### 7.35. The “Transparency” Submenu

The Transparency submenu contains commands which use or affect the alpha channel of the active layer. Some of these commands can work with multiple selected layers.

#### 7.35.1. Activating the Submenu

You can access this submenu from the main menu through Layer → Transparency.

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

The Transparency submenu contains the following commands:

- 第 7.36 节 “Add Alpha Channel”

- 第 7.37 节 “Remove Alpha Channel”

- 第 7.38 节 “Color to Alpha”

- 第 7.39 节 “Semi-Flatten”

- 第 7.40 节 “Threshold Alpha”

- 第 7.41 节 “Alpha to Selection”

- 第 7.42 节 “Add Alpha to Selection”

- 第 7.43 节 “Subtract Alpha from Selection”

- 第 7.44 节 “Intersect Alpha with Selection”

7.34. Intersect Masks with Selection |  | 7.36. Add Alpha Channel

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