vtkOverlappingCellsDetector.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkOverlappingCellsDetector_h
#define vtkOverlappingCellsDetector_h
 
#include "vtkFiltersParallelDIY2Module.h" // for export macros
#include "vtkPassInputTypeAlgorithm.h"
 
#include "vtkBoundingBox.h" // For DetectOverlappingCells
 
#include <set>           // For DetectOverlappingCells
#include <unordered_map> // For DetectOverlappingCells
#include <vector>        // For DetectOverlappingCells
 
VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class vtkMultiProcessController;
class vtkPointSet;
 
class VTKFILTERSPARALLELDIY2_EXPORT vtkOverlappingCellsDetector : public vtkPassInputTypeAlgorithm
{
public:
  static vtkOverlappingCellsDetector* New();
  vtkTypeMacro(vtkOverlappingCellsDetector, vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetController(vtkMultiProcessController*);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);


  vtkGetMacro(Tolerance, double);
  vtkSetMacro(Tolerance, double);


  vtkGetStringMacro(NumberOfOverlapsPerCellArrayName);
  vtkSetStringMacro(NumberOfOverlapsPerCellArrayName);
 
protected:
  vtkOverlappingCellsDetector();
  ~vtkOverlappingCellsDetector() override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  int ExposeOverlappingCellsAmongBlocks(std::vector<vtkPointSet*>& outputs);

  bool DetectOverlappingCells(vtkDataSet* queryCellDataSet, vtkPointSet* queryPointCloud,
    const std::vector<vtkBoundingBox>& queryCellBoundingBoxes, vtkDataSet* cellDataSet,
    vtkPointSet* pointCloud, const std::vector<vtkBoundingBox>& cellBoundingBoxes,
    std::unordered_map<vtkIdType, std::set<vtkIdType>>& collisionListMap,
    bool updateProgress = false);

  vtkMultiProcessController* Controller;

  char* NumberOfOverlapsPerCellArrayName;

  double Tolerance;
 
private:
  vtkOverlappingCellsDetector(const vtkOverlappingCellsDetector&) = delete;
  void operator=(const vtkOverlappingCellsDetector&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif