LEVER General Editing Interface
In depth examples of the LEVER general editing interface are published in the LEVER protocol:
Winter et al., Vertebrate neural stem cell segmentation, tracking and lineaging with validation and editing, Nat Protocols, vol. 6, pp. 1942-1952, 2011.
Mouse Controls
| Control |
Description |
| Scroll wheel |
Scrolls through the movie |
| Middle click |
Splits a selected cell into two components or searches for a new detection if no cell selected |
| Click a cell |
Select the cell and update the tree window with the selected cell lineage |
| Ctrl + click |
Select multiple cells for merge or deletion |
Click and drag
onto another cell |
Swaps the label of two cells to fix a tracking error |
Right Click Menu Controls - Cells Window
| Control |
Description |
| Add Mitosis |
Create a new mitotic event with the selected cell as one of the daughters |
| Change Label |
Change the label of the selected cell beginning at the current time |
| Change number of Cells |
Splits the selected cell detection into the specified number of regions |
| Remove Cell (This Frame) |
Delete a single erroneous cell detection |
| Properties |
Display properties about the selected cell |
| Phenotype |
Allows the user to assign a "Phenotype" to the Hull |
Right Click Menu Controls - Lineage Window
| Control |
Description |
| Remove Mitosis |
Remove the selected (erroneously identified) mitotic event |
| Add Mitosis |
Create a new mitotic event with the selected cell as the parent |
| Properties |
Display properties about the selected cell |
Keyboard Commands
| Control |
Description |
| Ctrl + O |
Open a new LEVER data file |
| Ctrl + W |
Close LEVER |
| Ctrl + S |
Saves changes LEVER data file |
| Ctrl + Z |
Undo the last edit |
| Ctrl + Y |
Redo a previously undone edit |
| Ctrl + U |
Lock tree: Prevent automated processing from changing tree structure |
| Ctrl + R |
Freeze tree: Preventing any automated changes to any cell on the tree |
| Ctrl + L |
Show labels: Toggle the display of cell labels |
| Ctrl + P |
Play the movie |
| Ctrl + T |
Go to frame |
| Ctrl + F |
Find cell by label |
| Space |
Play the movie |
| Delete |
Remove the selected cells |
| Enter |
Merges all selected cells into a single component |