VTK  9.3.20240417
vtkImplicitPolyDataDistance.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
70 #ifndef vtkImplicitPolyDataDistance_h
71 #define vtkImplicitPolyDataDistance_h
72 
73 #include "vtkFiltersCoreModule.h" // For export macro
74 #include "vtkGenericCell.h" // For thread local storage
75 #include "vtkImplicitFunction.h"
76 #include "vtkSMPThreadLocalObject.h" // For thread local storage
77 
78 VTK_ABI_NAMESPACE_BEGIN
79 class vtkCellLocator;
80 class vtkPolyData;
81 
82 class VTKFILTERSCORE_EXPORT vtkImplicitPolyDataDistance : public vtkImplicitFunction
83 {
84 public:
87  void PrintSelf(ostream& os, vtkIndent indent) override;
88 
92  vtkMTimeType GetMTime() override;
93 
98  double EvaluateFunction(double x[3]) override;
99 
103  void EvaluateGradient(double x[3], double g[3]) override;
104 
109  double EvaluateFunctionAndGetClosestPoint(double x[3], double closestPoint[3]);
110 
117  void SetInput(vtkPolyData* input);
118 
120 
124  vtkSetMacro(NoValue, double);
125  vtkGetMacro(NoValue, double);
127 
129 
133  vtkSetVector3Macro(NoGradient, double);
134  vtkGetVector3Macro(NoGradient, double);
136 
138 
142  vtkSetVector3Macro(NoClosestPoint, double);
143  vtkGetVector3Macro(NoClosestPoint, double);
145 
147 
150  vtkGetMacro(Tolerance, double);
151  vtkSetMacro(Tolerance, double);
153 
154 protected:
157 
162 
163  double SharedEvaluate(double x[3], double g[3], double closestPoint[3]);
164 
165  double NoGradient[3];
166  double NoClosestPoint[3];
167  double NoValue;
168  double Tolerance;
169 
174 
175 private:
177  void operator=(const vtkImplicitPolyDataDistance&) = delete;
178 };
179 
180 VTK_ABI_NAMESPACE_END
181 #endif
octree-based spatial search object to quickly locate cells
abstract interface for implicit functions
virtual double EvaluateFunction(double x[3])=0
Evaluate function at position x-y-z and return value.
Implicit function that computes the distance from a point x to the nearest point p on an input vtkPol...
vtkMTimeType GetMTime() override
Return the MTime also considering the Input dependency.
void SetInput(vtkPolyData *input)
Set the input vtkPolyData used for the implicit function evaluation.
double EvaluateFunctionAndGetClosestPoint(double x[3], double closestPoint[3])
Evaluate plane equation of nearest triangle to point x[3] and provides closest point on an input vtkP...
double SharedEvaluate(double x[3], double g[3], double closestPoint[3])
vtkSMPThreadLocalObject< vtkGenericCell > TLCell
void CreateDefaultLocator()
Create default locator.
void EvaluateGradient(double x[3], double g[3]) override
Evaluate function gradient of nearest triangle to point x[3].
static vtkImplicitPolyDataDistance * New()
~vtkImplicitPolyDataDistance() override
vtkSMPThreadLocalObject< vtkIdList > TLCellIds
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
double EvaluateFunction(double x[3]) override
Evaluate function at position x-y-z and return value.
a simple class to control print indentation
Definition: vtkIndent.h:108
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:181
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:270