This advanced option enables you to draw an area inside the image and select the Z slice to be used in the resulting focused image.
Display the focused image.
Select the Applications > EDF > Edit Area in Focused Image command. The cursor changes.
Draw an area inside the focused image which should be affected. Finish drawing by right-click.
Note
The defined selection can be inverted by pressing G.
Use the mouse wheel or arrow keys to browse Z slices within the selected area.
Finish the procedure by a right-click or Enter.