VTK  9.1.20211115
vtkCameraHandleSource.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCameraHandleSource.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 =========================================================================*/
28 #ifndef vtkCameraHandleSource_h
29 #define vtkCameraHandleSource_h
30 
31 #include "vtkCamera.h" // for vtkCamera
32 #include "vtkHandleSource.h"
33 #include "vtkInteractionWidgetsModule.h" // For export macro
34 
35 class vtkArrowSource;
36 class vtkActor;
37 class vtkAppendPolyData;
38 class vtkSphereSource;
39 class vtkTransform;
40 class vtkTransformFilter;
41 
42 class VTKINTERACTIONWIDGETS_EXPORT vtkCameraHandleSource : public vtkHandleSource
43 {
44 public:
47  void PrintSelf(ostream& os, vtkIndent indent) override;
48 
53  void SetCamera(vtkCamera* cam);
54 
56 
60  void SetPosition(double xPos, double yPos, double zPos) override;
62  double* GetPosition() override;
64 
66 
72  void SetDirection(double xTarget, double yTarget, double zTarget) override;
74  double* GetDirection() override;
76 
78  void operator=(const vtkCameraHandleSource&) = delete;
79 
80 protected:
84 
86 
88 
89 private:
91  vtkNew<vtkArrowSource> UpArrow;
92  vtkNew<vtkArrowSource> FrontArrow;
93  vtkNew<vtkTransform> UpTransform;
94  vtkNew<vtkTransformFilter> UpTransformFilter;
95  vtkNew<vtkTransform> FrontTransform;
96  vtkNew<vtkTransformFilter> FrontTransformFilter;
97  vtkNew<vtkAppendPolyData> ArrowsAppend;
98  vtkNew<vtkSphereSource> PositionSphere;
99 };
100 
101 #endif
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:155
appends one or more polygonal datasets together
Appends a cylinder to a cone to form an arrow.
handle source used to represent one camera.
~vtkCameraHandleSource() override
static vtkCameraHandleSource * New()
void SetCamera(vtkCamera *cam)
Set the camera represented by this handle.
double * GetPosition() override
Set/Get the position of the camera handle.
void SetPosition(double xPos, double yPos, double zPos) override
Set/Get the position of the camera handle.
double * GetDirection() override
Set/Get the direction of the camera handle.
void operator=(const vtkCameraHandleSource &)=delete
void SetDirection(double xTarget, double yTarget, double zTarget) override
Set/Get the direction of the camera handle.
vtkCameraHandleSource(const vtkCameraHandleSource &)=delete
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
a virtual camera for 3D rendering
Definition: vtkCamera.h:155
interface that can be inherited to define handler sources for any kind of interaction.
virtual double * GetPosition()=0
Get the position of the handle.
void SetPosition(const double pos[3])
Set the position of the handle.
void SetDirection(const double dir[3])
Set the direction of the handle.
virtual double * GetDirection()=0
Get the direction of the handle.
a simple class to control print indentation
Definition: vtkIndent.h:113
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
static vtkSmartPointer< T > New()
Create an instance of a VTK object.
create a polygonal sphere centered at the origin
transform points and associated normals and vectors
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:164