vtkTupleInterpolator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkTupleInterpolator_h
#define vtkTupleInterpolator_h
 
#include "vtkObject.h"
#include "vtkRenderingCoreModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkSpline;
class vtkPiecewiseFunction;
 
class VTKRENDERINGCORE_EXPORT vtkTupleInterpolator : public vtkObject
{
public:
  vtkTypeMacro(vtkTupleInterpolator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkTupleInterpolator* New();
 
 
  void SetNumberOfComponents(int numComp);
  vtkGetMacro(NumberOfComponents, int);
 
  int GetNumberOfTuples();
 
 
  double GetMinimumT();
  double GetMaximumT();
 
  void Initialize();
 
  void FillFromData(int nb, double* t, double** data, bool isSOADataArray = false);
 
  void AddTuple(double t, double tuple[]);
 
  void RemoveTuple(double t);
 
  void InterpolateTuple(double t, double tuple[]);
 
  enum
  {
    INTERPOLATION_TYPE_LINEAR = 0,
    INTERPOLATION_TYPE_SPLINE
  };
 
 
  void SetInterpolationType(int type);
  vtkGetMacro(InterpolationType, int);
  void SetInterpolationTypeToLinear() { this->SetInterpolationType(INTERPOLATION_TYPE_LINEAR); }
  void SetInterpolationTypeToSpline() { this->SetInterpolationType(INTERPOLATION_TYPE_SPLINE); }
 
 
  void SetInterpolatingSpline(vtkSpline*);
  vtkGetObjectMacro(InterpolatingSpline, vtkSpline);
 
protected:
  vtkTupleInterpolator();
  ~vtkTupleInterpolator() override;
 
  // The number of components being interpolated
  int NumberOfComponents;
 
  // Specify the type of interpolation to use
  int InterpolationType;
 
  // This is the default 1D spline to use
  vtkSpline* InterpolatingSpline;
 
  // Internal variables for interpolation functions
  void InitializeInterpolation();
  vtkPiecewiseFunction** Linear;
  vtkSpline** Spline;
 
private:
  vtkTupleInterpolator(const vtkTupleInterpolator&) = delete;
  void operator=(const vtkTupleInterpolator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif