7.31. The “Transparency” Submenu of the “Layer” menu
| 7. The “Layer” Menu |

### 7.31. The “Transparency” Submenu of the “Layer” menu

图 15.100. The “Transparency” submenu of the “Layer” menu

The Transparency submenu contains commands which use or affect the alpha channel of the active layer.

#### 7.31.1. Activating the Submenu

- You can access this submenu from the image menu bar through Layer → Transparency.

#### 7.31.2. The Contents of the “Transparency” Submenu

The Transparency submenu contains the following commands:

- 第 7.32 节 “Add Alpha Channel”

- 第 7.33 节 “Remove Alpha Channel”

- 第 7.34 节 “Color to Alpha”

- 第 7.35 节 “Semi-flatten”

- 第 7.36 节 “Threshold Alpha”

- 第 7.37 节 “Alpha to Selection”

- 第 7.38 节 “Add Alpha channel to Selection”

- 第 7.39 节 “Subtract from Selection”

- 第 7.40 节 “Intersect Alpha channel with Selection”

7.30. Intersect Layer Mask with Selection |  | 7.32. Add Alpha Channel