vtkTessellatorFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2003 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-NVIDIA-USGov
#ifndef vtkTessellatorFilter_h
#define vtkTessellatorFilter_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkDataArray;
class vtkDataSet;
class vtkDataSetEdgeSubdivisionCriterion;
class vtkPointLocator;
class vtkPoints;
class vtkStreamingTessellator;
class vtkEdgeSubdivisionCriterion;
class vtkUnstructuredGrid;
 
class VTKFILTERSGENERAL_EXPORT vtkTessellatorFilter : public vtkUnstructuredGridAlgorithm
{
public:
  vtkTypeMacro(vtkTessellatorFilter, vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkTessellatorFilter* New();
 
  virtual void SetTessellator(vtkStreamingTessellator*);
  vtkGetObjectMacro(Tessellator, vtkStreamingTessellator);
 
  virtual void SetSubdivider(vtkDataSetEdgeSubdivisionCriterion*);
  vtkGetObjectMacro(Subdivider, vtkDataSetEdgeSubdivisionCriterion);
 
  vtkMTimeType GetMTime() override;
 
 
  vtkSetClampMacro(OutputDimension, int, 1, 3);
  vtkGetMacro(OutputDimension, int);
 
// With VTK_USE_FUTURE_CONST, vtkGetMacro already makes the member const.
#if !VTK_USE_FUTURE_CONST
  int GetOutputDimension() const;
#endif
 
 
  virtual void SetMaximumNumberOfSubdivisions(int num_subdiv_in);
  int GetMaximumNumberOfSubdivisions();
  virtual void SetChordError(double ce);
  double GetChordError();
 
 
  virtual void ResetFieldCriteria();
  virtual void SetFieldCriterion(int field, double err);
 
 
  vtkGetMacro(MergePoints, vtkTypeBool);
  vtkSetMacro(MergePoints, vtkTypeBool);
  vtkBooleanMacro(MergePoints, vtkTypeBool);
 
protected:
  vtkTessellatorFilter();
  ~vtkTessellatorFilter() override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  void SetupOutput(vtkDataSet* input, vtkUnstructuredGrid* output);
 
  void MergeOutputPoints(vtkUnstructuredGrid* input, vtkUnstructuredGrid* output);
 
  void Teardown();
 
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  vtkStreamingTessellator* Tessellator;
  vtkDataSetEdgeSubdivisionCriterion* Subdivider;
  int OutputDimension;
  vtkTypeBool MergePoints;
  vtkPointLocator* Locator;
 
 
  vtkUnstructuredGrid* OutputMesh;
  vtkPoints* OutputPoints;
  vtkDataArray** OutputAttributes;
  int* OutputAttributeIndices;
 
  static void AddAPoint(const double*, vtkEdgeSubdivisionCriterion*, void*, const void*);
  static void AddALine(
    const double*, 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*);
  void OutputPoint(const double*);
  void OutputLine(const double*, const double*);
  void OutputTriangle(const double*, const double*, const double*);
  void OutputTetrahedron(const double*, const double*, const double*, const double*);
 
private:
  vtkTessellatorFilter(const vtkTessellatorFilter&) = delete;
  void operator=(const vtkTessellatorFilter&) = delete;
};
 
// With VTK_USE_FUTURE_CONST, vtkGetMacro already makes the member const.
#if !VTK_USE_FUTURE_CONST
inline int vtkTessellatorFilter::GetOutputDimension() const
{
  return this->OutputDimension;
}
#endif
 
VTK_ABI_NAMESPACE_END
#endif // vtkTessellatorFilter_h