The Map submenu contains operations that allow you to map the colors of an image to different colors in several ways.
8.34. szakasz - Rearrange Colormap
8.35. szakasz - Set Colormap
8.36. szakasz - Alien Map
8.37. szakasz - Color Exchange
8.38. szakasz - Rotate Colors
8.39. szakasz - Gradient Map
8.40. szakasz - Palette Map
8.41. szakasz - Sample Colorize
You can access this command from the main menu through Colors → Map.