Key & mouse shortcuts
List of key and mouse shortcuts;
A brief demonstration is available in the following video:
https://youtu.be/qrLyrP9f018
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Contents
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General notes -
Combination of mouse and keys -
Interaction with ROIs -
Keyboard shortcuts
General notes
Please note, the following list refers to the default settings, i.e. when the left mouse button is used for drawing and selection, while the right mouse button for panning the image left/right and up/down. The buttons may be swapped using the Preference dialog or by pressing the Swap left and right mouse buttons on the toolbar.
The default behaviour of the mouse wheel is to change the slices and the Q, W keyboard keys to zoom in/zoom out; this may be swapped using the mouse key in the toolbar or using the Preferences dialog.
The key shortcuts can be customized in the File->Preferences->Shortcuts dialog.
Combination of mouse and keys
| move cursor | to dispay intensity information and cursor coordinates;
shown in the Path Panel |
| mouse wheel | change slices or zoom in/zoom out, depening on settings in the Preferences dialog |
| ⇧ Shift+mouse wheel | jump to 10 slices up/down,
number of slices can be defined from a popup menu that appears during the  right mouse click above the slices slider in the
Image View Panel |
| Alt+mouse wheel | change time point for the 5D datasets |
| Alt+⇧ Shift+mouse wheel | jump to 10 time points,
number of time points can be defined from a popup menu that appears during the right mouse click above the slices slider in the
Image View Panel |
 left mouse click |
select pixels in the image based on specified method specified in the Segmentation Panel |
| right mouse click+drag
Alt+⇧ Shift+ right mouse click+drag
|
turns on the pan mode to move the image left/right and up/down |
| ⇧ Shift+ left mouse click |
add selection to the existing selection |
| ^ Ctrl+left-click | remove selection to the existing selection, eraser |
| ^ Ctrl+mouse wheel
[ and ] ⇧ Shift + [ and ] |
change size of the brush and other selection tools |
| ^ Ctrl+⇧ Shift+mouse wheel | change size of the brush and other selection tools in bigger increments |
Interaction with ROIs
To interact with ROIs (for example to change its size or position) please use right mouse click over the ROI name in the ROI List of the ROI Panel to start a popup menu. Choose Edit to modify the selected ROI.
When the Edit mode is enabled the following actions are available:
- left click+drag to change position of the selected ROI
- right mouse click on a vertex of the selected ROI to delete it
- hold A+left click on an edge of the selected ROI to add a new vertex
- double click to accept changes
Keyboard shortcuts
| ←, →
Alt+Q / Alt+W |
change time points to the next or previous one
enabled when the Mouse wheel in the zoom mode (check the Preferences) |
| ↑, ↓ | change slice (in Z) to the next or previous one |
| Q | zoom out or change to the previous slice (depending on choosen settings in the Preferences) |
| W | zoom in or change to the next slice (depending on choosen settings in the Preferences) |
| space | toggle the visibility of the Model layer |
| ^ Ctrl+space | toggle the visibility of the Mask layer |
| ⇧ Shift+space | toggle the state of the [✓] Fix selection to material checkbox in the Segmentation Panel |
| A | add Selection (for the shown slice only) to the selected material of the model or to the Mask layer
(depending on selected entry in the Add to list of the Segmentation Panel |
| ⇧ Shift+A | add Selection (for all slices of the dataset) to the selected material of the model or to the Mask layer
(depending on selected entry in the Add to list of the Segmentation Panel |
| ⇧ Shift+Alt+A | add Selection (for all slices and all time points of the dataset) to the selected material of the model or to the Mask layer
(depending on selected entry in the Add to list of the Segmentation Panel |
| ^ Ctrl+A | if Mask is shown, select the Mask layer for the current slice;
if Mask is not shown select the selected (in the Select from list, Segmentation Panel) material of the model |
| Alt+A | if Mask is shown, select the Mask layer for all slices;
if Mask is not shown select the selected (in the Select from list, Segmentation Panel) material of the model |
| S | subtract Selection (for the shown slice only) from the selected material of the model or from the Mask layer
(depending on selected entry in the Add to list of the Segmentation Panel |
| ⇧ Shift+S | subtract Selection (for all slices of the dataset) from the selected material of the model or from the Mask layer
(depending on selected entry in the Add to list of the Segmentation Panel |
| ⇧ Shift+Alt+S | subtract Selection (for all slices and all time points of the dataset) from the selected material of the model or from the Mask layer
(depending on selected entry in the Add to list of the Segmentation Panel |
| R | replace (for the shown slice only) the selected material of the model or the Mask layer with the Selection |
| ⇧ Shift+R | replace (for all slices) the selected material of the model or the Mask layer with the Selection |
| ⇧ Shift+Alt+R | replace (for all slices and all time points) the selected material of the model or the Mask layer with the Selection |
| C | clear (for the shown slice only) the Selection layer |
| ⇧ Shift+C | clear (for all slices) the Selection layer |
| ⇧ Shift+Alt+C | clear (for all slices and all time points) the Selection layer |
| F | fill holes (for the shown slice only) in the Selection layer |
| ⇧ Shift+F | fill holes (for all slices) in the Selection layer |
| ⇧ Shift+Alt+F | fill holes (for all slices and all time points) in the Selection layer |
| ^ Ctrl+F | find index of material under the cursor and select it in the Segmentation table |
| Z | erode (shrink) (for the shown slice only) the Selection layer
when the 3D check box of the Selection panel is enabled erode in 3D space |
| ⇧ Shift+Z | erode (shrink) (for all slices) the Selection layer in 2D |
| ⇧ Shift+Alt+Z | erode (shrink) (for all slices and all time points) the Selection layer in 2D |
| X | dilate (expand) (for the shown slice only) the Selection layer
when the 3D check box of the Selection panel is enabled dilate in 3D space |
| ⇧ Shift+X | dilate (expand) (for all slices) the Selection layer in 2D |
| ⇧ Shift+Alt+X | dilate (expand) (for all slices and all time points) the Selection layer in 2D |
| [ and ]
⇧ Shift + [ and ] |
change size of the brush and other selection tools in bigger increments. This also can be done using ^ Ctrl+⇧ Shift+mouse wheel |
| D | swap between the preferable fast-access selection tools, see more in the 6. The [✓] "D" checkbox, to select fast access tools |
| E | toggle between two recently selected materials |
| ^ Ctrl+E | toggle between current and previously selected image buffer |
| ^ Ctrl+Z | undo the last action
To get further in the undo history use the Undo button in the toolbar Undo is not implemented for actiond with 4D datasets |
| ^ Ctrl+C | copy the current |Selection| layer to buffer |
| ^ Ctrl+V | paste the stored |Selection| buffer to the shown slice |
| ^ Ctrl+⇧ Shift+V | paste the stored |Selection| buffer to all slices |
| Alt+1 | switch the view to the XY plane using the image coordinates under the mouse cursor |
| Alt+2 | switch the view to the YZ plane using the image coordinates under the mouse cursor |
| Alt+3 | switch the view to the XZ plane using the image coordinates under the mouse cursor |
| F2 | rename selected in the Segmentation table material |
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