VTK  9.0.2
vtkInterpolationKernel.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkInterpolationKernel.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 =========================================================================*/
51 #ifndef vtkInterpolationKernel_h
52 #define vtkInterpolationKernel_h
53 
54 #include "vtkFiltersPointsModule.h" // For export macro
55 #include "vtkObject.h"
56 
58 class vtkIdList;
59 class vtkDoubleArray;
60 class vtkDataSet;
61 class vtkPointData;
62 
63 class VTKFILTERSPOINTS_EXPORT vtkInterpolationKernel : public vtkObject
64 {
65 public:
67 
71  void PrintSelf(ostream& os, vtkIndent indent) override;
73 
84 
86 
92  vtkSetMacro(RequiresInitialization, bool);
93  vtkGetMacro(RequiresInitialization, bool);
94  vtkBooleanMacro(RequiresInitialization, bool);
96 
106  virtual vtkIdType ComputeBasis(double x[3], vtkIdList* pIds, vtkIdType ptId = 0) = 0;
107 
118  virtual vtkIdType ComputeWeights(double x[3], vtkIdList* pIds, vtkDoubleArray* weights) = 0;
119 
120 protected:
123 
128 
129  // Just clear out the data. Can be overloaded by subclasses as necessary.
130  virtual void FreeStructures();
131 
132 private:
134  void operator=(const vtkInterpolationKernel&) = delete;
135 };
136 
137 #endif
abstract class to quickly locate points in 3-space
abstract class to specify dataset behavior
Definition: vtkDataSet.h:57
dynamic, self-adjusting array of double
list of point or cell ids
Definition: vtkIdList.h:31
a simple class to control print indentation
Definition: vtkIndent.h:34
base class for interpolation kernels
vtkAbstractTypeMacro(vtkInterpolationKernel, vtkObject)
Standard method for type and printing.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual vtkIdType ComputeWeights(double x[3], vtkIdList *pIds, vtkDoubleArray *weights)=0
Given a point x, and a list of basis points pIds, compute interpolation weights associated with these...
virtual vtkIdType ComputeBasis(double x[3], vtkIdList *pIds, vtkIdType ptId=0)=0
Given a point x (and optional associated point id), determine the points around x which form an inter...
virtual void Initialize(vtkAbstractPointLocator *loc, vtkDataSet *ds, vtkPointData *pd)
Initialize the kernel.
vtkAbstractPointLocator * Locator
~vtkInterpolationKernel() override
virtual void FreeStructures()
abstract base class for most VTK objects
Definition: vtkObject.h:63
represent and manipulate point attribute data
Definition: vtkPointData.h:32
int vtkIdType
Definition: vtkType.h:338