VTK  9.3.0
vtkCardinalSpline.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
28 #ifndef vtkCardinalSpline_h
29 #define vtkCardinalSpline_h
30 
31 #include "vtkCommonComputationalGeometryModule.h" // For export macro
32 #include "vtkSpline.h"
33 
34 VTK_ABI_NAMESPACE_BEGIN
35 class VTKCOMMONCOMPUTATIONALGEOMETRY_EXPORT vtkCardinalSpline : public vtkSpline
36 {
37 public:
39 
40  vtkTypeMacro(vtkCardinalSpline, vtkSpline);
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
46  void Compute() override;
47 
51  double Evaluate(double t) override;
52 
56  void DeepCopy(vtkSpline* s) override;
57 
58 protected:
60  ~vtkCardinalSpline() override = default;
61 
62  void Fit1D(int size, double* x, double* y, double* w, double coefficients[][4],
63  int leftConstraint, double leftValue, int rightConstraint, double rightValue);
64 
65  void FitClosed1D(int size, double* x, double* y, double* w, double coefficients[][4]);
66 
67 private:
68  vtkCardinalSpline(const vtkCardinalSpline&) = delete;
69  void operator=(const vtkCardinalSpline&) = delete;
70 };
71 
72 VTK_ABI_NAMESPACE_END
73 #endif
computes an interpolating spline using a a Cardinal basis.
void Fit1D(int size, double *x, double *y, double *w, double coefficients[][4], int leftConstraint, double leftValue, int rightConstraint, double rightValue)
~vtkCardinalSpline() override=default
void Compute() override
Compute Cardinal Splines for each dependent variable.
static vtkCardinalSpline * New()
double Evaluate(double t) override
Evaluate a 1D cardinal spline.
void DeepCopy(vtkSpline *s) override
Deep copy of cardinal spline data.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void FitClosed1D(int size, double *x, double *y, double *w, double coefficients[][4])
a simple class to control print indentation
Definition: vtkIndent.h:38
spline abstract class for interpolating splines
Definition: vtkSpline.h:52
@ size
Definition: vtkX3D.h:253