El comando voltear verticalmente invierte la capa activa verticalmente, es decir, de arriba a abajo. No cambia las dimensiones de la capa ni la información del píxel.
7.43.1. Activating the Command
You can access this command from the image menubar through
Layer → Transform → Flip Vertically.
7.43.2. Ejemplo
Figura 15.109. Applying “Flip Layer Vertically”
Antes de la aplicación del comando
The layer after it has been flipped. It looks
as if the image has been reflected along the central
horizontal axis of the layer.