VTK  9.0.1
vtkImageInterpolator.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkImageInterpolator.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 =========================================================================*/
28 #ifndef vtkImageInterpolator_h
29 #define vtkImageInterpolator_h
30 
32 #include "vtkImagingCoreModule.h" // For export macro
33 
34 class VTKIMAGINGCORE_EXPORT vtkImageInterpolator : public vtkAbstractImageInterpolator
35 {
36 public:
37  static vtkImageInterpolator* New();
39  void PrintSelf(ostream& os, vtkIndent indent) override;
40 
42 
46  virtual void SetInterpolationMode(int mode);
47  void SetInterpolationModeToNearest() { this->SetInterpolationMode(VTK_NEAREST_INTERPOLATION); }
48  void SetInterpolationModeToLinear() { this->SetInterpolationMode(VTK_LINEAR_INTERPOLATION); }
49  void SetInterpolationModeToCubic() { this->SetInterpolationMode(VTK_CUBIC_INTERPOLATION); }
50  int GetInterpolationMode() { return this->InterpolationMode; }
51  virtual const char* GetInterpolationModeAsString();
53 
60  void ComputeSupportSize(const double matrix[16], int support[3]) override;
61 
66  bool IsSeparable() override;
67 
69 
78  void PrecomputeWeightsForExtent(const double matrix[16], const int extent[6], int newExtent[6],
79  vtkInterpolationWeights*& weights) override;
80  void PrecomputeWeightsForExtent(const float matrix[16], const int extent[6], int newExtent[6],
81  vtkInterpolationWeights*& weights) override;
83 
87  void FreePrecomputedWeights(vtkInterpolationWeights*& weights) override;
88 
89 protected:
91  ~vtkImageInterpolator() override;
92 
96  void InternalUpdate() override;
97 
102 
104 
108  void (**doublefunc)(vtkInterpolationInfo*, const double[3], double*)) override;
110  void (**floatfunc)(vtkInterpolationInfo*, const float[3], float*)) override;
112 
114 
118  void (**doublefunc)(vtkInterpolationWeights*, int, int, int, double*, int)) override;
120  void (**floatfunc)(vtkInterpolationWeights*, int, int, int, float*, int)) override;
122 
124 
125 private:
127  void operator=(const vtkImageInterpolator&) = delete;
128 };
129 
130 #endif
interpolate data values from images
#define VTK_LINEAR_INTERPOLATION
virtual void InternalDeepCopy(vtkAbstractImageInterpolator *obj)=0
Subclass-specific copy.
virtual void InternalUpdate()=0
Subclass-specific updates.
#define VTK_CUBIC_INTERPOLATION
void SetInterpolationModeToNearest()
The interpolation mode for point scalars (default: linear).
a simple class to control print indentation
Definition: vtkIndent.h:33
virtual void PrecomputeWeightsForExtent(const double matrix[16], const int extent[6], int checkExtent[6], vtkInterpolationWeights *&weights)
If the data is going to be sampled on a regular grid, then the interpolation weights can be precomput...
int GetInterpolationMode()
The interpolation mode for point scalars (default: linear).
virtual void GetRowInterpolationFunc(void(**doublefunc)(vtkInterpolationWeights *, int, int, int, double *, int))
Get the row interpolation functions.
virtual void GetInterpolationFunc(void(**doublefunc)(vtkInterpolationInfo *, const double[3], double *))
Get the interpolation functions.
void SetInterpolationModeToLinear()
The interpolation mode for point scalars (default: linear).
virtual bool IsSeparable()=0
True if the interpolation is separable, which means that the weights can be precomputed in order to a...
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void FreePrecomputedWeights(vtkInterpolationWeights *&weights)
Free the weights that were provided by PrecomputeWeightsForExtent.
interpolate data values from images
void SetInterpolationModeToCubic()
The interpolation mode for point scalars (default: linear).
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
#define VTK_NEAREST_INTERPOLATION
virtual void ComputeSupportSize(const double matrix[16], int support[3])=0
Get the support size for use in computing update extents.