vtkSelectEnclosedPoints.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkSelectEnclosedPoints.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkSelectEnclosedPoints_h
#define vtkSelectEnclosedPoints_h

#include "vtkFiltersModelingModule.h" // For export macro
#include "vtkDataSetAlgorithm.h"
#include "vtkIntersectionCounter.h" // to count intersections along ray

class vtkUnsignedCharArray;
class vtkAbstractCellLocator;
class vtkStaticCellLocator;
class vtkIdList;
class vtkGenericCell;
class vtkRandomPool;


class VTKFILTERSMODELING_EXPORT vtkSelectEnclosedPoints : public vtkDataSetAlgorithm
{
public:

  vtkTypeMacro(vtkSelectEnclosedPoints,vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkSelectEnclosedPoints *New();


  void SetSurfaceData(vtkPolyData *pd);
  void SetSurfaceConnection(vtkAlgorithmOutput* algOutput);


  vtkPolyData *GetSurface();
  vtkPolyData *GetSurface(vtkInformationVector *sourceInfo);


  vtkSetMacro(InsideOut,vtkTypeBool);
  vtkBooleanMacro(InsideOut,vtkTypeBool);
  vtkGetMacro(InsideOut,vtkTypeBool);


  vtkSetMacro(CheckSurface,vtkTypeBool);
  vtkBooleanMacro(CheckSurface,vtkTypeBool);
  vtkGetMacro(CheckSurface,vtkTypeBool);

  int IsInside(vtkIdType inputPtId);


  vtkSetClampMacro(Tolerance,double,0.0,VTK_FLOAT_MAX);
  vtkGetMacro(Tolerance,double);


  void Initialize(vtkPolyData *surface);
  int IsInsideSurface(double x[3]);
  int IsInsideSurface(double x, double y, double z);
  void Complete();

  static int IsInsideSurface(double x[3], vtkPolyData *surface, double bds[6],
                             double length,  double tol, vtkAbstractCellLocator *locator,
                             vtkIdList *cellIds, vtkGenericCell *genCell,
                             vtkIntersectionCounter &counter,
                             vtkRandomPool* poole=nullptr, vtkIdType seqIdx=0);

  static int IsSurfaceClosed(vtkPolyData *surface);

protected:
  vtkSelectEnclosedPoints();
  ~vtkSelectEnclosedPoints() override;

  vtkTypeBool    CheckSurface;
  vtkTypeBool    InsideOut;
  double Tolerance;

  vtkUnsignedCharArray *InsideOutsideArray;

  // Internal structures for accelerating the intersection test
  vtkStaticCellLocator *CellLocator;
  vtkIdList      *CellIds;
  vtkGenericCell *Cell;
  vtkPolyData    *Surface;
  double          Bounds[6];
  double          Length;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  int FillInputPortInformation(int, vtkInformation *) override;

  void ReportReferences(vtkGarbageCollector*) override;

private:
  vtkSelectEnclosedPoints(const vtkSelectEnclosedPoints&) = delete;
  void operator=(const vtkSelectEnclosedPoints&) = delete;
};

#endif