The Flip Vertically command reverses the active layer vertically, that is, from top to bottom. It leaves the dimensions of the layer and the pixel information unchanged.
7.45.1. Activating the Command
You can access this command from the image menubar through
Layer → Transform → Flip Vertically.
7.45.2. Example
Figure 16.129. Applying “Flip Layer Vertically”
Before applying the command
The layer after it has been flipped. It looks as if the image has been reflected along the central horizontal axis of the layer.