MBTiles Specification MBTiles is a specification for storing tiled map data in SQLite databases for immediate usage and for transfer. MBTiles files, known as tilesets, must implement the specification below to ensure compatibility with devices. UTFGr
原文链接:http://www.maptiler.org/google-maps-coordinates-tile-bounds-projection/ Addressing tiles: same tile bounds with different indexes Google Maps, Microsoft Virtual Earth, Yahoo Maps, and other commercial API providers as well as OpenStreetMap and O