7.42. Add Alpha to Selection
| 7. 「レイヤー」メニュー |

### 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. コマンドの呼び出し方

You can access this command

- From the main menu through Layer → Transparency → Add Alpha to Selection.

#### 7.42.2. 使用例

図16.108 Applying 「Add Alpha to Selection」

Example image and its layers.

もとからあった矩形の選択範囲に、 活性レイヤーの不透明な画素から生成された選択範囲が加わる。

7.41. 不透明部分を選択範囲に |  | 7.43. Subtract Alpha from Selection

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