Tool made for the The Codex of Ultima Wisdom for displaying dungeons
Files from Ultima games are not included in this repository. You will need to place *.DNG files, CHARSET.EGA, SHAPES.EGA and WORLD.MAP from PC version of Ultima 4 in the Maps directory.
Also grab https://wiki.ultimacodex.com/images/0/0d/Ultima_4_-_Tiles.png and place it as tiles.png in the Tiles directory.