VTK  9.0.3
vtkPointPicker.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkPointPicker.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 =========================================================================*/
33 #ifndef vtkPointPicker_h
34 #define vtkPointPicker_h
35 
36 #include "vtkPicker.h"
37 #include "vtkRenderingCoreModule.h" // For export macro
38 
39 class vtkDataSet;
40 
41 class VTKRENDERINGCORE_EXPORT vtkPointPicker : public vtkPicker
42 {
43 public:
44  static vtkPointPicker* New();
45  vtkTypeMacro(vtkPointPicker, vtkPicker);
46  void PrintSelf(ostream& os, vtkIndent indent) override;
47 
49 
52  vtkGetMacro(PointId, vtkIdType);
54 
56 
60  vtkSetMacro(UseCells, vtkTypeBool);
61  vtkGetMacro(UseCells, vtkTypeBool);
62  vtkBooleanMacro(UseCells, vtkTypeBool);
64 
65 protected:
67  ~vtkPointPicker() override {}
68 
69  vtkIdType PointId; // picked point
70  vtkTypeBool UseCells; // Use cell points vs. points directly
71 
72  double IntersectWithLine(const double p1[3], const double p2[3], double tol,
73  vtkAssemblyPath* path, vtkProp3D* p, vtkAbstractMapper3D* m) override;
74  void Initialize() override;
75 
76  vtkIdType IntersectDataSetWithLine(const double p1[3], double ray[3], double rayFactor,
77  double tol, vtkDataSet* dataSet, double& tMin, double minXYZ[3]);
78  bool UpdateClosestPoint(double x[3], const double p1[3], double ray[3], double rayFactor,
79  double tol, double& tMin, double& distMin);
80 
81 private:
82  vtkPointPicker(const vtkPointPicker&) = delete;
83  void operator=(const vtkPointPicker&) = delete;
84 };
85 
86 #endif
abstract class specifies interface to map 3D data
a list of nodes that form an assembly path
abstract class to specify dataset behavior
Definition: vtkDataSet.h:57
a simple class to control print indentation
Definition: vtkIndent.h:34
superclass for 3D geometric pickers (uses ray cast)
Definition: vtkPicker.h:62
select a point by shooting a ray into a graphics window
double IntersectWithLine(const double p1[3], const double p2[3], double tol, vtkAssemblyPath *path, vtkProp3D *p, vtkAbstractMapper3D *m) override
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkPointPicker * New()
vtkTypeBool UseCells
vtkIdType PointId
bool UpdateClosestPoint(double x[3], const double p1[3], double ray[3], double rayFactor, double tol, double &tMin, double &distMin)
~vtkPointPicker() override
vtkIdType IntersectDataSetWithLine(const double p1[3], double ray[3], double rayFactor, double tol, vtkDataSet *dataSet, double &tMin, double minXYZ[3])
void Initialize() override
represents an 3D object for placement in a rendered scene
Definition: vtkProp3D.h:44
int vtkTypeBool
Definition: vtkABI.h:69
int vtkIdType
Definition: vtkType.h:338