### 7.42. Add Alpha to Selection

The Add Alpha to Selection command creates a selection from the combined alpha channels of all selected layers and adds that to 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.

#### 7.42.1. Ativando o comando

You can access this command from the main menu through Layer → Transparency → Add Alpha to Selection.

#### 7.42.2. Exemplo

Figura 16.103. Applying “Add Alpha to Selection”

Original image.

Layers of the original image.

Resulting image: Non-transparent pixels of the active layer have been added to the existing selection.

7.41. Alfa para a seleção |  | 7.43. Subtract Alpha from Selection

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