vtkGenericSubdivisionErrorMetric.h

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

  Program:   Visualization Toolkit
  Module:    vtkGenericSubdivisionErrorMetric.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 vtkGenericSubdivisionErrorMetric_h
#define vtkGenericSubdivisionErrorMetric_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"

class vtkGenericAttributeCollection;
class vtkGenericAdaptorCell;
class vtkGenericDataSet;

class VTKCOMMONDATAMODEL_EXPORT vtkGenericSubdivisionErrorMetric : public vtkObject
{
public:

  vtkTypeMacro(vtkGenericSubdivisionErrorMetric,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual int RequiresEdgeSubdivision(double *leftPoint, double *midPoint,
                                      double *rightPoint, double alpha)=0;


  virtual double GetError(double *leftPoint, double *midPoint,
                          double *rightPoint, double alpha)=0;


  void SetGenericCell(vtkGenericAdaptorCell *cell);
  vtkGetObjectMacro(GenericCell,vtkGenericAdaptorCell);


  void SetDataSet(vtkGenericDataSet *ds);
  vtkGetObjectMacro(DataSet,vtkGenericDataSet);

protected:
  vtkGenericSubdivisionErrorMetric();
  ~vtkGenericSubdivisionErrorMetric();

  vtkGenericAdaptorCell *GenericCell;
  vtkGenericDataSet *DataSet;

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

#endif