7.43. Subtract Alpha from Selection

The Subtract Alpha from Selection command creates a selection from the combined alpha channels of all selected layers and subtracts that from the already existing selection.

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.

7.43.1. Aufruf des Befehls

You can access this command

  • From the main menu through LayerTransparencySubtract Alpha from Selection.

7.43.2. Beispiel

Abbildung 16.101. Applying Subtract Alpha from Selection

Applying „Subtract Alpha from Selection“

Example image and its layers.

Applying „Subtract Alpha from Selection“

Nicht-transparente Pixel der aktiven Ebene von Auswahl entfernt.