VTK  9.3.1
vtkEdgeSubdivisionCriterion.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-USGov
4 #ifndef vtkEdgeSubdivisionCriterion_h
5 #define vtkEdgeSubdivisionCriterion_h
6 
28 #include "vtkFiltersCoreModule.h" // For export macro
29 #include "vtkObject.h"
30 
31 VTK_ABI_NAMESPACE_BEGIN
33 class vtkMatrix4x4;
35 
36 class VTKFILTERSCORE_EXPORT vtkEdgeSubdivisionCriterion : public vtkObject
37 {
38 public:
40  void PrintSelf(ostream& os, vtkIndent indent) override;
41 
47  virtual bool EvaluateLocationAndFields(double* p1, int field_start) = 0;
48 
57  virtual int PassField(int sourceId, int sourceSize, vtkStreamingTessellator* t);
58 
64  virtual void ResetFieldList();
65 
71  virtual bool DontPassField(int sourceId, vtkStreamingTessellator* t);
72 
78  const int* GetFieldIds() const;
79 
85  const int* GetFieldOffsets() const;
86 
91  int GetOutputField(int fieldId) const;
92 
98  int GetNumberOfFields() const;
99 
100 protected:
102  ~vtkEdgeSubdivisionCriterion() override;
103 
104  int* FieldIds;
107 
133  bool ViewDependentEval(const double* p0, double* p1, double* p1_actual, const double* p2,
134  int field_start, vtkMatrix4x4* viewtrans, const double* pixelSize,
135  double allowableChordErr) const;
136 
168  bool FixedFieldErrorEval(double* p1, double* p1_actual, int field_start, int field_criteria,
169  double* allowableFieldErr) const;
170 
171 private:
173  void operator=(const vtkEdgeSubdivisionCriterion&) = delete;
174 };
175 
177 {
178  return this->FieldIds;
179 }
181 {
182  return this->FieldOffsets;
183 }
185 {
186  return this->NumberOfFields;
187 }
188 
189 VTK_ABI_NAMESPACE_END
190 #endif // vtkEdgeSubdivisionCriterion_h
abstract base class for most VTK objects
Definition: vtkObject.h:51
represent and manipulate 4x4 transformation matrices
Definition: vtkMatrix4x4.h:30
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
An algorithm that refines an initial simplicial tessellation using edge subdivision.
a simple class to control print indentation
Definition: vtkIndent.h:28
represent and manipulate attribute data in a dataset
how to decide whether a linear approximation to nonlinear geometry or field should be subdivided ...
int GetNumberOfFields() const
Return the number of fields being evaluated at each output vertex.
const int * GetFieldIds() const
Return the map from output field id to input field ids.
const int * GetFieldOffsets() const
Return the offset into an output vertex array of all fields.