Cool! I missed this email. I like the images, and diagrams. Are you planning on ability to edit or create a new world?
Have you thought of doing a Terarria map viewer? (It's similar in a lot of ways, but from the side view its 2d only.) I found a few python interfaces to the map file: - http://www.terrariaonline.com/threads/programmerss-resource-python-interface-for-world-files.33032/ - Details on map file format: http://www.terrariaonline.com/threads/map-format-documentation.16553/#post-232921 - python map generator: https://bitbucket.org/cryzed/terraria-map-generator/src - output image of viewer world: http://www.terrariaonline.com/threads/python-world-viewer-windows-mac-linux.33725/ - pixel-ly panning viewer: http://www.terrariaonline.com/threads/terraria-map-viewer.4226/ -- Jake