OpenCV  4.3.0-dev
Open Source Computer Vision
Public Member Functions | List of all members
cv::viz::WCameraPosition Class Reference

This 3D Widget represents camera position in a scene by its axes or viewing frustum. : More...

#include <opencv2/viz/widgets.hpp>

Inheritance diagram for cv::viz::WCameraPosition:
cv::viz::Widget3D cv::viz::Widget

Public Member Functions

 WCameraPosition (double scale=1.0)
 Creates camera coordinate frame at the origin. More...
 
 WCameraPosition (const Matx33d &K, double scale=1.0, const Color &color=Color::white())
 Display the viewing frustum. More...
 
 WCameraPosition (const Vec2d &fov, double scale=1.0, const Color &color=Color::white())
 Display the viewing frustum. More...
 
 WCameraPosition (const Matx33d &K, InputArray image, double scale=1.0, const Color &color=Color::white())
 Display image on the far plane of the viewing frustum. More...
 
 WCameraPosition (const Vec2d &fov, InputArray image, double scale=1.0, const Color &color=Color::white())
 Display image on the far plane of the viewing frustum. More...
 
- Public Member Functions inherited from cv::viz::Widget3D
 Widget3D ()
 
void applyTransform (const Affine3d &transform)
 Transforms internal widget data (i.e. points, normals) using the given transform. More...
 
Affine3d getPose () const
 Returns the current pose of the widget. More...
 
void setColor (const Color &color)
 Sets the color of the widget. More...
 
void setPose (const Affine3d &pose)
 Sets pose of the widget. More...
 
void updatePose (const Affine3d &pose)
 Updates pose of the widget by pre-multiplying its current pose. More...
 
- Public Member Functions inherited from cv::viz::Widget
 Widget ()
 
 Widget (const Widget &other)
 
virtual ~Widget ()
 
template<typename _W >
_W cast () const
 Casts a widget to another. More...
 
template<>
Widget2D cast () const
 Utility exports. More...
 
template<>
Widget3D cast () const
 
template<>
WLine cast () const
 
template<>
WPlane cast () const
 
template<>
WSphere cast () const
 
template<>
WCylinder cast () const
 
template<>
WArrow cast () const
 
template<>
WCircle cast () const
 
template<>
WCone cast () const
 
template<>
WCube cast () const
 
template<>
WCoordinateSystem cast () const
 
template<>
WPolyLine cast () const
 
template<>
WGrid cast () const
 
template<>
WText3D cast () const
 
template<>
WText cast () const
 
template<>
WImageOverlay cast () const
 
template<>
WImage3D cast () const
 
template<>
WCameraPosition cast () const
 
template<>
WTrajectory cast () const
 
template<>
WTrajectoryFrustums cast () const
 
template<>
WTrajectorySpheres cast () const
 
template<>
WCloud cast () const
 
template<>
WPaintedCloud cast () const
 
template<>
WCloudCollection cast () const
 
template<>
WCloudNormals cast () const
 
template<>
WMesh cast () const
 
template<>
WWidgetMerger cast () const
 
double getRenderingProperty (int property) const
 Returns rendering property of the widget. More...
 
Widgetoperator= (const Widget &other)
 
void setRenderingProperty (int property, double value)
 Sets rendering property of the widget. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from cv::viz::Widget
static Widget fromPlyFile (const String &file_name)
 Creates a widget from ply file. More...
 

Detailed Description

This 3D Widget represents camera position in a scene by its axes or viewing frustum. :

Constructor & Destructor Documentation

◆ WCameraPosition() [1/5]

cv::viz::WCameraPosition::WCameraPosition ( double  scale = 1.0)

Creates camera coordinate frame at the origin.

cpw1.png
Camera coordinate frame

◆ WCameraPosition() [2/5]

cv::viz::WCameraPosition::WCameraPosition ( const Matx33d K,
double  scale = 1.0,
const Color color = Color::white() 
)

Display the viewing frustum.

Parameters
KIntrinsic matrix of the camera.
scaleScale of the frustum.
colorColor of the frustum.

Creates viewing frustum of the camera based on its intrinsic matrix K.

cpw2.png
Camera viewing frustum

◆ WCameraPosition() [3/5]

cv::viz::WCameraPosition::WCameraPosition ( const Vec2d fov,
double  scale = 1.0,
const Color color = Color::white() 
)

Display the viewing frustum.

Parameters
fovField of view of the camera (horizontal, vertical).
scaleScale of the frustum.
colorColor of the frustum.

Creates viewing frustum of the camera based on its field of view fov.

cpw2.png
Camera viewing frustum

◆ WCameraPosition() [4/5]

cv::viz::WCameraPosition::WCameraPosition ( const Matx33d K,
InputArray  image,
double  scale = 1.0,
const Color color = Color::white() 
)

Display image on the far plane of the viewing frustum.

Parameters
KIntrinsic matrix of the camera.
imageBGR or Gray-Scale image that is going to be displayed on the far plane of the frustum.
scaleScale of the frustum and image.
colorColor of the frustum.

Creates viewing frustum of the camera based on its intrinsic matrix K, and displays image on the far end plane.

cpw3.png
Camera viewing frustum with image

◆ WCameraPosition() [5/5]

cv::viz::WCameraPosition::WCameraPosition ( const Vec2d fov,
InputArray  image,
double  scale = 1.0,
const Color color = Color::white() 
)

Display image on the far plane of the viewing frustum.

Parameters
fovField of view of the camera (horizontal, vertical).
imageBGR or Gray-Scale image that is going to be displayed on the far plane of the frustum.
scaleScale of the frustum and image.
colorColor of the frustum.

Creates viewing frustum of the camera based on its intrinsic matrix K, and displays image on the far end plane.

cpw3.png
Camera viewing frustum with image

The documentation for this class was generated from the following file: