vtkScalarTree.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkScalarTree.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 vtkScalarTree_h
#define vtkScalarTree_h
 
#include "vtkCommonExecutionModelModule.h" // For export macro
#include "vtkObject.h"
 
class vtkCell;
class vtkDataArray;
class vtkDataSet;
class vtkIdList;
class vtkTimeStamp;
 
class VTKCOMMONEXECUTIONMODEL_EXPORT vtkScalarTree : public vtkObject
{
public:
  vtkTypeMacro(vtkScalarTree,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  virtual void SetDataSet(vtkDataSet*);
  vtkGetObjectMacro(DataSet,vtkDataSet);
 
  virtual void BuildTree() = 0;
 
  virtual void Initialize() = 0;
 
  virtual void InitTraversal(double scalarValue) = 0;
 
 
  virtual vtkCell *GetNextCell(vtkIdType &cellId, vtkIdList* &ptIds,
                               vtkDataArray *cellScalars) = 0;
 
protected:
  vtkScalarTree();
  ~vtkScalarTree();
 
  vtkDataSet   *DataSet;    //the dataset over which the scalar tree is built
  vtkDataArray *Scalars;    //the scalars of the DataSet
 
  vtkTimeStamp BuildTime; //time at which tree was built
  double       ScalarValue; //current scalar value for traversal
 
private:
  vtkScalarTree(const vtkScalarTree&);  // Not implemented.
  void operator=(const vtkScalarTree&);  // Not implemented.
};
 
#endif