Viewer

2D Navigation

Action Shortcut/gesture
Pan Alt + left drag
Zoom Alt + right drag, or mouse wheel
Centre image at 1:1 scale Home
Toggle red channel R
Toggle green channel G
Toggle blue channel B
Toggle alpha channel A

3D Navigation

Action Shortcut/gesture
Tumble Alt + left drag
Track Alt + middle drag
Dolly Alt + right drag, or mouse wheel
Expand selection Down arrow
Fully expand selection Shift + down arrow
Collapse selection Up arrow