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Hotkeys are keyboard shortcuts that allow the user to quickly perform a specific function without having to click or navigate. The list of available hot key options are summarized in the tables below, grouped by location on the interface that the keys affect.

Panel

On this page:

Table of Contents

General

Shortcut / hot keyContextFunction

Ctrl + O

Alt + F, O

File I/OLaunches the Open File dialog for opening a file

Ctrl + S

Alt + F, S

Launches the Save File dialog for saving an image fileCtrl + Alt + RReloads the current open imageCtrl + Shift + Alt + [1-9]Opens the most recent files by the order of the last loaded, starting with 1 as the most recently-loaded fileCtrl + 0DisplayToggles the display of all object sets and their overlaysCtrl + [1-9]

Toggles the display of the object sets by their order of appearance, starting with 1 as the first object set

Ctrl + Shift + [1-9]

Toggles the display of a channel by their order of appearance, starting with 1 as the first channel

Ctrl + Shift + ~Toggles all Channels on/off.Ctrl + ASelectionSelects all objectsCtrl + ERestores last save object selectionCtrl + WSaves object selectionDeleteDeletes selected objectsZZooms to selected objectsAlt + AGUI
Opens the Analysis menuAlt + EOpens the Edit menuAlt + FOpens the File menu

Alt + F4

Alt + F, X

Quits AiviaAlt + HOpens the Help menuAlt + TOpens the Tool menuAlt + VOpens the View menuCtrl + HHides all panels besides the Image viewerCtrl + TCollapses / Expands all panels besides the Image viewer↑ (up arrow key)NavigationMoves the display to the first time point in the image sequence when the timebar is selected↓ (down arrow key)Moves the display to the last time point in the image sequence when the timebar is selected

← (left arrow key)

Ctrl + ,

Moves the display one time point backward in the image sequence

→ (right arrow key)

Ctrl + .

Moves the display one time point forward in the image sequenceF4Recipe applyApplies recipe from beginning on full sequenceF5Pauses / resumes recipe applyF6Applies recipe one time point forwardCtrl + YUndo / redoRedo last actionCtrl + ZUndo last actionCtrl + Shift + LMiscellanyOpens the log file

2D view

Shortcut / hot keyContextFunction

- (minus key)

Ctrl + -

Ctrl + ↑

ZoomZoom out of field of view (FOV)

+ (plus key)

Ctrl + =

Ctrl + ↓

Zoom in to FOV

` (backquote key)

Ctrl + Alt + Shift + F

Sets zoom level to Fit to screen

Ctrl + F

1

Sets zoom level to Best fit

Esc

2

Sets zoom level to 1:1

Ctrl + Alt + ↑

Ctrl + Alt + ↓

Toggles the zoom level dropdown menuRDisplayToggles on the red channel (RGB image only)GToggles on the green channel (RGB image only)BToggles on the blue channel (RGB image only)Ctrl + LToggles the display of Track ID label overlay on image F7AnnotationsToggles the Line annotations toolCtrl + F7Toggles the Angle annotations toolShift + F7Toggles the Freehand region annotations tool

3D view

Shortcut / hot keyContextFunctionWFirst person camera
Zooms in to the sceneSZooms out of the sceneAMoves scene to the leftDMoves scene to the rightQRotates scene clockwiseERotates scene counter-clockwiseShift + ↑Trackball cameraRotates scene from the top downShift + ↓Rotates scene from the bottom upShift + ←Rotates scene to the leftShift + →Rotates scene to the right

Ctrl + ↑

Ctrl + ←

SelectionChanges object selection mode to the option above

Ctrl + ↓

Ctrl + →

Changes object selection mode to the option belowRDisplayResets scene to default view

Outline editor

Shortcut / hot keyContextFunctionAOutline editorCopies all outlines to all time framesCToggles on the Freehand region drawing toolEnterConfirms drawn shapeEscDeletes last drawn shapeFToggles off the current active drawing toolIToggles on the Line drawing toolPToggles on the Polygon drawing toolSCopies selected outlines to all time frames

Track editor

Shortcut / hot keyContextFunctionCtrl + FTrack editorOpens the track ID search bar

Neuron composer

Shortcut / hot keyContextFunctionANeuron composerToggles Add soma toolCToggles Connect neurons toolDToggles Draw dendrite toolFToggles Delete dendrite points toolSToggles Add spine toolEToggles the Predict dendrite toolShift + AConfirms soma creationCtrl + Left ClickTerminates the potential path that is clicked on in Predict dendrite modeHHides the current segment trace while the key is held in Predict dendrite mode

Mesh contour editor

Shortcut / hot keyContextFunctionCMesh contour editor
Completes contour editing and creates objectEToggles Eraser toolFToggles Flood fill toolS Move to next plane down (relative to image origin)WMove to next plane up (relative to image origin)

Pixel classifier

Shortcut / hot keyContextFunctionCtrl + DPixel ClassifierSelects the next classCtrl + PToggles the preview on/off (if it's not off, it becomes off, otherwise it becomes the full preview mode)Ctrl + RCreates a preview region from the current displayCtrl + QUses the next brush modeCtrl + Shift + QUse the previous brush mode.

