VTK  9.5.20250718
vtkImplicitSelectionLoop.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
58#ifndef vtkImplicitSelectionLoop_h
59#define vtkImplicitSelectionLoop_h
60
61#include "vtkCommonDataModelModule.h" // For export macro
62#include "vtkImplicitFunction.h"
63
64VTK_ABI_NAMESPACE_BEGIN
65class vtkPoints;
66class vtkPolygon;
67
68class VTKCOMMONDATAMODEL_EXPORT vtkImplicitSelectionLoop : public vtkImplicitFunction
69{
70public:
72
76 void PrintSelf(ostream& os, vtkIndent indent) override;
78
83
85
89 double EvaluateFunction(double x[3]) override;
91
95 void EvaluateGradient(double x[3], double n[3]) override;
96
98
102 virtual void SetLoop(vtkPoints*);
103 vtkGetObjectMacro(Loop, vtkPoints);
105
107
112 vtkSetMacro(AutomaticNormalGeneration, vtkTypeBool);
113 vtkGetMacro(AutomaticNormalGeneration, vtkTypeBool);
114 vtkBooleanMacro(AutomaticNormalGeneration, vtkTypeBool);
116
118
122 vtkSetVector3Macro(Normal, double);
123 vtkGetVectorMacro(Normal, double, 3);
125
130
131protected:
134
136 double Normal[3];
138
139private:
140 void Initialize();
141 vtkPolygon* Polygon;
142
143 double Origin[3];
144 double Bounds[6]; // bounds of the projected polyon
145 double DeltaX;
146 double DeltaY;
147 double DeltaZ;
148
149 vtkTimeStamp InitializationTime;
150
152 void operator=(const vtkImplicitSelectionLoop&) = delete;
153};
154
155VTK_ABI_NAMESPACE_END
156#endif
abstract interface for implicit functions
virtual double EvaluateFunction(double x[3])=0
Evaluate function at position x-y-z and return value.
implicit function for a selection loop
void PrintSelf(ostream &os, vtkIndent indent) override
Standard VTK methods for printing and type information.
vtkMTimeType GetMTime() override
Overload GetMTime() because we depend on the Loop.
void EvaluateGradient(double x[3], double n[3]) override
Evaluate selection loop returning the gradient.
~vtkImplicitSelectionLoop() override
double EvaluateFunction(double x[3]) override
Evaluate selection loop returning a signed distance.
static vtkImplicitSelectionLoop * New()
Instantiate object with no initial loop.
virtual void SetLoop(vtkPoints *)
Set/Get the array of point coordinates defining the loop.
a simple class to control print indentation
Definition vtkIndent.h:108
represent and manipulate 3D points
Definition vtkPoints.h:139
a cell that represents an n-sided polygon
Definition vtkPolygon.h:132
record modification and/or execution time
int vtkTypeBool
Definition vtkABI.h:64
vtkTypeUInt32 vtkMTimeType
Definition vtkType.h:287