The Desaturate submenu contains operations that turn an image into a Grayscale representation, using different methods.
Раздел 8.29, „Color to Gray“
Раздел 8.30, „Desaturate“
Раздел 8.24, „Mono Mixer“
Раздел 8.32, „Sepia“
You can access this command from the main menu through Colors → Desaturate.
