7.41. 不透明部分を選択範囲に
| 7. 「レイヤー」メニュー |

### 7.41. 不透明部分を選択範囲に

The Alpha to Selection command creates a selection from the combined alpha channels of all selected layers. This selection replaces the 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.

#### 7.41.1. コマンドの呼び出し方

You can access this command

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

- From the Layers Dialog, you can access it through the Alpha to Selection command of its context menu.

#### 7.41.2. 使用例

図16.107 「不透明部分を選択範囲に」を適用

Example image and its layers.

もとからあった矩形の選択範囲の代わりに活性レイヤーの不透明な画素から選択範囲が生成される。

7.40. アルファチャンネルしきい値... |  | 7.42. Add Alpha to Selection

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