A spreadsheet based definition of a Mapnik style sheet and software to convert from that spreadsheet into the Mapnik stylesheet. Based on a reimplementation of http://github.com/gravitystorm/openstreetmap-carto created by Andy Allan and contributors. This is in turn based on original cartography by Steve Chilton and others. The 'symbols' directory contains files copied from (or derived from) those at http://github.com/gravitystorm/openstreetmap-carto which are released under the CC0 Public Domain Dedication, version 1.0, as published by Creative Commons. To the extent possible under law, the author(s) of that software have dedicated all copyright and related and neighboring rights to the public domain worldwide. See The remaining part of this work (all except the 'symbols' directory) is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. See . Andrew M. Bishop December 2013.