Hotkeys are keyboard shortcuts that allow you to quickly perform specific functions without having to click or navigate. The available hotkey options are summarized in the tables below, grouped by the location in the interface that the keys affect.

For information on mouse interactions and combined mouse and keyboard interactions, see the Mouse (And Keyboard) Interactions page.

Panel

On this page:

Table of Contents

General

Shortcut/Hotkey	Context	Function
`Ctrl + O`	File I/O	Launches the Open File dialog for opening a file
`Ctrl + S`		Performs an in-place save
`Shift + Ctrl + S`		Launches the Save File dialog for saving an image file
`Ctrl + Alt + R`		Reloads the current image
`Ctrl + Shift + Alt + [1-9]`		Opens the most recent files by the order of the last loaded, starting with 1 as the most recently loaded file
`Ctrl + 0`	Display	Toggles the display of all object sets and their overlays
`Ctrl + [1-9]`		Toggles the display of the object sets by their order of appearance, starting with 1 as the first (1st) object set
`Ctrl + Shift + [1-9]`		Toggles the display of channels by their order of appearance, starting with 1 as the first (1st) channel
`Ctrl + Shift + ~`		Toggles the display of all channels
`Ctrl + A`	Selection	Selects all objects
`Ctrl + E`		Restores the last saved object selection
`Ctrl + W`		Saves object selection
`Delete`		Deletes selected objects
`Z`		Zooms to selected objects
`Alt + A`	GUI	Opens the Analysis menu with underlined letters that can be pressed to select the corresponding options
`Alt + E`		Opens the Edit menu with underlined letters that can be pressed to select the corresponding options; for example, press `Alt + E` and then `A` to perform the Select All Objects action
`Alt + F`		Opens the File menu with underlined letters that can be pressed to select the corresponding options; for example, press `Alt + F`, then `I`, and then `C` to open a window where you can select a classifier for import
`Alt + H`		Opens the Help menu with underlined letters that can be pressed to select the corresponding options; for example, press `Alt + H` and then `A` to open the About window
`Alt + V`		Opens the View menu with underlined letters that can be pressed to select the corresponding options; for example, press `Alt + V` and then `V` to perform the View Action History action
`Alt + F4`		Quits Aivia
`Ctrl + H`		Hides all panels except the Image Panel
`Ctrl + T`		Collapses/Expands all panels except the Image Panel
`↑` (up arrow key)	Navigation	Moves the display to the first time point in the image sequence when the timebar is selected
`↓` (down arrow key)		Moves the display to the last time point in the image sequence when the timebar is selected
`←` (left arrow key) `Ctrl + ,`		Moves the display one time point backward in the image sequence
`→` (right arrow key) `Ctrl + .`		Moves the display one time point forward in the image sequence
`F4`	Recipe apply	Applies the current recipe from the beginning on the full sequence
`F5`		Pauses/Resumes recipe apply
`F6`		Applies the current recipe one time point forward
`Ctrl + Y`	Undo/Redo	Redoes last action
`Ctrl + Z`	Undo/Redo	Undoes last action
`Ctrl + F`	Search bar	Focuses the search bar

Main View (2D)

Shortcut/Hotkey	Context	Function
`-` (minus key) `Ctrl + -` `Ctrl + ↑`	Zoom	Zooms out of field of view (FOV) in steps
`+` (plus key) `Ctrl + =` `Ctrl + ↓`		Zooms in to FOV in steps
` (backquote key) `Ctrl + Alt + Shift + F`		Sets zoom level to Fit To Screen
`1`		Sets zoom level to Best Fit
`Esc` `2`		Sets zoom level to 1:1
`Ctrl + Alt + ↑` `Ctrl + Alt + ↓`		Toggles the zoom level dropdown menu
`R`	Display	Toggles on the red channel (RGB image only)
`G`		Toggles on the green channel (RGB image only)
`B`		Toggles on the blue channel (RGB image only)
`Ctrl + L`		Toggles the display of Track ID label overlays on the image
`Ctrl + Alt + A`	Selection	Selects all objects

3D View

Shortcut/Hotkey	Context	Function
`W`	First Person Camera	Zooms in to the scene
`S`		Zooms out of the scene
`A`		Moves scene to the left
`D`		Moves scene to the right
`Q`		Rotates scene clockwise
`E`		Rotates scene counter-clockwise
`Shift + ↑`	Trackball Camera	Rotates scene from the top down
`Shift + ↓`		Rotates scene from the bottom up
`Shift + ←`		Rotates scene to the left
`Shift + →`		Rotates scene to the right
`Ctrl + ↑` `Ctrl + ←`	Selection	Changes object selection mode to the option above
`Ctrl + ↓` `Ctrl + →`		Changes object selection mode to the option below
`Ctrl + Alt + ↑` `Ctrl + Alt + ↓`		Opens/Closes the object selection mode dropdown
`R`	Display	Resets scene to default view

