You can focus on 2D surfaces: Ellipse, Polygon, Rectangle, Pen.


To focus on 2D surfaces, follow these instructions:

1. Bring your mouse above one image in a display area and click the left button to select the image that you want to focus.
2. Hit the 'F' key or select 'Toggle Annotation Focus' in the context menu (keep your mouse above the selected items, and click on the right mouse button to make the context menu visible).