dox/Graphics/vtkSelectEnclosedPoints.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkSelectEnclosedPoints.h,v $

  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 "vtkDataSetAlgorithm.h"

class vtkUnsignedCharArray;
class vtkCellLocator;
class vtkIdList;
class vtkGenericCell;


class VTK_GRAPHICS_EXPORT vtkSelectEnclosedPoints : public vtkDataSetAlgorithm
{
public:

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

  static vtkSelectEnclosedPoints *New();


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


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


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


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

  int IsInside(vtkIdType inputPtId);


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


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

protected:
  vtkSelectEnclosedPoints();
  ~vtkSelectEnclosedPoints();

  int    CheckSurface;
  int    InsideOut;
  double Tolerance;

  int IsSurfaceClosed(vtkPolyData *surface);
  vtkUnsignedCharArray *InsideOutsideArray;

  // Internal structures for accelerating the intersection test
  vtkCellLocator *CellLocator;
  vtkIdList      *CellIds;
  vtkGenericCell *Cell;
  vtkPolyData    *Surface;
  double          Bounds[6];
  double          Length;
  
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int, vtkInformation *);

  virtual void ReportReferences(vtkGarbageCollector*);

private:
  vtkSelectEnclosedPoints(const vtkSelectEnclosedPoints&);  // Not implemented.
  void operator=(const vtkSelectEnclosedPoints&);  // Not implemented.
};

#endif

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