Manually-filled Maps for Caves / Nether (Line Map)

This map would be filled in either with a drawing menu where you use the mouse, touch, or joystick cursor, or it would be filled like a normal map but it would be a colored line of where the player was, with no info about the landscape or elevation changes.

additional features might include:

• adding dye/glow ink in the crafting menu to change the existing lines or the next lines drawn.
• changing the scale of the line map to draw more fine lines, or to map out a larger area.
• using a cartography table to layer the line map on top of an existing regular map.
• ^ combining maps of different scales (EX: a small scale line map over a large scale regular map)
• placing the line map on an item frame/glow item frame to display the map.

This item would greatly help new players backtrack through the expanded caves and the nether, and it would help experienced players make "subway" maps. It would also open up map art, making it more accessible for new players and more in-depth for experienced players.