vtkLocator.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkLocator.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 __vtkLocator_h
#define __vtkLocator_h

#include "vtkObject.h"

class vtkDataSet;
class vtkPolyData;

class VTK_FILTERING_EXPORT vtkLocator : public vtkObject
{
public:
  vtkTypeRevisionMacro(vtkLocator,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetDataSet(vtkDataSet*);
  vtkGetObjectMacro(DataSet,vtkDataSet);


  vtkSetClampMacro(MaxLevel,int,0,VTK_LARGE_INTEGER);
  vtkGetMacro(MaxLevel,int);


  vtkGetMacro(Level,int);


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


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


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

  virtual void Update();

  virtual void Initialize();

  virtual void BuildLocator() = 0;

  virtual void FreeSearchStructure() = 0;

  virtual void GenerateRepresentation(int level, vtkPolyData *pd) = 0;


  vtkGetMacro(BuildTime, unsigned long);


  virtual void Register(vtkObjectBase *o);
  virtual void UnRegister(vtkObjectBase *o);
protected:
  vtkLocator();
  ~vtkLocator();

  vtkDataSet *DataSet;
  int Automatic; // boolean controls automatic subdivision (or uses user spec.)
  double Tolerance; // for performing merging
  int MaxLevel;
  int Level;
  int RetainCellLists;

  vtkTimeStamp BuildTime;  // time at which locator was built

  virtual void ReportReferences(vtkGarbageCollector*);
private:
  vtkLocator(const vtkLocator&);  // Not implemented.
  void operator=(const vtkLocator&);  // Not implemented.
};

#endif

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