vtkStaticCleanUnstructuredGrid.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkStaticCleanUnstructuredGrid_h
#define vtkStaticCleanUnstructuredGrid_h
 
#include "vtkFiltersCoreModule.h"  // For export macro
#include "vtkSmartPointer.h"       // Pointer to locator
#include "vtkStaticPointLocator.h" // Locator
#include "vtkUnstructuredGridAlgorithm.h"
#include <vector> // API to vtkStaticCleanUnstructuredGrid
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCellArray;
class vtkCellData;
class vtkPointData;
class vtkPoints;
 
class VTKFILTERSCORE_EXPORT vtkStaticCleanUnstructuredGrid : public vtkUnstructuredGridAlgorithm
{
public:
 
  static vtkStaticCleanUnstructuredGrid* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkTypeMacro(vtkStaticCleanUnstructuredGrid, vtkUnstructuredGridAlgorithm);
 
 
  vtkSetMacro(ToleranceIsAbsolute, bool);
  vtkBooleanMacro(ToleranceIsAbsolute, bool);
  vtkGetMacro(ToleranceIsAbsolute, bool);
 
 
  vtkSetClampMacro(AbsoluteTolerance, double, 0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(AbsoluteTolerance, double);
 
 
  vtkSetClampMacro(Tolerance, double, 0.0, 1.0);
  vtkGetMacro(Tolerance, double);
 
 
  vtkSetStringMacro(MergingArray);
  vtkGetStringMacro(MergingArray);
 
 
  vtkSetMacro(RemoveUnusedPoints, bool);
  vtkBooleanMacro(RemoveUnusedPoints, bool);
  vtkGetMacro(RemoveUnusedPoints, bool);
 
 
  vtkSetMacro(ProduceMergeMap, bool);
  vtkBooleanMacro(ProduceMergeMap, bool);
  vtkGetMacro(ProduceMergeMap, bool);
 
 
  vtkSetMacro(AveragePointData, bool);
  vtkBooleanMacro(AveragePointData, bool);
  vtkGetMacro(AveragePointData, bool);
 
 
  vtkSetMacro(OutputPointsPrecision, int);
  vtkGetMacro(OutputPointsPrecision, int);
 
  vtkGetObjectMacro(Locator, vtkStaticPointLocator);
 
  // This filter is difficult to stream.  To produce invariant results, the
  // whole input must be processed at once.  This flag allows the user to
  // select whether strict piece invariance is required.  By default it is
  // on.  When off, the filter can stream, but results may change.
  vtkSetMacro(PieceInvariant, bool);
  vtkGetMacro(PieceInvariant, bool);
  vtkBooleanMacro(PieceInvariant, bool);
 
  vtkMTimeType GetMTime() override;
 
protected:
  vtkStaticCleanUnstructuredGrid();
  ~vtkStaticCleanUnstructuredGrid() override = default;
 
  // Usual data generation method
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  bool ToleranceIsAbsolute;
  double Tolerance;
  double AbsoluteTolerance;
  char* MergingArray;
  bool RemoveUnusedPoints;
  bool ProduceMergeMap;
  bool AveragePointData;
  int OutputPointsPrecision;
  bool PieceInvariant;
 
  // Internal locator for performing point merging
  vtkSmartPointer<vtkStaticPointLocator> Locator;
 
  // These methods are made static so that vtkStaticCleanPolyData can use them
  friend class vtkStaticCleanPolyData;
  static void MarkPointUses(vtkCellArray* ca, vtkIdType* mergeMap, unsigned char* ptUses);
  static vtkIdType BuildPointMap(
    vtkIdType numPts, vtkIdType* pmap, unsigned char* ptUses, std::vector<vtkIdType>& mergeMap);
  static void CopyPoints(
    vtkPoints* inPts, vtkPointData* inPD, vtkPoints* outPts, vtkPointData* outPD, vtkIdType* ptMap);
  static void AveragePoints(vtkPoints* inPts, vtkPointData* inPD, vtkPoints* outPts,
    vtkPointData* outPD, vtkIdType* ptMap, double tol);
 
private:
  vtkStaticCleanUnstructuredGrid(const vtkStaticCleanUnstructuredGrid&) = delete;
  void operator=(const vtkStaticCleanUnstructuredGrid&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif