7.30. Subtract Layer Mask from Selection
| 7. The “Layer” Menu |

### 7.30. Subtract Layer Mask from Selection

The Subtract from Selection command converts the layer mask of the active layer into a selection, which is subtracted from the selection that is already active in the image. White areas of the layer mask are selected, black areas are not selected, and gray areas are converted into feathered selections. The layer mask itself is not modified by this command.

#### 7.30.1. Activating the Command

- You can access this command from the image menubar through Layer → Mask → Subtract from Selection,

#### 7.30.2. Illustration of Subtract Layer Mask from Selection

图 16.113. Illustration of Subtract Layer Mask from Selection

On the left, the original image with a selection. In the middle, the Layers Dialog with a layer mask created with the “Layer's alpha channel” option. On the right, the result after applying “Mask to Selection”: the selection of the non-transparent pixels of the active layer is subtracted from the initial selection.

7.29. Add Layer Mask to Selection |  | 7.31. Intersect Layer Mask with Selection

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