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Keyboard Shortcuts and Mouse Actions for Lidar Labeler

Note

On Macintosh platforms, use the Command (⌘) key instead of Ctrl.

Label Definitions

TaskAction
In the ROI Label Definition pane, navigate through ROI labels and their groups Up arrow or down arrow
In the Scene Label Definition pane, navigate through scene labels and their groups Hold Alt and press the up arrow or down arrow
Reorder labels within a group or move labels between groupsClick and drag labels
Reorder groupsClick and drag groups

Frame Navigation and Time Interval Settings

Navigate between frames and change the time interval of the signal. These controls are located in the bottom pane of the app.

TaskAction
Go to the next frameRight arrow
Go to the previous frameLeft arrow
Go to the last frame
  • PC: End

  • Mac: Hold Fn and press the right arrow

Go to the first frame
  • PC: Home

  • Mac: Hold Fn and press the left arrow

Navigate through time interval boxes and frame navigation buttonsTab
Commit time interval settingsPress Enter within the active time interval box (Start Time, Current, or End Time)

Labeling Window

Perform labeling actions, such as adding, moving, and deleting regions of interest (ROIs).

TaskAction
Undo labeling actionCtrl+Z
Redo labeling actionCtrl+Y
Select all cuboid ROIsCtrl+A
Select specific cuboid ROIsHold Ctrl and click the ROIs you want to select
Cut selected cuboid ROIsCtrl+X
Copy selected cuboid ROIs to clipboardCtrl+C

Paste copied cuboid ROIs

Ctrl+V

Switch between selected cuboid ROI labels.

Tab or Shift+Tab
Delete selected Cuboid ROIsDelete

Cuboid Resizing and Moving

Draw cuboids to label lidar point clouds. For examples on how to use these shortcuts to label lidar point clouds efficiently, see Label Lidar Point Clouds for Object Detection (Automated Driving Toolbox).

Note

To enable these shortcuts, you must first click within the point cloud frame to select it.

TaskAction

Resize a cuboid uniformly across all dimensions before applying it to the point cloud

Hold A and move the scroll wheel up to increase size or down to decrease size

Resize a cuboid along only the x-dimension before applying it to the point cloud

Hold X and move the scroll wheel up to increase size or down to decrease size

Resize a cuboid along only the y-dimension before applying it to the point cloud

Hold Y and move the scroll wheel up to increase size or down to decrease size

Resize a cuboid along only the z-dimension before applying it to the point cloud

Hold Z and move the scroll wheel up to increase size or down to decrease size
Resize a cuboid after applying it to the point cloudClick and drag one of the cuboid faces
Move a cuboid

Hold Shift and click and drag one of the cuboid faces

The cuboid is translated along the dimension of the selected face.

Move multiple cuboids simultaneously

Follow these steps:

  1. Hold Ctrl and click the cuboids that you want to move.

  2. Hold Shift and click and drag a face of one of the selected cuboids.

The cuboids are translated along the dimension of the selected face.

Zooming, Panning, and Rotating

TaskAction
Zoom in on or out of a point cloud frame

In the top-left corner of the display, click the Zoom In or Zoom Out button. Then, move the scroll wheel up (zoom in) or down (zoom out). Alternatively, move the cursor up or right (zoom in) or down or left (zoom out).

Zooming in and out is supported in all modes (pan, zoom, and rotate).

Pan across a point cloud frameHold Shift and press the up, down, left, or right arrows

Rotate a point cloud frame

Hold R and click and drag the point cloud frame

Note

Only yaw rotation is allowed.

App Sessions

TaskAction
Save current sessionCtrl+S

See Also

Related Topics