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

  Program:   Visualization Toolkit
  Module:    vtkCellLocatorInterpolatedVelocityField.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 vtkCellLocatorInterpolatedVelocityField_h
#define vtkCellLocatorInterpolatedVelocityField_h

#include "vtkFiltersFlowPathsModule.h" // For export macro
#include "vtkCompositeInterpolatedVelocityField.h"

class vtkAbstractCellLocator;
class vtkCellLocatorInterpolatedVelocityFieldCellLocatorsType;

class VTKFILTERSFLOWPATHS_EXPORT vtkCellLocatorInterpolatedVelocityField : public vtkCompositeInterpolatedVelocityField
{
public:
  vtkTypeMacro( vtkCellLocatorInterpolatedVelocityField,
                        vtkCompositeInterpolatedVelocityField );
  void PrintSelf( ostream & os, vtkIndent indent );

  static vtkCellLocatorInterpolatedVelocityField * New();


  vtkGetObjectMacro( LastCellLocator, vtkAbstractCellLocator );


  vtkGetObjectMacro( CellLocatorPrototype, vtkAbstractCellLocator );

  void SetCellLocatorPrototype( vtkAbstractCellLocator * prototype );

  virtual void CopyParameters( vtkAbstractInterpolatedVelocityField * from );
  virtual void AddDataSet( vtkDataSet * dataset );

  virtual int FunctionValues( double * x, double * f );

  virtual void SetLastCellId( vtkIdType c, int dataindex );


  virtual void SetLastCellId( vtkIdType c )
    { this->Superclass::SetLastCellId( c ); }

protected:
  vtkCellLocatorInterpolatedVelocityField();
  ~vtkCellLocatorInterpolatedVelocityField();


  int FunctionValues( vtkDataSet * ds, vtkAbstractCellLocator * loc,
                      double * x, double * f );


  virtual int FunctionValues( vtkDataSet * ds, double * x, double * f )
    { return this->Superclass::FunctionValues( ds, x, f ); }

private:
  vtkAbstractCellLocator * LastCellLocator;
  vtkAbstractCellLocator * CellLocatorPrototype;
  vtkCellLocatorInterpolatedVelocityFieldCellLocatorsType * CellLocators;

  vtkCellLocatorInterpolatedVelocityField
    ( const vtkCellLocatorInterpolatedVelocityField & );  // Not implemented.
  void operator = ( const vtkCellLocatorInterpolatedVelocityField & );  // Not implemented.
};

#endif