VTK  9.2.6
vtkDelaunay3D.h
Go to the documentation of this file.
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=========================================================================*/
100#ifndef vtkDelaunay3D_h
101#define vtkDelaunay3D_h
102
103#include "vtkFiltersCoreModule.h" // For export macro
105
106class vtkIdList;
107class vtkPointLocator;
108class vtkPointSet;
109class vtkPoints;
110class vtkTetraArray;
112
113class VTKFILTERSCORE_EXPORT vtkDelaunay3D : public vtkUnstructuredGridAlgorithm
114{
115public:
117 void PrintSelf(ostream& os, vtkIndent indent) override;
118
124
126
135 vtkSetClampMacro(Alpha, double, 0.0, VTK_DOUBLE_MAX);
136 vtkGetMacro(Alpha, double);
138
140
143 vtkSetMacro(AlphaTets, vtkTypeBool);
144 vtkGetMacro(AlphaTets, vtkTypeBool);
145 vtkBooleanMacro(AlphaTets, vtkTypeBool);
147
149
152 vtkSetMacro(AlphaTris, vtkTypeBool);
153 vtkGetMacro(AlphaTris, vtkTypeBool);
154 vtkBooleanMacro(AlphaTris, vtkTypeBool);
156
158
161 vtkSetMacro(AlphaLines, vtkTypeBool);
162 vtkGetMacro(AlphaLines, vtkTypeBool);
163 vtkBooleanMacro(AlphaLines, vtkTypeBool);
165
167
170 vtkSetMacro(AlphaVerts, vtkTypeBool);
171 vtkGetMacro(AlphaVerts, vtkTypeBool);
172 vtkBooleanMacro(AlphaVerts, vtkTypeBool);
174
176
181 vtkSetClampMacro(Tolerance, double, 0.0, 1.0);
182 vtkGetMacro(Tolerance, double);
184
186
190 vtkSetClampMacro(Offset, double, 2.5, VTK_DOUBLE_MAX);
191 vtkGetMacro(Offset, double);
193
195
201 vtkSetMacro(BoundingTriangulation, vtkTypeBool);
202 vtkGetMacro(BoundingTriangulation, vtkTypeBool);
203 vtkBooleanMacro(BoundingTriangulation, vtkTypeBool);
205
207
212 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
214
220
234 double center[3], double length, vtkIdType numPts, vtkPoints*& points);
235
247 vtkUnstructuredGrid* Mesh, vtkPoints* points, vtkIdType id, double x[3], vtkIdList* holeTetras);
248
256
261
263
268 vtkSetMacro(OutputPointsPrecision, int);
269 vtkGetMacro(OutputPointsPrecision, int);
271
272protected:
274 ~vtkDelaunay3D() override;
275
277
278 double Alpha;
283 double Tolerance;
285 double Offset;
287
288 vtkIncrementalPointLocator* Locator; // help locate points faster
289
290 vtkTetraArray* TetraArray; // used to keep track of circumspheres/neighbors
291 int FindTetra(vtkUnstructuredGrid* Mesh, double x[3], vtkIdType tetraId, int depth);
292 int InSphere(double x[3], vtkIdType tetraId);
293 void InsertTetra(vtkUnstructuredGrid* Mesh, vtkPoints* points, vtkIdType tetraId);
294
295 int NumberOfDuplicatePoints; // keep track of bad data
297
298 // Keep track of number of references to points to avoid new/delete calls
300
302 vtkIdList* faces, vtkIncrementalPointLocator* Locator);
303
305
306private: // members added for performance
307 vtkIdList* Tetras; // used in InsertPoint
308 vtkIdList* Faces; // used in InsertPoint
309 vtkIdList* CheckedTetras; // used by InsertPoint
310
311private:
312 vtkDelaunay3D(const vtkDelaunay3D&) = delete;
313 void operator=(const vtkDelaunay3D&) = delete;
314};
315
316#endif
create 3D Delaunay triangulation of input points
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:34
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:40
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:70
represent and manipulate 3D points
Definition vtkPoints.h:40
Superclass for algorithms that produce only unstructured grid as output.
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