7.41. Subtract Alpha from Selection

The Subtract Alpha 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.

7.41.1. Activating the Command

  • You can access this command from the main menu through LayerTransparencySubtract Alpha from Selection.

7.41.2. Example

그림 16.107. Applying Subtract Alpha from Selection

Applying “Subtract Alpha from Selection”
Applying “Subtract Alpha from Selection”

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