vtkInterpolationKernel.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkInterpolationKernel.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 vtkInterpolationKernel_h
#define vtkInterpolationKernel_h
 
#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkObject.h"
 
class vtkAbstractPointLocator;
class vtkIdList;
class vtkDoubleArray;
class vtkDataSet;
class vtkPointData;
 
class VTKFILTERSPOINTS_EXPORT vtkInterpolationKernel : public vtkObject
{
public:
 
  vtkAbstractTypeMacro(vtkInterpolationKernel, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  virtual void Initialize(vtkAbstractPointLocator* loc, vtkDataSet* ds, vtkPointData* pd);
 
 
  vtkSetMacro(RequiresInitialization, bool);
  vtkGetMacro(RequiresInitialization, bool);
  vtkBooleanMacro(RequiresInitialization, bool);
 
  virtual vtkIdType ComputeBasis(double x[3], vtkIdList* pIds, vtkIdType ptId = 0) = 0;
 
  virtual vtkIdType ComputeWeights(double x[3], vtkIdList* pIds, vtkDoubleArray* weights) = 0;
 
protected:
  vtkInterpolationKernel();
  ~vtkInterpolationKernel() override;
 
  bool RequiresInitialization;
  vtkAbstractPointLocator* Locator;
  vtkDataSet* DataSet;
  vtkPointData* PointData;
 
  // Just clear out the data. Can be overloaded by subclasses as necessary.
  virtual void FreeStructures();
 
private:
  vtkInterpolationKernel(const vtkInterpolationKernel&) = delete;
  void operator=(const vtkInterpolationKernel&) = delete;
};
 
#endif