utymap
Highly customizable library for procedural world generation
...It is designed for interactive world creation at different zoom levels, including globe and street level. The simplest way to explore the project is to check the source code of demo scenes. Import scene shows how to import map data from a file. Please note, that import and rendering logic depends on maps rules which means you cannot use arbitrary mapcss with the arbitrary data format. Elevation scene shows how elevation support works. Please note, as the scene loads multiple tiles at once, mapzen server might reject some of the requests. ...