VTK
vtkGaussianKernel.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkGaussianKernel.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 =========================================================================*/
40 #ifndef vtkGaussianKernel_h
41 #define vtkGaussianKernel_h
42 
43 #include "vtkFiltersPointsModule.h" // For export macro
44 #include "vtkGeneralizedKernel.h"
45 
46 class vtkIdList;
47 class vtkDoubleArray;
48 
49 
50 class VTKFILTERSPOINTS_EXPORT vtkGaussianKernel : public vtkGeneralizedKernel
51 {
52 public:
54 
57  static vtkGaussianKernel *New();
59  void PrintSelf(ostream& os, vtkIndent indent) override;
61 
67  vtkPointData *pd) override;
68 
69  // Re-use any superclass signatures that we don't override.
71 
86  vtkIdType ComputeWeights(double x[3], vtkIdList *pIds,
87  vtkDoubleArray *prob, vtkDoubleArray *weights) override;
88 
90 
95  vtkSetClampMacro(Sharpness,double,1,VTK_FLOAT_MAX);
96  vtkGetMacro(Sharpness,double);
98 
99 protected:
101  ~vtkGaussianKernel() override;
102 
103  double Sharpness;
104 
105  // Internal structure to reduce computation
106  double F2;
107 
108 private:
109  vtkGaussianKernel(const vtkGaussianKernel&) = delete;
110  void operator=(const vtkGaussianKernel&) = delete;
111 };
112 
113 #endif
flexible, general interpolation kernels
represent and manipulate point attribute data
Definition: vtkPointData.h:37
abstract class to specify dataset behavior
Definition: vtkDataSet.h:62
int vtkIdType
Definition: vtkType.h:349
dynamic, self-adjusting array of double
#define VTK_FLOAT_MAX
Definition: vtkType.h:169
a simple class to control print indentation
Definition: vtkIndent.h:39
abstract class to quickly locate points in 3-space
list of point or cell ids
Definition: vtkIdList.h:36
virtual vtkIdType ComputeWeights(double x[3], vtkIdList *pIds, vtkDoubleArray *prob, vtkDoubleArray *weights)=0
Given a point x, a list of basis points pIds, and a probability weighting function prob...
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for type and printing.
virtual void Initialize(vtkAbstractPointLocator *loc, vtkDataSet *ds, vtkPointData *pd)
Initialize the kernel.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
a spherical Gaussian interpolation kernel