VTK  9.0.3
vtkTessellatorFilter.h
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1 /*=========================================================================
2 
3 Program: Visualization Toolkit
4 Module: vtkTessellatorFilter.h
5 Language: C++
6 
7 Copyright 2003 Sandia Corporation.
8 Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
9 license for use of this work by or on behalf of the
10 U.S. Government. Redistribution and use in source and binary forms, with
11 or without modification, are permitted provided that this Notice and any
12 statement of authorship are reproduced on all copies.
13 
14 =========================================================================*/
15 #ifndef vtkTessellatorFilter_h
16 #define vtkTessellatorFilter_h
17 
56 #include "vtkFiltersGeneralModule.h" // For export macro
58 
59 class vtkDataArray;
60 class vtkDataSet;
62 class vtkPointLocator;
63 class vtkPoints;
67 
68 class VTKFILTERSGENERAL_EXPORT vtkTessellatorFilter : public vtkUnstructuredGridAlgorithm
69 {
70 public:
72  void PrintSelf(ostream& os, vtkIndent indent) override;
73 
75 
77  vtkGetObjectMacro(Tessellator, vtkStreamingTessellator);
78 
80  vtkGetObjectMacro(Subdivider, vtkDataSetEdgeSubdivisionCriterion);
81 
82  vtkMTimeType GetMTime() override;
83 
85 
93  vtkSetClampMacro(OutputDimension, int, 1, 3);
94  vtkGetMacro(OutputDimension, int);
96 
97  int GetOutputDimension() const;
98 
100 
105  virtual void SetMaximumNumberOfSubdivisions(int num_subdiv_in);
107  virtual void SetChordError(double ce);
108  double GetChordError();
110 
112 
115  virtual void ResetFieldCriteria();
116  virtual void SetFieldCriterion(int field, double chord);
118 
120 
126  vtkGetMacro(MergePoints, vtkTypeBool);
127  vtkSetMacro(MergePoints, vtkTypeBool);
128  vtkBooleanMacro(MergePoints, vtkTypeBool);
130 
131 protected:
134 
136 
143 
148 
152  void Teardown();
153 
157  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
158  vtkInformationVector* outputVector) override;
159 
165 
167 
176 
177  static void AddAPoint(const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
178  static void AddALine(
179  const double*, const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
180  static void AddATriangle(
181  const double*, const double*, const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
182  static void AddATetrahedron(const double*, const double*, const double*, const double*,
183  vtkEdgeSubdivisionCriterion*, void*, const void*);
184  void OutputPoint(const double*);
185  void OutputLine(const double*, const double*);
186  void OutputTriangle(const double*, const double*, const double*);
187  void OutputTetrahedron(const double*, const double*, const double*, const double*);
188 
189 private:
191  void operator=(const vtkTessellatorFilter&) = delete;
192 };
193 
195 {
196  return this->OutputDimension;
197 }
198 
199 #endif // vtkTessellatorFilter_h
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:50
a subclass of vtkEdgeSubdivisionCriterion for vtkDataSet objects.
abstract class to specify dataset behavior
Definition: vtkDataSet.h:57
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:34
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:34
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)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void SetFieldCriterion(int field, double chord)
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...
vtkDataArray ** OutputAttributes
static void AddAPoint(const double *, vtkEdgeSubdivisionCriterion *, void *, const void *)
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()
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.
virtual int GetOutputDimension()
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 *)
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:183
@ info
Definition: vtkX3D.h:382
@ port
Definition: vtkX3D.h:453
int vtkTypeBool
Definition: vtkABI.h:69
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:293