Neuroglancer has an automated help menu that can be accessed using the “H” key.
This help menu pulls data automatically and is the best place to visit for the most up-to-date keyboard commands that are added to neuroglancer.
However, this automatically generated list may cause some confusion for new users. This blog post will act as a supplementary help menu that will prioritize a user-friendly approach.
Table of Contents
General
Action
Command
Help
H
New blank layer
N
Recolor
L
EM slices in 3D
S
Scale bar
B
Bounding box
V
Axis lines
A
Orthographic projection / 3D scale bar
O
Reset plane orientation
Z
Movement
Zoom
Mouse
CTRL + scroll
Keyboard
CTRL + EQUALS (=) / CTRL + MINUS (-)
Pan
EM
Click + drag
3D
SHIFT + click + drag
Rotate
EM
R (clockwise), E (counterclockwise)
3D
Click + drag
Move through slices
Incremental
Comma (,) and period (.)
Normal
Scroll
Fast
SHIFT + scroll
Move across dataset
Incremental
Arrow keys
Drag plane (EM only)
Click + drag
Recenter
Right-click
Rotate Plane (EM only)
*Not recommended for beginner users*
Incremental
SHIFT + arrow keys
Fast
SHIFT + drag
Reset plane orientation
Z
Segments / Meshes
Add segment
Double click in EM
Remove segment (visual only)
Double click in EM or in 3D
Remove segment (visual and from segment list)
SHIFT + double click in EM or 3D
Clear all segments (visual only)
CTRL + SHIFT + X
Reveal Segment ID
CTRL + right-click on segment
Edit
Merge
M
Split (cut)
C
Find Path
F
Annotations
Add annotation layer
Right-click the plus (+) button next to the existing layers
Place annotation point
CTRL + click
Select next/previous annotation point in the list
Brackets [ ]
Move existing annotation point around
ALT + click + drag
Layers
Show/hide any layer
Click layer
Select any layer
Right-click layer
Show/hide layers 1-9
Keyboard keys 1-9
Select layers 1-9
CTRL + [1-9]
Change layer type
1. Select and change layer type in green bar 2. Copy in layer source in bar
