---

Common/vtkPointSet.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkPointSet.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkPointSet_h
#define __vtkPointSet_h

#include "vtkDataSet.h"

#include "vtkPoints.h" // Needed for inline methods

class vtkPointLocator;

class VTK_COMMON_EXPORT vtkPointSet : public vtkDataSet
{
public:
  vtkTypeRevisionMacro(vtkPointSet,vtkDataSet);
  void PrintSelf(ostream& os, vtkIndent indent);

  void Initialize();

  void CopyStructure(vtkDataSet *pd);


  vtkIdType GetNumberOfPoints();
  float *GetPoint(vtkIdType ptId) {return this->Points->GetPoint(ptId);};
  void GetPoint(vtkIdType ptId, float x[3]) {this->Points->GetPoint(ptId,x);};
  vtkIdType FindPoint(float x[3]);
  vtkIdType FindPoint(float x, float y, float z) { return this->vtkDataSet::FindPoint(x, y, z);};
  vtkIdType FindCell(float x[3], vtkCell *cell, vtkIdType cellId, float tol2,
               int& subId, float pcoords[3], float *weights);
  vtkIdType FindCell(float x[3], vtkCell *cell, vtkGenericCell *gencell,
               vtkIdType cellId, float tol2, int& subId, 
               float pcoords[3], float *weights);

  unsigned long GetMTime();

  void ComputeBounds();
  
  void Squeeze();


  virtual void SetPoints(vtkPoints*);
  vtkGetObjectMacro(Points,vtkPoints);

  virtual void UnRegister(vtkObjectBase *o);
  
  virtual int GetNetReferenceCount();

  unsigned long GetActualMemorySize();


  void ShallowCopy(vtkDataObject *src);  
  void DeepCopy(vtkDataObject *src);

protected:
  vtkPointSet();
  ~vtkPointSet();

  vtkPoints *Points;
  vtkPointLocator *Locator;

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

inline vtkIdType vtkPointSet::GetNumberOfPoints()
{
  if (this->Points)
    {
    return this->Points->GetNumberOfPoints();
    }
  else
    {
    return 0;
    }
}


#endif

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