VTK  9.3.0
vtkTessellatorFilter.h
Go to the documentation of this file.
1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-FileCopyrightText: Copyright 2003 Sandia Corporation
3 // SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-NVIDIA-USGov
4 #ifndef vtkTessellatorFilter_h
5 #define vtkTessellatorFilter_h
6 
57 #include "vtkFiltersGeneralModule.h" // For export macro
59 
60 VTK_ABI_NAMESPACE_BEGIN
61 class vtkDataArray;
62 class vtkDataSet;
64 class vtkPointLocator;
65 class vtkPoints;
69 
70 class VTKFILTERSGENERAL_EXPORT vtkTessellatorFilter : public vtkUnstructuredGridAlgorithm
71 {
72 public:
74  void PrintSelf(ostream& os, vtkIndent indent) override;
75 
77 
79  vtkGetObjectMacro(Tessellator, vtkStreamingTessellator);
80 
82  vtkGetObjectMacro(Subdivider, vtkDataSetEdgeSubdivisionCriterion);
83 
84  vtkMTimeType GetMTime() override;
85 
87 
95  vtkSetClampMacro(OutputDimension, int, 1, 3);
96  vtkGetMacro(OutputDimension, int);
98 
99 // With VTK_USE_FUTURE_CONST, vtkGetMacro already makes the member const.
100 #if !VTK_USE_FUTURE_CONST
101  int GetOutputDimension() const;
102 #endif
103 
105 
110  virtual void SetMaximumNumberOfSubdivisions(int num_subdiv_in);
112  virtual void SetChordError(double ce);
113  double GetChordError();
115 
117 
120  virtual void ResetFieldCriteria();
121  virtual void SetFieldCriterion(int field, double err);
123 
125 
131  vtkGetMacro(MergePoints, vtkTypeBool);
132  vtkSetMacro(MergePoints, vtkTypeBool);
133  vtkBooleanMacro(MergePoints, vtkTypeBool);
135 
136 protected:
139 
141 
148 
153 
157  void Teardown();
158 
162  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
163  vtkInformationVector* outputVector) override;
164 
170 
172 
181 
182  static void AddAPoint(const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
183  static void AddALine(
184  const double*, const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
185  static void AddATriangle(
186  const double*, const double*, const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
187  static void AddATetrahedron(const double*, const double*, const double*, const double*,
188  vtkEdgeSubdivisionCriterion*, void*, const void*);
189  void OutputPoint(const double*);
190  void OutputLine(const double*, const double*);
191  void OutputTriangle(const double*, const double*, const double*);
192  void OutputTetrahedron(const double*, const double*, const double*, const double*);
193 
194 private:
196  void operator=(const vtkTessellatorFilter&) = delete;
197 };
198 
199 // With VTK_USE_FUTURE_CONST, vtkGetMacro already makes the member const.
200 #if !VTK_USE_FUTURE_CONST
202 {
203  return this->OutputDimension;
204 }
205 #endif
206 
207 VTK_ABI_NAMESPACE_END
208 #endif // vtkTessellatorFilter_h
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
a subclass of vtkEdgeSubdivisionCriterion for vtkDataSet objects.
abstract class to specify dataset behavior
Definition: vtkDataSet.h:62
how to decide whether a linear approximation to nonlinear geometry or field should be subdivided
a simple class to control print indentation
Definition: vtkIndent.h:38
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
quickly locate points in 3-space
represent and manipulate 3D points
Definition: vtkPoints.h:38
An algorithm that refines an initial simplicial tessellation using edge subdivision.
approximate nonlinear FEM elements with simplices
void OutputTetrahedron(const double *, const double *, const double *, const double *)
void MergeOutputPoints(vtkUnstructuredGrid *input, vtkUnstructuredGrid *output)
Called by RequestData to merge output points.
vtkPointLocator * Locator
virtual void SetSubdivider(vtkDataSetEdgeSubdivisionCriterion *)
virtual void SetChordError(double ce)
These are convenience routines for setting properties maintained by the tessellator and subdivider.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void SetTessellator(vtkStreamingTessellator *)
~vtkTessellatorFilter() override
void SetupOutput(vtkDataSet *input, vtkUnstructuredGrid *output)
Called by RequestData to set up a multitude of member variables used by the per-primitive output func...
vtkPoints * OutputPoints
These member variables are set by SetupOutput for use inside the callback members OutputLine and Outp...
vtkDataArray ** OutputAttributes
These member variables are set by SetupOutput for use inside the callback members OutputLine and Outp...
static void AddAPoint(const double *, vtkEdgeSubdivisionCriterion *, void *, const void *)
virtual void SetFieldCriterion(int field, double err)
These methods are for the ParaView client.
static void AddATriangle(const double *, const double *, const double *, vtkEdgeSubdivisionCriterion *, void *, const void *)
static void AddATetrahedron(const double *, const double *, const double *, const double *, vtkEdgeSubdivisionCriterion *, void *, const void *)
vtkMTimeType GetMTime() override
Return this object's modified time.
static vtkTessellatorFilter * New()
virtual void ResetFieldCriteria()
These methods are for the ParaView client.
int GetMaximumNumberOfSubdivisions()
These are convenience routines for setting properties maintained by the tessellator and subdivider.
vtkDataSetEdgeSubdivisionCriterion * Subdivider
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
void Teardown()
Reset the temporary variables used during the filter's RequestData() method.
int * OutputAttributeIndices
These member variables are set by SetupOutput for use inside the callback members OutputLine and Outp...
virtual int GetOutputDimension()
Set the dimension of the output tessellation.
void OutputTriangle(const double *, const double *, const double *)
vtkUnstructuredGrid * OutputMesh
These member variables are set by SetupOutput for use inside the callback members OutputLine and Outp...
void OutputLine(const double *, const double *)
void OutputPoint(const double *)
static void AddALine(const double *, const double *, vtkEdgeSubdivisionCriterion *, void *, const void *)
double GetChordError()
These are convenience routines for setting properties maintained by the tessellator and subdivider.
virtual void SetMaximumNumberOfSubdivisions(int num_subdiv_in)
These are convenience routines for setting properties maintained by the tessellator and subdivider.
vtkStreamingTessellator * Tessellator
int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Run the filter; produce a polygonal approximation to the grid.
Superclass for algorithms that produce only unstructured grid as output.
dataset represents arbitrary combinations of all possible cell types
@ field
Definition: vtkX3D.h:177
@ info
Definition: vtkX3D.h:376
@ port
Definition: vtkX3D.h:447
int vtkTypeBool
Definition: vtkABI.h:64
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:270