VTK  9.1.0
vtkImageBSplineInterpolator.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkImageBSplineInterpolator.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
37 #ifndef vtkImageBSplineInterpolator_h
38 #define vtkImageBSplineInterpolator_h
39 
41 #include "vtkImagingCoreModule.h" // For export macro
42 
43 #define VTK_IMAGE_BSPLINE_DEGREE_MAX 9
44 
45 class vtkImageData;
47 
48 class VTKIMAGINGCORE_EXPORT vtkImageBSplineInterpolator : public vtkAbstractImageInterpolator
49 {
50 public:
53  void PrintSelf(ostream& os, vtkIndent indent) override;
54 
56 
62  int GetSplineDegree() { return this->SplineDegree; }
63  int GetSplineDegreeMinValue() { return 0; }
66 
73  void ComputeSupportSize(const double matrix[16], int size[3]) override;
74 
79  bool IsSeparable() override;
80 
82 
92  void PrecomputeWeightsForExtent(const double matrix[16], const int extent[6], int newExtent[6],
93  vtkInterpolationWeights*& weights) override;
94  void PrecomputeWeightsForExtent(const float matrix[16], const int extent[6], int newExtent[6],
95  vtkInterpolationWeights*& weights) override;
97 
102 
103 protected:
106 
110  void InternalUpdate() override;
111 
116 
118 
122  void (**doublefunc)(vtkInterpolationInfo*, const double[3], double*)) override;
124  void (**floatfunc)(vtkInterpolationInfo*, const float[3], float*)) override;
126 
128 
132  void (**doublefunc)(vtkInterpolationWeights*, int, int, int, double*, int)) override;
134  void (**floatfunc)(vtkInterpolationWeights*, int, int, int, float*, int)) override;
136 
140  virtual void BuildKernelLookupTable();
141 
145  virtual void FreeKernelLookupTable();
146 
149 
150 private:
152  void operator=(const vtkImageBSplineInterpolator&) = delete;
153 };
154 
155 #endif
interpolate data values from images
perform b-spline interpolation on images
virtual void BuildKernelLookupTable()
Build the lookup tables used for the interpolation.
void GetRowInterpolationFunc(void(**floatfunc)(vtkInterpolationWeights *, int, int, int, float *, int)) override
Get the row interpolation functions.
void InternalUpdate() override
Update the interpolator.
void PrecomputeWeightsForExtent(const double matrix[16], const int extent[6], int newExtent[6], vtkInterpolationWeights *&weights) override
If the data is going to be sampled on a regular grid, then the interpolation weights can be precomput...
void GetRowInterpolationFunc(void(**doublefunc)(vtkInterpolationWeights *, int, int, int, double *, int)) override
Get the row interpolation functions.
virtual void FreeKernelLookupTable()
Free the kernel lookup tables.
void InternalDeepCopy(vtkAbstractImageInterpolator *obj) override
Copy the interpolator.
int GetSplineDegreeMinValue()
Set the degree of the spline polynomial.
~vtkImageBSplineInterpolator() override
void SetSplineDegree(int degree)
Set the degree of the spline polynomial.
int GetSplineDegreeMaxValue()
Set the degree of the spline polynomial.
void GetInterpolationFunc(void(**floatfunc)(vtkInterpolationInfo *, const float[3], float *)) override
Get the interpolation functions.
void PrecomputeWeightsForExtent(const float matrix[16], const int extent[6], int newExtent[6], vtkInterpolationWeights *&weights) override
If the data is going to be sampled on a regular grid, then the interpolation weights can be precomput...
void GetInterpolationFunc(void(**doublefunc)(vtkInterpolationInfo *, const double[3], double *)) override
Get the interpolation functions.
void FreePrecomputedWeights(vtkInterpolationWeights *&weights) override
Free the precomputed weights.
bool IsSeparable() override
Returns true if the interpolator supports weight precomputation.
int GetSplineDegree()
Set the degree of the spline polynomial.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void ComputeSupportSize(const double matrix[16], int size[3]) override
Get the support size for use in computing update extents.
static vtkImageBSplineInterpolator * New()
topologically and geometrically regular array of data
Definition: vtkImageData.h:48
a simple class to control print indentation
Definition: vtkIndent.h:34
@ extent
Definition: vtkX3D.h:351
@ size
Definition: vtkX3D.h:259
boost::graph_traits< vtkGraph * >::degree_size_type degree(boost::graph_traits< vtkGraph * >::vertex_descriptor u, vtkGraph *g)
#define VTK_IMAGE_BSPLINE_DEGREE_MAX