Clipping & Ortho Planes

Shortcut/Hotkey	Context	Function
`Shift + S`	Ortho plane	Steps to the next plane down (relative to the image origin)
`Shift + W`		Steps to the next plane up (relative to the image origin)
`Alt + S`		Steps to the bottom plane (relative to the image origin)
`Alt + W`		Steps to the top plane (relative to the image origin)

Annotations

Shortcut/Hotkey	Context	Function
`F7`	Annotations	Toggles the Line Tool for annotations
`Ctrl + F7`		Toggles the Angle Tool for annotations
`Shift + F7`		Toggles the Freehand Region Tool for annotations

Outline Editor

Shortcut/Hotkey	Context	Function
`A`	Outline Editor	Copies all outlines to all time frames
`S`		Copies selected outlines to all time frames
`C`		Toggles on the Freehand Region drawing tool
`Enter`		Confirms drawn shape
`Esc`		Deletes last drawn shape
`F`		Toggles off the active drawing tool
`I`		Toggles on the Line drawing tool
`P`		Toggles on the Polygon drawing tool

Track Editor

Shortcut/Hotkey

Context

Function

Ctrl + F

Track Editor

Opens the track ID search bar

Esc

X

Closes the track ID search bar

Neuron Composer

Shortcut/Hotkey	Context	Function
`E`	Neuron Composer	Toggles the Predict Dendrite mode for algorithm-assisted dendrite tracing
`D`		Toggles the Draw Dendrite tool for WYSIWYG dendrite tracing in the 3D volume
`C`		Toggles the Connect Neurons tool for joining dendrite segments
`F`		Toggles the Delete Dendrite Points tool that removes individual dendrite points
`S`		Toggles the Add Spine tool for one-click spine creation
`A`		Toggles the Add Soma tool for one-click soma creation
`M`		Toggles the EM Create tool for point-by-point dendrite tracing
`Shift + A`	Add Soma	Confirms soma creation
`H`	Predict Dendrite	Hides the current trace while the key is held
`B`	Predict Dendrite EM Create	Creates a dendrite from the trace in progress
`Esc`	Predict Dendrite EM Create	Clears the trace in progress
`X`	EM Create	Toggles on Branch From Point mode

Mesh Contour Editor

Shortcut/Hotkey	Context	Function
`~`	Mesh Contour Editor	Toggles whether painting is enabled
`1`		Toggles on the Paint Brush
`2`		Toggles on the Eraser
`3`		Toggles on the Floodfill Brush
`Shift + C`		Completes the mesh
`Ctrl`		Temporarily disables (while pressed) painting, erasing, and floodfilling, which can be useful when changing the image position or camera angle while creating/editing a mesh surface
`Shift`		Temporarily switches (while pressed) to the Paint Brush of Eraser, whichever is not the current mode
`Esc`		Removes all painting data from the current slice
`Delete`		Removes all painting data from all slices
`D`		Toggles the Auto Floodfill option
`F`		Toggles the Auto Step option
`G`		Toggles the Auto Draw option
`H`		Temporarily hides (while pressed) painting data
`Ctrl + J`		Hides/Shows painting data

Tip
The Clipping & Ortho Plane hotkeys are also often useful when you are using the Mesh Contour Editor.

One Click Object Creator

Shortcut/Hotkey	Context	Function
`	One Click Object Creator	Toggles Pick Location
`Shift`		Temporarily disables (while pressed) Pick Location
`Shift + C`		Creates mesh

Pixel Classifier

Shortcut/Hotkey	Context	Function
`Ctrl + D`	Pixel Classifier	Selects the next class
`Ctrl + P`		Toggles the preview on/off
`Ctrl + Q`		Uses the next brush mode
`Ctrl + Shift + Q`		Uses the previous brush mode
`Ctrl`	Paint mode	Switches to erasing while held down
`Ctrl`	Erase mode	Switches to painting while held down
`A`	Auto Draw mode	Goes to the bottom drawing
`S`		Predicts the next drawing down
`D`		Predicts the next drawing up
`F`		Goes to the top drawing
`E`		Clears all drawing
`W`	Magic Wand	Decreases the sensitivity
`R`		Increases the sensitivity
`E`		Paints the selected region

Shortcut/Hotkey	Context	Function
`T` then `T`	Tags	Toggles the Create Tag option
`T` then [# of preset]		Loads the corresponding preset settings into the Tag Creation section; [# of preset] is the number of the preset in the order they are listed in the Preset Menu; supports up to ten (10) presets, with the tenth (10th) having the hotkey `T` then `0`
`T` then `H`		Toggles the visibility of tags in the Image Panel

Versions Compared

Old Version 16

New Version Current

Key

General

2D view

3D view

Outline editor

Track editor

Neuron composer

Mesh contour editor

Pixel classifier

General

Main View (2D)

3D View

Clipping & Ortho Planes

Annotations

Outline Editor

Track Editor

Neuron Composer

Mesh Contour Editor

One Click Object Creator

Pixel Classifier

Tags

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