Keyboard Shortcuts
Find all available keyboard & mouse shortcuts for webKnossos listed below.
Key Binding | Operation |
CTRL / CMD + Z | Undo |
CTRL / CMD + Y | Redo |
CTRL / CMD + S | Save |
I or ALT + Mousewheel | Zoom In |
O or ALT + Mousewheel | Zoom Out |
P | Select Previous Comment |
N | Select Next Comment |
3 | Toggle Segmentation Opacity |
H | Increase the Move Value |
G | Decrease the Move Value |
Q | Download Screenshot(s) of Viewport(s) |
. | Toggle Viewport Maximization |
Key Binding | Operation |
M | Toggle Mode (Orthogonal, Flight, Oblique) |
1 | Toggle Visibility of all Trees |
2 | Toggle Visibility of Inactive Trees |
SHIFT + Mousewheel | Change Node Radius |
CTRL + SHIFT + F | Open Tree Search (if Tree List is visible) |
F or Mousewheel | Move Forward by a Single Slice |
D or Mousewheel | Move Backward by a Single Slice |
Key Binding | Operation |
Left Mouse Drag or Arrow Keys | Move In-Plane |
Alt + Mouse Move | Move In-Plane |
SPACE | Move Forward |
Scroll Mousewheel (3D View) | Zoom In And Out |
Right Click Drag (3D View) | Rotate 3D View |
Right Click | Create New Node |
C | Create New Tree |
SHIFT + Left Click | Select Node (Mark as Active Node) |
CTRL + . | Navigate to subsequent Node (Mark as Active) |
CTRL + , | Navigate to preceding Node (Mark as Active) |
CTRL + Left Click / CTRL + Arrow Keys | Move the Active Node |
SHIFT + ALT + Left Click | Merge Two Nodes and Combine Trees |
SHIFT + CTRL + Left Click | Delete Edge / Split Trees |
Del | Delete Node / Split Trees |
B | Mark Node as New Branchpoint |
J | Jump To Last Branchpoint |
S | Center Camera on Active Node |
Key Binding | Operation |
Left Mouse Drag or Arrow Keys | Rotation |
SPACE | Move Forward |
CTRL + SPACE | Move Backward |
I, O | Zoom In And Out |
SHIFT + Arrow | Rotation Around Axis |
R | Invert Direction |
B | Mark Node as New Branchpoint |
J | Jump To Last Branchpoint |
S | Center Active Node |
F | Forward Without Recording Waypoints |
D | Backward Without Recording Waypoints |
SHIFT + SPACE | Delete Active Node, Recenter Previous Node |
Key Binding | Operation |
Left Mouse Drag or Arrow Keys | Move (Move Mode) / Add To Current Cell (Trace / Brush Mode) |
SHIFT + Left Click | Select Active Cell |
CTRL + Left Mouse Drag | Add Empty Voxels To Current Cell (in Trace / Brush Mode); i.e., does not overwrite other cells |
Right Mouse Drag | Remove Voxels From Current Cell |
CTRL + Right Mouse Drag | Remove Voxels From Any Cell |
CTRL + SHIFT + Left Click | Add All Voxels of the Current Area To Current Cell (Bucket Paint Tool) |
Alt + Mouse Move | Move |
C | Create New Cell |
W, 1 | Toggle Modes (Move / Trace / Brush) |
SHIFT + Mousewheel or SHIFT + I, O | Change Brush Size (Brush Mode) |
V | Copy Segmentation of Current Cell From Previous Slice |
SHIFT + V | Copy Segmentation of Current Cell From Next Slice |
The following bindings only work if isosurface rendering is activated in the settings and a segmentation exists.
Key Binding | Operation |
Shift + Click on a segment in the orthogonal viewports | Initiate isosurface rendering for that cell |
Shift + Click on a segment in the 3D viewport | Change the active position to the clicked position |
Ctrl + Click on a segment in the 3D viewport | Remove the isosurface of the clicked cell |
The following binding only works in skeleton/hybrid annotations and if an agglomerate file mapping is activated.
Key Binding | Operation |
SHIFT + Middle Click | Import Skeleton for Selected Segment |
