VTK  9.0.1
vtkImplicitSum.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkImplicitSum.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 =========================================================================*/
26 #ifndef vtkImplicitSum_h
27 #define vtkImplicitSum_h
28 
29 #include "vtkCommonDataModelModule.h" // For export macro
30 #include "vtkImplicitFunction.h"
31 
32 class vtkDoubleArray;
34 
35 class VTKCOMMONDATAMODEL_EXPORT vtkImplicitSum : public vtkImplicitFunction
36 {
37 public:
38  static vtkImplicitSum* New();
39 
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
44 
48  double EvaluateFunction(double x[3]) override;
50 
55  void EvaluateGradient(double x[3], double g[3]) override;
56 
60  vtkMTimeType GetMTime() override;
61 
67 
72  void AddFunction(vtkImplicitFunction* in) { this->AddFunction(in, 1.0); }
73 
78 
83 
85 
92  vtkSetMacro(NormalizeByWeight, vtkTypeBool);
93  vtkGetMacro(NormalizeByWeight, vtkTypeBool);
94  vtkBooleanMacro(NormalizeByWeight, vtkTypeBool);
96 
97 protected:
99  ~vtkImplicitSum() override;
100 
103  double TotalWeight;
104 
107 
108 private:
109  vtkImplicitSum(const vtkImplicitSum&) = delete;
110  void operator=(const vtkImplicitSum&) = delete;
111 };
112 
113 #endif
dynamic, self-adjusting array of double
maintain a list of implicit functions
abstract interface for implicit functions
virtual double EvaluateFunction(double x[3])=0
Evaluate function at position x-y-z and return value.
implicit sum of other implicit functions
void AddFunction(vtkImplicitFunction *in, double weight)
Add another implicit function to the list of functions, along with a weighting factor.
void AddFunction(vtkImplicitFunction *in)
Add another implicit function to the list of functions, weighting it by a factor of 1.
void CalculateTotalWeight(void)
void SetFunctionWeight(vtkImplicitFunction *f, double weight)
Set the weight (coefficient) of the given function to be weight.
void RemoveAllFunctions()
Remove all functions from the list.
double EvaluateFunction(double x[3]) override
Evaluate function at position x-y-z and return value.
vtkMTimeType GetMTime() override
Override modified time retrieval because of object dependencies.
~vtkImplicitSum() override
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkImplicitSum * New()
vtkImplicitFunctionCollection * FunctionList
vtkDoubleArray * Weights
void EvaluateGradient(double x[3], double g[3]) override
Evaluate gradient of the weighted sum of functions.
vtkTypeBool NormalizeByWeight
a simple class to control print indentation
Definition: vtkIndent.h:34
@ weight
Definition: vtkX3D.h:538
int vtkTypeBool
Definition: vtkABI.h:69
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:293