Creating outline selections

The Outline selection feature allows you to create a new selection based on the outer edges of a previously created selection.

Before and after outline selection created.

The following settings can be adjusted from the vertical slider:

The following can be adjusted from the context toolbar:

Circular—when enabled, the selection edges become increasingly rounded with growing Radius values.
Alignment—determines to origin for the expansion. Select from the pop-up menu.

To create an outline selection:

With a selection in place, from the Selection Menu, select Outline Selection.
Increase the Radius value on the vertical slider to form the outline, then adjust further if needed.
Tap the Apply button to apply.