7.40. Subtract from Selection
| 7. The “Layer” Menu |

### 7.40. Subtract from Selection

The Subtract from Selection command creates a selection in the current layer from the Alpha Channel. Opaque pixels are fully selected, transparent pixels are unselected, and translucent pixels are partially selected.This selection is subtracted from the existing selection. The Alpha channel itself is not changed.

#### 7.40.1. Activate the Command

- You can access this command from the image menubar through Layer → Transparency → Subtract from Selection.

#### 7.40.2. Example

Figure 16.105. Applying “Subtract from Selection”

Non-transparent pixels of the active layer have been subtracted from the existing rectangular selection.

7.39. Add Alpha channel to Selection |  | 7.41. Intersect Alpha channel with Selection

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