102class vtkPointSet;
103class vtkPoints;
104class vtkTetraArray;
106
107class VTKFILTERSCORE_EXPORT vtkDelaunay3D : public vtkUnstructuredGridAlgorithm
108{
109public:
111 void PrintSelf(ostream& os, vtkIndent indent) override;
112
118
120
129 vtkSetClampMacro(Alpha, double, 0.0, VTK_DOUBLE_MAX);
130 vtkGetMacro(Alpha, double);
132
134
137 vtkSetMacro(AlphaTets, vtkTypeBool);
138 vtkGetMacro(AlphaTets, vtkTypeBool);
139 vtkBooleanMacro(AlphaTets, vtkTypeBool);
141
143
146 vtkSetMacro(AlphaTris, vtkTypeBool);
147 vtkGetMacro(AlphaTris, vtkTypeBool);
148 vtkBooleanMacro(AlphaTris, vtkTypeBool);
150
152
155 vtkSetMacro(AlphaLines, vtkTypeBool);
156 vtkGetMacro(AlphaLines, vtkTypeBool);
157 vtkBooleanMacro(AlphaLines, vtkTypeBool);
159
161
164 vtkSetMacro(AlphaVerts, vtkTypeBool);
165 vtkGetMacro(AlphaVerts, vtkTypeBool);
166 vtkBooleanMacro(AlphaVerts, vtkTypeBool);
168
170
175 vtkSetClampMacro(Tolerance, double, 0.0, 1.0);
176 vtkGetMacro(Tolerance, double);
178
180
184 vtkSetClampMacro(Offset, double, 2.5, VTK_DOUBLE_MAX);
185 vtkGetMacro(Offset, double);
187
189
199
201
208
214
228 double center[3], double length, vtkIdType numPts, vtkPoints*& points);
229
241 vtkUnstructuredGrid* Mesh, vtkPoints* points, vtkIdType id, double x[3], vtkIdList* holeTetras);
242
250
255
257
262 vtkSetMacro(OutputPointsPrecision, int);
263 vtkGetMacro(OutputPointsPrecision, int);
265
266protected:
268 ~vtkDelaunay3D() override;
269
271
272 double Alpha;
277 double Tolerance;
279 double Offset;
281
282 vtkIncrementalPointLocator* Locator; // help locate points faster
283
284 vtkTetraArray* TetraArray; // used to keep track of circumspheres/neighbors
285 int FindTetra(vtkUnstructuredGrid* Mesh, double x[3], vtkIdType tetraId, int depth);
286 int InSphere(double x[3], vtkIdType tetraId);
287 void InsertTetra(vtkUnstructuredGrid* Mesh, vtkPoints* points, vtkIdType tetraId);
288
289 int NumberOfDuplicatePoints; // keep track of bad data
291
292 // Keep track of number of references to points to avoid new/delete calls
294
297
299
300private: // members added for performance
301 vtkIdList* Tetras; // used in InsertPoint
302 vtkIdList* Faces; // used in InsertPoint
303 vtkIdList* CheckedTetras; // used by InsertPoint
304
305private:
306 vtkDelaunay3D(const vtkDelaunay3D&) = delete;
307 void operator=(const vtkDelaunay3D&) = delete;
308};
309
310#endif
void CreateDefaultLocator()
Create default locator.
vtkUnstructuredGrid * InitPointInsertion(double center[3], double length, vtkIdType numPts, vtkPoints *&points)
This is a helper method used with InsertPoint() to create tetrahedronalizations of points.
~vtkDelaunay3D() override
int InSphere(double x[3], vtkIdType tetraId)
vtkMTimeType GetMTime() override
Return the MTime also considering the locator.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkDelaunay3D * New()
Construct object with Alpha = 0.0; Tolerance = 0.001; Offset = 2.5; BoundingTriangulation turned off.
vtkIdType FindEnclosingFaces(double x[3], vtkUnstructuredGrid *Mesh, vtkIdList *tetras, vtkIdList *faces, vtkIncrementalPointLocator *Locator)
vtkTetraArray * TetraArray
void InsertTetra(vtkUnstructuredGrid *Mesh, vtkPoints *points, vtkIdType tetraId)
void EndPointInsertion()
Invoke this method after all points have been inserted.
vtkTypeBool AlphaTets
int NumberOfDuplicatePoints
vtkIncrementalPointLocator * Locator
int FillInputPortInformation(int, vtkInformation *) override
Fill the input port information objects for this algorithm.
void SetLocator(vtkIncrementalPointLocator *locator)
Set / get a spatial locator for merging points.
vtkTypeBool BoundingTriangulation
vtkTypeBool AlphaTris
void InsertPoint(vtkUnstructuredGrid *Mesh, vtkPoints *points, vtkIdType id, double x[3], vtkIdList *holeTetras)
This is a helper method used with InitPointInsertion() to create tetrahedronalizations of points.
vtkTypeBool AlphaLines
vtkTypeBool AlphaVerts
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
int FindTetra(vtkUnstructuredGrid *Mesh, double x[3], vtkIdType tetraId, int depth)
list of point or cell ids
Definition vtkIdList.h:31
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
quickly locate points in 3-space
concrete class for storing a set of points
Definition vtkPointSet.h:67
represent and manipulate 3D points
Definition vtkPoints.h:34
dataset represents arbitrary combinations of all possible cell types
int vtkTypeBool
Definition vtkABI.h:69
int vtkIdType
Definition vtkType.h:332
vtkTypeUInt32 vtkMTimeType
Definition vtkType.h:287
#define VTK_DOUBLE_MAX
Definition vtkType.h:165