Mode:
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Annotation:
| Extreme points box mode: |
Click four times to draw a box. (Use the extreme clicking technique: leftmost, topmost, rightmost, bottommost) |
| Two-point box mode: |
Two clicks to define the corners of the bounding box. |
| Point mode: |
Single click to define a point |
| Per-frame mode: |
Single click anywhere to mark/unmark the frame. (spacebar also works) |
Press 'ESC' to abort current box.
Selection:
Hover over boxes/points to select them. Press DEL to delete the selected item. (Selection picks the smallest area box containing the cursor.)
Zooming:
Hold 'z' and draw a two-point box to zoom the view to that box.
Press 'r' to reset zoom state (zoom all the way out)
Image Stack Navigation:
Left/right arrow keys move from frame to frame in the current batch of frames.