7.44. Intersect Alpha with Selection

7.44. Intersect Alpha with Selection
	7. The “Layer” Menu

The Intersect Alpha with Selection command creates a selection from the combined alpha channels of all selected layers, which is intersected with the already existing selection. Only common parts of both selections are kept.

Opaque areas are fully selected, transparent areas are unselected, and translucent areas are partially selected. The alpha channels of the selected layers are not changed.

7.44.1. Activating the Command

You can access this command

From the main menu through Layer → Transparency → Intersect Alpha with Selection,

7.44.2. Example

图 16.102. Applying “Intersect Alpha with Selection”

Example image and its layers.

Non-transparent pixels of the active layer have been intersected with the existing rectangular selection.


7.43. Subtract Alpha from Selection		7.45. The “Transform” Submenu